Method for preventing and treating clubroot diseases of cruciferous crops

A technology for cruciferous crops and clubroot, which is applied in the fields of land preparation, leaf crop cultivation, chemical instruments and methods, etc., can solve the problem that the yield and quality of cruciferous crops are greatly affected, the outbreak of clubroot, and the complicated operation. and other problems, to achieve the effect of improving soil physical and chemical properties, increasing soil organic matter, and improving soil environment

Active Publication Date: 2019-08-09
成都华宏生物科技有限公司
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AI Technical Summary

Problems solved by technology

This method uses a large number of biological bacteria to fertilize and benefit more, and the operation is complicated, and its control effect needs to be verified by field experiments
[0010] The above-mentioned schemes have a single effect. Although the acidity of the soil has been solved to a certain extent, the use of a single microbial agent can reduce the incidence of clubroot, but it has a great impact on the yield and quality of cruciferous crops, and there will still be clubroot in the future. possibility of disease outbreak

Method used

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  • Method for preventing and treating clubroot diseases of cruciferous crops
  • Method for preventing and treating clubroot diseases of cruciferous crops
  • Method for preventing and treating clubroot diseases of cruciferous crops

Examples

Experimental program
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Effect test

Embodiment 1

[0030] This embodiment is carried out at the potted plant test field of Huazhong Agricultural University, Wuhan City, Hubei Province, and comprises the following steps:

[0031] (1) Soil acidity improvement: test the soil pH, determine the amount of soil conditioner per mu according to the soil pH value, soil pH=6), spread the "Shidijia" organic soil conditioner, including the following components: amino acid 150g / L , Organic matter 250g / L, dosage 10 kg per mu, 20 kg per mu, spray "Shidijia" organic soil conditioner stock solution or water 30 times directly into the soil surface.

[0032](2) Soil remediation treatment: Mix Trichoderma viride, Bacillus licheniformis, Bacillus subtilis, Saccharomyces cerevisiae, and the bacterial agent at a ratio of 1:1:1:1, and the carrier is attapulgite mixed with the bacterial agent at a ratio of 1:1. The "God Hoe" compound microbial soil repair agent has a viable count of 50 million / g and an organic matter content of 20%. According to the s...

Embodiment 2

[0048] This embodiment tested rice in the first season from May to September in 201×, and carried out in Shawan Village, Shouan Town, Pujiang County, Chengdu City from October to May in 201× (the second season of rapeseed planting) ),

[0049] Rice rape has been planted in this demonstration field for a long time, and the incidence of rape clubroot has reached more than 60%.

[0050] Test method: Carry out a large-scale demonstration of Shidijia soil conditioner on the basis of local conventional fertilization. And set up 5 same-field comparison experiments in the demonstration area, the conventional control area is 2.4 mu in total, and the Shidijia soil conditioner treatment is 3.21 mu. The comparison test was set up in Comparative Example 1 and Example 2, ditching and building ridges were isolated between the treatments, and a 60-centimeter protective row was left around the test field. Rapeseed adopts single seedling transplanting method. Other cultivation management mea...

Embodiment 3

[0066] In 201×, on the basis of the experiment in the upper plot of paddy rice in Zunyi County, Guizhou, this embodiment continued to implement the rape test in 201×.

[0067]Basic conditions of the test site: The test site is located in the field under the responsibility of Liu Yuancai, Qingshan Villager Group, Changqing Village, Sanhe Town, and the name of the field is Banbiantian. The previous crop was rice, and the soil of the experimental field was yellow mud, with an altitude of 896 m, and the soil fertility was medium. The longitude is 106°46′04.7″, the north latitude is 27°26′36.1″, and the former crop is rice.

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Abstract

Disclosed is a method for preventing and treating clubroot diseases of cruciferous crops. The method comprises the following steps of (1) soil acidity improvement; (2) soil remediation treatment; (3)soil fertility adjustment; (4) root irrigation treatment; (5) nutrient balance. By means of the method, in the process of implementing prevention and control, chemical pesticides are not adopted, themethod is non-toxic and harmless to the crops and is not influenced by geological conditions or the soil environment, and it is proved through field experiments that the effect of preventing and treating the clubroot diseases is outstanding and stable; an adopted organic soil conditioner is easily biodegraded, soil hardening and environmental pollution are not easily caused while the physical andchemical properties of the soil can be improved, the quantity of pathogens in the soil can be reduced, the occurrence of the diseases is prevented from the source, and the functions of improving the soil fertility and promoting the growth of the crops can be achieved. When the method is especially applied to crop rotation of rice and rapeseed or wheat and rice or vegetables and rice, the effect isobvious in two seasons, and the effect of preventing and treating the clubroot diseases is the most obvious.

Description

technical field [0001] The invention relates to the field of clubroot prevention and control, in particular to a method for preventing and treating clubroot of cruciferous crops. Background technique [0002] Clubroot of cruciferous crops is widely distributed in my country, basically covering the main planting areas of cruciferous crops in my country. Due to the hazards of clubroot of cruciferous crops, many diseased areas can no longer grow cruciferous vegetables and rapeseed crops, which seriously affects the production, life and economic benefits of farmers. The causative bacterium of clubroot in cruciferous crops is Plasmodium brassicae, which is an obligate parasite and mainly harms the roots of cruciferous plants. It can produce hormones such as indole acetic acid and cytokinins, causing plant root tissue Swelling; the pathogen is mainly transmitted through the soil with the bacteria and the irrigation water contaminated by the bacteria, and it can also be spread ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/22A01G22/15A01G22/20A01B79/02C05G1/00C09K17/40C09K101/00C09K109/00
CPCA01B79/02A01G22/15A01G22/20A01G22/22C05C3/00C09K17/40C09K2101/00C09K2109/00C05C5/04C05D1/00C05D5/00C05D9/02C05G1/00C05C11/00
Inventor 李智强李慧文李越李娅吴幼叶关统伟官青松胡小朋许绍全李红梅周勤邓柯红刘书男李理李明峻李官辉刘记李瑶李红杨悦李小勤黄佳陆瑶
Owner 成都华宏生物科技有限公司
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