Simple method for promoting AP sweetsop flower formation

An AP custard apple and a simple technology, applied in the field of fruit tree cultivation, can solve problems such as low flower formation rate of AP custard custard apple, limitation of efficient cultivation of AP custard custard apple and promotion of industrialization, etc. The effect of improving economic efficiency

Inactive Publication Date: 2014-01-22
ZHANJIANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in the case of this method, the flowering rate of AP custard apple is still low, which limits the high-efficiency cultivation and industrialization of AP custard apple to a certain extent.

Method used

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  • Simple method for promoting AP sweetsop flower formation
  • Simple method for promoting AP sweetsop flower formation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] In January 2012, 5 days before pruning, 200g of compound fertilizer, 50g of urea, 100g of lime, and 10g of potassium chloride were applied to the 8-year-old AP custard apple tree. Then select the new shoots that were born in the tree in the same year, and first carry out the topping process, that is, the top buds are removed, and the branches of 3 cm at the top are cut off; then all the leaves and petioles of the remaining branches are all removed. Then, 10 mL of 150 mg / L abscisic acid (ABA) solution containing 0.05% Tween 20 was sprayed on each treated branch. After that, spray once every three days for a total of 3 times. The germination rate of axillary buds increased by 39.8%, and the flower bud formation rate increased by 72.9%.

Embodiment 2

[0031] In September 2012, 5 days before pruning, 150g of compound fertilizer, 60g of urea, 100g of lime, and 20g of potassium chloride were applied to the 5-year-old AP custard apple tree. Then select the new shoots that were born in the tree that year, and first perform short-cutting, that is, remove the top buds, and cut off half of the branches of each branch; then all the leaves and petioles of the remaining branches are all removed. Then, 10 mL of 100 mg / L abscisic acid (ABA) solution containing 0.05% Tween 20 was sprayed on each treated branch. After that, spray once every three days, and spray 5 times in total. In addition, when the new axillary buds germinated, 80mg / L auxin (IAA) solution was sprayed auxiliary. Finally, the axillary bud germination rate increased by 46.9%, and the flower bud formation rate increased by 81.3%.

Embodiment 3

[0033] In March 2012, 5 days before pruning, 250g of compound fertilizer, 40g of urea, 80g of lime, and 10g of potassium chloride were applied to the 8-year-old AP custard apple tree. Then select the new shoots that were born in the tree in the same year, and first carry out the topping process, that is, the top buds are removed, and the branches of 3 cm at the top are cut off; then all the leaves and petioles of the remaining branches are all removed. Then, 10 mL of 120 mg / L abscisic acid (ABA) solution containing 0.05% Tween 20 was sprayed on each treated branch. After that, spray once every three days, and spray 4 times in total. The germination rate of axillary buds increased by 40.3%, and the flower bud formation rate increased by 73.6%.

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Abstract

The invention relates to a simple method for promoting AP sweetsop flower formation. The simple method for promoting the AP sweetsop flower formation specifically comprises the steps of performing selection, clipping, flower formation promotion, water management and fertilizer application management in a clipping and flower formation promotion period, wherein the clipping and flower formation promotion period ordinarily ranges from the last ten-day period of August of the current year to the first ten-day period of March of the next year; selecting and topping young sprouts grown in the current year, spraying plant growth regulator mixed liquor on topped branches without half of leaves and then performing the spaying for one time every three days, totally performing the spraying for 3-5 time so as to promote axillary bud growth, and providing guarantee for flower bud differentiation. In addition, when new axillary buds grow, 80mg/L-100mg/L auxin (IAA) can be spayed to serve as an auxiliary agent. In the clipping and flower formation promotion process, compound fertilizer, urea, lime and potassium chloride are ordinarily applied in five days before clipping. By utilizing the simple method, the flower formation rate of treated branches is obviously improved, an AP sweetsop flowering phase can be five days ahead of the phase by adopting a traditional flower formation promoting mode, the flower formation rate is improved by higher than 70%, and a basis is provided for efficient sweetsop cultivation.

Description

technical field [0001] The invention relates to a method for promoting flowering of tropical fruit trees, in particular to a method for promoting flowering of AP custard apples, and belongs to the technical field of fruit tree cultivation. Background technique [0002] Annona squamosa L., also known as Ringo and Sakyamuni, is commonly known as sweet lychee and sweet fruit. It is a small deciduous tree in the family Annonaceae (Annonaceae), and it is a rare tropical and subtropical fruit. It is planted in several provinces in southern my country, especially in Guangdong, Hainan, Fujian and other provinces. The custard apple is unique in flavor, sweet and refreshing, rich in nutrition, rich in Vc, and low in fat. It has the functions of beautifying, nourishing the spleen and stomach, enhancing immunity, and anti-cancer; AP cherimoya fruit is rich in sugar, vitamin C and minerals , attractive aroma, sweet and juicy, suitable for eating fresh or making jam, fruit paste, fruit w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00
Inventor 刘锴栋刘金祥陈燕袁长春敬国兴
Owner ZHANJIANG NORMAL UNIV
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