книги Наука, техника, медицина Техника Сельское хозяйство

APHID PARASITOID COMMUNITIES. The Pattern of an Aphid-Parasitoid Community in Field and Horticultural Crops in Rawalpindi Division, Pakistan

Код 1431959

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Аннотация к книге "APHID PARASITOID COMMUNITIES. The Pattern of an Aphid-Parasitoid Community in Field and Horticultural Crops in Rawalpindi Division, Pakistan"

This book describes the pattern of an aphid parasitoid community in field and horticultural crops in Rawalpindi division. Aphids are the serious pest of field and horticultural crops in Pakistan. They not only lower the yield of crops but also serve as the vector of plant viral diseases. In Pakistan, aphids have mostly been restricted by insecticidal applications. Nevertheless, due to undesirable effects of insecticides, total dependence on them can not be made. The parasitoid represents an...

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Издательство: Книга по требованию
Дата выхода: июль 2011
ISBN: 978-3-6393-0057-4
Объём: 112 страниц
Масса: 190 г
Размеры(высота, ширина, толщина), см: 23 x 16 x 1

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