Results 111 to 120 of about 268 (137)

Multispectral fine-grained classification of blackgrass in wheat and barley crops

Computers and Electronics in Agriculture
As the burden of herbicide resistance grows and the environmental costs of excessive herbicide use become clear, new approaches to managing weed populations are needed. This is particularly true for cereal crops, like wheat and barley, that are staple foods and occupy a globally significant share of farmland.
A Cengiz Oztireli, Madeleine Darbyshire, Simon Parsons   +2 more
exaly   +4 more sources

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Biochemical data on blackgrass prolamines and their importance for taxonomic purposes

Biochemical Systematics and Ecology, 1981
Abstract Prolamines (alcohol-soluble proteins) were shown to occur in Alopecurus myosuroides , seeds, making up 13% of the total nitrogen. They were isolated using sequential solubility, characterized by amino acid composition, molecular weight and electrophoretic behaviour in various systems, and compared with wheat α-gliadin and oat α-avenin.
Darmency, Henri, Landry, J.
openaire   +3 more sources

Managing Herbicide-resistant Blackgrass (Alopecurus Myosuroides): Theory and Practice

Weed Technology, 2007
Blackgrass is the most important herbicide-resistant weed in Europe, occurring in 10 countries. Enhanced metabolism is the most common mechanism, conferring partial resistance to a wide range of herbicides, but acetyl-CoA carboxylase (ACCase) target-site resistance also occurs widely.
Moss, S. R., Perryman, S. A. M., Tatnell, L. V.   +2 more
exaly   +2 more sources

Inheritance of fenoxaprop-P-ethyl resistance in a blackgrass (Alopecurus myosuroides Huds.) population

Theoretical and Applied Genetics, 2001
A blackgrass population has developed resistance to fenoxaprop-P-ethyl following field selection with the herbicide for 6 consecutive years. Within this population, 95% of the individuals are also resistant to flupyrsulfuron. Both the inheritance(s) and the mechanism(s) of resistances were investigated by making crosses between the resistant and a ...
J Gasquez
exaly   +2 more sources

Degradation and Metabolism of Fenoxaprop and Mesosulfuron + Iodosulfuron in Multiple Resistant Blackgrass (Alopecurus myosuroides)

Gesunde Pflanzen, 2015
Whole-plant glasshouse experiments were conducted to examine herbicide resistance in selected populations of blackgrass (Alopecurus myosuroides HUDS.). Three populations with either non-target-site resistance (NTSR) or target-site resistance (TSR) showed reduced sensitivity to the herbicides fenoxaprop and mesosulfuron + iodosulfuron.
Yasmin Isabelle Kaiser, Roland Gerhards
openaire   +1 more source

Factors effecting the performance of metoxuron and chlortoluron in controlling blackgrass in winter wheat

Weed Research, 1976
Summary:Blackgrass (Alopecurus myosuroides Huds.) was controlled by 2 kg/ha of metoxuron in glasshouse trials while winter wheat, cultivar Cappelle Desprez, tolerated 4 kg/ha. Blackgrass was controlled by 1.2 kg/ha of chlortoluron. Winter wheat previously damaged by freezing was injured by 2.5 kg/ha of chlortoluron applied at an early stage.
J. D. BANTING, W.G. RICHARDSON, J. HOLROYD   +2 more
exaly   +2 more sources

Evaluation of cropping systems for management of herbicide-resistant populations of blackgrass (Alopecurus myosuroides Huds.)

Crop Protection, 2001
Abstract Simplification of cropping systems often leads to an increase in weed populations which require an intensive use of herbicides to maintain populations at an acceptable level. Due to a heavy reliance on herbicides and a lack of cultural control measures, herbicide-resistant blackgrass (Alopecurus myosuroides Huds.) biotypes appeared recently ...
Nathalie Colbach, J Gasquez
exaly   +3 more sources

The impact of uptake, translocation and metabolism on the differential selectivity between blackgrass and wheat for the herbicide pyroxsulam

Pest Management Science, 2010
AbstractBACKGROUND: Wheat shows selectivity to pyroxsulam, a new broad‐spectrum herbicide with high activity on blackgrass. Studies were performed to establish whether uptake, translocation or metabolism were responsible for the differential activity in wheat compared with blackgrass.
Gerrit J, DeBoer, Scott, Thornburgh, Jeff, Gilbert, Roger E, Gast   +3 more
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Survey of the presence of wild oat and blackgrass in parts of the United Kingdom

Weed Research, 1974
Summary:The survey was carried out over an area representing about 47% of the cereal acreage of the United Kingdom.Estimates of the acreage of fields containing wild oat (Avena fatua L. and A. ludoviciana Dur) ranged from 15% (Northern Ireland) to 74% (England, South West Region).
openaire   +1 more source

Studies on the chemical control of blackgrass (Alopecurus myosuroides Huds.) in winter wheat in the West Midlands

Weed Research, 1982
SummaryIn trials carried out in 1978–80, blackgrass populations in winter wheat growing on heavy soil were substantially reduced by all chemical treatments tested, the least effective being methabenzthiazuron. Wild oat populations were also reduced by all treatments except chlofop‐isobutyl and methabenzthiazuron.
L. R. K. SCOUREY, I. YOUNG, J. B. PAGE
exaly   +2 more sources