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Method for preventing and treating citrus canker

A technology of citrus canker and citrus, which is applied in the field of citrus planting, can solve the problems that cannot be cured and the effect cannot meet expectations, and achieve the effects of reducing the incidence rate, high cure rate, and preventing citrus canker

Inactive Publication Date: 2020-03-27
HUNAN AGRICULTURAL UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, in the prevention and treatment of citrus canker in my country, chemical control is the main method, and agricultural control is supplemented. Although it has received relatively good results, it still cannot be cured.
Especially due to the rain, the effect of spraying pesticides cannot reach the expected goal

Method used

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  • Method for preventing and treating citrus canker
  • Method for preventing and treating citrus canker
  • Method for preventing and treating citrus canker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The invention provides a kind of method of preventing and treating citrus canker, described concrete prevention and treatment steps are as follows:

[0022] a) plant planting: excavate a circular foundation pit with the center point of the citrus plant;

[0023] b) Irrigation protection: 15-20 days before the germination of spring shoots, according to the size of a single citrus plant, use different amounts of thiassen copper mixed with clean water and then fully stir. Dilution, each young tree uses 30ml Thiessen copper mixed with 10kg of clear water to prepare the dilution and pour it into the circular foundation pit along the drip line of the crown;

[0024] c) One round of spraying: When the spring shoots germinate to about 2cm, prepare a mixed solution with 500 times of thiasen copper and 500 times of mineral oil in equal proportions, and spray the front and back sides of the leaves with a knapsack electric sprayer. In cloudy and rainy weather, spraying should be c...

Embodiment 2

[0039] The invention provides a kind of method of preventing and treating citrus canker, and concrete prevention and treatment steps are as follows:

[0040] a) plant planting: excavate a circular foundation pit with the center point of the citrus plant;

[0041] b) Irrigation protection: 15-20 days before the germination of spring shoots, according to the size of a single citrus plant, use different amounts of thiassen copper mixed with clean water and then fully stir. Dilution, the 10kg dilution of 30ml Thiessen copper mixed with clear water for each young tree, the prepared dilution is poured into the cylindrical space surrounded by two protective plates 30 along the crown drip line;

[0042] c) One round of spraying: When the spring shoots germinate to about 2cm, prepare a mixed solution with 500 times of thiasen copper and 500 times of mineral oil in equal proportions, and spray the front and back sides of the leaves through a knapsack electric sprayer;

[0043] d) Secon...

Embodiment 3

[0046] Adopt the method for preventing and treating citrus canker of above-mentioned embodiment 1-2 to use to same adult plant respectively, every 100 strains are a group, divide into two groups and try out the control method in two embodiments respectively, obtain following data:

[0047]

[0048] It can be seen from the above table that the control method in Example 1 is the best. After using it on citrus plants, the absorption effect of the dilute thiesen copper watered in the early stage is better. No diseased leaves and spots are found on the new leaves, and the frequency of drug spraying is low. , reduce the labor output of the fruit grower, and have a better cure rate for the plants that have occurred diseases.

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Abstract

The invention discloses a method for preventing and treating citrus canker, and particularly relates to the field of citrus planting. The method specially comprises the following preventing and treating steps of planting plants: using center points of citrus plants, and excavating circular foundation pits; performing irrigation protection: 15-20d before germination of spring shoots, according to the size of single citrus plants, blending different amount of thiosen copper with clean water, performing sufficient stirring, preparing diluent, enabling the diluent to water the circular foundationpit along the drip moulding of a tree crown; and performing spraying for one round: when the spring shoots germinate until the spring shoots are about 2cm, preparing mixed liquid from 500-times thiosen copper and 500-times mineral oil in the equal proportion, and spraying the front surfaces and the rear surfaces of leaves through a back type electric sprayer. The manner of preventing in advance, watering soil, spraying leaves, and adding mineral oil, is adopted, and a method that before pathogenesis, a copper preparation is adopted for watering roots, the copper preparation and the mineral oilare combined to spay the leaf surfaces, is adopted, so that the generation of citrus canker can be effectively prevented, the generation rate of the citrus canker can be obviously reduced, and the control efficiency of the citrus canker can be improved.

Description

technical field [0001] The invention relates to the technical field of citrus planting, more specifically, the invention relates to a method for preventing and treating citrus canker. Background technique [0002] Citrus canker is one of the most serious diseases of citrus. The disease infects rapidly and is difficult to cure. The most prominent manifestation is that the citrus leaves are damaged. The initial stage is a yellow spot the size of a needle tip. After the disease develops, it will become a circular lesion with a diameter of 2-5mm. The two sides of the lesion are raised and the surface is rough. Mouth. In addition, citrus canker disease bacteria usually appear on the surface of the fruit peel, and will not damage the pulp or affect the shape of the fruit, but if the degree is severe, early fruit drop will occur; if the seedlings are infected with citrus canker, they will grow poorly and be delayed. The consequences of adult fruit trees infected with citrus canke...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01N43/824A01N61/02A01P3/00A01G13/00
CPCA01G13/00A01G17/005A01N43/82A01N61/02
Inventor 邓子牛马先锋韩健杨贵兵
Owner HUNAN AGRICULTURAL UNIV
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