1. If 2,4-D is used, the vegetable corn leaves can be curled into onion leaves and the lower stems and leaves cluster together, and the aerial root volume does not come in contact with the soil.
2. Excessive application of phoxim can cause local or large part of the leaves of vegetable corn to turn white, causing the leaves to dry and freeze-like.
3, the use of pesticides or herbicides, more than a certain concentration, the vegetable corn leaves to form an abnormal color of the leaf spot, such as white spots or brown spots. The buds and roots are curled or thickened, the growth of the plants is inhibited, the temporal lobe is shortened or the grains are exposed.
4. Excessive use of chemical fertilizers or excessive application of insecticides during sowing will inhibit the germination of vegetable corn seeds or their death after exhumation, and the remaining seedlings will be dwarfed and the leaves may turn yellow or die off.
Due to different conditions such as corn varieties, development stages, and environmental factors, the degree of injury to the crop is also different.
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