Method for efficiently and comprehensively preventing and controlling sesame diseases

A technology for comprehensive prevention and control of sesame seeds, applied in the field of prevention and control of sesame diseases, can solve the problems of slow progress in sesame disease-resistant breeding, excessive pesticide residues in agricultural products, and genetic variation of pathogenic bacteria, and achieves good comprehensive prevention and control effects, good economic benefits and ecological Effective, low cost effect

Active Publication Date: 2014-12-17
HENAN SESAME RES CENT HENAN ACADEMY OF AGRI SCI +2
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, due to the weak research foundation of sesame diseases, the progress of sesame disease-resistant breeding is relatively slow, and the overall disease resistance of varieties still needs to be improved; in actual production, farmers mainly use chemical control methods for sesame diseases, and the control methods are relatively single
In the actual application of chemical control and biological control technologies to prevent and control sesame wilt, there are still problems such as poor control effect and high cost
In addition, in the process of disease prevention and control, the frequent use of a large number of chemical pesticides can easily lead to gene mutations and antagonistic effects of pathogenic bacteria, and damage the ecological environment, and frequent problems such as excessive pesticide residues in agricultural products

Method used

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  • Method for efficiently and comprehensively preventing and controlling sesame diseases
  • Method for efficiently and comprehensively preventing and controlling sesame diseases

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Example 1: A method for efficient comprehensive prevention and control of sesame diseases in Huanghuai sesame production areas

[0027] (1) Select 5 mu of farmland with better drainage and irrigation conditions in Xiangcheng, Henan, and plant Zhengzhi 13, a high-resistance fine variety suitable for the ecological conditions of the Huanghuai region. Wheat stubble is planted with equal row spacing, the row spacing is 40 cm, and 10,000 plants / mu.

[0028] (2) Before sowing, use 0.15% of seed weight as 25 g / liter Shileh for seed dressing before sowing, and then sow after drying.

[0029](3) Disease control at the seedling stage: For strong seedlings, 0.01% brassinolide 3000 times (10 ml / mu) + NEB 2500 times (10 ml / mu) + biocontrol bacteria (Bacillus licheniformis + Bacillus subtilis) bacterial liquid 600 times (50 milliliters / mu), spray after mixing.

[0030] (4) Prevention and control of diseases in flowering stage: Sesame enters the flowering stage in the first ten days...

Embodiment 2

[0033] Example 2: A method for efficient and comprehensive prevention and control of sesame diseases in North China sesame producing areas

[0034] (1) In Jingxian County, Hebei Province, 15 mu of farmland with better drainage and irrigation conditions were selected, and Jihangzhi No. 1, a high-resistance fine variety suitable for the ecological conditions of North China, was planted. Corn stubble is sown and planted in double rows with a ridge width of 60 cm and a ridge height of 10-12 cm. The average row spacing is 55 cm, 10,000 plants / mu.

[0035] (2) Dress the seeds with 0.15% of the seed weight of 25 g / L Shileh before sowing, and sow after drying.

[0036] (3) Disease prevention and control at the seedling stage: 2 pairs of true leaves after the emergence of sesame seedlings, there are a small number of wilted diseased plants. Select 0.01% brassinolide 3000 times (10 ml / mu) + NEB 2500 times (10 ml / mu) + Bacillus subtilis bacterial liquid 600 times (50 ml / mu), mix and sp...

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Abstract

The invention provides a method for efficiently and comprehensively preventing and controlling sesame diseases. The method comprises the following steps: (1) selecting a disease-resistant variety; (2) selecting a high-quality farmland; (3) seeding in good time, performing rational close planting and performing crop rotation; (4) performing seed coating treatment; (5) preventing and controlling diseases in a seedling stage; (6) preventing and controlling diseases in a flowering stage; (7) harvesting in good time. The method can be used for effectively preventing and treating main diseases such as wilt of sesame, stem wilt and leaf wilt, the comprehensive prevention and control effect can be up to 77.37%-89.5%, and the yield is improved to 85.9-93.6%. The method is simple in comprehensive prevention and control step, reasonable in design, efficient and safe, high in practicability, high in prevention and control efficiency, good in result repetitiveness and low in cost, and can be used for increasing the sesame unit production and increasing incomes of farmers under the condition of not increasing the prevention and control cost, and is wide in technical application range and obvious in economic benefits and ecological benefits.

Description

technical field [0001] The invention relates to a method for preventing and controlling sesame diseases, in particular to an efficient and comprehensive method for preventing and controlling sesame diseases. Background technique [0002] Sesamum (Sesamum indicum L., 2n=26), belonging to the genus Linaceae, is an annual herb. It is one of the oldest oil crops in the world, and it is also a high-quality oil crop sesame in my country. The annual planting area of ​​sesame in my country is about 12 million mu, and the total output is about 750,000 tons, which plays an important role in the international oil trade. [0003] Sesame planting areas in my country are very extensive, with Henan, Anhui, and Hubei as the main producing areas, followed by Jiangxi, Shaanxi, Hebei, Shanxi, Jiangsu, and Liaoning. The growth period of sesame is short (about 85 days), but due to the poor disease resistance of sesame, major diseases such as sesame blight, stem blight and leaf blight are more c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/06A01C1/06
Inventor 苗红梅张海洋杨光宇段迎辉徐桂真魏利斌李伟峰张战有
Owner HENAN SESAME RES CENT HENAN ACADEMY OF AGRI SCI
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