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crop injury

Dry Condition Can Affect Herbicide Efficacy, Crop Injury

non-drought stressed pigweed

• By Stanley Culpepper • Dry conditions across the region are influencing both weed control and cotton injury. Weed Control: Most weeds, especially Palmer amaranth, become more tolerant to topically applied herbicides under dry conditions. A thicker wax layer on the leaf (stem) surface, dust on the leaf surface, and leaf closure or stem rolling can reduce herbicide uptake and ... Read More »

Critical Management Period

missouri cotton flower

By mid-June, we reached a critical time for our cotton crop in terms of preserving yield potential as a result of moisture stress. This is not the norm for Arkansas. Some fields continued to produce nodes close to what was expected. However, many fields of all ages across the state exhibited a big slowdown in node production, indicating the need ... Read More »