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Wild Oats Seed Longevity and Production

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Title: Wild Oats Seed Longevity and Production
Author: Gillespie, Greg; Nalewaja, John D.; Miller, Stephen D.
Description: Wild oats continues to be the most troublesome weed in the North Great Plains of the USA and Canada. Wild oats were imported by early settlers and it flourished eventually spreading to over 48 million acres in both the US and Canada in 1985, which cost over $300-500 million annual losses in the USA and $970 million of losses due to it's reduction of other crops yields. Dormant seed is problematic in it's reduction of planted crop yields. Wild oat seed can lay dormant for many years in the soil. The principal goal of the research addressed in this article was to develop information on wild oats seed longevity and seed production under several cropping and herbicide systems. seed longevity as influenced by depth of seed burial,tillage practices, soil fertility and environmental conditions. Those fields mos heavily infested would mandate hte most intensive control inputs combining competitive crops, reduced plowing and the use of herbicides to reduce seed reserves in the soil to levels where intensive control measures are mandated. Seeds buried deepest present the greatest problem to eradicate and can lay dormant up to nine years.
Date: 1985
Subject: Weeds
Permalink: http://hdl.handle.net/10365/5656

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