Weed Management (Paper Code: 17010403)

Weeds: introduction, classification, propagation, allelopathic and beneficial effects, and dissemination; weed biology and ecology; crop weed association and crop weed competition

Concepts of weed prevention, control and eradication; measure of weed control: physical, cultural, chemical and biological; solarisation, crop, copration integrated weed management.

Herbicides: advantages and limitations of herbicides uses in India; herbicide classification, formulations, method of application; introduction to adjuvants and their uses in herbicides; introduction to selectivity of herbicides;

Weed management in major field and horticultural crops; shift of weed flora in cropping systems, and their control.

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Must know

Identification of terrestrial, aquatic and parasitic weeds; survey of weeds in crop fields and their habitats;

preparation of list of commonly available herbicides; preparation of weed herbarium;

calculations on weed control efficiency and weed index; herbicide label information; computation of herbicide doses;

study of herbicide application equipments and calibrations; demonstration of method of herbicide application;

study of phytotoxicity symptoms of herbicides in different crops; biology of nutsedge, bermudagrass, Echinochloa spp., Phalaris minor, Parthenium and Trianthema; economics of weed control practices;

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Must know

V.S.Rao  Principles of Weed Science .Oxford &IBH.

Gupta O.P. 2009 .Modern Weed Management.