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Control method for tomato basal stem rot

A technology for stem rot and tomato, applied in the field of compound pesticides, can solve the problems of increasing the difficulty and cost of prevention and control, and the improvement of drug resistance of pathogenic bacteria, and achieve the effects of improving disease resistance, reducing losses, and promoting robust growth

Inactive Publication Date: 2015-10-28
李佩龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention proposes a method for preventing and treating tomato stalk rot, which solves the problems in the prior art that single long-term medication often increases the resistance of pathogenic bacteria and increases the difficulty and cost of prevention and control.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0026] In chemical control, after transplanting and returning seedlings, use 58% nail frost manganese zinc 150 g / mu, mix 100 kg of water to irrigate the roots once; in 100 ml of water, dissolve 0.1 g of amino oligosaccharin and 4 g of hymexazol, 5g lentinan, diluted 800 times with water, sprayed.

Embodiment 2

[0028] In chemical control, after transplanting and returning seedlings, use 58% nail cream · manganese zinc 150 g / mu, mix 100 kg of water to irrigate the roots once; dissolve 0.5 g of amino oligosaccharin and 8 g of hymexazol in 100 ml of water, 15g lentinan, diluted 1000 times with water, sprayed.

Embodiment 3

[0030] In chemical control, after transplanting and returning seedlings, use 58% nail frost · manganese zinc 150 g / mu, mix 100 kg of water to irrigate the roots once; dissolve 0.3 g of amino oligosaccharin and 6 g of hymexazol in 100 ml of water, 10g lentinan, diluted 900 times with water, sprayed.

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Abstract

The present invention relates to a control method for tomato basal stem rot, aiming at solving the problems in the prior art that the control difficulty is increased and the control cost is increased as the drug resistance of bacteria is usually improved due to the fact that a pesticide is singly used for a long period. The control method is carried out according to the following manner: (1) carrying out soil ecological management; (2) carrying out agricultural control; (3) carrying out biological control; (4) carrying out biological prevention and treatment; (5) carrying out physical prevention and treatment; (6) carrying out chemical control: after transplanting and returning seedings, blending 150g of 58% metalaxyl*mancozeb with 100kg of water per mu, and irrigating roots once; and in 100ml of the water, dissolving 0.1-0.5g of chitosan oligosaccharide, 4-8g of hymexazol, 5-15g of lentinan, adding the water to dilute for 800-1000 folds, and then spraying. By virtue of the control method, the healthy and strong growth of plants is facilitated, the disease resisting capability of the plants is improved, the loss is reduced and diseases can be effectively prevented from occurring. The plants are treated when being not attacked so that the tomato pythium basal stem rot can be effectively prevented and treated.

Description

technical field [0001] The invention relates to the technical field of compound pesticides, in particular to a method for preventing and treating tomato stalk rot. Background technique [0002] Tomato stalk rot is an important disease in tomato production. In recent years, it has commonly occurred in northern protected areas and tomato planting after autumn delay, and in severe cases it will lead to extinction. Tomato stem base rot mainly damages the base of the stem or the main underground lateral roots. The diseased part is dark brown at first, and then spreads around the base of the stem for a week, the cortex rots, the leaves above the ground turn yellow and wilt, and the whole plant dies later, and the surface of the diseased part often forms black. Brown sclerotia of various sizes. The fungus overwinters in the soil and can survive in the soil for 2-3 years. The current prevention and control methods include physical methods such as deep plowing of the soil and water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G1/00
CPCA01G13/00A01G22/00
Inventor 李佩龙李美琼
Owner 李佩龙
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