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herbicide application

Early Postemergence Herbicide Applications for Soybeans

June 2, 2017cmanneri

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu I have been asked about weed control options for soybeans that were planted and did not get any preemergence herbicides applied before the soybeans have emerged. Glyphosate or Liberty can be used on Roundup… Continue Reading →

Agronomic Crops herbicide application, soybean, soybean weed control

Have You Checked Your Corn for Weed Control?

June 2, 2017cmanneri

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Everyone is behind and trying to make up for lost time. Before you get too far into planting more fields, be sure to check your early-planted crops. We have had a fair bit of… Continue Reading →

Agronomic Crops field corn, field corn weed control, herbicide application

Postemergence Herbicides for Sweet Corn

June 2, 2017cmanneri

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Options for postemergence weed control in sweet corn is limited. Be sure to consider what weeds are present and how big they are, the size of the sweet corn, what is to be planted… Continue Reading →

Vegetable Crops herbicide application, sweet corn

Use Caution When Selecting Adjuvants

May 12, 2017cmanneri

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu The weather patterns lately have resulted in situations where the risk of crop injury from postemergence herbicides is higher. Specifically, prolonged periods of overcast skies, cooler weather, and plenty of rain. If postemergence herbicides… Continue Reading →

General 25:7, herbicide application, herbicide injury, weather

Corn Height Restrictions for Postemergence Herbicides

May 12, 2017cmanneri

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu Corn herbicides need to be applied at the correct timing to avoid crop injury; and the weeds need to be small (3-4 inches depending on the herbicide) for effective control. Many labels state from… Continue Reading →

Agronomic Crops 25:7, field corn, herbicide application, herbicide injury

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