IPM1007, Revised November 2009
Atrazine injury on soybeans appears first at the tips and margins of older leaves.
Drift from postemergence applications of atrazine on soybeans or other plants such as ivyleaf morningglory will appear as interveinal chlorosis and necrosis of older leaves first.
Metribuzin damage in corn. Note the necrotic leaf edges.
Soybeans injured from a preemergence application of metribuzin. Note the interveinal necrosis that has occurred on the unifoliate leaves.
Injury from metribuzin on corn appears as chlorosis and necrosis along the leaf edges.
Injury from bromoxynil on soybeans and corn. Notice the necrotic tissue, mostly along the edges of the leaf.
Injury from bentazon on soybeans appears as chlorosis, then necrosis of leaf tissue. Injury on corn appears as necrotic spots and streaks across the upper half of the leaf.
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