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A method for simultaneous prevention and control of jujube fruit cracking and fruit shrinkage diseases

A technology of cracking and shrinking fruit, which is applied in the direction of fertilization, calcium fertilizer, application, etc., can solve the problems that jujube trees cannot significantly reduce the diseased fruit rate, the control methods are not comprehensive enough, and the production and application effect is not reasonable, so as to improve the fruit. quality, enhanced infectivity, and inhibition of germination and invasion

Active Publication Date: 2020-09-15
HEBEI AGRICULTURAL UNIV.
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  • Summary
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AI Technical Summary

Problems solved by technology

The outstanding performances are as follows: First, the control methods are not considered comprehensive enough. The control of fruit shrinkage and cracking diseases is only considered from one or two aspects, that is, simple chemical control, fertilization, growth regulators or any combination of the two. The effect of production and application is unreasonable, especially for jujube trees with severe disease, the rate of diseased fruit cannot be significantly reduced; second, there are few studies on the simultaneous prevention and treatment of jujube fruit shrinkage disease and fruit cracking disease. In addition to being resistant to the two major fruit diseases, simultaneous prevention and control of the two major fruit diseases on susceptible varieties has not been reported yet.

Method used

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Embodiment Construction

[0014] On June 22, weigh 30kg of potassium sulfate and 5kg of manganese sulfate respectively, mix them evenly, and make them into soil for fertilization. Use circular furrow fertilization for soil fertilization, and apply them to the concentrated distribution layer of roots under the tree crown at one time, and water them after application. , the dosage is 1kg / plant (20-year-old jujube tree). On July 10, weighed 9g of calcium chloride, 30g of 80% mancozeb, and 30g of 2‰ 6-BA and added them to 29.931kg of water to make pre-conditioning agents, and sprayed them on the leaves in the morning or evening; July From the end of the ten days to the beginning of September, the post-conditioning agent is prepared. The 30kg post-conditioning agent contains 9g of calcium chloride, 30g of 80% mancozeb, 30g of 20% NAA, and 150g of sodium silicate (need to be dissolved separately), and make up to 30kg with water. Spray intervals of 10-15 days, spray 3-4 times, choose to spray in the morning a...

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Abstract

The invention discloses a method for synchronously preventing and controlling fruit cracking and a fruit shrinking disease of ziziphus jujuba mill, namely, key mineral element supplementation, chemical prevention and growth regulator application are combined. The method is characterized in that soil fertilization is carried out by mixing potassium sulfate and manganese sulfate according to a certain proportion, and sodium silicate and calcium chloride are sprayed on leaves, so that key mineral elements and beneficial elements can be effectively supplemented, nutrient balance can be regulated, and the resistance is increased; 6-BA (Benzyladenine) is sprayed on the leaves in an early stage, so that pericarpic cell division is stimulated, and elasticity of jujube peel is enhanced; NAA (Naphthalene Acetic Acid) is sprayed in a later stage, so that maturing of jujube fruits is delayed, and a cloudy and rainy period in the early of mid September is avoided; mancozeb is sprayed on the leaves, so that pathogenic bacteria on body surface can be effectively killed, a layer of dense protective medicine membrane is formed on the surface of crop, and germination and invasion of the pathogenic bacteria are inhibited. According to the method disclosed by the invention, the morbidity of the fruit cracking and the fruit shrinking disease of the ziziphus jujuba mill can be synchronously and obviously reduced, and a total diseased fruit rate can be reduced from 80 to 100 percent to 20 percent or less. A technology is applied to prevention and control of the fruit cracking and the fruit shrinking disease of the ziziphus jujuba mill, the method is simple, the cost is low, the prevention and control efficiency is high, and the effect is lasting.

Description

technical field [0001] The invention relates to a method for synchronously preventing and controlling jujube fruit cracking and fruit shrinkage diseases. Background technique [0002] jujube( Ziziphus jujuba Mill.) is a plant of the genus Jujube in Rhamnaceae. It has become one of the five dominant economic forest tree species and the largest dry fruit tree species in my country. It has become the main source of income for 20 million farmers. However, there has been a lack of simple, practical and efficient control methods for the two major fruit diseases of jujube, fruit cracking and fruit shrinkage, which have a great impact on jujube production. [0003] Fruit cracking is the most difficult physiological disease to control jujube yield and quality. After the jujube fruit is cracked, it is perishable and deteriorates, resulting in a decline in the quality of the jujube fruit or even unedible, and it will cause a large number of fruit drop. In many jujube areas, the out...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G1/00C05G3/00C05G3/60C05G5/20A01G17/00A01C21/00
CPCA01C21/00A01G17/005C05D1/02C05D3/00C05G3/00C05G5/20C05D9/02C05D9/00
Inventor 刘孟军刘平张宣
Owner HEBEI AGRICULTURAL UNIV.
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