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You searched for: Publication Year 2005 Remove constraint Publication Year: 2005 Subject chemical constituents of plants Remove constraint Subject: chemical constituents of plants
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1. 13C and 15N natural abundances of urban soils and herbaceous vegetation in Karlsruhe, Germany

Author:
Norra, S.; Handley, L.L.; Berner, Z.; Stuben, D.
Source:
European journal of soil science 2005 v.56 no.5 pp. 607-620
ISSN:
1351-0754
Subject:
urban soils; vegetation; carbon; nitrogen; stable isotopes; soil chemistry; chemical constituents of plants; agricultural soils; Zea mays; corn; air pollution; atmospheric deposition; Germany
DOI:
10.1111/j.1365-2389.2005.00701.x

2. 2126 low linolenic flax

Author:
Dribnenki, J.C.P.; McEachern, S.F.; Chen, Y.; Green, A.G.; Rashid, K.Y.
Source:
Canadian journal of plant science 2005 v.85 no.1 pp. 155-157
ISSN:
0008-4220
Subject:
Linum usitatissimum; cultivars; germplasm releases; agronomic traits; seeds; chemical constituents of plants; plant fats and oils; linolenic acid; quantitative analysis; Canada
DOI:
10.4141/P04-051

3. L- 3-(3,4-dihydroxyphenyl)alanine (L-DOPA), an allelochemical exuded from velvetbean (Mucuna pruriens) roots

Author:
Nishihara, E.; Parvez, M.M.; Araya, H.; Kawashima, S.; Fujii, Y.
Source:
Plant growth regulation 2005 v.45 no.2 pp. 113-120
ISSN:
0167-6903
Subject:
Mucuna pruriens; root exudates; chemical constituents of plants; L-dopa; quantitative analysis; allelochemicals; bioassays; Lactuca sativa; lettuce; plant growth; growth retardation; cultivars; genetic variation; United States; Brazil; Taiwan; Thailand; Nepal
Abstract:
... We investigated whether or not lettuce growth was inhibited by diffused L-3-(3,4-dihydroxyphenyl)alanine (L-DOPA), an allelochemical exuded from the roots of velvetbean (Mucuna pruriens (L.) DC. var. utilis) cultivars using a modified plant-box bioassay. For all the cultivars and one accession examined L-DOPA diffused from the roots and caused radicle and hypocotyl growth inhibition. A high correl ...

4. Absence of free-cylindrospermopsin bioconcentration in water thyme (Hydrilla verticillata)

Author:
White, S.H.; Duivenvoorden, L.J.; Fabbro, L.D.
Source:
Bulletin of environmental contamination and toxicology 2005 v.75 no.3 pp. 574-583
ISSN:
0007-4861
Subject:
cyanobacterial toxins; phytotoxins; Cyanobacteria; submerged aquatic plants; bioaccumulation; chemical constituents of plants
DOI:
10.1007/s00128-005-0790-0
PubMed:
16385965

5. Acacia karroo responses to early dormant season defoliation and debarking by goats in a semi-arid subtropical savanna

Author:
Scogings, P.; Macanda, M.
Source:
Plant ecology 2005 v.179 no.2 pp. 193-206
ISSN:
1385-0237
Subject:
goats; spring; Acacia karroo; defoliation; dormancy; bark; savannas; subtropics; semiarid zones; plant response; plant stress; shoots; stem elongation; seed productivity; neutral detergent fiber; nitrogen content; chemical constituents of plants; proanthocyanidins; plant spines; tree growth; tree damage; leaves; tree classes; phloem; herbivores

6. Accumulation and fractionation of rare earth elements (REEs) in wheat: controlled by phosphate precipitation, cell wall absorption and solution complexation

Author:
Ding, ShiMing; Liang, Tao; Zhang, ChaoSheng; Yan, JunCai; Zhang, ZiLi
Source:
Journal of experimental botany 2005 v.56 no.420 pp. 2765-2775
ISSN:
0022-0957
Subject:
inflorescences; stems; cell walls; wheat; translocation (plant physiology); Triticum aestivum; rare earth elements; phosphates; uptake mechanisms; chemical constituents of plants; xylem; molecular weight; roots; leaves
Abstract:
... Previous studies on rare earth element (REE) bioaccumulation have focused on their accumulation rate and fractionation, but the processes involved remain unclear. In this study, the accumulation and fractionation of REEs in wheat (Triticum aestivum L.) were investigated using solution culture with exogenous mixed REEs. A decrease in REE contents was observed from the roots to the tops of wheat. Si ...
DOI:
10.1093/jxb/eri270
PubMed:
16131504

7. Accumulation of Shikimate in Corn and Soybean Exposed to Various Rates of Glyphosate

Author:
W. Brien Henry; Clifford H. Koger; Dale L. Shaner
Source:
Crop management 2005 v.4 no.1 pp. 0
ISSN:
1543-7833
Subject:
Glycine max; soybeans; Zea mays; corn; leaves; glyphosate; pesticide application; shikimic acid; chemical constituents of plants; spectrophotometers; biomarkers; indicator species; phytotoxicity
Abstract:
... Glyphosate is used extensively throughout the world as a burndown and in-crop herbicide. A spectrophotometric assay was evaluated as an inexpensive and rapid procedure to measure shikimate accumulation in conventional corn and soybean following glyphosate application. Shikimate levels peaked between 4 and 7 days after application in both corn and soybean. It is useful to understand the behavior of ...
Handle:
10113/11888
DOI:
10.1094/CM-2005-1123-01-RS

8. Activity of hydroxamic acids from Secale cereale against the plant-parasitic nematodes Meloidogyne incognita and Xiphinema americanum

Author:
Zasada, I.A.; Meyer, S.L.F.; Halbrendt, J.M.; Rice, C.
Source:
Phytopathology 2005 v.95 no.10 pp. 1116-1121
ISSN:
0031-949X
Subject:
Meloidogyne incognita; plant parasitic nematodes; nematode control; plant extracts; Secale cereale; chemical constituents of plants; hydroxamic acids; toxic substances; dose response; Maryland
Abstract:
... Cyclic hydroxamic acids are secondary metabolites found in the family Poaceae and have been implicated in the allelopathy of rye (Secale cereale). The toxicity of these compounds against plant-parasitic nematodes is unknown. DIBOA (2,4-dihydroxy-(2H)-1,4-benzoxazin-3(4H)- one), DIMBOA (2,4-hydroxy-7-methoxy-(2H)-1,4-benzoxazin-3(4H)- one), and their degradation products BOA (benzoxazolin-2(3H)-one ...
Handle:
10113/2232
DOI:
10.1094/PHYTO-95-1116
PubMed:
18943462

9. Aftermath of the long-term application of sludge and water from a sewage treatment plant to an olive tree (Olea europaea L.) plantation

Author:
Menti, J.; Roulia, M.; Stamatiadis, S.; Christodoulakis, N.S.
Source:
Bulletin of environmental contamination and toxicology 2005 v.75 no.1 pp. 57-66
ISSN:
0007-4861
Subject:
soil pollution; agricultural soils; sewage sludge; wastewater; soil amendments; soil chemical properties; heavy metals; bioaccumulation; chemical constituents of plants; olives; waste disposal; Greece
DOI:
10.1007/s00128-005-0718-8
PubMed:
16228873

10. Allelopathic effects of juglone and walnut leaf extracts on growth, fruit yield and plant tissue composition in strawberry cvs. 'Camarosa' and 'Sweet Charlie'

Author:
Ercisli, S.; Turkkal, C.
Source:
Journal of horticultural science & biotechnology 2005 v.80 no.1 pp. 39-42
ISSN:
1462-0316
Subject:
plant growth; strawberries; cultivars; intercropping; Juglans regia; chemical constituents of plants; Fragaria ananassa; genetic variation; plant extracts; allelopathy; crop yield; plant competition; walnuts; juglone; leaves; Turkey (country)

11. Allelopathic studies of common wheat (Triticum aestivum L.)

Author:
Ma, Y.
Source:
Weed biology and management 2005 v.5 no.3 pp. 93-104
ISSN:
1444-6162
Subject:
crops; weeds; weed control; allelopathy; Triticum aestivum; roots; chemical constituents of plants; allelochemicals; quantitative analysis; chemical structure
DOI:
10.1111/j.1445-6664.2005.00164.x

12. Alterations in the production and concentration of selected alkaloids as a function of rising atmospheric carbon dioxide and air temperature: implications for ethno-pharmacology

Author:
Ziska, L.H.; Emche, S.D.; Johnson, E.L.; George, K.; Reed, D.R.; Sicher, R.C.
Source:
Global change biology 2005 v.11 no.10 pp. 1798-1807
ISSN:
1354-1013
Subject:
carbon dioxide; biosynthesis; Datura stramonium; nicotine; scopolamine; air temperature; elevated atmospheric gases; global warming; Nicotiana tabacum; atropine; chemical constituents of plants; drug crops
Abstract:
... The influence of recent and projected changes in atmospheric carbon dioxide concentration [CO2] with and without concurrent increases in air temperature was determined with respect to growth characteristics and production of secondary compounds (alkaloids) in tobacco (Nicotiana tabacum L.) and jimson weed (Datura stramonium L.) over a ca. 50-day period. Rising [CO2] above that present at the begin ...
Handle:
10113/17229
DOI:
10.1111/j.1365-2486.2005.001029.x

13. Altering growth and maturation of Actinidia chinensis 'Hort16A' fruit by heating individual berries

Author:
Snelgar, W.P.; Minchin, P.E.H.; Blattmann, P.
Source:
Journal of horticultural science & biotechnology 2005 v.80 no.6 pp. 779-785
ISSN:
1462-0316
Subject:
plant growth; plant development; dry matter content; total soluble solids; developmental stages; chemical constituents of plants; temperature; kiwifruit; Actinidia chinensis; New Zealand

14. Aluminum effect on organic acid production and accumulation in sorghum

Author:
Carvalho Goncalves, J.F. de.; Cambraia, J.; Mosquim, P.R.; Araujo, E.F.
Source:
Journal of plant nutrition 2005 v.28 no.3 pp. 507-520
ISSN:
0190-4167
Subject:
cultivars; plant stress; hydro-lyases; malate dehydrogenase; seedlings; aconitic acid; grain sorghum; metabolic detoxification; aluminum; malic acid; Sorghum bicolor; chemical constituents of plants; enzyme activity; roots; leaves; stress tolerance
Abstract:
... Seedlings of two cultivars of sorghum (Sorghum bicolor) differing in aluminum (Al) tolerance grown in a pH 4.0 Clark's nutrient solution were exposed to Al at concentrations of 0 and 185 micromolar for 7 days. The organic acid concentrations in the roots and leaves and in the external solution were determined, as well as the activities of the enzymes related to the biosynthesis and degradation of ...
DOI:
10.1081/PLN-200049202

15. Aluminum-induced decrease in CO2 assimilation in citrus seedlings is unaccompanied by decreased activities of key enzymes involved in CO2 assimilation

Author:
Chen, L.S.; Qi, Y.P.; Smith, B.R.; Liu, X.H.
Source:
Tree physiology 2005 v.25 no.3 pp. 317-324
ISSN:
0829-318X
Subject:
Citrus reshni; mandarins; seedlings; leaves; aluminum; phytotoxicity; stress tolerance; photosynthesis; net assimilation rate; adenosine diphosphate; glucose; phosphorylase; ribulose-bisphosphate carboxylase; sucrose-phosphate synthase; enzyme activity; chemical constituents of plants; chlorophyll; quantitative analysis; protein content
Abstract:
... 'Cleopatra' tangerine (Citrus reshni Hort. ex Tanaka) seedlings were irrigated daily for 8 weeks with 1/4 strength Hoagland's nutrient solution containing 0 (control) or 2 mM aluminum (Al). Leaves from Al-treated plants had decreased CO2 assimilation and stomatal conductance, but increased intercellular CO2 concentrations compared with control leaves. On a leaf area basis, 2 mM Al increased activi ...
DOI:
10.1093/treephys/25.3.317
PubMed:
15631980

16. Ameliorative effects of CaCl2 on growth, ionic relations, and proline content of senna under salinity stress

Author:
Arshi, A.; Abdin, M.Z.; Iqbal, M.
Source:
Journal of plant nutrition 2005 v.28 no.1 pp. 101-125
ISSN:
0190-4167
Subject:
calcium chloride; plant growth; application timing; salinity; proline; cations; ion transport; crop yield; leaves; sodium chloride; potassium; Senna alexandrina; chemical constituents of plants; sodium; dry matter partitioning; roots; salt stress; shoots
Abstract:
... The effect of NaCl and CaCl2 on growth parameters, ionic relations, and proline level in senna (Cassia angustifolia) plant was investigated in a pot culture experiment using NaCl (80 mM and 160 mM), CaCl2 (5 mM and 10 mM), and the combined salt of NaCl + CaCl2 (80 mM + 10 mM and 160 mM + 10 mM). These treatments were given to the growing plant separately at pre-flowering (A1), flowering (A2) and p ...
DOI:
10.1081/PLN-200042185

17. Analysis of macamides in samples of Maca (Lepidium meyenii) by HPLC-UV-MS/MS

Author:
McCollom, M.M.; Villinski, J.R.; McPhail, K.L.; Craker, L.E.; Gafner, S.
Source:
Phytochemical analysis 2005 v.16 no.6 pp. 463-469
ISSN:
0958-0344
Subject:
ultraviolet-visible spectroscopy; chemical analysis; plant extracts; high performance liquid chromatography; Lepidium meyenii; secondary metabolites; spectral analysis; chemical constituents of plants; mass spectrometry; chemical structure; Peru
Abstract:
... The macamides are a distinct class of secondary metabolites that have so far been found only in Lepidium meyenii Walp. (Maca). Using HPLC-UV-MS/MS, the main macamides have been identified as n-benzylhexadecanamide, n-benzyl-(9Z)-octadecenamide, n-benzyl-(9Z, 12Z)-octadecadienamide, n-benzyl-(9Z, 12Z, 15Z)-octadecatrienamide and n-benzyloctadecanamide. The identities of n-benzyl-(9Z)-octadecenamide ...
DOI:
10.1002/pca.871
PubMed:
16315492

18. Analysis of residues of imidacloprid in tobacco by high-performance liquid chromatography with liquid-liquid partition cleanup

Author:
Liu, H.; Song, J.; Zhang, S.; Qu, L.; Zhao, Y.; Wu, Y.
Source:
Pest management science 2005 v.61 no.5 pp. 511-514
ISSN:
1526-498X
Subject:
Nicotiana tabacum; tobacco; leaves; chemical constituents of plants; imidacloprid; quantitative analysis; insecticide residues; high performance liquid chromatography
Abstract:
... A practical method for analysis of residues of imidacloprid in baked tobacco leaves has been developed using HPLC with liquid-liquid partition clean-up. Imidacloprid was extracted with ethyl acetate under ultrasound, and cleaned up by liquid-liquid partition with 50 g litre(-1) aqueous sodium chloride followed by dichloromethane. The water-soluble and fat-soluble components in tobacco, which inter ...
DOI:
10.1002/ps.987
PubMed:
15816009

19. Antennal electrophysiological responses of three parasitic wasps to caterpillar-induced volatiles from maize (Zea mays mays), cotton (Gossypium herbaceum), and cowpea (Vigna unguiculata)

Author:
Gouinguene, S.; Pickett, J.A.; Wadhams, L.J.; Birkett, M.A.; Turlings, T.C.J.
Source:
Journal of chemical ecology 2005 v.31 no.5 pp. 1023-1038
ISSN:
0098-0331
Subject:
parasitoids; plant-insect relations; chemical constituents of plants; volatile compounds; induced resistance; electrophysiology; host plants; insect control
Abstract:
... Many parasitic wasps are attracted to volatiles that are released by plants when attacked by potential hosts. The attractiveness of these semiochemicals from damaged plants has been demonstrated in many tritrophic systems, but the physiological mechanisms underlying the insect responses are poorly understood. We recorded the antennal perception by three parasitoids (Cotesia marginiventris, Micropl ...
PubMed:
16124230

20. Antifeedants against Hylobius abietis pine weevils: an active compound in extract of bark of Tilia cordata linden

Author:
Mansson, P.E.; Eriksson, C.; Sjodin, K.
Source:
Journal of chemical ecology 2005 v.31 no.5 pp. 989-1001
ISSN:
0098-0331
Subject:
Tilia cordata; bioassays; bark; pelargonic acid; plant extracts; insect control; antifeedants; insect pests; Hylobius abietis; plant-insect relations; chemical constituents of plants; chemical composition
Abstract:
... Linden (Tilia cordata) bark was shown to contain an antifeedant effective against the large pine weevil, Hylobius abietis. Soxhlet extraction of inner and outer bark resulted in an extract that showed antifeedant activity in a microfeeding assay. The extract was fractionated by chromatography on silica gel using gradient elution with solvents of increasing polarity. The content of the fractions ob ...
PubMed:
16124228

21. Antifungal activity of limonoids from Khaya ivorensis

Author:
Abdelgaleil, S.A.M.; Hashinaga, F.; Nakatani, M.
Source:
Pest management science 2005 v.61 no.2 pp. 186-190
ISSN:
1526-498X
Subject:
plant pathogenic bacteria; antibacterial properties; Micrococcus luteus; stems; Salmonella Enteritidis; Botrytis cinerea; disease control; plant pathogenic fungi; Bacillus subtilis; chemical constituents of plants; bark; Khaya ivorensis; limonoids; antifungal properties; Republic of the Congo
Abstract:
... Chemical investigation of the diethyl ether extract of the stem bark of Khaya ivorensis A Chev (Meliaceae) afforded ten limonoids of angolensates, ring D-opened limonoids and mexicanolides. The structures of the limonoids isolated were determined by comparison of their 1H and 13C NMR data with those reported in the literature. These compounds were evaluated for their antifungal activity against th ...
DOI:
10.1002/ps.978
PubMed:
15619711

22. Antifungal and insect antifeedant 2-phenylethanol esters from the liverwort Balantiopsis cancellata from Chile

Author:
Labbe, C.; Faini, F.; Villagran, C.; Coll, J.; Rycroft, D.S.
Source:
Journal of agricultural and food chemistry 2005 v.53 no.2 pp. 247-249
ISSN:
0021-8561
Subject:
mosses and liverworts; phenolic compounds; esters; chemical constituents of plants; antifungal properties; Cladosporium herbarum; plant pathogenic fungi; antifeedants; antifeeding activity; Spodoptera littoralis; Chile
Abstract:
... A chemical study of a dichloromethane extract of Balantiopsis cancellata led to the isolation of four known 2-phenylethanol esters (1-4) and a phenylethanediol benzoate (5). Antifeedant activity toward Spodoptera littoralis (disk-choice bioassay) and growth inhibition of the phytopathogen Cladosporium herbarum in TLC-bioautography assays were determined. The results show that the antifeedant and a ...
DOI:
10.1021/jf048935c

23. Antifungal properties of pristimerin and celastrol isolated from Celastrus hypoleucus

Author:
Luo, D.Q.; Wang, H.; Tian, X.; Shao, H.J.; Liu, J.K.
Source:
Pest management science 2005 v.61 no.1 pp. 85-90
ISSN:
1526-498X
Subject:
Triticum aestivum; wheat; fungal diseases of plants; Thanatephorus cucumeris; Glomerella cingulata; plant pathogenic fungi; disease control; fungicides; plant extracts; roots; chemical constituents of plants; Celastrus; antifungal properties; China
Abstract:
... Pristimerin and celastrol isolated from the roots of Celastrus hypoleucus (Oliv) Warb f argutior Loes exhibited inhibitory effects against diverse phytopathogenic fungi. Pristimerin and celastrol were found to inhibit the mycelial growth of Rhizoctonia solani Kuhn and Glomerella cingulata (Stonem) Spauld & Schrenk in vitro by 83.6 and 62.6%, respectively, at 10 microgram ml(-1). Pristimerin showed ...
DOI:
10.1002/ps.953
PubMed:
15593077

24. Antioxidant defense system induced by a methanol extract of Caesalpinia bonducella in rat liver

Author:
Gupta, M.; Mazumder, U.K.; Kumar, R.S.; Sivakumar, T.; Gomathi, P.; Rajeshwar, Y.
Source:
Pharmaceutical biology 2005 v.43 no.5 pp. 411-419
ISSN:
1388-0209
Subject:
bilirubin; hepatoma; enzymes; lipid peroxidation; medicinal plants; plant extracts; flavonoids; glutathione; malondialdehyde; biomarkers; triterpenoids; leaves; hepatoprotective effect; traditional medicine; herbal medicines; N-nitrosodimethylamine; blood serum; rats; antioxidant activity; enzyme activity; antioxidants; supercritical fluid extraction; Caesalpinia bonduc; ascorbic acid; liver; shrubs; methanol; uric acid; vitamin E; indigenous species; chemical constituents of plants; anticarcinogenic activity
DOI:
10.1080/13880200590963439

25. Antioxidant indices of some green leafy vegetables

Author:
Akindahunsi, A.A.; Salawu, S.O.
Source:
Tropical science 2005 v.45 no.1 pp. 33-35
ISSN:
0041-3291
Subject:
phytic acid; free radicals; phytochemicals; phenol; alpha-tocopherol; beta-carotene; green leafy vegetables; chemical constituents of plants; antioxidants; ascorbic acid; Nigeria
DOI:
10.1002/ts.43

26. Antioxidants in potato

Author:
Brown, C.R.
Source:
American journal of potato research 2005 v.82 no.2 pp. 163-172
ISSN:
1099-209X
Subject:
anthocyanins; functional foods; free radicals; chlorogenic acid; Solanum tuberosum; potatoes; carotenoids; chemical constituents of plants; cooking; antioxidants; phenolic compounds
Abstract:
... The content of compounds in potato that may act as antioxidants in the human diet is not widely appreciated. Carotenoids are present in the flesh of all potatoes. The contents mentioned in the literature range from 50 to 100 micrograms per 100 g fresh weight (FW) in white-fleshed varieties to 2000 micrograms per 100 g FW in deeply yellow to orange-fleshed cultivars. The carotenoids in potato are p ...
Handle:
10113/37761
DOI:
10.1007/BF02853654

27. Antiplatelet effect of lonchocarpin and derricin isolated from Lonchocarpus sericeus

Author:
Fontenele, J.B.; Leal, L.K.A.M.; Ferreira, M.A.D.; Silveira, E.R.; Viana, G.S.B.
Source:
Pharmaceutical biology 2005 v.43 no.8 pp. 726-731
ISSN:
1388-0209
Subject:
pentoxifylline; blood platelets; medicinal plants; platelet aggregation; plant extracts; phosphodiesterase I; leaves; structure-activity relationships; flavonoids; chemical constituents of plants; branches; roots; Lonchocarpus; analgesic effect
DOI:
10.1080/13880200500387406

28. Antispasmodic effects of Bauhinia microstachya on isolated smooth muscle

Author:
Ramos, S.A.; Remor, C.; Emendorfer, F.; Meyre-Silva, C.; Cechinel-Filho, V.; Santos, A.R.S.; Cardozo, A.M.
Source:
Pharmaceutical biology 2005 v.43 no.5 pp. 467-470
ISSN:
1388-0209
Subject:
Bauhinia; medicinal plants; traditional medicine; herbal medicines; leaves; supercritical fluid extraction; methanol; acetic acid; plant extracts; chemical constituents of plants; phenols; pharmacology; parasympatholytics; antagonists; guinea pigs; rats; animal models; ileum; uterus; oxidative stress; smooth muscle; agonists
DOI:
10.1080/13880200590963899

29. Antiulcer properties of the ethanol root extract of Cissampelos mucronata

Author:
Nwafor, S.V.; Okoye, C.F.
Source:
Pharmaceutical biology 2005 v.43 no.5 pp. 396-403
ISSN:
1388-0209
Subject:
Cissampelos; shrubs; herbs; herbal medicines; medicinal plants; roots; supercritical fluid extraction; ethanol; plant extracts; chemical constituents of plants; phytochemicals; anti-ulcer activity; rats; oxidative stress; indomethacin; peptic ulcers; dosage; dose response; parasympatholytics; calcium channels; histamine; receptors
DOI:
10.1080/13880200590963222

30. Application of conductive polymer analysis for wood and woody plant identifications

Author:
Wilson, A.D.; Lester, D.G.; Oberle, C.S.
Source:
Forest ecology and management 2005 v.209 no.3 pp. 207-224
ISSN:
0378-1127
Subject:
chemical composition; volatile compounds; forest trees; wood; forest management; electronic nose; polymers; chemical constituents of plants; plant taxonomy; chemotaxonomy; forest ecology; adsorption
Abstract:
... An electronic aroma detection (EAD) technology known as conductive polymer analysis (CPA) was evaluated as a means of identifying and discriminating woody samples of angiosperms and gymnosperms using an analytical instrument (electronic nose) that characterizes the aroma profiles of volatiles released from excised wood into sampled headspace. The instrument measures electrical-resistance changes g ...
Handle:
10113/37964

31. Arbuscular mycorrhizal colonization and phosphorus acquisition of plants: effects of coexisting plant species

Author:
Chen, X.; Tang, J.; Zhi, G.; Hu, S.
Source:
Applied soil ecology 2005 v.28 no.3 pp. 259-269
ISSN:
0929-1393
Subject:
vesicular arbuscular mycorrhizae; mycorrhizal fungi; colonizing ability; nutrient uptake; phosphorus; nitrogen content; chemical constituents of plants; shoots; fungal spores; density; Digitaria ciliaris; Kummerowia striata; China
DOI:
10.1016/j.apsoil.2004.07.009

32. Arctic and North Atlantic Oscillation phase changes are recorded in the isotopes (delta18O and delta13C) of Cassiope tetragona plants

Author:
Welker, J.M.; Rayback, S.; Henry, G.H.R.
Source:
Global change biology 2005 v.11 no.7 pp. 997-1002
ISSN:
1354-1013
Subject:
growth rings; stems; Ericaceae; climate change; carbon; rain; seasonal variation; summer; oxygen; chemical constituents of plants; water uptake; stable isotopes; snowmelt; Northwest Territories
DOI:
10.1111/j.1365-2486.2005.00961.x

33. Are chemical compounds important for soybean resistance to Anticarsia gemmatalis?

Author:
Piubelli, G.C.; Hoffmann-Campo, C.B.; Moscardi, F.; Miyakubo, S.H.; Oliveira, M.C.N. de
Source:
Journal of chemical ecology 2005 v.31 no.7 pp. 1509-1525
ISSN:
0098-0331
Subject:
Glycine max; soybeans; pest resistance; insect pests; chemical constituents of plants; plant-insect relations; flavonoids; insect physiology
Abstract:
... The identification and quantification of flavonoids (rutin and genistin) present in extracts of soybean genotypes, and their effects on the biology and physiology of Anticarsia gemmatalis Hubner (Lep.: Noctuidae) were studied. Analysis of covariance and bicoordinate utilization plots were used to remove the effect of feeding time from pupal weight and consumption as well as to separate pre- and po ...
PubMed:
16222789

34. Arsenic uptake by two hyperaccumulator ferns from four arsenic contaminated soils

Author:
Fayiga, A.O.; Ma, L.Q.
Source:
Water, air, and soil pollution 2005 v.168 no.1-4 pp. 71-89
ISSN:
0049-6979
Subject:
Pteris vittata; glutathione; soil pollution; bioaccumulation; arsenic; exchangeable calcium; exchangeable potassium; phytoremediation; Pteris cretica; soil texture; soil pH; chemical constituents of plants; phosphorus; polluted soils; hyperaccumulators; South Carolina; Florida
DOI:
10.1007/s11270-005-0612-3

35. Assessing the removal efficiency of Zn, Cu, Fe and Pb in a treatment wetland using selective sequential extraction: a case study

Author:
Chague-Goff, C.
Source:
Water, air, and soil pollution 2005 v.160 no.1-4 pp. 161-179
ISSN:
0049-6979
Subject:
wetland soils; wastewater treatment; soil pollution; zinc; copper; iron; lead; heavy metals; chemical constituents of plants; uptake mechanisms; roots; shoots; bioremediation; bioaccumulation; winter; summer; Juncus; Lythrum; hydrochemistry; case studies; New Zealand
DOI:
10.1007/s11270-005-4145-6

36. Association Between In Vitro Antiradical Activity and Ferric Reducing Power in Aged Red Wines: A Mechanistic Approach

Author:
D. P. Makris; P. Kefalas
Source:
Food science and technology international 2005 v.11 no.1 pp. 11-18
ISSN:
1082-0132
Subject:
2,2-diphenyl-1-picrylhydrazyl; antioxidants; chemical constituents of plants; plant tissues; polyphenols; red wines
Abstract:
... Polyphenolic phytochemicals present in certain plant tissues exhibit multifunctional properties, in terms of expressing in vitroantioxidant activity. In the case of wines, which can be considered as very complex mixtures of polyphenols, a trend has been revealed by previous studies regarding the correlation of values from antioxidant tests based on different chemical backgrounds. In this respect, ...
DOI:
10.1177/1082013205051265

37. Biculture Legume–Cereal Cover Crops for Enhanced Biomass Yield and Carbon and Nitrogen

Author:
Upendra M. Sainju; Wayne F. Whitehead; Bharat P. Singh
Source:
Agronomy journal 2005 v.97 no.5 pp. 1403-1412
ISSN:
0002-1962
Subject:
no-tillage; strip tillage; fiber crops; carbon; nitrogen content; Gossypium hirsutum; dry matter accumulation; grain yield; soil fertility; Vicia villosa; soil organic matter; Secale cereale; crop rotation; nitrogen fertilizers; cotton; grain crops; fertilizer rates; chiseling; grain sorghum; cover crops; Sorghum bicolor; chemical constituents of plants; Georgia
Abstract:
... Biculture legume–cereal cover cropping may enhance above- and belowground biomass yields and C and N contents. The increase in C and N supply to the soil has the potential to improve soil quality and crop productivity compared with monoculture cover crop species. We examined above- and belowground (0- to 120-cm soil depth) biomass yields and C and N contents of a legume [hairy vetch (Vicia villosa ...
Handle:
10113/3716
DOI:
10.2134/agronj2004.0274

38. Bioassay-led isolation of Myrothecium verrucaria and verrucarin A as germination inhibitors of Orobanche crenata

Author:
El-Kassas, R.; El-Din, Z.K.; Beale, M.H.; Ward, J.L.; Strange, R.N.
Source:
Weed research 2005 v.45 no.3 pp. 212-219
ISSN:
0043-1737
Subject:
Vicia faba; faba beans; Orobanche crenata; parasitic plants; weed control; biological control; plant extracts; Myrothecium verrucaria; soil fungi; weed biology; seed germination; growth retardation; chemical constituents of plants; trichothecenes; dose response; Egypt
DOI:
10.1111/j.1365-3180.2005.00448.x

39. Biochemical analysis of protein kinase activities in the dry seeds of rice

Author:
Kanekatsu, M.; Takai, R.
Source:
Plant production science 2005 v.8 no.1 pp. 65-67
ISSN:
1343-943X
Subject:
seed germination; rice; seeds; Oryza sativa; crude protein; chemical constituents of plants; phosphorylation; enzyme activity; alpha-amylase
DOI:
10.1626/pps.8.65

40. Biofumigation: environmental impacts on the biological activity of diverse pure and plant-derived isothiocyanates

Author:
Matthiessen, J.N.; Shackleton, M.A.
Source:
Pest management science 2005 v.61 no.11 pp. 1043-1051
ISSN:
1526-498X
Subject:
soil insects; insect pests; insect control; soil fumigation; plant extracts; Brassica juncea; Brassica napus var. napus; shoots; seeds; roots; chemical constituents of plants; isothiocyanates; glucosinolates; application rate; mechanism of action; soil temperature
Abstract:
... Four pure isothiocyanates (methyl, 2-propenyl, benzyl and 2-phenylethyl isothiocyanate), hydrolysing tissue of two brassicas rich in either 2-propenyl or 2-phenylethyl isothiocyanate, and the methyl isothiocyanate-generating pesticide metam-sodium were tested in vapour exposure tests for biological activity against a model soil insect both in vitro and in the presence of three contrasting soils an ...
DOI:
10.1002/ps.1086
PubMed:
15986402

41. Biomass allocation and leaf chemical defence in defoliated seedlings of Quercus serrata with respect to carbon-nitrogen balance

Author:
Hikosaka, K.; Takashima, T.; Kabeya, D.; Hirose, T.; Kamata, N.
Source:
Annals of botany 2005 v.95 no.6 pp. 1025-1032
ISSN:
0305-7364
Subject:
plant growth; forest trees; quantitative analysis; nitrogen content; chemical constituents of plants; shoots; dry matter accumulation; regrowth; secondary metabolites; tannins; carbon; nutrient requirements; defoliation; Quercus serrata; roots; leaves; defense mechanisms; Japan
Abstract:
... BACKGROUND AND AIMS: Both nutrient availability and defoliation affect the carbon-nutrient balance in plants, which in turn influences biomass allocation (e.g. shoot-to-root ratio) and leaf chemical composition (concentration of nitrogen and secondary compounds). In this study it is questioned whether defoliation alters biomass allocation and chemical defence in a similar fashion to the response t ...
DOI:
10.1093/aob/mci111
PubMed:
15760913
PubMed Central:
PMC4246758

42. Boron deficiency and concentrations and composition of phenolic compounds in Olea europaea leaves: a combined growth chamber and field study

Author:
Liakopoulos, G..; Karabourniotis, G.
Source:
Tree physiology 2005 v.25 no.3 pp. 307-315
ISSN:
0829-318X
Subject:
Olea europaea; olives; leaves; trichomes; boron; metabolism; nutrient deficiencies; stress tolerance; chemical constituents of plants; phenolic compounds; flavonoids; quantitative analysis; field experimentation; growth chambers
Abstract:
... Boron deficiency is the most frequent micronutrient disorder in olive (Olea spp.) orchards. We tested the hypothesis that plant boron status affects phenolic metabolism, which, in turn, influences several ecophysiological traits of olive (Olea europaea L.) trees, by studying the effects of boron deficiency on leaf phenolic compounds of olive in a growth chamber experiment (CE) and a field experime ...
DOI:
10.1093/treephys/25.3.307
PubMed:
15631979

43. Boron remobilization at low boron supply in olive (Olea europaea) in relation to leaf and phloem mannitol concentrations

Author:
Liakopoulos, G.; Stavrianakou, S.; Filippou, M.; Fasseas, C.; Tsadilas, C.; Drossopoulos, I.; Karabourniotis, G.
Source:
Tree physiology 2005 v.25 no.2 pp. 157-165
ISSN:
0829-318X
Subject:
Olea europaea; olives; leaves; phloem; boron; nutrient deficiencies; stress tolerance; mannitol; biosynthesis; photosynthesis; net assimilation rate; nutrient transport; source-sink relationships; tree growth; chemical constituents of plants; sucrose; glucose; myo-inositol; fructose; quantitative analysis; Greece
Abstract:
... For plant species in which a considerable portion of the photoassimilates are translocated in the phloem as sugar alcohols, boron is freely translocated from mature organs to growing tissues. However, the effects of decreased plant boron status on boron remobilization are poorly understood. We conducted a growth chamber experiment (CE) and a field experiment (FE) to study the effects of low boron ...
DOI:
10.1093/treephys/25.2.157
PubMed:
15574397

44. Breeding guayule for commercial production

Author:
Ray, D.T.; Coffelt, T.A.; Dierig, D.A.
Source:
Industrial crops and products 2005 v.22 no.1 pp. 15-25
ISSN:
0926-6690
Subject:
germplasm; plant breeding; chemical constituents of plants; guayule; Parthenium argentatum; artificial selection; apomixis; new crops; plant genetic resources; latex; genotype; genetic variation; commercialization; plant morphology; domestication; yield components; genetic markers
Abstract:
... Breeding a new domestic crop, such as guayule, is not appreciably different from enhancement and breeding of conventional crops. In both instances, plant breeders take the available germplasm and search for genetic variability in the desired traits. The major differences are that in new crops plant breeders are often working with an unfamiliar species that is not yet fully domesticated and the ava ...
Handle:
10113/4314
DOI:
10.1016/j.indcrop.2004.06.005

45. Browse selection in response to simulated seasonal changes in diet quality through postingestive effects

Author:
Duncan, A.J.; Reid, S.A.; Thoss, V.; Elston, D.A.
Source:
Journal of chemical ecology 2005 v.31 no.4 pp. 729-744
ISSN:
0098-0331
Subject:
herbivores; vertebrate pests; host plants; chemical constituents of plants; secondary metabolites; nutritive value; seasonal variation; feeding preferences
Abstract:
... Browse species undergo seasonal changes in nutritional value and secondary plant compound concentrations. The capacity of herbivores to monitor such change through postingestive effects and to modify their food choice appropriately was investigated. Twenty-four goats were offered a different conifer species on four successive learning days per 7-d period for six periods. During conifer consumption ...
PubMed:
16124248

46. CO₂ and O₃ effects on host plant preferences of the forest tent caterpillar (Malacosoma disstria)

Author:
Agrell, J.; Kopper, B.; McDonald, E.P.; Lindroth, R.L.
Source:
Global change biology 2005 v.11 no.4 pp. 588-599
ISSN:
1354-1013
Subject:
carbon dioxide; nutrient content; insect pests; phytophagous insects; food plants; host plants; plant-insect relations; ozone; feeding preferences; Betula papyrifera; elevated atmospheric gases; Malacosoma disstria; secondary metabolites; Populus tremuloides; chemical constituents of plants; air pollution; forest pests; leaves
Abstract:
... Elevated levels of CO2 and O3 affect plant growth and phytochemistry, which in turn can alter physiological performance of associated herbivores. Little is known, however, about how generalist insect herbivores respond behaviorally to CO2- and O3-mediated changes in their host plants. This research examined the effects of elevated CO2 and O3 levels on host plant preferences and consumption of fore ...
Handle:
10113/17223
DOI:
10.1111/j.1365-2486.2005.00924.x

47. Cadmium and zinc interactions in trace element accumulation in chamomile

Author:
Chizzola, R.; Mitteregger, U.S.
Source:
Journal of plant nutrition 2005 v.28 no.8 pp. 1383-1396
ISSN:
0190-4167
Subject:
sandy soils; plant nutrition; zinc; heavy metals; chamomile; Matricaria chamomilla; nutrient uptake; cadmium; translocation (plant physiology); seasonal variation; organic soils; uptake mechanisms; chemical constituents of plants; drug crops; herbal medicines; hyperaccumulators
Abstract:
... In many contamination situations, various heavy metals act simultaneously and may interact; the present study examines the effects of cadmium (Cd) and zinc (Zn), two chemically similar elements, on trace-element accumulation under different environmental conditions. Chamomile (Matricaria recutita L.) was grown in pot experiments with increasing additions of Cd, Zn, or a combination of both metals ...
DOI:
10.1081/PLN-200067470

48. Camptothecin production in Camptotheca acuminata cultured hydroponically and with nitrogen enrichments

Author:
Li, Z.; Liu, Z.
Source:
Canadian journal of plant science 2005 v.85 no.2 pp. 447-452
ISSN:
0008-4220
Subject:
Camptotheca acuminata; medicinal plants; antineoplastic agents; crop production; hydroponics; soilless media; nitrogen fertilizers; leaves; roots; stems; plant extracts; chemical constituents of plants; alkaloids; biosynthesis; quantitative analysis; plant growth
DOI:
10.4141/P04-020

49. Can leaf chlorophyll measures at differing growth stages be used as an indicator of winter wheat and spring barley nitrogen requirements in eastern Canada?

Author:
Spaner, D.; Todd, A.G.; Navabi, A.; McKenzie, D.B.; Goonewardene, L.A.
Source:
Journal of agronomy and crop science 2005 v.191 no.5 pp. 393-399
ISSN:
0931-2250
Subject:
Triticum aestivum; winter wheat; Hordeum vulgare; barley; leaves; chlorophyll; chemical constituents of plants; developmental stages; nitrogen; nutrient requirements; plant nutrition; nitrogen fertilizers; grain yield; protein content; fertilizer rates; top dressings; Newfoundland and Labrador
DOI:
10.1111/j.1439-037X.2005.00175.x

50. Capsicum oleoresin: development of an in-soil repellent for pocket gophers

Author:
Sterner, R.T.; Shumake, S.A.; Gaddis, S.E.; Bourassa, J.B.
Source:
Pest management science 2005 v.61 no.12 pp. 1202-1208
ISSN:
1526-498X
Subject:
repellents; oleoresins; Glycine max; soybean oil; Medicago sativa; plant pests; pesticidal properties; placebos; Capsicum; chemical constituents of plants; Thomomys talpoides; Colorado
Abstract:
... A pre- and post-monitoring study was conducted of the potential use of capsicum oleoresin as an in-soil repellent for northern pocket gophers (Thomomys talpoides). Pocket gophers were captured in irrigated alfalfa (Medicago sativa L), affixed with radio transmitters, and monitored daily for location. Six plots (4.87 x 4.87 m) each were randomly assigned to capsicum oleoresin and soybean oil treatm ...
Handle:
10113/36483
DOI:
10.1002/ps.1118
PubMed:
16200503