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- Author:
- Pereira, Luciane G Batista; Petacci, Fernando; Fernandes, João B.; Corrêa, Arlene G.; Vieira, Paulo C.; Silva, M Fátima G F da; Malaspina, Osmar
- Source:
- Pest management science 2002 v.58 no.5 pp. 503-507
- ISSN:
- 1526-498X
- Subject:
- Anticarsia gemmatalis; Dimorphandra; Spodoptera frugiperda; ingestion; insecticidal properties; larvae; nuclear magnetic resonance spectroscopy; pest management; stomach; weight loss
- Abstract:
- ... Astilbin was isolated in high yield from Dimorphandra mollis, and its insecticidal and growth inhibiting activity by stomach ingestion were evaluated against Anticarsia gemmatalis and Spodoptera frugiperda. The insecticidal activity of astilbin, the weight reduction of the larval phase and the prolongation of the larval and pupal phases were verified for both species. Astilbin was identified on th ...
- DOI:
- 10.1002/ps.478
-
http://dx.doi.org/10.1002/ps.478
- Author:
- Palou, Lluís; Usall, Josep; Smilanick, Joseph L.; Aguilar, Maria-José; Viñas, Inmaculada
- Source:
- Pest management science 2002 v.58 no.5 pp. 459-466
- ISSN:
- 1526-498X
- Subject:
- Citrus; Penicillium digitatum; Penicillium italicum; calcium polysulfide; dipping; food additives; lemons; mixtures; molybdenum; oranges; pH; phytotoxicity; potassium sorbate; sodium acetate; sodium benzoate; sodium carbonate; sodium molybdate; sodium propionate; solutions; temperature
- Abstract:
- ... The effectiveness of low-toxicity chemicals as possible alternatives to synthetic fungicides for the control of post-harvest green and blue moulds of citrus was evaluated. A preliminary selection of chemicals, mostly common food additives, was made through in vivo primary screenings with oranges artificially inoculated with Penicillium digitatum or P italicum. Selected compounds and mixtures were ...
- DOI:
- 10.1002/ps.477
-
http://dx.doi.org/10.1002/ps.477
- Author:
- Jagdale, Ganpati B.; Grewal, Parwinder S.
- Source:
- Pest management science 2002 v.58 no.5 pp. 451-458
- ISSN:
- 1526-498X
- Subject:
- Aphelenchoides fragariae; Burkholderia cepacia; Hosta; Syzygium aromaticum; United States Environmental Protection Agency; azadirachtin; diazinon; ethoprophos; floriculture; fungicides; insecticidal soaps; insects; leaves; mites; ornamental plants; oxamyl; peracetic acid; pests; phytotoxicity; slugs; soil; trichlorfon; United States
- Abstract:
- ... The foliar nematodes, Aphelenchoides spp, have emerged as important pests of ornamentals in North America during the last decade. Due to the ban on the use of potentially toxic pesticides, there are currently no nematicides registered to manage foliar nematodes on ornamentals. Therefore, we have evaluated a biological [Burkholderia cepacia (syn Pseudomonas cepacia)], two plant products [clove (Syz ...
- DOI:
- 10.1002/ps.472
-
http://dx.doi.org/10.1002/ps.472
- Author:
- Traboulsi, Abdallah F.; Taoubi, K.; El-Haj, Samih; Bessiere, J.M.; Rammal, Salma
- Source:
- Pest management science 2002 v.58 no.5 pp. 491-495
- ISSN:
- 1526-498X
- Subject:
- Culex pipiens form molestus; Lavandula stoechas; Mentha; Myrtus communis; Origanum; Pistacia lentiscus; carvacrol; cineole; essential oil crops; essential oils; extracts; flowers; insect larvae; insecticidal properties; leaves; lethal concentration 50; linalool; menthone; pest management; plant fats and oils; terpineol; thymol; toxicity
- Abstract:
- ... The insecticidal activities of essential oil extracts from leaves and flowers of aromatic plants against fourth-instar larvae of the mosquito Culex pipiens molestus Forskal were determined. Extracts of Myrtus communis L were found to be the most toxic, followed by those of Origanum syriacum L, Mentha microcorphylla Koch, Pistacia lentiscus L and Lavandula stoechas L with LC50 values of 16, 36, 39, ...
- DOI:
- 10.1002/ps.486
-
http://dx.doi.org/10.1002/ps.486
- Author:
- Ciucani, Giovannella; Trevisan, Marco; Sacchi, Gian Attilio; Trapp, Stefan A .J.
- Source:
- Pest management science 2002 v.58 no.5 pp. 467-473
- ISSN:
- 1526-498X
- Subject:
- bentazon; electrolytes; fenpropimorph; high performance liquid chromatography; imazalil; organic acids and salts; pH; rimsulfuron; sap; simulation models; soybeans; transpiration; triasulfuron; xylem
- Abstract:
- ... Xylem translocation and root uptake of weak electrolytes were investigated with the pressure chamber technique (PCT) using de-topped soybean plants. Two compounds were organic bases (fenpropimorph and imazalil) and four were organic acids (bentazone, primisulfuron-methyl, rimsulfuron and triasulfuron). The compounds covered a wide range of log K(OW) and pK(a) values. Concentrations in external sol ...
- DOI:
- 10.1002/ps.484
-
http://dx.doi.org/10.1002/ps.484
- Author:
- Abdelgaleil, Samir A .M.; El-Aswad, Ahmed F.; Nakatani, Munehiro
- Source:
- Pest management science 2002 v.58 no.5 pp. 479-482
- ISSN:
- 1526-498X
- Subject:
- Biomphalaria alexandrina; Euphorbia; Spodoptera littoralis; aerial parts; antifeedants; diterpenoids; larvae; leaves; molluscicidal properties; pest management; polyesters; snails
- Abstract:
- ... Nine known diterpene polyesters of segetanes, jatrophenes and paralianes have been isolated from the aerial parts of Euphorbia paralias L. The molluscicidal activity of isolated compounds was evaluated on Biomphalaria alexandrina (Ehrenberg). Paraliane diterpene, (2S,3S,4R,5R,6R,8R, 12S,13S,14R,15R)-5,8,14-triacetoxy-3-benzoyloxy-15-hydroxy-9-oxo-paraliane, was the most potent compound against the ...
- DOI:
- 10.1002/ps.487
-
http://dx.doi.org/10.1002/ps.487
- Author:
- Kagabu, Shinzo; Nishiwaki, Hisashi; Sato, Kazuyuki; Hibi, Manabu; Yamaoka, Nahato; Nakagawa, Yoshiaki
- Source:
- Pest management science 2002 v.58 no.5 pp. 483-490
- ISSN:
- 1526-498X
- Subject:
- Musca domestica; cholinergic receptors; insecticidal properties; iodine; pest management; piperonyl butoxide
- Abstract:
- ... Fifteen 5-substituted 1-(6-chloro-3-pyridylmethyl)-2-nitromethylene-1,3-diazacyclohexanes and three other related compounds having a five- or seven-membered ring were synthesized and their biological activities were measured in vivo and in vitro. The insecticidal (in vivo) activity was evaluated against houseflies Musca domestica L under synergistic conditions with propargyl propyl phenyl phosphon ...
- DOI:
- 10.1002/ps.488
-
http://dx.doi.org/10.1002/ps.488
- Author:
- Délye, Christophe; Matéjicek, Annick; Gasquez, Jacques
- Source:
- Pest management science 2002 v.58 no.5 pp. 474-478
- ISSN:
- 1526-498X
- Subject:
- Alopecurus myosuroides; Lolium rigidum; acetyl coenzyme A; alleles; cross resistance; herbicides; laboratory equipment; leucine; molecular biology; polymerase chain reaction; seedlings; weeds
- Abstract:
- ... A simple method based upon allele-specific PCR was developed to detect an isoleucine-leucine substitution in the gene encoding chloroplastic acetyl-coenzyme A carboxylase (ACCase) in two gramineous weeds: Lolium rigidum Gaud and Alopecurus myosuroides Huds. Analysis of 1800 A myosuroides and 750 L rigidum seedlings showed that the presence of ACCase leucine allele(s) conferred cross-resistance to ...
- DOI:
- 10.1002/ps.485
-
http://dx.doi.org/10.1002/ps.485
- Author:
- Wauchope, R. Don; Yeh, Simon; Linders, Jan B.H.J.; Kloskowski, Regina; Tanaka, Keiji; Rubin, Baruch; Katayama, Arata; Kordel, Wener; Gerstl, Zev; Lane, Michael; Unsworth, John B.
- Source:
- Pest management science 2002 v.58 no.5 pp. 419
- ISSN:
- 1526-4998
- Subject:
- pesticides; sorption isotherms; soil organic carbon; environmental fate; soil properties; equations
- Abstract:
- ... The soil sorption coefficient Kd and the soil organic carbon sorption coefficient KOC of pesticides are basic parameters used by environmental scientists and regulatory agencies worldwide in describing the environmental fate and behavior of pesticides. They are a measure of the strength of sorption of pesticides to soils and other geosorbent surfaces at the water/solid interface, and are thus dire ...
- Handle:
- 10113/27002
- DOI:
- 10.1002/ps.489
-
http://dx.doi.org/10.1002/ps.489
- Author:
- Keum, Young-Soo; Kim, Jeong-Han; Kim, Yong-Whan; Kim, Kyun; Li, Qing X.
- Source:
- Pest management science 2002 v.58 no.5 pp. 496-502
- ISSN:
- 1526-498X
- Subject:
- acaricides; acetone; aqueous solutions; hexane; humic acids; insecticides; isopropyl alcohol; oxygen; paddies; photolysis; solar radiation; thiourea; urea
- Abstract:
- ... Diafenthiuron, 1-tert-butyl-3-(2,6-di-isopropyl-4-phenoxyphenyl)thiourea, is an effective insecticide and acaricide. Sunlight degradation of diafenthiuron in various aqueous solutions and pure hexane yielded two major identified products: 1-tert-butyl-3-(2,6-di-isopropyl-4-phenoxyphenyl)carbodiimide (CGA-140 408) and 1-tert-butyl-3-(2,6-di-isopropyl-4-phenoxy-phenyl)urea (CGA-177 960). CGA-140 408 ...
- DOI:
- 10.1002/ps.483
-
http://dx.doi.org/10.1002/ps.483
- Author:
- Mostert, Magdel A.; Schoeman, At S.; Merwe, Mac van der
- Source:
- Pest management science 2002 v.58 no.5 pp. 446-450
- ISSN:
- 1526-498X
- Subject:
- Pheretima; application rate; carbaryl; chlorpyrifos; cyfluthrin; earthworms; fipronil; imidacloprid; lethal concentration 50; pests; soil; toxicity; turf grasses
- Abstract:
- ... An artificial soil test was used to determine the LC50 values of carbaryl, chlorpyrifos, imidacloprid, cyfluthrin and fipronil against earthworms of the Pheretima group. For a 24-h interval, carbaryl was the most toxic to earthworms (LC50 = 77 mg kg−1), followed by imidacloprid (155 mg kg−1), cyfluthrin (351 mg kg−1), chlorpyrifos (390 mg kg−1) and fipronil (>8550 mg kg−1) as the least toxic. For ...
- DOI:
- 10.1002/ps.473
-
http://dx.doi.org/10.1002/ps.473