There have another method about Formulation for promoting fruit setting and fruit expansion:

(6) Gibberellin + auxin + 6-BA 

The preparations are mostly ointments. The ratio of configuration is 0.3% gibberellin + 0.005% guanidine acetic acid + 0.05% 6-BA. The rind ointment treated with this mixture can treat the young fruit stalk of the new pear, which can increase the single fruit weight by 28.6% and harvest 7 early -8 days.

(7) chlormequat + choline chloride 

The preparations are mostly aqueous agents. The application mechanism is mainly to increase the fruit setting rate by suppressing the growth of new branches. For example, 0.1% choline chloride + 0.05% chlormequat on the market treats grapes, and when used in about 6-10 leaves of new branches, the fruit setting can be significantly improved. The concentration of the plant is related to the fertility of the field, the plant grows vigorously, the use concentration is higher, the medium growth concentration is lower, and the growth is weak.

(8) Sodium nitrophenolate + paclobutrazol 

The preparations are mostly wettable powders or suspensions. It is mainly used for controlling the shoots and expanding fruits of fruit trees. It is also a popular plant growth regulator for fruit trees in recent years, and its application in fruit trees is in the ascendant.

(9) Thiabendazole

It is mainly used as cotton defoliant, but it is also a good cytokinin at low concentration. According to some literatures, its biological activity in promoting fruit setting and leaf green preservation is higher than that of 6-BA. . The preparation is a wettable powder or a solution. The market product is 0.1% thiabendazole solution, 0.1% thiabendazole wettable powder, used on zucchini, melon, grape, cucumber, the concentration range is 2-4ppm, can be sprayed with spikes or spray, can promote fruit setting To prolong leaf senescence, it can also induce callus differentiation and grow out of shoots.

(10) DA-6 + retarding agent 

The preparation may be a liquid agent, a soluble powder, a wettable powder or the like. The general retarding agent is one or more of chlormequat, ketamine, choline chloride, paclobutrazol or uniconazole, which is a controlled-type fruit-fruiting agent, which can be used on tomato, grape, fruit tree, root and tuber crops. use. The concentration range of DA-6 is 5-15ppm, and the retardation agent is also different depending on the type. The period of use is generally controlled during the alternate period of vegetative growth and reproductive growth to promote vegetative growth and promote reproductive growth to promote fruit setting and increase yield.

(11) Chlormequat + p-chlorophenoxyacetic acid (sodium, potassium) 

The preparations are mostly aqueous or soluble powders, and the main application object is tomato. In the alternating period of nutrition and reproductive growth (about three days before flowering), whole planting of tomato with 150-200 ppm of p-Chlorophenol and 25-25 ppm of p-chlorophenoxyacetic acid can significantly increase fruit setting and yield.

(12) sodium nitrophenolate +2,4-D 

The preparation may be a water agent or a soluble powder, which is specially developed for banana elongation. When the banana is broken, spraying the fruit with the appropriate concentration of the solution may be beneficial to the growth of the fruit finger, and the concentration of 2,4-D is generally controlled to be 5-10 ppm. Because 2,4-D is a herbicide, it has strong medicinal properties and is sensitive to temperature. It is not allowed to increase plant growth regulators to regulate plant growth and development as a rapidly developing science and technology. So far, it has been in agriculture, forestry, fruit trees. And vegetable production is getting more and more widely used.

In recent decades, plant growth regulators have appeared in many applications such as rooting, fruit setting, dwarfing, dormancy, drying, defoliation, ripening, sweetening, coloring, etc., and the development momentum is rapid, the reason is When it is used, it can increase the effect, increase the application, etc. It can reduce the amount of use and improve the application effect. At the same time, it also expands the application range, complements each other's strengths, overcomes the shortcomings of single use, and can achieve high quality and high yield.

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