Control of johnsongrass (sorghum halepense) in cotton fields |
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Authors: | Y Kleifeld T Blumenfeld A Bargutti |
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Institution: | 1. Dept. of Weed Research, ARO, Newe Ya’ar Experiment Station, P.O. Haifa, Israel
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Abstract: | Control of johnsongrass (Sorghum halepense (L.) Pers.) in cotton fields was achieved by the combined action of two herbicides: 1.5 kg/ha trifluralin incorporated preplanting prevented emergence of seedlings throughout the cotton growth season and reduced the vigor of rhizomes; and 1.25 kg/ha fluaziflop applied postemergence to the cotton crop selectively inhibited the growth of established rhizomes of the grass and completed the control. Reducing the spray volume for fluazifop from 300 to 200 1/ha resulted in efficient control of johnsongrass with lower rates of the herbicide. |
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