Control of Solatium karsensis in grain sorghum |
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| Authors: | NM MONAGHAN H BROWNLEE |
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| Institution: | Agricultural Research Centre, Forest Road, Orange, N.S. W. 2800, and Agricultural Research Station, P.O. Box 303, Condobolin, N.S.W. 2877, Australia |
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| Abstract: | Solatium karsensis Symon, an Australian native perennial, has become an important weed in irrigated summer crops in far western New South Wales. A screening trial of 14 herbicides showed that atrazine was the most effective treatment, though 2,4-D also suppressed S. karsensis in grain sorghum (Sorghum bicolor L. cv. Rico) for the duration of the crop. Grain sorghum yields were higher in plots treated with atrazine at 2–5 kg (a.i.) ha?1 than for any other herbicide treatment or the untreated control. Because the root system remained viable annual herbicide application would be necessary for the continued control of 5. karsensis. |
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