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Disease prevention and control method for tomato seedlings

A tomato and seedling technology, applied in the agricultural field, can solve the problems of unstable seedling cultivation quality, complicated operation and high cost, and achieve the effects of no phytotoxic reaction, high bactericidal activity and low cost

Inactive Publication Date: 2017-12-08
刘国华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The intensive seedling cultivation of growers has higher requirements on the emergence quality of seedlings, but the quality of seedling cultivation is not stable at present, and the operation is complicated and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A method for preventing and controlling tomato seedling diseases, carried out according to the following steps:

[0019] Step 1: Treat the seeds before sowing, soak the seeds in warm soup, put the seeds in hot water at 50°C, and keep the water temperature evenly soaked for 20 minutes;

[0020] The second step: substrate disinfection, add 30% Dover wettable powder to the substrate, the dosage is 35g / m 3 ;

[0021] Step 3: After the cotyledons of the seedlings are flattened, spray with 72.2% propamocarb hydrochloride aqueous solution 600 times;

[0022] Step 4: After the true leaves of the seedlings are pulled out and the seedbed is sprayed with water, use 75% chlorothalonil wettable powder 550 times liquid and mix with 3000 times liquid of Baishilu to spray the leaves;

[0023] Step 5: One day apart, after the seedbed is sprayed with water, use 1200 times of 46% copper hydroxide water dispersible granules, and at the same time add 3000 times of Baishilu to mix and spra...

Embodiment 2

[0026] A method for preventing and controlling tomato seedling diseases, carried out according to the following steps:

[0027] Step 1: Treat the seeds before sowing, soak the seeds in warm soup, put the seeds in 57°C hot water, and keep the water temperature evenly soaked for 3 minutes;

[0028] The second step: Substrate disinfection, add 30% Dover wettable powder to the substrate, the dosage is 45g / m 3 ;

[0029] Step 3: After the cotyledons of the seedlings are flattened, spray with 72.2% propamocarb hydrochloride aqueous solution 800 times;

[0030] Step 4: After the true leaves of the seedlings are drawn out and the seedbed is sprayed with water, use 650 times of 75% chlorothalonil WP and mix with 3000 times of Baishilu to spray the leaves;

[0031] Step 5: One day apart, after the seedbed is sprayed with water, use 1700 times of 46% copper hydroxide water dispersible granules, and at the same time add 3000 times of Baishilu to mix and spray on the leaves;

[0032] St...

Embodiment 3

[0034] A method for preventing and controlling tomato seedling diseases, carried out according to the following steps:

[0035] Step 1: Treat the seeds before sowing, soak the seeds in warm soup, put the seeds in hot water at 55°C, and keep the water temperature evenly soaked for 15 minutes;

[0036] The second step: matrix disinfection, add 30% Dover wettable powder to the matrix, the dosage is 40g / m 3 ;

[0037] Step 3: After the cotyledons of the seedlings are flattened, spray with 72.2% propamocarb hydrochloride aqueous solution 700 times;

[0038] Step 4: After the true leaves of the seedlings are pulled out and the seedbed is sprayed with water, use 600 times of 75% chlorothalonil WP and mix with 3000 times of Baishilu to spray the leaves;

[0039] Step 5: One day apart, after the seedbed is sprayed with water, use 1500 times of 46% copper hydroxide water dispersible granules, and at the same time add 3000 times of Baishilu to mix and spray on the leaves;

[0040] Ste...

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Abstract

The invention relates to a disease prevention and control method for tomato seedlings. According to the technical scheme, the method includes the steps of firstly, processing seeds before sowing; secondly, sterilizing substrates; thirdly, using the 600-800 times solution of a 72.2% propamocarb hydrochloride aqueous solution to spray the seedlings when the cotyledons of the seedlings flatly spread; fourthly, after the true leaves of the seedlings grow and after seedling bed water spraying, mixing the 550-650 times solution of 75% chlorothalonil wettable powder with the 3000 times solution of organic silicon auxiliaries, and using the mixture to perform foliar spraying; fifthly, one day later, after the seedling bed water spraying, mixing the 1200-1700 times solution of 46% copper hydroxide water dispersible granules with the 3000 times solution of organic silicon auxiliaries, and using the mixture to perform foliar spraying. The method has the advantages that the cultivated tomato seedlings are healthy, free of diseases and stable in quality, and the method is simple to operate, low in cost and widely applicable to the technical field of tomato seedling cultivation.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a method for preventing and controlling tomato seedling diseases. Background technique [0002] Vegetables are the necessities of people's life. Vegetable seedlings are a vital link in the development of the vegetable industry. Healthy seedlings are the basis for ensuring a good harvest in the future. Vegetable tray intensive substrate seedling cultivation technology is to make full use of natural resources under artificially controlled environmental conditions, adopt scientific and standardized technical measures, and use mechanized and automated means to make seedlings intensively produced to achieve rapid, high-quality, and high-efficiency. It is a modern seedling raising method for batches and stable seedling growth, which has been popularized in a large area in production. [0003] The most basic work of vegetable intensive seedling cultivation is to reduce the probab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/06A01C1/00
CPCA01G7/06A01C1/00A01G22/00
Inventor 刘国华
Owner 刘国华
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