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Method for preventing longan fruit trees from frosting

A frost and fruit tree technology, applied in the fields of botany equipment and methods, horticulture, plant protection cover, etc., can solve problems such as freezing damage of longan fruit trees

Inactive Publication Date: 2013-06-12
黄峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of method that can prevent longan fruit tree frost for the problem that winter low temperature causes freezing damage to longan fruit tree

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0012] In November, whiten the trunk with lime-sulfur mixture, earthen the tree tray, take the trunk as the center, build a tree tray with a radius of 50 cm for young trees, a radius of more than 100 cm for adult trees, and a tree tray with a height of 30 cm. layer of rice straw, and then cover with soil. Before the frost comes, spray antifreeze and potassium chloride solution on the leaves, once every 7 days, and spray 3 times. Smoke the orchard at night when frost comes, mix weeds and turf mud and pile them up in low-lying places prone to frost. set point. It has been observed that the adoption of the above scheme can significantly prevent the longan fruit trees from being frosted, and the freezing rate of the fruit trees is reduced from 50-70% to 2-5%, and the degree of freezing is relatively light and easy to recover.

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Abstract

The invention provides a method for preventing longan fruit trees from frosting. The method comprises the following steps of: whitening the trunks by lime sulfur before winter, wherein the lime sulfur comprises the following components of: 12 parts of quick lime, 1-2 parts of salt, 2 parts of stickers (such as clay and grease), 2 parts of lime sulfur stock solution and 35 parts of water; hilling tree bases, placing one layer of rice straws or plant ash in each tree base, and then earthing; spraying an antifreeze agent and potassium chloride solution on the leaf surfaces once every 7 days, and continuously spraying for 2 to 3 times; and fuming at windward parts during the frosty night when the temperature is descended to the critical temperature frosting longans, and setting the fuming parts at many places. By the scheme, the longan fruit trees can be obviously prevented from frosting in winter.

Description

technical field [0001] The invention belongs to the technical field of fruit tree cultivation, in particular to a method for preventing longan fruit trees from frost. Background technique [0002] Longan is mainly distributed in southern my country, where the lowest temperature in winter is usually around -2°C. The critical temperature of longan anti-low temperature is 0-1 ℃. When the temperature suddenly drops sharply, the cambium of the branches is the most sensitive, and the cambium at the trunk and root neck of the young tree about 15 cm below the ground is the most vulnerable. Because the tissues in these parts dormant the latest in winter, or the degree of dormancy is relatively shallow, and the water content of the cell tissue is high; when the temperature in the orchard drops sharply to 0°C or below, or the leaves suffer from frost, the tree cells will be damaged. The internal moisture freezes, destroys the protoplasm structure in the cell, and causes the cell to d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G13/02A01G13/06
Inventor 不公告发明人
Owner 黄峰
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