A review on weed management in groundnut (Arachis hypogea L.).

Priya, R.S. and Chinnusamy, C. and Manickasundaram, P. and Babu, C. (2013) A review on weed management in groundnut (Arachis hypogea L.). International Journal of Agricultural Science and Research (IJASR), 3 (1). pp. 163-171.

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Groundnut or peanut is highly susceptible to weed infestation because of its slow growth in the initial stages upto 40 DAS, short plant height and underground pod bearing habit. Unlike other crops, weeds interfere with pegging, pod development and harvesting of groundnut during different stages of crop growth besides competing for essential resources. Therefore, weeding has to be completed before pegging. Groundnut weeds comprise diverse plant species from grasses to broad-leaf weeds and sedges and cause substantial yield losses (15-75%) which are more in bunch type than in virginia groundnut. Critically viewing, the manual and mechanical methods of weed control, besides being less effective, costly and time demand as well as need to be repeated at frequent intervals. Chemical weed control is a better supplement to conventional methods and forms an integral part of the modern crop production cultivation and in this review, various physical, chemical and mechanical methods that curtail the growth and spread of weeds have been discussed. The common weed management practice for groundnut is pre-emergence application of selective herbicides like pendimethalin or fluchloralin followed by one hand weeding. Thus use of herbicides is one of the options left with the farmers to eliminate crop weed competition at early growth stage of crop. Hence, a brief review is presented on the nature of weed spectrum in groundnut, competition between crops and weeds, their effect on growth and yield, different weed management practices for groundnut

Item Type: Article
Uncontrolled Keywords: Weed Management, Groundnut
Author Affiliation: Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India.
Subjects: Plant Protection
Divisions: Groundnut
Depositing User: Mr B Krishnamurthy
Date Deposited: 06 Jun 2013 14:19
Last Modified: 06 Jun 2013 14:19
URI: http://eprints.icrisat.ac.in/id/eprint/10692

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