Chemical Control Of The Cotton Leafworm Spodoptera littoralis (Boisd) Год выпуска: 2012Автор: Adel EL-Sayed Abd El-Razek HatemИздательство: LAP Lambert Academic PublishingСтраниц: 128ISBN: 9783659173929Описание The health and environmental problems and increasing insect resistance to many of these synthetic pesticides, clearly indicate that basic research must be directed to search for new and more safer approaches or/and types of pest control agents. Pest control represents a critical factor and highly productive inputs for increasing crop yields and preventing crop losses before and after harvest. This book,therefore, provides a, 1- Certain additives in pesticide formulations would improve their field performance and increase the bioactivity against insect pests. 2- Plants for naturally occurring chemicals affecting insects may provide another new extra approach for insect control where many crude plant extracts and derivatives have been tested on notoriously devasting insect species
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Alanya, 27.01 Добрый вечер, спасибо вам, мы все сдали Николай отлично, я хорошо Дмитрий хорошо, еще раз спасибо )))
