D V Bhagat
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Plant nematodes attack all crops, causing farmers millions of dollars in crop loss annually. Nematodes also are of great concern to the home-owner, since they cause severe damage to furfgrasses, ornamentals and home gardens. We are often unaware of losses caused by nematodes, since they are hidden from sight and much of the damage caused by them goes unreported or is attributed to other causes. Plant-parasitic namatodes are among the most destructive plant ...
Biological control of pests in agriculture is a method of controlling pests (including insects, mites, weeds and plant diseases) that relies on predation, parasitism, herbivory, or other natural mechanisms. It can be an important component of integrated pest management (IPM) programmes. Biological control is defined as the reduction or protection of pest populations by natural enemies and typically involves an active human role. . Natural enemies of insect pests, ...