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Method for regulating and controlling litchi flower spikes

A technology of flower spikes and lychees, applied in the field of lychee cultivation, can solve the problems of paclobutrazol inefficiency, high dosage, high residue, etc., and achieve the effects of increasing edible rate, good safety, and increasing yield

Inactive Publication Date: 2018-06-29
广西壮族自治区农业科学院园艺研究所 +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] (1) Artificial and mechanical flower thinning This method is currently the most widely used method for regulating the flower spikes of Feizixiao in my country. The flower spikes of Feizixiao can be as long as 30-40cm. The control method only reduces part of the nutrient consumption, and it is labor-intensive and time-consuming. The probability of encountering bad weather during flowering is high, which is not good for pollination and fertilization, and it is easy to cause flowers to be unfruitful.
[0005] (2) Use paclobutrazol alone to regulate flower spikes. This method uses the growth retardant paclobutrazol to regulate the flower spikes of Feizixiao. Although it can delay the flowering time, shorten the flower spikes of Feizixiao litchi, reduce the amount of flowers, and improve the fruit setting rate, paclobutrazol is low. High efficiency residue, more dosage, long-term use will cause greater damage to the tree

Method used

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  • Method for regulating and controlling litchi flower spikes

Examples

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Effect test

Embodiment 1

[0018] On April 10, 2015, at the lychee planting demonstration base of the Academy of Agricultural Sciences in Guangxi Zhuang Autonomous Region, the lychee variety is Feizixiao. When the flower buds of the flower spike part of the lychee plant are round and full and the male flowers are not open, spray the flower spike once Methylpiperium solution (i.e., dilute mepiperium with water 9000 times, stir evenly), the humidity is based on the emergence of dripping water on the flower spikes; then when the flower spikes appear and the ratio of male flowers to open reaches 1 / 4, spray the ethephon solution once on the flower spikes (i.e. 1.88mL of 40% ethephon mixed with 15kg of water, and stirred evenly), the humidity is based on the degree of water dripping from the flower spikes.

Embodiment 2

[0020] On April 12, 2016, at the lychee planting demonstration base of the Academy of Agricultural Sciences in Guangxi Zhuang Autonomous Region, the lychee variety is Feizixiao. When the flower buds of the flower spike part of the lychee plant are round and full and the male flowers are not open, spray the flower spike once Mepimonium solution (i.e. dilute mepiperium with water 7000 times, stir evenly), the humidity is based on the appearance of dripping water on the flower spikes; then when the flower spikes appear and the ratio of male flowers to open to 1 / 4, spray the ethephon solution once on the flower spikes (i.e. 3.75 mL of 40% ethephon mixed with 15 kg of water, and stirred evenly), the humidity is based on the degree of water dripping from flower spikes.

Embodiment 3

[0022] On April 8, 2016, at the lychee planting demonstration base of the Academy of Agricultural Sciences in Guangxi Zhuang Autonomous Region, the lychee variety is Feizixiao. When the flower buds of the flower spike part of the lychee plant are round and full and the male flowers are not open, spray the flower spike once Mepimonium solution (i.e. dilute mepiperium with water 8000 times, stir evenly), the humidity is based on the emergence of dripping water on the flower spikes; then when the flower spikes appear and the ratio of male flowers to open reaches 1 / 4, spray the ethephon solution once on the flower spikes (that is, 3.5 mL of 40% ethephon mixed with 15 kg of water, and stirred evenly), the humidity is based on the appearance of dripping water on the flower spikes.

[0023] control : When the flower buds of the flower spikes of the Litchi plant are round and full and the male flowers are not open, the flower spikes are sprayed with water once, and the humidity is th...

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Abstract

The invention belongs to the technical field of litchi cultivation, and particularly relates to a method for regulating and controlling litchi flower spikes. The method for regulating and controllingthe litchi flower spikes is characterized by comprising the following steps of: (1) spraying a mepiquat chloride solution once on the litchi flower spikes when flower buds of the litchi flower spikesare in a plump state and staminate flowers do not blossom; (2) spraying an ethephon solution once on the litchi flower spikes when the flowering proportion of the staminate flowers in the litchi flower spikes reaches 1 / 4. According to the method, the operation of firstly spraying the mepiquat chloride solution and then spraying the ethephon solution is adopted, and the method has good safety to litchis, can significantly increase the edible rate of the litchis and can greatly increase the yield of the litchis. The method is simple in operation, high in efficiency and suitable for large-scale application and popularization in litchi planting areas.

Description

technical field [0001] The invention belongs to the technical field of litchi cultivation, in particular to a method for regulating litchi flower spikes. Background technique [0002] my country is the country of origin of lychees and the largest producer in the world, mainly distributed in Guangdong, Guangxi, Fujian, Hainan and Taiwan, accounting for 81% and 70% of the world's total area and output respectively. Litchi belongs to one of the pillar industries in the rural industrial structure of various provinces and regions in South China, and it is also one of the most competitive and exportable South Subtropical fruits in China. Feizixiao litchi is an ancient and famous litchi variety in my country, and it is also the main variety in Hainan, Guangdong and other provinces. Feizixiao has excellent quality and flavor, oval fruit, large and small core, thick and crisp flesh, strong aroma, juicy and sweet, and the fruit is green and reddish when ripe. The plant of Feizixiao ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06
CPCA01G7/06
Inventor 古雅良朱建华李彦彦玉富成涂海莲秦献泉徐宁吕斌刘冬梅付鑫锋廖仁昭
Owner 广西壮族自治区农业科学院园艺研究所
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