Chemical control of insects

Supervised Control of Insects utilizes parasites and predators and makes chemical control more efficient

Supervised control of field crop insect pests was first developed on the northwest side of the San Joaquin Valley. For three years it has been in successful operation in connection with the control of the alfalfa caterpillar, and has been expanded to the control of other pests on alfalfa and to pests of cotton. Supervised control has not been developed for such crops as deciduous and citrus fru...

Chemical Ecology of Wood-boring Insects

The roles and chemistry of pheromones that mediate reproductive behaviors of cerambycid beetles have received remarkably little attention, given the economic importance of many cerambycid species. Until recently, very few volatile sex pheromones and nonvolatile contact pheromones had been identified. However, that situation is changing rapidly, with the number of identified pheromones more than...

control of the optical properties of nanoparticles by laser fields

در این پایان نامه، درهمتنیدگی بین یک سیستم نقطه کوانتومی دوگانه(مولکول نقطه کوانتومی) و میدان مورد مطالعه قرار گرفته است. از آنتروپی ون نیومن به عنوان ابزاری برای بررسی درهمتنیدگی بین اتم و میدان استفاده شده و تاثیر پارامترهای مختلف، نظیر تونل زنی(که توسط تغییر ولتاژ ایجاد می شود)، شدت میدان و نسبت دو گسیل خودبخودی بر رفتار درجه درهمتنیدگی سیستم بررسی شده اشت.با تغییر هر یک از این پارامترها، در...

Chemical Communication in Insects: Background and Application

The ultimate practical goal of pheromone research on insect tsT to place the communication system on a molecular basis and to use the knowledge to detect, survey, trap, or disrupt the population. The ideal procedure is to identify quantitatively all of the components and to use all or some of them as synthesized chemicals in the emitting device in the field. Some of the problems and pitfalls ar...

اخطار دهنده های شیمیائی در د نیای حشرات Chemical Signals in the world of insects