Herbicide Injury: Sencor (Triazine Herbicides) injury on Soybeans
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Metribuzin can injury soybeans through root uptake or more commonly by splash-up on the leaves. Root growth may be reduced. Heavy rains can splash herbicide from the soil surface on the leaf, causing injury. Fields with high soil pH or low orgainic matter soils will show more injuries. In some cases, older leaves may die and fall off while newer leaves are not injured. Yield effects are minimal unless the plants are killed. Some varieties are sensitive to metribuzin.
Excerpt from Agronomy Guide for Field Crops
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