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Method for preventing and treating strawberry powdery mildew by utilizing lime sulfur

A technology of strawberry powdery mildew and lime sulfur mixture, which is applied in the directions of horticultural methods, botanical equipment and methods, application, etc., can solve problems such as differences in the critical injury degree of strawberries, achieve annual prevention and control, promote healthy development, and facilitate popularization and application. Effect

Active Publication Date: 2021-11-02
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no report on the use concentration and method of calcium sulfur mixture for other growth periods of strawberry, such as vegetative growth period and fruiting period. In addition, the time span of strawberry from planting to completion of three crops of fruit ripening can reach 7-8 months. Different temperature conditions Even if the same concentration and dose of lime sulfur had a large difference in the critical damage degree of the young herbaceous fruit tree strawberry

Method used

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  • Method for preventing and treating strawberry powdery mildew by utilizing lime sulfur

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preparation example Construction

[0020] The preparation and source of the lime sulfur mixture are not particularly limited in the present invention. As a possible implementation, refer to the method of the invention patent "A Preparation Method of Lime-Sulfur Mixture" (CN201210404269.7), that is, quicklime: sulfur powder: water = 1:2:10, the specific operation is to put water into Boil the pot until it is half open, put the lime into hot water and stir, after melting, take out some lime water and mix the sulfur powder into a paste; when the lime water is about to boil, pour in the sulfur paste, stir while pouring, pour all After finishing, calibrate the height of the water surface, reheat and boil, keep stirring, and make up the evaporated water with hot water at any time; boil for 40-60 minutes, when the liquid is reddish brown, it is ready; after stopping the fire, filter to obtain the original liquid of lime sulfur mixture; Measuring the degree of Baume of the stock solution with a US hydrometer. After ca...

Embodiment 1

[0043] A method utilizing lime sulfur to prevent and treat strawberry powdery mildew, comprising the following steps:

[0044] (1) Before harvesting of previous crops or planting of strawberries:

[0045] Use mechanical tillage tools such as rotary tillers to deep plow the soil in the strawberry production shed. After the deep plowing is completed, add enough water, close the greenhouse film, and make full use of solar energy to sterilize the production soil at high temperature; use mercury thermometers hanging in the strawberry production shed Methods: The temperature in the shed was recorded regularly, and the shed temperature was ≥50°C for 20 days.

[0046] (2) Strawberry colonization.

[0047] (3) Initial stage of planting: After more than half of the strawberry seedlings in the facility shed reach the stage of 3 leaves and 1 heart, after 4 o'clock in the afternoon, spray the leaf surface of the strawberry plant and the junction of the rhizome to carry out disinfection tr...

Embodiment 2

[0055] A method utilizing lime sulfur to prevent and treat strawberry powdery mildew, comprising the following steps:

[0056] (1) Before harvesting of previous crops or planting of strawberries:

[0057] Use mechanical tillage tools such as rotary tillers to deep plow the soil in the strawberry production shed. After the deep plowing is completed, add enough water, close the greenhouse film, and make full use of solar energy to sterilize the production soil at high temperature; use mercury thermometers hanging in the strawberry production shed Methods: The temperature in the shed was recorded regularly, and the shed temperature was ≥45°C for 25 days.

[0058] (2) Strawberry colonization.

[0059] (3) Initial stage of planting: After more than half of the strawberry seedlings in the facility shed reach the stage of 3 leaves and 1 heart, after 4 o'clock in the afternoon, spray the leaf surface of the strawberry plant and the junction of the rhizome to carry out disinfection tr...

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Abstract

The invention provides a method for preventing and treating strawberry powdery mildew by utilizing lime sulfur, and belongs to the technical field of crop disease prevention and treatment. The method comprises the step of spraying lime sulfur in the early planting stage of strawberries, the early flowering stage of first-crop flower buds and the fruiting stage of first-crop, second-crop and third-crop inflorescences. The lime sulfur is sprayed in multiple growth periods of strawberries, strawberry powdery mildew can be effectively prevented and treated, negative effects on nutrition and reproductive growth of strawberry flowering, fruit swelling and the like are avoided, the fruit yield and quality are further improved, and application and popularization in strawberry facility cultivation are facilitated.

Description

technical field [0001] The invention belongs to the technical field of crop disease prevention and control, and in particular relates to a method for preventing and treating strawberry powdery mildew by using lime sulfur. Background technique [0002] Strawberry powdery mildew is a major disease in strawberry fresh fruit production in my country and even in the world, which greatly restricts the healthy development of strawberry industry. Improper control of strawberry powdery mildew can lead to severe yield reduction or even destruction. At present, more than 95% of strawberry production in my country is cultivated in plastic greenhouse facilities. The production environment of the facilities has high humidity and high temperature, which provides a suitable environment for the occurrence and development of strawberry powdery mildew. Strawberry powdery mildew fungal spores can spread with the air. In addition, strawberry powdery mildew fungal spores can contaminate trousers...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01G22/05A01G7/06
CPCA01G13/00A01G22/05A01G7/06
Inventor 关玲赵密珍孟宪凤陈志京夏谨庞夫花吴娥娇许林林
Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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