Results 291 to 300 of about 277,169 (316)

EPSPS target site mechanisms confer glyphosate resistance in Arctotheca calendula

open access: yesPest Management Science, EarlyView.
This investigation revealed that the EPSPS gene mutation resulting in Pro‐106‐Ser substitution and EPSPS overexpression endow resistance to glyphosate in the capeweed population. Abstract BACKGROUND The first case of glyphosate resistance was reported in a capeweed population from Western Australia in our previous study. This current study investigates
Norazua Zakaria   +5 more
wiley   +1 more source

Preventative insecticides reduce seedling injury, but do not increase yield in Bt and non‐Bt corn grown in the mid‐Atlantic

open access: yesPest Management Science, EarlyView.
Bacillus thuringiensis (Bt) traits, neonicotinoid seed treatments (NSTs), and in‐furrow pyrethroids (IFPs) can control insect pests of corn, but their target spectrum may be redundant and/or mismatch Mid‐Atlantic pest pressure. Across 9 site‐years insecticide treatments reduced pest damage and sometimes increased plant stand, but never improved yield ...
Maria E Cramer, Kelly A Hamby
wiley   +1 more source

Weed control in yams

open access: yesProceedings of the New Zealand Weed and Pest Control Conference, 1979
openaire   +2 more sources

Attraction of cabbage stem flea beetle (Psylliodes chrysocephala) to host plant odors

open access: yesPest Management Science, EarlyView.
Oilseed rape (Brassica napus, OSR) cultivation in Europe is threatened by the cabbage stem flea beetle (Psylliodes chrysocephala, CSFB). Limited management options due to resistance and environmental concerns necessitate innovative control strategies. This study explores CSFB responses to volatile organic compounds (VOCs) emitted by host and non‐host ...
Daniel Rüde   +3 more
wiley   +1 more source

Comparative transcriptomics reveals different profiles between diflubenzuron‐resistant and ‐susceptible phenotypes of the mosquito Culex pipiens

open access: yesPest Management Science, EarlyView.
Comparative gene expression analysis between susceptible and diflubenzuron‐resistant individuals of the mosquito Culex pipiens revealed transcriptional changes of multiple genes associated with insecticide detoxification and cuticle synthesis. Abstract Background Chitin‐synthesis inhibitors (CSIs) represent a major tool in vector control. The intensive
Mastrantonio Valentina   +7 more
wiley   +1 more source

Weed Invasions: To Control or Not to Control? [PDF]

open access: possibleResearch Papers in Economics, 2004
When a weed invasion is discovered a decision has to be made as to whether to attempt to eradicate it, contain it or do nothing. Ideally, these decisions should be based on a complete benefit-cost analysis, but this is often not possible. A partial analysis, combining knowledge of the rate of spread, seedbank longevity and economic-analysis techniques,
Cacho, Oscar J.   +7 more
openaire   +2 more sources
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Weeds and weed control

1993
Weeds have been a major problem in sugar beet since the crop was first grown in the late 1700s. At the end of the eighteenth century, Achard (1799) was already stressing the need to control weeds before the crop was sown. He also noted that once sugar beet was clear of competition from early-emerging weeds it would grow vigorously and smother weeds ...
Robert G. Wilson, M. J. May
openaire   +2 more sources

Weeds and Weed Control in Coffee

Experimental Agriculture, 1994
SUMMARYThe effects of weeds on coffee productivity and the methods used for their control are discussed. The more common weeds are listed, together with the control methods that can be used at various phases of coffee production.Malezas y control de las mismas en el ...
openaire   +2 more sources

BIOLOGICAL CONTROL OF WEEDS

Annual Review of Entomology, 1998
▪ Abstract  Classical biological control, i.e. the introduction and release of exotic insects, mites, or pathogens to give permanent control, is the predominant method in weed biocontrol. Inundative releases of predators and integrated pest management are less widely used.
openaire   +3 more sources

Mechanical Weed Control

2009
The aim of this chapter is to highlight and focus on novel and promising developments in soil-engaging intra-row hoeing. Conventional weeding tools for intra-row treatments based on selectivity are limited in control efficacy. Four intra-row weeders based on computer-controlled soil-engaging tools are described. They all rely on input information about
Griepentrog, Hans W.   +1 more
openaire   +3 more sources

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