Plant growth regulators are not available for rapid plant growth. Most of the plant growth regulators on the market are relatively expensive. How to exert the maximum efficacy of plant growth regulators is the most concerned issue for farmers. Let's take a look at Xiaobian.
1. Selecting the appropriate varieties The timely application of growth regulators has different effects due to different crop types, growth stages, and action sites. Products should be selected according to specific functions in production, and strictly in accordance with the methods marked on the product label, in a suitable period. Apply.
2, master the concentration and frequency of the growth regulator concentration and the number of applications should be flexible, otherwise it will get the opposite effect. 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.
3, can not be used to replace the drug, even if it is a promoting growth regulator, it can only work under conditions of sufficient fertilizer. 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.
4, 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.
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