Год выпуска: 2010 Автор: Fazil Hasan and M Shafiq Ansari Издательство: LAP Lambert Academic Publishing Страниц: 144 ISBN: 9783843369206
Описание
Pieris brassicae (Linn.) is one of the most destructive oligophagous pests of cole crops and causes damage at all the growth stages of plants belonging to Cruciferae. P. brassicae with other pest of cole crops cause damaged which costing up to 1 billion US$ per year in damage and control costs. Hence, it is needed to be control to this pest. Insecticide application against the larval stage of P. brassicae is the primary method of control, but high tolerance to most insecticides and associated environmental problems may jeopardize their continued use. Long-term use of broad-spectrum pesticides may result in outbreaks of pests by destruction of their natural enemies. These drawbacks of synthetic pesticides have increased consumers'' and growers'' interest in natural insecticides originating from plants and their usage has increased in recent years. This book, therefore, provides information of effectiveness of various cole crops and neem oil concentrations on life...
