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Rubber seedling cold-proof method

A technology for rubber trees and saplings, applied in the fields of botanical equipment and methods, pest control, animal repellants, etc., can solve problems such as cold damage and production loss, and achieve the effects of low protection cost, easy operation, and promotion of growth recovery.

Active Publication Date: 2014-02-19
RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In warm winter years, rubber tree seedlings can safely survive the low-temperature season, but in cold winter years, such as the winter of 2007 / 2008, rubber tree seedlings will suffer from different degrees of cold damage, causing serious losses to production

Method used

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  • Rubber seedling cold-proof method
  • Rubber seedling cold-proof method
  • Rubber seedling cold-proof method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Take a small amount of water, dissolve calcium chloride, magnesium sulfate and sodium phosphate in the water, then add triethanolamine and Tween-80; finally add glycerol, ethylene glycol, dimethyl sulfoxide for mixing; adjust the pH value to Neutral, fixed solution to obtain liquid cold-proof heat preservation agent, the content of each component in every liter of solution is: ethylene glycol 300ml / L, glycerol 20ml / L, dimethyl sulfoxide 15ml / L, Tween-803ml / L, triethanolamine 60ml / L, calcium chloride 220mg / L, magnesium sulfate 30mg / L, sodium phosphate 20mg / L.

Embodiment 2

[0014] Take a small amount of water, dissolve calcium chloride, magnesium sulfate and sodium phosphate in the water, then add triethanolamine and Tween-80; finally add glycerol, ethylene glycol, dimethyl sulfoxide for mixing; adjust the pH value to Neutral, fixed solution to obtain liquid cold-proof heat preservation agent, the content of each component in every liter of solution is: ethylene glycol 300ml / L, glycerol 20ml / L, dimethyl sulfoxide 15ml / L, Tween-803ml / L, triethanolamine 60ml / L, calcium chloride 220mg / L, magnesium sulfate 30mg / L, sodium phosphate 20mg / L.

Embodiment 3

[0016] Take a small amount of water, dissolve calcium chloride, magnesium sulfate and sodium phosphate in the water, then add triethanolamine and Tween-80; finally add glycerol, ethylene glycol, dimethyl sulfoxide for mixing; adjust the pH value to Neutral, fixed solution to obtain liquid cold-proof heat preservation agent, the content of each component in every liter of solution is: ethylene glycol 300ml / L, glycerol 20ml / L, dimethyl sulfoxide 15ml / L, Tween-803ml / L, triethanolamine 60ml / L, calcium chloride 220mg / L, magnesium sulfate 30mg / L, sodium phosphate 20mg / L.

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Abstract

The invention relates to a tree cold-proof method, in particular to a rubber seedling cold-proof method, which is characterized in that: a liquid cold-proof insulation agent is used for uniformly spraying rubber seedling plants to be protected so as to form a coldness insulation layer on the surface of a part to be protected and to reduce the low-temperature harm on a rubber tree; and the liquid cold-proof insulation agent is formed by dissolving glycol, glycerol, dimethyl sulfoxide, tween 80, trolamine, calcium chloride, magnesium sulfate and sodium phosphate in the water and adjusting the pH value to be neutral. The liquid cold-proof insulation agent is uniformly sprayed on the surface of the rubber seedling plants to form the coldness insulation layer so as to perform the cold-proof protection of rubber seedlings, so the rubber seedling cold-proof method is simple and convenient to operate, the protection expense is low, the rubber seedlings can be protected against the low-temperature harm under the temperature condition of 4 DEG C or more for long time, the rubber seedlings can be effectively promoted to grow, and no obvious toxicity and no side effect exist.

Description

technical field [0001] The invention relates to a method for protecting trees against cold, in particular to a method for protecting rubber tree seedlings from cold and heat. Background technique [0002] The natural rubber planting area is located in the northern edge of the tropics. The temperature indicators for the growth and development of rubber trees: 20-30°C is the optimum temperature for growth and rubber production, 18°C ​​is the critical temperature for normal growth, 15°C is the critical temperature for tissue differentiation, and below 10°C The photosynthesis of the rubber tree stops, which has a harmful effect on the metabolism of the seedlings. When the temperature is lower than 5°C, the rubber tree will suffer from different degrees of cold damage, and even the base of the stem will fester and flow gum. Low temperature stress is one of the main adversity factors affecting the growth and production of rubber trees in my country, and directly causes economic lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G13/00A01N3/00A01N59/26A01P21/00
Inventor 张希财林位夫安锋周立军王军曾宪海邹继鑫谢贵水
Owner RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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