In order to improve crop yield and quality, plant growth regulators are indispensable. There are many kinds of plant growth regulation on the market, and the effects are quite different. It is necessary to master the correct method when using plant growth regulators, otherwise it may affect Let's take a look at the effects of plant growth regulators. First, the selection of quasi-variety application of growth regulators due to different crop types, growth stages, different parts of the effect of different effects, production should be based on specific functions to select the product, and in strict accordance with the method marked on the product label, in a suitable period Apply. Second, master the concentration and frequency of growth regulators and the number of applications should be flexible, otherwise the opposite effect will be obtained. If the auxin is applied at a low concentration, the root growth can be promoted, and the higher concentration application inhibits the growth. Some farmers are afraid that the amount of use is small, and there is no effect. The dosage or concentration of the growth regulator can be increased at will, so that the growth of the crop is inhibited, and even the leaf deformity and the whole plant are seriously killed. Third, the drug can not be used as a growth regulator, even if it is a promoting growth regulator, it can only work under conditions of sufficient fertilizer and water. Although some plant growth regulators add some concentrated NPK and trace elements, they are rare in content and have little effect and cannot replace fertilizer. Fourth, do not use ethephon, gibberellin and other growth regulators for vegetables, cotton, wheat and other crops, play a role in early maturity and increase the number of infertile ears, seed germination rate is seriously reduced. Therefore, the growth regulator should be applied cautiously for all crops to be planted. Introduction of plant growth regulators to use on here, pesticides want to get more knowledge, please pay attention to China Pesticide Network
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