e-journal
Field Bindweed Control in Field Crops and Fallow
Summary.
1. Uncontrolled field bindweed is a deep-rooted perennial weed that severely reduces crop yields and land value.
2. The most effective control program includes preventive measures over several years in conjunction with timely tillage and herbicide applications. Closely drilled, vigorous,competitive crops such as winter wheat or forage sorghum may also aid control.
3. Banvel, Tordon, 2,4-D, Roundup, and Landmaster products alone or in various combinations are registered
for suppression or control of field bindweed in fallow and/or in certain crops, pastures, and rangeland. Apply each herbicide or herbicide mixture according to directions, warnings, and precautions on the product
label(s). Single herbicide applications rarely eliminate established bindweed stands.
4. Applications of 2,4-D, Roundup, and Landmaster products are most effective when spring-applied to vigorously growing field bindweed in mid to full bloom. However, Banvel and Tordon applications are most effective when applied in the fall. Most herbicide treatments are least effective when applied in midsummer
or when bindweed plants are stressed.
5. Tillage sooner than 3 weeks after treatment may reduce bindweed control with some herbicides. Tillage after Landmaster products are applied may reduce their suppression of field bindweed.
6. Preharvest applications of 2,4-D may be made to winter wheat to prevent or reduce bindweed seed production. The most effective post-harvest applications include combinations of Tordon, Banvel, or 2,4-D.
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