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United States Department of Agriculture

Agricultural Research Service

Title: Weed Control with Brassica Green Manure Crops

Authors
item Al-Khatib, K - KANSAS STATE UNIV
item Boydston, Rick

Submitted to: Book Chapter
Publication Type: Book / Chapter
Publication Acceptance Date: June 1, 1998
Publication Date: March 1, 1999
Citation: AL-KHATIB, K., BOYDSTON, R.A. WEED CONTROL WITH BRASSICA GREEN MANURE CROPS. CHAPTER IN ALLELOPATHY UPDATE, VOLUME 2, BASIC AND APPLIED ASPECTS, ED. S.S. NARWAL, OXFORD & IBH PUBLISHING CO PVT LTD. 1999.

Technical Abstract: Fall-planted Brassica species can suppress weeds, nematodes, insects, and diseases in crop rotations. Pest suppression is often attributed to decomposition products of the Brassica cover crop. Some of the main decomposition products of Brassicas are istohthiocyanates which are derived from hydrolysis of glucosinolates present in the plant tissue. The quantity and chemistry of hydrolysis products of glucosinolates depends upon plant part, plant age and environmental conditions. Allyl isothiocyanate is a potent inhibitor of weed seed germination and weed seedling growth.

Last Modified: 12/17/2014
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