Fruit tree growth regulator composition and application thereof

Abstract

The invention belongs to the field of regulation and control of plant growth, and particularly relates to a plant growth regulator composition for regulating and controlling the treetop growth of a fruit tree. The plant growth regulator composition comprises the following effective components used for regulating and controlling the plant growth: prohexadione calcium, compound sodium nitrophenolate / diethyl aminoethyl hexanoate / sodium naphthalene acetate / triacontanol / brassinolide / 6-benzyladenine; the plant growth regulator composition is diluted to the concentration of 150-800 mg / kg by being blended with water in terms of effective components to be used for regulating and controlling the growth of the fruit tree. Compared with the prior art, the plant growth regulator composition disclosed by the invention solves the problem that treetop control, flower promotion and safety yield increase are difficult to synchronize in a fruit tree treetop control process, induces the nutrient elements to be transmitted and concentrated to fruits by regulating the ratio of the growth hormone, cytokinin and gibberellin of the fruit tree during a growth period, enhances the flowering rate, enhances the fruiting rate, achieves the effects of inhibiting vegetative growth and promoting reproductive growth, is obvious in yield increase effect and outstandingly improves the quality of the fruits.

Description

technical field [0001] The invention belongs to the field of plant growth regulation, and in particular relates to a plant growth regulator pharmaceutical composition for regulating the growth of fruit tree tops. Background technique [0002] In order to increase the yield of artificially cultivated fruit trees, high-density planting is often used. It is difficult to control the size of the canopy, which affects the ventilation and light transmission of the tree, which is not conducive to photosynthesis and the distribution of carbohydrates to the fruit. Therefore, the vegetative growth of the tree is coordinated. The relationship between reproductive growth and reproductive growth is one of the important prerequisites for high fruit yield. At present, artificial pruning and plant growth regulators are mostly used in production to control shoots and promote flowers, and increase fruit tree yield. However, the manual pruning method requires a lot of labor and requires relati...

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Problems solved by technology

[0004] The application of conventional plant growth retardants such as paclobutrazol, uniconazole, chlormequat, biju, ethephon and other plant growth regulators has always had less and less obvious drug effects, larger doses, high residues, high Many problems such as cost, such as paclobutrazol, which is commonly used at present, can slow down vegetative growth and reduce the amount of new shoots, but it has a long residual period, poor environmental friendliness, and strict requirements on the concentration of use. If it is too low, it cannot achieve the effect of controlling shoots and promoting flowers. If 2,4-D or ethephon is used to regulate the growth of fruit tree tops, improper use will easily lead to yellow leaves, fallen leaves and large areas of fruit drop. affect the output

However, there is no relevant report that prohexadione calcium or its compound pharmaceutical composition is used to regulate the growth of fruit trees.

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