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1. A fungal endophyte of an annual weed reduces host competitive ability and confers associational protection to wheat

Author:
García-Parisi, Pablo Adrián; Gavilán, Sebastián Aníbal; Casas, Cecilia; Gundel, Pedro Emilio; Omacini, Marina
Source:
Basic and applied ecology 2021 v.50 pp. 16-24
ISSN:
1439-1791
Subject:
annual weeds,   etc   ; Aphidoidea; Epichloe; Lolium multiflorum; Triticum aestivum; agroecosystems; biomass; cool season grasses; crop yield; endophytes; endosymbionts; fungi; herbivores; insect infestations; interspecific competition; invertebrates; perennial grasses; pest management; symbiosis; wheat;     Show all 20 Subjects
Abstract:
... Epichloid fungal endophytes (Epichloë spp., Ascomycota: Clavicipitaceae) inhabit aerial tissues of several cool-season grasses, and enhance host growth and defence against herbivores. The presence of these symbionts can also affect interactions between the host and other non-epichloid plants. The role of an epichloid endophyte on interspecific competition has been tested using perennial grasses wi ...
DOI:
10.1016/j.baae.2020.10.001

2. Regeneration capacity after exposure to freezing in wild oat (Avena ludoviciana Durieu.) and turnipweed (Rapistrum rugosum (L.) All.) in comparison with winter wheat

Author:
Hasanfard, Alireza; Rastgoo, Mehdi; Izadi Darbandi, Ebrahim; Nezami, Ahmad; Chauhan, Bhagirath Singh
Source:
Environmental and experimental botany 2021 v.181 pp. 104271
ISSN:
0098-8472
Subject:
annual weeds,   etc   ; Avena sterilis; Triticum aestivum; buried seeds; climate; cold stress; cold tolerance; crop rotation; crops; electrolyte leakage; freezing; frost; integrated weed management; leaves; photochemistry; planting; regrowth; seed set; temperature; tillage; winter; winter wheat; Iran;     Show all 23 Subjects
Abstract:
... Wild oat (Avena ludoviciana Durieu.) and turnipweed (Rapistrum rugosum (L.) All.) are the most important annual weed species of winter wheat (Triticum aestivum L.) in the Khorasan Razavi province of Iran. This study investigated freezing tolerance in wheat (cv. Mihan) and these two weeds based on electrolyte leakage (EL), survival (SU), regrowth characteristics and maximum photochemical efficiency ...
DOI:
10.1016/j.envexpbot.2020.104271

3. Kinetic study of glyphosate degradation in wet air oxidation conditions

Author:
Feng, Dan; Malleret, Laure; Soric, Audrey; Boutin, Olivier
Source:
Chemosphere 2020 v.247 pp. 125930
ISSN:
0045-6535
Subject:
annual weeds,   etc   ; activation energy; air; autoclaves; glyphosate; liquid chromatography; mass spectrometry; oxidation; pollutants; temperature; wastewater treatment;     Show all 11 Subjects
Abstract:
... Glyphosate is one of the most widely used herbicides in the world against perennial and annual weeds. It has been reported to be a micro pollutant, and its degradation in different wastewater treatment processes must be studied. For that purpose, the kinetics of wet air oxidation of glyphosate was studied in an autoclave reactor at a temperature range of 423–523 K and under a total pressure of 15  ...
DOI:
10.1016/j.chemosphere.2020.125930

4. Timing and Application Rate for Sequential Applications of Glufosinate are Critical for Maximizing Control of Annual Weeds in LibertyLink® Soybean

Author:
Meyer, Chris J.; Norsworthy, Jason K.
Source:
International journal of agronomy 2020 v.2020
ISSN:
1687-8167
Subject:
annual weeds,   etc   ; Amaranthus palmeri; Echinochloa crus-galli; application rate; crop yield; crops; glufosinate; glufosinate resistance; herbicide-resistant weeds; pesticide application; soybeans; weed control; Arkansas;     Show all 13 Subjects
Abstract:
... Preserving the utility of glufosinate in both LibertyLink soybean and other glufosinate-resistant crops is critical for managing herbicide-resistant weeds. An experiment with a two-factor factorial arrangement was conducted at the Arkansas Agricultural Research and Extension Center in Fayetteville, AR, in 2015, 2016, and 2017 to evaluate the efficacy of glufosinate in single and sequential applica ...
DOI:
10.1155/2020/9145370

5. Assembly and Analysis of the Complete Mitochondrial Genome of Capsella bursa-pastoris

Author:
Omelchenko, Denis O.; Makarenko, Maxim S.; Kasianov, Artem S.; Schelkunov, Mikhail I.; Logacheva, Maria D.; Penin, Aleksey A.
Source:
Plants 2020 v.9 no.4
ISSN:
2223-7747
Subject:
annual weeds,   etc   ; Capsella bursa-pastoris; RNA editing; amino acids; evolution; genes; mitochondrial genome; models; open reading frames; ribosomal RNA; transfer RNA;     Show all 11 Subjects
Abstract:
... Shepherd’s purse (Capsella bursa-pastoris) is a cosmopolitan annual weed and a promising model plant for studying allopolyploidization in the evolution of angiosperms. Though plant mitochondrial genomes are a valuable source of genetic information, they are hard to assemble. At present, only the complete mitogenome of C. rubella is available out of all species of the genus Capsella. In this work, ...
DOI:
10.3390/plants9040469

6. Digitaria sanguinalis seed dormancy release and seedling emergence are affected by crop canopy and stubble

Author:
Oreja, F H; Batlla, D; de la Fuente, E B
Source:
Weed research 2020 v.60 no.2 pp. 111-120
ISSN:
0043-1737
Subject:
annual weeds,   etc   ; Digitaria sanguinalis; autumn; canopy; crops; seed dormancy; seedling emergence; seedlings; seeds; soil; soybeans; spring; stubble; temperature; weed control; winter;     Show all 16 Subjects
Abstract:
... Digitaria sanguinalis is a troublesome annual weed that causes important yield losses in different crops. Despite this, there is scarce information about different aspects of its biology under field conditions. New knowledge about the establishment process of this species will be of paramount importance in order to maximise the effectiveness of weed management. The aims of this paper were to evalu ...
DOI:
10.1111/wre.12392

7. Modeling the Emergence of North African Knapweed (Centaurea diluta), an Increasingly Troublesome Weed in Spain

Author:
Sousa-Ortega, Carlos; Royo-Esnal, Aritz; DiTommaso, Antonio; Izquierdo, Jordi; Loureiro, Iñigo; Marí, Ana I.; Cordero, Fernando; Vargas, Manuel; Saavedra, Milagros; Paramio, José A.; Fernández, José L.; Torra, Joel; Urbano, José M.
Source:
Weed science 2020 v.68 no.3 pp. 268-277
ISSN:
0043-1745
Subject:
annual weeds,   etc   ; Centaurea; Weibull statistics; arid lands; autumn; cropping systems; field experimentation; growing season; models; prediction; seedling emergence; seeds; temperature; water potential; Spain;     Show all 15 Subjects
Abstract:
... North African knapweed (Centaurea diluta Aiton) is an annual weed that is widespread in southern Spain and is of increasing concern in dryland cropping systems. Despite its expanding range in Spain, there is limited information on the emergence timing and pattern of this species, knowledge of which is critical for developing more timely and effective management strategies. Therefore, there is a ne ...
DOI:
10.1017/wsc.2020.22

8. Causative factors influencing epizoochorous dispersal of weed seeds by sheep and associated carcass contamination in southern Australia

Author:
Kelly, Jane E.; Quinn, Jane C.; Nielsen, Sharon G.; Weston, Paul; Broster, John C.; Weston, Leslie A.
Source:
Weed research 2020 v.60 no.3 pp. 221-231
ISSN:
0043-1737
Subject:
annual weeds,   etc   ; Bromus; Hordeum; adults; agroecological zones; animal tissues; annuals; barley; climate change; grass weeds; grasses; integrated weed management; invasive species; males; monitoring; ovine carcasses; rain; seed damage; seeds; sheep; slaughterhouses; temperature; zoochory; Australia;     Show all 24 Subjects
Abstract:
... Hordeum spp. (barley grass) and Bromus spp. (brome grass) are annual weed species that achieve long‐distance seed dispersal via attachment to sheep, but also lead to sheep carcass damage due to the penetration of seeds into animal tissues. Range expansion of invasive weed populations predicted as a consequence of climate change may be associated with an increase in seed contamination incidence glo ...
DOI:
10.1111/wre.12415

9. Weed Infestation and Health of Organically Grown Chamomile (<i>Chamomilla recutita</i> (L.) Rausch.) Depending on Selected Foliar Sprays and Row Spacing

Author:
Kwiatkowski, Cezary A.; Haliniarz, Małgorzata; Harasim, Elżbieta
Source:
Agriculture (Basel) 2020 v.10 no.5
ISSN:
2077-0472
Subject:
annual weeds,   etc   ; Galeopsis tetrahit; Juncus bufonius; Matricaria chamomilla; Podzols; Scleranthus; Spergula arvensis; Viola arvensis; beneficial microorganisms; biobased products; biofertilizers; chamomile; crops; cultivars; field experimentation; flora; foliar spraying; fungi; organic production; pathogens; plant density; raw materials; row spacing; species diversity; Poland;     Show all 25 Subjects
Abstract:
... Chamomile is a herbal plant of very high economic importance worldwide. Its organically grown raw material is particularly valuable. Under organic farming conditions, weeds and fungal diseases are an important problem in a chamomile plantation. Seeking agronomic solutions designed to eliminate the occurrence of these pathogens in chamomile crops is constantly valid. The aim of the present study wa ...
DOI:
10.3390/agriculture10050168

10. Response of common cocklebur (Xanthium strumarium L.) emergence and competition with corn (Zea mays L.) to seed burial depth and mulch

Author:
Amini, Rouhollah; Mobli, Ahmadreza; Dabbagh Mohammadi Nasab, Adel
Source:
Archiv für Acker- und Pflanzenbau und Bodenkunde 2020 v.66 no.5 pp. 679-693
ISSN:
1476-3567
Subject:
annual weeds,   etc   ; Xanthium strumarium; Zea mays; achenes; biomass; buried seeds; corn; field experimentation; grain yield; leaf area index; seedling emergence; soil depth; straw mulches; summer; tillage; wheat straw; Iran;     Show all 17 Subjects
Abstract:
... Common cocklebur (Xanthium strumarium L.) is a summer annual weed of the corn fields in the north-western parts of Iran. Field experiments were conducted in 2013 and 2014 to examine the seedling emergence and growth of common at different achene (seed) burial depths (3, 6, 9, 12, 15 and 18 cm) and wheat straw mulch amounts (0, 1.5, 3.0 and 4.5 ton ha⁻¹). Results indicated that increasing achene bu ...
DOI:
10.1080/03650340.2019.1632438

11. How is glyphosate resistance modified by exogenous salicylic acid application on Conyza bonariensis biotypes

Author:
Tani, Eleni; Perraki, A.; Gerakari, M.; Chachalis, D.; Kanatas, P.; Goufa, M.; Papadakis, I.
Source:
Phytoparasitica 2020 v.48 no.2 pp. 305-315
ISSN:
0334-2123
Subject:
annual weeds,   etc   ; Conyza bonariensis; abiotic stress; biotic stress; biotypes; crops; defense mechanisms; glyphosate; glyphosate resistance; growth regulators; hydrogen peroxide; leaves; malondialdehyde; orchards; photosynthesis; proline; salicylic acid; shikimic acid; vineyards; wastelands; weed control; Greece;     Show all 22 Subjects
Abstract:
... Hairy fleabane (Conyza bonariensis (L.) Cronq.) is an annual weed which occurs typically on waste land and crops such as orchards and vineyards. It is considered one of the worst weeds worldwide, including Greece, because it has developed resistance to glyphosate. Glyphosate is a systemic, non-selective herbicide and it is the world’s biggest selling for weed control. Salicylic acid is a phenolic ...
DOI:
10.1007/s12600-020-00790-y

12. Effect of Crop Canopy and Herbicide Application on Kochia (Bassia scoparia) Density and Seed Production

Author:
Mosqueda, Elizabeth G.; Lim, Charlemagne A.; Sbatella, Gustavo M.; Jha, Prashant; Lawrence, Nevin C.; Kniss, Andrew R.
Source:
Weed science 2020 v.68 no.3 pp. 278-284
ISSN:
0043-1745
Subject:
annual weeds,   etc   ; Bassia scoparia; Beta vulgaris; Phaseolus vulgaris; Triticum aestivum; Zea mays; acetolactate synthase; canopy; corn; cropping systems; crops; dry beans; herbicide-resistant weeds; herbicides; pesticide application; spring wheat; sugar beet; weed control; Montana; Nebraska; Wyoming;     Show all 21 Subjects
Abstract:
... Understanding the effects of crop management practices on weed survival and seed production is imperative in improving long-term weed management strategies, especially for herbicide-resistant weed populations. Kochia [Bassia scoparia (L.) A.J. Scott] is an economically important weed in western North American cropping systems for many reasons, including prolific seed production and evolved resista ...
DOI:
10.1017/wsc.2020.23

13. Prediction of Early Season Beet Leafhopper Populations in Southern New Mexico

Author:
Lehnhoff, Erik; Creamer, Rebecca
Source:
Plant health progress 2020 v.21 no.1 pp. 71-76
ISSN:
1535-1025
Subject:
annual weeds,   etc   ; Becurtovirus; Beet curly top virus; Circulifer tenellus; Phytoplasma; Sisymbrium; crops; growers; host range; insect vectors; models; pathogens; phloem; planning; prediction; rain; regression analysis; semiarid zones; sticky traps; viruses; weed control; New Mexico;     Show all 22 Subjects
Abstract:
... Curly top is an important widespread disease in semiarid regions that can be caused by several Curtovirus and Becurtovirus species. The strains of beet curly top virus (BCTV) have been some of the most widely reported to be associated with curly top. The viruses causing curly top are phloem limited and transmitted by the beet leafhopper (BLH), Circulifer tenellus Baker (Hemiptera: Cicadellidae). T ...
DOI:
10.1094/PHP-08-19-0051-FI

14. Halauxifen-methyl controls glyphosate-resistant horseweed (Conyza canadensis) but not giant ragweed (Ambrosia trifida) in winter wheat

Author:
Quinn, Jessica; Soltani, Nader; Ashigh, Jamshid; Hooker, David C.; Robinson, Darren E.; Sikkema, Peter H.
Source:
Weed technology 2020 v.34 no.4 pp. 607-612
ISSN:
1550-2740
Subject:
annual weeds,   etc   ; 2,4-D; Ambrosia trifida; Conyza canadensis; MCPA (herbicide); Triticum aestivum; ammonium sulfate; anemochory; biotypes; bromoxynil; clopyralid; field experimentation; fluroxypyr; glyphosate; glyphosate resistance; grain crops; integrated weed management; seeds; spring; summer; thifensulfuron; tribenuron; winter; winter wheat; Ontario; United States;     Show all 26 Subjects
Abstract:
... Horseweed is a competitive summer or winter annual weed that produces up to 230,000 small seeds per plant that are capable of traveling more than 500 km via wind. Giant ragweed is a tall, highly competitive summer annual weed. Glyphosate-resistant (GR) horseweed and GR giant ragweed pose significant challenges for producers in the United States and Ontario, Canada. It is thought that an integrated ...
DOI:
10.1017/wet.2020.21

15. Invasiveness of agronomic weed species in wheat in Western Australia

Author:
Borger, Catherine P. D.; Hashem, Abul; van Burgel, Andrew; Gill, Gurjeet S.
Source:
Weed research 2020 v.60 no.4 pp. 251-258
ISSN:
0043-1737
Subject:
annual weeds,   etc   ; Bromus diandrus; Chloris truncata; Citrullus; Dactyloctenium; Hordeum murinum subsp. leporinum; Lolium rigidum; Polygonum aviculare; Rumex; Salsola tragus; Sonchus oleraceus; Tribulus terrestris; crop yield; cropping systems; herbicide resistance; herbicides; plant density; seed dispersal; seeds; sowing; summer; wheat; winter; Western Australia;     Show all 24 Subjects
Abstract:
... Weed seeds are introduced to agronomic systems naturally or through human‐mediated seed dispersal, and introduced seeds have a high chance of being resistant to selective, in‐crop herbicides. However, colonisation (invasion) rates for a weed species are usually much lower than rates of seed dispersal. The current research investigated colonisation of a winter annual wheat cropping system in Wester ...
DOI:
10.1111/wre.12419

16. A Review of Non-Chemical Weed Control Practices in Christmas Tree Production

Author:
Saha, Debalina; Cregg, Bert M.; Sidhu, Manjot Kaur
Source:
Forests 2020 v.11 no.5
ISSN:
1999-4907
Subject:
annual weeds,   etc   ; Christmas trees; conifers; control methods; cover crops; equipment; grasses; grazing; growers; herbicide-resistant weeds; herbicides; insects; mowing; mulching; nitrogen fertilizers; organic mulches; phytotoxicity; plant establishment; plantations; rural roads; seedlings; seeds; sheep; soil fertility; soil temperature; soil water; sowing; tree growth; trees; weed control;     Show all 30 Subjects
Abstract:
... Weeds interfere with Christmas tree growth at any time and at any stage of production. Growers mostly rely on mechanical mowing and applications of herbicides for weed control in their fields. However, herbicides can be phytotoxic to non-target plants, can cause environment-related issues, and their repeated application can even cause herbicide-resistant weeds. The main objective of this manuscrip ...
DOI:
10.3390/f11050554

17. The Impact of Herbicide Application and Defoliation on Barley Grass (Hordeum murinum subsp. glaucum) Management in Mixed Pasture Legumes

Author:
Kelly, Jane E.; Chambers, Allison J.; Weston, Paul A.; Brown, William B.; Robinson, Wayne A.; Broster, John C.; Weston, Leslie A.
Source:
Agronomy 2020 v.10 no.5
ISSN:
2073-4395
Subject:
annual weeds,   etc   ; Hordeum murinum subsp. glaucum; acetyl-CoA carboxylase; alfalfa; application timing; biomass production; defoliation; environmental factors; fecundity; forage legumes; grasses; herbicide application; herbicide resistance; income; integrated weed management; mowing; ovine carcasses; paraquat; pastures; population density; propaquizafop; seedling emergence; seedlings; simazine; tillering; New South Wales;     Show all 26 Subjects
Abstract:
... Barley grass (Hordeum murinum subsp. glaucum.) is an annual weed associated with grain revenue loss and sheep carcass damage in southern Australia. Increasing herbicide resistance led to a recent investigation into effective integrated weed management strategies for barley grass in southern Australia. Field studies in Wagga Wagga, New South Wales (NSW) during 2016 and 2017 examined the effect of p ...
DOI:
10.3390/agronomy10050671

18. First Report of a Leaf Spot Disease Caused by Alternaria protenta on the Datura stramonium in Serbia

Author:
Blagojević, J.; Janjatović, S.; Ignjatov, M.; Trkulja, N.; Gašić, K.; Ivanović, Ž.
Source:
Plant disease 2020 v.104 no.3 pp. 986
ISSN:
0191-2917
Subject:
annual weeds,   etc   ; Alternaria; DNA primers; Datura stramonium; Solanum tuberosum; agar; agricultural land; conidia; conidiophores; crop production; economic impact; fungi; genes; greenhouses; internal transcribed spacers; invasive species; leaf spot; leaves; pathogenicity; pathogens; polymerase chain reaction; potatoes; relative humidity; sequence analysis; sodium hypochlorite; sporulation; spraying; surveys; Serbia;     Show all 29 Subjects
Abstract:
... Datura stramonium L. (jimsonweed) is an invasive and competitive annual weed and a potential reservoir host of pests and pathogens in agricultural fields. During a survey of potato growing fields in the municipality of Maglić, Vojvodina Province, typical Alternaria symptoms on leaves of D. stramonium were observed among the potato plants in September 2016. The incidence of diseased plants ranged f ...
DOI:
10.1094/PDIS-06-19-1335-PDN

19. Cover Crop Residue Components and their Effect on Summer Annual Weed Suppression in Corn and Soybean

Author:
Pittman, Kara B.; Barney, Jacob N.; Flessner, Michael L.
Source:
Weed science 2020 v.68 no.3 pp. 301-310
ISSN:
0043-1745
Subject:
annual weeds,   etc   ; Amaranthus retroflexus; Digitaria sanguinalis; Glycine max; Ipomoea lacunosa; Zea mays; autumn; biomass; carbon; carbon nitrogen ratio; cash crops; cellulose; control methods; corn; cover crops; crop residues; crop yield; field experimentation; hemicellulose; lignin; mulches; soybeans; summer; total nitrogen; weed control;     Show all 25 Subjects
Abstract:
... Cover crop residue can act as a mulch that will suppress weeds, but as the residue degrades, weed suppression diminishes. Biomass of cover crop residue is positively correlated to weed suppression, but little research is available regarding the composition of cover crop residue and its effect on weed suppression. Field experiments were conducted to determine the impact of cover crop residue proper ...
DOI:
10.1017/wsc.2020.16

20. Effects of different management practices on Portulaca oleracea emergence in soyabean

Author:
Khakzad, R; Alebrahim, M T; Tobeh, A; Oveisi, M; Valiolahpor, R; Tseng, T M
Source:
Weed research 2019 v.59 no.4 pp. 279-287
ISSN:
0043-1737
Subject:
annual weeds,   etc   ; Portulaca oleracea; conventional tillage; crops; field experimentation; geographical distribution; imazethapyr; integrated weed management; no-tillage; seedlings; seeds; sowing; soybeans; summer;     Show all 14 Subjects
Abstract:
... Portulaca oleracea (common purslane) is a summer annual weed with wide geographic distribution and is problematic in many crops worldwide. Field experiments were conducted to determine the effects of different management practices on P. oleracea emergence in soyabean fields. Two tillage systems [conventional tillage (CT) and no‐till (NT)], three soyabean seeding rates (SR) (200 000, 300 000 and 40 ...
DOI:
10.1111/wre.12364