WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Monday, October 22, 2018

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Search results on 10/22/18

1493. Cuthbertson, E.G.. 1969. Chondrilla juncea in Australia. 2. Preplanting weed control and wheat production.. Aust. J. Exp. Agric. Anim. Husb., 9:27-36.
Both lucerne and subterranean clover reduced skeletonweed populations significantly. The yield response comes from the temporary removal of the weed in the presowing period, rather than from the longer term reduction in weed cover. The response on plots with low weed density was not economic. Early suppression of the weed by any means increases grain yield. Critical density would be about 20% ground cover. My experience is that 30% groundcover generally warrants herbicide application. At lower densities, cultivation is more satisfactory.

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