Apple Flower & Fruit Development
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隐藏域元素占位
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Product Details
Application of Regulators in Apple Flower and Fruit Development
Sodium Nitrophenolate
Spraying 3-4.5 mg/L liquid medicine twice in the flower bud differentiation stage and young fruit stage of apples can improve the fruit setting rate and improve the grade and quality of apples. It can greatly improve the economic benefits of farmers planting fruit trees.
Diethyl aminoethyl hexanoate (DA-6)
Spray 8~15 mg/L diethyl aminoethyl hexanoate liquid once at the beginning of flowering, after fruit setting, and fruit expansion period, which can preserve flowers and fruits, improve fruit setting rate, make fruits uniform in size, good in coloring, sweet in taste, and ripen early. increase output.
Thidiazuron
In the center of the apple tree with 10%~20% blooming and full blooming period, applying 2~4 mg/L thidiazuron liquid once each time can promote fruit setting.
Using 22~30 mg/L gibberellic acid to spray the whole apple tree once in full bloom period and young fruit period after flowering can improve the fruit setting rate of apples, preserve flowers and fruits, and promote fruit growth.
Brassinolide
Spraying with a concentration of 0.017-0.025 mg/L at the initial flowering stage, young fruit stage and fruit expansion stage can increase the chlorophyll content in the leaves of apple trees, increase photosynthesis, and improve the fruit setting rate, yield and quality of apples.However, in production, attention should be paid to flower thinning and fruit thinning to ensure fruit quality. It is also necessary to strengthen the management of soil, fertilizer and water in orchards, and to strengthen comprehensive measures such as pest control and shaping and pruning, in order to achieve high yield and high quality.
Choline chloride
Foliar spraying with 200-500 mg/L choline chloride 15-60 d before harvest can increase fruit size, increase sugar content, and improve quality and commerciality.
Indole ester
Spraying 100-200 mg/L indole ester before physiological fruit drop can prevent fruit drop and promote early ripening for 5-15 days.
Gibberellic acid·Indole acetic acid·Brassinolide
Spray the front and back of leaves with 0.16~0.48 mg/L 0.136% erythro-indine-brassicolide soluble powder solution before germination and after flowering respectively, which can effectively promote apple growth and improve stress resistance. At the same time, it can also improve the fruit set rate and improve the color and quality of apples.
Brassinolide·Gibberellic acid（GA4+7)
In apple flowering stage, young fruit stage and fruit expansion stage, use 2.3~2.7mg/L 1.51% Brassica gibberellic acid (GA4+7) water-dispersible granules for each application once, which can prevent fruit from falling off and promote Fruit set, fruit enlargement.
Brassinolide·6-BA
In the flowering stage, young fruit stage and fruit expansion stage of apple trees, spraying with 3.1~3.6 mg/L 2.01% Brassica·purine water dispersible granules each time can inhibit the chlorophyll, nucleic acid and protein in the leaves of the tree. The decomposition of the anti-aging effect;It also has the functions of promoting tree growth, increasing vegetative harvest; improving fruit setting rate, promoting fruit hypertrophy, increasing seed setting rate, increasing single fruit weight; improving cold resistance, reducing phytotoxicity, and increasing disease resistance.
6BA·Gibberellic acid
Used in apples, it can significantly improve the fruit shape index and high fruit pile rate of apples, promote the five-edge protrusions on the top of the fruit, and greatly improve the quality and appearance quality of apples. The best effect is at the early flowering stage (5%~10% of the central flower), generally 45~60 mg/L 3.6% benzylamine gibberellic acid (GA3) liquid is sprayed once, and the spraying should be careful and even. , It is advisable to spray wet without dripping water. If you need to spray the second time, it is recommended to do it 7d after the first spraying.
Applicable Crop
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