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Weed science
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Avena sativa
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- Author:
- Margaret R. McCollough; Eric R. Gallandt; Thomas Molloy
- Source:
- Weed science 2020 v.68 no.3 pp. 294-300
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Linum usitatissimum; Pisum sativum; Triticum aestivum; crop rotation; crop yield; field experimentation; flax; grain crops; harrowing; hoeing; interspecific competition; intraspecific competition; oats; organic foods; peas; planting; sowing; spring wheat; weed control; weeds; Maine
- Abstract:
- ... The long-term success of weed management programs requires that all crops in a rotation receive satisfactory weed control. Band sowing with inter-band hoeing has been proposed as an innovative weed management strategy for grain crops. In the band-sowing system, crops are sown in a broadcast pattern within a band of some chosen width (here we selected 12.7 cm); weeds between bands are controlled wi ...
- DOI:
- 10.1017/wsc.2020.18
- https://doi.org/10.1017/wsc.2020.18
- Author:
- Haramoto Erin R.; Gallandt Eric R.
- Source:
- Weed science 2005 v.53 no.5 pp. 695-701
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Brassica napus; Fagopyrum esculentum; Nematoda; Sinapis alba; Trifolium incarnatum; bioassays; buckwheat; canola; cover crops; fallow; field experimentation; fungi; glucosinolates; insects; oats; plant establishment; plant growth; seedling emergence; toxicity; weed control; weeds
- Abstract:
- ... The Brassicaceae contain glucosinolates, which hydrolyze to form compounds toxic to plants, fungi, nematodes, and certain insects. Lower weed density and biomass in crops grown following incorporation of brassica cover crops suggest that they may contribute to weed management in agricultural systems. Field experiments were conducted to determine whether incorporated brassica cover crops, including ...
- DOI:
- 10.1614/WS-04-162R.1
- https://doi.org/10.1614/WS-04-162R.1
- Author:
- Abbaspoor Majid; Streibig Jens C.
- Source:
- Weed science 2005 v.53 no.1 pp. 1-9
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Hordeum vulgare; barley; biomass; chlorophyll; fluorescence; greenhouse experimentation; oats; photosystem II; plant development; screening; weed science
- Abstract:
- ... Clodionafop, an acetyl-coenzyme A carboxylase (ACCase) inhibitor, changed the shape of the chlorophyll fluorescence induction curve (Kautsky curve) in barley and oat in greenhouse experiments. Biomass ED₅₀, based on log-logistic dose––response curves, for barley was considerably higher than that for oat in all experiments. Biomass ED₅₀ and relative potency (ED₅₀ [[barley]]/ED₅₀ [[oat]]) were consi ...
- DOI:
- 10.1614/WS-04-131R
- https://doi.org/10.1614/WS-04-131R
- Author:
- Shearin Amanda F.; Chris Reberg-Horton S.; Gallandt Eric R.
- Source:
- Weed science 2008 v.56 no.3 pp. 442-450
- ISSN:
- 0043-1745
- Subject:
- seed predation; Harpalus rufipes; Pisum sativum; population dynamics; insect behavior; peas; biological control agents; population density; mark-recapture studies; conventional tillage; crop residues; fallow; Secale cereale; rye; Vicia; weeds; oats; cover crops; Avena sativa; conservation tillage
- Abstract:
- ... Cover crop systems were investigated in 2004 and 2005 for their effects on the activity-density (a function of movement and density) of a promising group of weed biocontrol organisms, the ground beetles collectively known as carabids, with particular emphasis on a beneficial carabid species Harpalus rufipes DeGeer. Marked H. rufipes released into pea/oat––rye/vetch cover crop plots were more than ...
- DOI:
- 10.1614/WS-07-137.1
- https://doi.org/10.1614/WS-07-137.1
- Author:
- Cardina John; Herms Catherine P.; Doohan Douglas J.
- Source:
- Weed science 2002 v.50 no.4 pp. 448-460
- ISSN:
- 0043-1745
- Subject:
- no-tillage; Oxalis; Persicaria pensylvanica; Veronica; Capsella bursa-pastoris; hay; Euphorbia maculata; Setaria faberi; Zea mays; Glycine max; seeds; Chenopodium album; corn; species diversity; weeds; crop rotation; plant communities; oats; herbicides; soybeans; growing season; plows; Avena sativa; Amaranthus retroflexus; crops; Ohio; Pennsylvania
- Abstract:
- ... We characterized the size and species composition of the weed seedbank after 35 yr of continuous crop rotation and tillage system treatments at two locations in Ohio. Spring seedbanks were monitored during 1997, 1998, and 1999 in continuous corn (CCC), corn––soybean (CS), and corn––oats––hay (COH) rotations in moldboard plow (MP), chisel plow (CP), and no-tillage (NT) plots where the same herbicid ...
- DOI:
- 10.1614/0043-1745(2002)050[0448:CRATSE]2.0.CO;2
- https://doi.org/10.1614/0043-1745(2002)050[0448:CRATSE]2.0.CO;2
- Author:
- Dilshan I. Benaragama; William E. May; Robert H. Gulden; Christian J. Willenborg
- Source:
- Weed science 2022 v.70 no.2 pp. 220-234
- ISSN:
- 0043-1745
- Subject:
- Avena fatua; Avena sativa; Galium spurium; Hordeum vulgare; Linum usitatissimum; Medicago sativa; Secale; Triticum aestivum; alfalfa; crop rotation; flax; functional diversity; herbicides; silage; triticale; weed control; wheat; wild oats; Canada
- Abstract:
- ... Wild oat (Avena fatua L.) and false cleavers (Galium spurium L.) are currently a challenge to manage in less competitive crops such as flax (Linum usitatissimum L.). Increasing the functional diversity in crop rotations can be an option to improve weed management. Nonetheless, this strategy had not been tested in flax in western Canada. A 5-yr (2015 to 2019) crop rotation study was carried at thre ...
- DOI:
- 10.1017/wsc.2021.79
- https://doi.org/10.1017/wsc.2021.79
- Author:
- Misha R. Manuchehri; E. Pat Fuerst; Stephen O. Guy; Bahman Shafii; Dennis L. Pittmann; Ian C. Burke
- Source:
- Weed science 2020 v.68 no.6 pp. 646-653
- ISSN:
- 0043-1745
- Subject:
- Avena fatua; Avena sativa; Hordeum vulgare; Lens culinaris; Mediterranean climate; Pisum sativum; Triticum aestivum; barley; biomass; crop production; crops; experimental design; growth and development; lentils; peas; spring; weed control; wheat; wild oats
- Abstract:
- ... Weed management during spring crop production in eastern Washington presents many challenges. Many spring crops are weak competitors with weeds. In May of 2010 and 2011, two spring crop trials were initiated near Pullman, WA, to compare the relative competitiveness of barley (Hordeum vulgare L.), wheat (Triticum aestivum L.), lentil (Lens culinaris Medik.), and pea (Pisum sativum L.) using cultiva ...
- DOI:
- 10.1017/wsc.2020.56
- https://doi.org/10.1017/wsc.2020.56
- Author:
- Kleemann Samuel G. L.; Preston Christopher; Gill Gurjeet S.
- Source:
- Weed science 2016 v.64 no.2 pp. 303-311
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Lolium rigidum; Pisum sativum; Triticum aestivum; clethodim; cropping sequence; cropping systems; crops; field experimentation; grain yield; hay; oats; peas; plant density; profitability; seed set; seeds; trifluralin; weed control; weeds; wheat; Australia
- Abstract:
- ... A field study was undertaken to investigate the influence of different management strategies on rigid ryegrass plant density and seedbank dynamics over 4 yr. Even though weed seedbank declined by 86% after oaten hay in year 1, the residual seedbank enabled rigid ryegrass to reinfest field peas the next year, and the population rebounded sharply when weed control relied solely on PPI trifluralin. H ...
- DOI:
- 10.1614/WS-D-15-00119.1
- https://doi.org/10.1614/WS-D-15-00119.1
- Author:
- Willenborg Christian J.; May William E.; Gulden Robert H.; Lafond Guy P.; Shirtliffe Steven J.
- Source:
- Weed science 2005 v.53 no.3 pp. 342-352
- ISSN:
- 0043-1745
- Subject:
- Avena fatua; Avena sativa; field experimentation; grain yield; heat sums; herbicides; models; oats; planting; prediction; reproductive performance; weeds; Saskatchewan
- Abstract:
- ... Wild oat is a serious weed in cultivated oat because there are no herbicides to selectively control it. Considering the effect of time of emergence on weed––crop interference is critical for the development of accurate crop yield loss models and weed density thresholds. Therefore, field experiments were conducted at two locations in Saskatchewan, Canada, in 2002 and 2003 to determine the effect of ...
- DOI:
- 10.1614/WS-04-124R1
- https://doi.org/10.1614/WS-04-124R1
- Author:
- Ryan Matthew R.; Smith Richard G.; Mirsky Steven B.; Mortensen David A.; Seidel Rita
- Source:
- Weed science 2010 v.58 no.3 pp. 265-277
- ISSN:
- 0043-1745
- Subject:
- sowing date; wheat; weed control; long term experiments; Triticum aestivum; soil fertility; case studies; composted manure; organic production; weed biology; crop production; Zea mays; Glycine max; plant growth; quantitative analysis; corn; species diversity; seedling emergence; crop-weed competition; crop management; seed germination; plant communities; oats; tillage; soybeans; Avena sativa; buried seeds; Pennsylvania
- Abstract:
- ... Community assembly theory provides a useful framework to assess the response of weed communities to agricultural management systems and to improve the predictive power of weed science. Under this framework, weed community assembly is constrained by abiotic and biotic ““filters”” that act on species traits to determine community composition. We used an assembly approach to investigate the response ...
- Handle:
- 10113/45537
- DOI:
- 10.1614/WS-D-09-00054.1
- https://doi.org/10.1614/WS-D-09-00054.1
- Author:
- Mercer Kristin L.; Jordan Nicholas R.; Wyse Donald L.; Shaw Ruth G.
- Source:
- Weed science 2002 v.50 no.5 pp. 677-685
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Elymus repens subsp. repens; Glycine max; Zea mays; arable soils; control methods; corn; evolution; farming systems; genetic variation; hay; oats; pastures; perennials; principal component analysis; risk; soybeans; weed control; weeds; Minnesota
- Abstract:
- ... The genetic variation of quackgrass as a species and the array of environments in which it is found indicate that selection in these different environments could lead to differentiation among quackgrass populations. Yet, a highly diverse environment might not promote the genetic divergence of quackgrass if it poses contradictory selection pressures. To assess the extent of divergence among quackgr ...
- DOI:
- 10.1614/0043-1745(2002)050[0677:MDOQER]2.0.CO;2
- https://doi.org/10.1614/0043-1745(2002)050[0677:MDOQER]2.0.CO;2
12. Residual Herbicide Dissipation from Soil Covered with Low-Density Polyethylene Mulch or Left Bare
- Author:
- Grey Timothy L.; Vencill William K.; Mantripagada Nehru; Culpepper A. Stanley
- Source:
- Weed science 2007 v.55 no.6 pp. 638-643
- ISSN:
- 0043-1745
- Subject:
- cotton; plastic film mulches; sulfentrazone; oats; Gossypium hirsutum; halosulfuron; herbicide residues; bioassays; losses from soil; metolachlor; Avena sativa; field experimentation; environmental fate; half life; Georgia
- Abstract:
- ... Field studies were conducted to examine the dissipation of three soil-applied residual herbicides for bare soil compared with soil under low-density polyethylene (LDPE) mulch in 2003 and 2004. Studies indicated that halosulfuron and S-metolachlor dissipation was more rapid for bare soil than soil under LDPE mulch. Sulfentrazone dissipation from bare soil was equal to soil under LDPE mulch in 2003. ...
- DOI:
- 10.1614/WS-06-208.1
- https://doi.org/10.1614/WS-06-208.1
- Author:
- Sosnoskie Lynn M.; Herms Catherine P.; Cardina John; Webster Theodore M.
- Source:
- Weed science 2009 v.57 no.3 pp. 261-270
- ISSN:
- 0043-1745
- Subject:
- Glycine max; soybeans; Zea mays; corn; glyphosate; herbicide resistance; field experimentation; crop rotation; conventional tillage; buried seeds; weeds; plant communities; botanical composition; long term experiments; Avena sativa; oats; hay; forage crops; plant density; no-tillage; minimum tillage; postemergent weed control; Ohio
- Abstract:
- ... The compositions of the germinable weed seedbank and aboveground weed communities in a long-term tillage and rotation study were characterized 4, 5, and 6 yr (2002 to 2004) after the adoption of glyphosate-tolerant corn and soybean. Averaged across rotation, mean germinable weed seed density and diversity were greatest in the no-tillage treatment as compared to the minimum- and conventional-tillag ...
- Handle:
- 10113/30761
- DOI:
- 10.1614/WS-08-147.1
- https://doi.org/10.1614/WS-08-147.1
- Author:
- Wedryk Stephanie; Cardina John
- Source:
- Weed science 2012 v.60 no.4 pp. 618-623
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Cirsium arvense; Glycine max; Helianthus annuus; Sorghum bicolor subsp. drummondii; aboveground biomass; annual weeds; crops; field experimentation; growth and development; oats; planting date; roots; soybeans; weather; weed control
- Abstract:
- ... Canada thistle poses a particular threat to organic producers in temperate agriculture due to its ability to reproduce through an extensive system of underground roots. The Canada thistle life cycle, growth, and development are seasonally affected, and exploiting this biology may be useful for weed management. The objective of this study was to evaluate smother crop mixtures, seeded at different t ...
- DOI:
- 10.1614/WS-D-11-00140.1
- https://doi.org/10.1614/WS-D-11-00140.1
- Author:
- Erin R. Haramoto; Daniel C. Brainard
- Source:
- Weed science 2017 v.65 no.1 pp. 151-163
- ISSN:
- 0043-1745
- Subject:
- Amaranthus powellii; Avena sativa; amaranth grain; cover crops; crop residues; environmental factors; field experimentation; irrigation; oats; planting date; rain; rainfall simulation; seeds; strip tillage; temporal variation; weeds
- Abstract:
- ... The objectives of this research were to evaluate temporal and spatial variability in the impact of strip tillage and oat cover crop residue on Powell amaranth emergence and to determine the role of rainfall in mediating these effects. In field experiments conducted in 2010, 2011, and 2012, Powell amaranth seeds were sown in a fully factorial combination of two tillage types (strip tillage [ST] vs. ...
- DOI:
- 10.1614/WS-D-16-00082.1
- https://doi.org/10.1614/WS-D-16-00082.1
- Author:
- Watson Paul R.; Derksen Douglas A.; Van Acker Rene C.
- Source:
- Weed science 2006 v.54 no.4 pp. 783-792
- ISSN:
- 0043-1745
- Subject:
- barley; Hordeum vulgare; oats; field experimentation; height; grain yield; Avena sativa; crop-weed competition; dwarf cultivars; Manitoba
- Abstract:
- ... Using competitive crops and cultivars can be an important integrated weed management (IWM) tool, useful in both conventional and low-external-input (LEI) farming systems. Barley is considered a competitive crop, but cultivar competitiveness varies. There are two aspects of cultivar competitive ability; the ability to compete (AC) and the ability to withstand competition (AWC). However, the relatio ...
- DOI:
- 10.1614/WS-05-020R3.1
- https://doi.org/10.1614/WS-05-020R3.1
- Author:
- Chauhan Bhagirath S.; Gill Gurjeet; Preston Christopher
- Source:
- Weed science 2006 v.54 no.5 pp. 941-947
- ISSN:
- 0043-1745
- Subject:
- minimum tillage; no-tillage; Lolium rigidum; depth; direct seeding; field experimentation; roots; weed control; bioavailability; soil chemistry; pesticide residues; grass weeds; temporal variation; quantitative analysis; bioassays; trifluralin; grain crops; oats; soil treatment; Avena sativa; buried seeds; South Australia
- Abstract:
- ... Trifluralin is widely used for control of rigid ryegrass in no-till grain crops in southern Australia. Trifluralin must be incorporated into soil to be effective. Several field studies were conducted to evaluate the effect of different tillage systems on vertical seed distribution and efficacy and rate of loss of bioavailable trifluralin. Experiments were conducted during the growing seasons of 20 ...
- DOI:
- 10.1614/WS-06-027R.1
- https://doi.org/10.1614/WS-06-027R.1
- Author:
- Ashley B. Jernigan; Brian A. Caldwell; Stéphane Cordeau; Antonio DiTommaso; Laurie E. Drinkwater; Charles L. Mohler; Matthew R. Ryan
- Source:
- Weed science 2017 v.65 no.5 pp. 639-649
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Cucurbita maxima; Echinochloa; Lactuca sativa; Solanum tuberosum; Sorghum bicolor subsp. drummondii; bioassays; biomass; cabbage; community structure; cover crops; crop rotation; fallow; lettuce; millets; oats; organic foods; organic production; potatoes; ridge tillage; seed dispersal; soil; soil sampling; sowing; vegetable growing; weed control; weeds; winter squashes; New York
- Abstract:
- ... Weed management is a major constraint in organic cropping systems. In 2004, the Cornell Organic Vegetable Cropping Systems Experiment was established in central New York state using a split-plot randomized complete block design with two crop rotation entry points (split-plot factor). Four organic vegetable cropping systems that varied in cropping intensity and tillage (main plot factor) were compa ...
- Author:
- Barbara Baraibar; Mitchell C. Hunter; Meagan E. Schipanski; Abbe Hamilton; David A. Mortensen
- Source:
- Weed science 2018 v.66 no.1 pp. 121-133
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Brassica napus; Pisum sativum subsp. sativum var. arvense; Raphanus sativus; Secale cereale; Trifolium pratense; Triticum aestivum; Zea mays; annuals; autumn; biomass production; canola; cash crops; corn; cover crops; ecosystem services; farmers; forage; germination; grasses; legumes; oats; planting; population growth; radishes; rye; seed dispersal; spring; weed control; weeds; winter; winter wheat; winterkill
- Abstract:
- ... Interest in planting mixtures of cover crop species has grown in recent years as farmers seek to increase the breadth of ecosystem services cover crops provide. As part of a multidisciplinary project, we quantified the degree to which monocultures and mixtures of cover crops suppress weeds during the fall-to-spring cover crop growing period. Weed-suppressive cover crop stands can limit weed seed r ...
- Author:
- Sosnoskie Lynn M.; Herms Catherine P.; Cardina John
- Source:
- Weed science 2006 v.54 no.2 pp. 263-273
- ISSN:
- 0043-1745
- Subject:
- Avena sativa; Glycine max; Medicago sativa; Zea mays; alfalfa; alternative crops; community structure; corn; cropping sequence; discriminant analysis; disturbed soils; hay; management systems; minimum tillage; multivariate analysis; no-tillage; oats; seeds; soybeans; species diversity; weeds; Ohio
- Abstract:
- ... Knowledge about how the type, timing, and arrangement of cultural practices influence weed species composition is important for understanding the ecological results of control strategies and designing alternative crop management systems. We evaluated weed seed density, diversity, and community composition from 1997 to 1999 in a 35-yr-old study comparing cropping sequences (continuous corn, corn–so ...
- DOI:
- 10.1043/0043-1745(2006)54[263:WSCCIA]2.0.CO;2
- https://doi.org/10.1043/0043-1745(2006)54[263:WSCCIA]2.0.CO;2