Agrochemical applications and their effects on Earias vitella Год выпуска: 2012Автор: Muhammad Shahid Arain,Ghulam Hussain Abro and Li GuoqingИздательство: LAP Lambert Academic PublishingСтраниц: 60ISBN: 9783848449408Описание Earias vitella Fab.(Lepidoptera: Noctuidae) is widely distributed in North Africa, India, Pakistan and is a serious pest of cotton. It causes heavy damage to the American cotton and okra (Abelmoschus esculentus),and some other malvaceous plants. Considering the economic importance of spotted bollworm in our agro ecosystem, an investigation has been carried out to examine the ecotoxicological effects of agrochemicals on the biological parameters of E. vitella (F). Five agrochemicals were applied e.g. Salicylic acid, Pix, Cyhalothrin, Match, Runner, respectively. It may be concluded that among the five agrochemicals evaluation, Match and cyhalothrin were more toxic and have long lasting effects on biological parameters of E. vitella (Fab.) in the laboratory conditions. It is suggested that match and cyhalothrin are the two more toxic insecticides.These should be avoided on vegetables and other crops. Biological and cultural control methods should be practiced for better and safe...
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Olga Огромное Вам спасибо за рефераты, я сегодня их забрала и прочитала, в понедельник поедем сдавать в экстернат. Не могу не сказать Вам, что Вы очень талантливый и тонкий человек. Я хорошо знаю, что образование, каким бы качественным оно не было, не даёт возможности безошибочно почувствовать поставленную задачу. Высокое качество Ваших работ бесспорно, однако меня больше всего поразила точность и артистичность не просто реализации цели и задач исследования, а исполнения специалистСКОЙ по духу работы: в нашем случае это не просто рефераты на заданную тему, а рефераты совершенно определённого качественно (в смысле возраста, уровня образования и т.п.) специалиста. Выражаю Вам своё восхищение, надеюсь на дальнейшее сотрудничество.
