نتایج جستجو برای: the codling moth
تعداد نتایج: 16054344 فیلتر نتایج به سال:
The response of adult male codling moth to Guthion was surveyed in 20 orchards using a discriminating concentration (0.3 μg/moth) during 2003. A wide range of responses was found with 17 of the populations being statistically categorized as tolerant to Guthion versus our laboratory population. The post-diapause emergence of six populations was measured and a strong correlation was found between...
Our results suggest that the level of pheromone applied per “puff” by the aerosol “puffer” dispenser can be reduced dramatically without any detectable change in the size or shape of the pheromone plume. Reductions by 50% in the active ingredient per puff did not result in any increased trap capture of sterile codling moths downwind of the puffer unit. A substantial, but smaller and narrower, p...
Traps baited with ethyl (E,Z)-2,4-decadienoate (pear ester) or (E)-4,8-dimethyl-1,3,7-nonatriene (DMNT) in two- or three-way combinations with the sex pheromone (E,E)-8,10-dodecadien-1-ol (codlemone) and acetic acid (AA) were evaluated for codling moth, Cydia pomonella (L.). All studies were conducted in apple orchards, Malus domestica Borkhausen, treated with sex pheromone dispensers during 2...
1. Levels of azinphosmethyl (Guthion) resistance were low to moderate in codling moth populations throughout the state. 2. Populations high enough to screen against multiple chemistries had only low levels of resistance, preventing meaningful cross-resistance data for pyrethroids or chlorpyrifos (Lorsban). 3. A population with high azinphosmethyl resistance was identified near Manson during sec...
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