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Russian Thistle (Salsola iberica) Growth and Development in Wheat (Triticum aestivum)

Published online by Cambridge University Press:  12 June 2017

Frank L. Young
Frank L. Young*
Affiliation:
U.S. Dep. Agric. Agric. Res. Serv., 215 Johnson Hall, Washington State Univ., Pullman, WA 99164
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Abstract

A 2-yr field study was conducted to measure the growth and development of Russian thistle (Salsola iberica Sennen and Pau # SASKR) in the growing crops of winter and spring wheat (Triticum aestivum L.) and after harvest of these crops. In herbicide-free conditions, few Russian thistle seedlings emerged in winter wheat. Only 50% of these plants survived compared to 92 and 95% survival in spring wheat and crop-free treatments, respectively. Compared to growth in the crop-free treatment, both wheat types suppressed oven-dry weight, height, and width of Russian thistle plants during the crop-growing season and after crop harvest. During the crop-growing season, winter wheat suppressed Russian thistle height and width more than spring wheat. After crop harvest, oven-dry weight of Russian thistle plants grown in winter wheat stubble was suppressed 75% compared to plants grown in spring wheat stubble. Russian thistle plants grown in crop-free, spring wheat, and winter wheat treatments produced 152 100, 17 400, and 4 600 seeds/plant, respectively.

Keywords

Crop-growing seasonpostharvest growth periodseedling emergenceseedling survivalseed productionSASKR
Type
Weed Biology and Ecology
Information
Weed Science , Volume 34 , Issue 6 , November 1986 , pp. 901 - 905
Copyright
Copyright © 1986 by the Weed Science Society of America 

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References

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