Plant growth regulators are mainly exogenous non-nutritive chemicals that are usually transmitted to the site of action in plants and promote or inhibit certain aspects of their life processes at very low concentrations to meet human needs. development of. Because each plant growth regulator has a specific use, and the application technology requirements are quite strict, only specific application conditions (including external factors) can produce specific effects on the target plant. Frequent changes in concentration result in opposite results, such as a promotion at low concentrations and inhibition at high concentrations. Many farmers have some obvious misunderstandings when using plant growth regulators, which seriously affects the use effect. 1 “Fat†for “fertilizer†Because plant growth regulators must be able to perform significantly in adequate water and fertilizer conditions. However, some plant growth regulators have been exaggerated by manufacturers, causing some farmers to use them as fertilizers, pinning the hope of promoting crop growth on plant growth regulators, rather than conventional techniques such as fertilization, irrigation, cultivating, and loosening. Working hard, ultimately affecting the use of plant growth regulators. 2 Feel free to increase the dosage Because plant growth regulators are hormonal substances, generally only a few grams or a few milliliters per acre. However, some farmers are always afraid that the amount of use is small, and there is no effect. If you increase the amount of plant growth regulators or use concentration, this will not only promote the growth of plants, but will also inhibit the growth of the plants, causing serious deformity and dryness of the leaves. The whole plant died. 3 direct water use If gibberellin is used in production, it must be dissolved in alcohol or warm high-alcohol liquor before it can be added. However, some farmers often do not read the instructions carefully before using the plant growth regulator, but use the plant growth regulator directly for water. Because some plant growth regulators can not be directly dissolved in water, and if a small amount of plant growth regulator is not formulated into a "mother liquor" before being formulated into a required concentration, it is difficult to mix the medicament once, which will also affect the use effect. 4 mix with other substances at will For example, if plant growth regulators can be mixed with other substances such as chemical fertilizers and pesticides , they must be read and explained before they can be determined. However, many farmers use plant growth regulators to save trouble, often mix them with fertilizers, pesticides , fungicides, etc., in the hope to achieve simultaneous growth or preservation of flowers, supplement fertilizers or disease prevention and treatment . However, if you don't mix it properly, you will "do more than half the work" and even "work and no work." 5 Spraying plant growth regulators at will Plant growth regulators must be used at critical times in plant growth, such as cucumber flower bud differentiation, for maximum efficacy. If you use it improperly, you will not receive the desired results, or even "side effects." Some farmers have insufficient understanding of this, and believe that no matter when spraying plant growth regulators, they can promote growth, increase production, and increase income. Therefore, do not look at the timing, spray at any time, resulting in poor spraying effect, and some Even cut production, reduce income. (Source: Laotianwei Agricultural Technology)
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