Why is pendimethalin banned for crops?
Due to the narrow weeding spectrum of pendimethalin and the effect on broadleaf weeds and gramineous weeds is not obvious, it is often used as a soil sealing treatment agent before sowing, mainly used for pre-emergence weeding of dryland crops such as corn, soybean, peanut and vegetables. It mainly controls annual grasses and some broadleaf weeds. However, some crops are sensitive to pendimethalin and may experience abnormal growth after exposure to this formulation, so special care is required when using pendimethalin on these crops.
Here are some of the crops that are sensitive to pendimethalin and what to look out for when using pendimethalin on these crops:
1) Wheat: Wheat is sensitive to dimethoate, especially varieties with poor seedling growth. When using dimethoate, special attention should be paid to the dosage and application time, and avoid using it on seedlings with poor growth or weak seedlings.
2) Beets: Beets are also sensitive to pendimethalin, especially during periods of vigorous growth and dry weather. Excessive dosage or improper dosage can easily cause problems such as delayed growth, yellowing of leaves and dwarf plants.
3) Potato: Dimethoate has a certain impact on the growth of potato, and excessive dosage or improper medication time can easily lead to slow growth, shriveled leaves, and short plants.
4) Beans and peas: Beans and peas are also sensitive to dimethoate, especially during the flowering and pod-setting stages. Taking too much or at the wrong time can easily cause problems such as flower drops, pod drops, and growth delays.
5) Certain fruit crops: Fruit crops such as apples, grapes, and pears are also sensitive to dimethoate, especially during the seedling and flowering stages. Excessive dosage or insufficient medication period can easily lead to leaf wilting, flower and fruit dropping.
When using dimethoate, choose the appropriate formulation and dosage, and avoid using or overusing on sensitive crops. At the same time, it is also necessary to pay attention to the time of use and weather conditions, and avoid using it under adverse weather conditions such as high temperature, drought, and strong wind, so as not to affect the efficacy and crop growth. If abnormal crop growth is found during use, measures should be taken to remedy it in time, such as spraying sufficient amounts of plant growth regulators.