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herbicide injury

Herbicide Injury

June 2, 2023raharris

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu There has been a lot of herbicide injury observed this spring, more than most years. There are several reasons for this, with Mother Nature at the top of the list. There is a selectivity… Continue Reading →

General 31:10, herbicide injury

Physiological Leaf Roll Versus Growth Regulator Herbicide Damage Revisited

June 25, 2021kgyoung

Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Leaf curling, cupping, and rolling in vegetables can be caused by virus diseases, aphid infestations, herbicides and growth regulators. We are currently finding physiological leaf roll and leaf curling due to exposure… Continue Reading →

Vegetable Crops 29:14, herbicide injury, physiological disorders, tomato

Herbicide Injury on Corn

June 19, 2020Emmalea Garver Ernest

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu I have seen a lot of herbicide injury on corn this year, more so than the last few years. In the month of May we had a lot of cool weather and overcast days… Continue Reading →

Agronomic Crops 28:14, field corn, herbicide injury

Valor Tank Clean-Out

June 5, 2020ahoggard

 Mark VanGessel, Extension Weed Specialist; mjv@udel.edu It’s the time of year when sprayers are used for applying soil-applied herbicides in soybeans then moving back into corn fields to spray postemergence herbicides. Be aware that any herbicide containing flumioxazin (i.e. Valor,… Continue Reading →

Agronomic Crops 28:12, field corn weed control, herbicide injury, soybean weed control

Discoloration in Corn Not Likely to be Herbicide Injury

May 15, 2020Emmalea Garver Ernest

Mark VanGessel, Extension Weed Specialist; mjv@udel.edu A lot of emerged corn is growing slowly and looking very pale and with some striping. The stripes may be a wide stripe on each side of the midrib or could be multiple thin… Continue Reading →

Agronomic Crops 28:9, field corn, herbicide injury

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