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Cruciferous vegetable downy mildew control method

A technology for cruciferous vegetables and downy mildew, which is applied in the field of plant protection, can solve the problems that the occurrence and spread of downy mildew in cruciferous vegetables cannot be effectively prevented, and the prevention and control methods are single, so as to achieve good economic benefits, reduce morbidity, The effect of reducing the mean morbidity

Inactive Publication Date: 2015-12-16
李美琼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] The invention provides a method for preventing and treating downy mildew of cruciferous vegetables, which solves the problem that the existing prevention and treatment methods for downy mildew of cruciferous vegetables are single and cannot effectively prevent and control the occurrence and spread of downy mildew of cruciferous vegetables

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] A control method for cruciferous vegetable downy mildew, comprising the following steps:

[0082] 1) Ecological governance:

[0083] Apply Woyiduo, activate the soil, improve soil fertility, enhance the absorption capacity of plant roots, increase roots, strong seedlings, and healthy plants;

[0084] 2) Agricultural control:

[0085] ① Select disease-resistant varieties, and choose disease-resistant varieties suitable for local cultivation according to local conditions;

[0086] ② Reasonable crop rotation, crop rotation with non-cruciferous crops, preferably flood and drought rotation, because flooding is not conducive to the survival of pathogen oospores, which can reduce the early onset;

[0087] ③Sow at the right time, and sow autumn cabbage at the right time and late, so that the core period can avoid the rainy season;

[0088] ④ Sowing should not be too dense, pay attention to time seedlings;

[0089] ⑤ High ridge cultivation, timely removal of accumulated wate...

Embodiment 2

[0105] A control method for cruciferous vegetable downy mildew, comprising the following steps:

[0106] 1) Ecological governance:

[0107] Apply Woyiduo, activate the soil, improve soil fertility, enhance the absorption capacity of plant roots, increase roots, strong seedlings, and healthy plants;

[0108] 2) Agricultural control:

[0109] ① Select disease-resistant varieties, and choose disease-resistant varieties suitable for local cultivation according to local conditions;

[0110] ② Reasonable crop rotation, crop rotation with non-cruciferous crops, preferably flood and drought rotation, because flooding is not conducive to the survival of pathogen oospores, which can reduce the early onset;

[0111] ③Sow at the right time, and sow autumn cabbage at the right time and late, so that the core period can avoid the rainy season;

[0112] ④ Sowing should not be too dense, pay attention to time seedlings;

[0113]⑤ High ridge cultivation, timely removal of accumulated water...

Embodiment 3

[0129] A control method for cruciferous vegetable downy mildew, comprising the following steps:

[0130] 1) Ecological governance:

[0131] Apply Woyiduo, activate the soil, improve soil fertility, enhance the absorption capacity of plant roots, increase roots, strong seedlings, and healthy plants;

[0132] 2) Agricultural control:

[0133] ① Select disease-resistant varieties, and choose disease-resistant varieties suitable for local cultivation according to local conditions;

[0134] ② Reasonable crop rotation, crop rotation with non-cruciferous crops, preferably flood and drought rotation, because flooding is not conducive to the survival of pathogen oospores, which can reduce the early onset;

[0135] ③Sow at the right time, and sow autumn cabbage at the right time and late, so that the core period can avoid the rainy season;

[0136] ④ Sowing should not be too dense, pay attention to time seedlings;

[0137] ⑤ High ridge cultivation, timely removal of accumulated wate...

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Abstract

The invention relates to a cruciferous vegetable downy mildew control method comprising the following steps: 1, ecology treatment: applying woyiduo fertilizer; 2, agriculture control; 3, biotic control; 4, biological control; 5, physical control; 6, chemical control: enhancing field inspection, checking early sowing field and low-lying land with focus, spotting center sick plants and timely spraying for protection, thus controlling disease spreading, wherein the spray drugs are focused on blade backs; the applied chemical agents comprise: 72.2%propamocarb hydrochloride hydrochloride aqua 550-650 times liquid, 25% metalaxyl propamocarb hydrochloride wettability pulvis 450-550 times liquid, 58% metalaxyl manganese zinc wettability pulvis 450-550 times liquid, 80%mancozeb wettability pulvis 450-550 times liquid or 70% propineb wettability pulvis; the method can effectively prevent cruciferous vegetable downy mildew, uses agriculture control and physical control to reduce cruciferous vegetable downy mildew average incidence rate, thus increasing output, obviously improving plant level, and gaining good economic benefit.

Description

technical field [0001] The invention relates to a method for preventing and treating cruciferous vegetable downy mildew, and belongs to the technical field of plant protection. Background technique [0002] Cruciferous vegetable downy mildew is one of the important diseases of cruciferous vegetables. It occurs all over China, and it is easy to be prevalent in areas along the river, coastal areas and humid and cool climates. In the year when the disease is prevalent, the incidence rate of Chinese cabbage strains can reach 80% to 90%, and the yield is reduced by 30% to 50%, and the diseased plants are not resistant to storage. [0003] Cruciferous vegetables can be affected throughout the growth period. It mainly harms the leaves, and secondly harms the stems, pedicels and fruit pods of the seedlings. Leaf disease in the adult plant stage usually starts from the lower or outer leaves. In the early stage of the disease, small light green spots appeared on the front of the le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G1/00C05G3/00
CPCA01G13/00C05F1/005C05G3/00
Inventor 李美琼李佩龙
Owner 李美琼
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