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Method for controlling wheat take-all in newly-reclaimed farmland

A technology for wheat take-all and farmland, applied in botany equipment and methods, horticulture, applications, etc., can solve the problems of small number and types of microorganisms, no very effective control methods, and difficulties in prevention and control work, and achieve rich microbial communities , Enhanced disease resistance, strong antibacterial effect

Inactive Publication Date: 2010-05-12
NINGXIA ACADEMY OF AGRI & FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in newly reclaimed land, take-all of wheat, the main crop, occurs seriously. According to our investigation, the newly reclaimed farmland has been continuously cropped for 3 years, and the yield of wheat has decreased by more than 20%; The benefits and development prospects of newly reclaimed farmland have become an important constraint factor for the development of newly reclaimed farmland, and it has reached the point where it must be resolved
Wheat take-all disease is mainly transmitted by soil. Its occurrence is affected by various factors such as soil microorganisms and physical and chemical properties. It is extremely difficult to prevent and control it. It is called the "cancer" of plant diseases. It is not very effective in production except crop rotation. prevention methods
Due to the poor soil and the small number and types of microorganisms in the newly reclaimed farmland, soil-borne diseases such as wheat take-all are serious, which has caused great difficulties for the sustainable development of the newly reclaimed farmland, and there is no solution yet

Method used

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  • Method for controlling wheat take-all in newly-reclaimed farmland
  • Method for controlling wheat take-all in newly-reclaimed farmland
  • Method for controlling wheat take-all in newly-reclaimed farmland

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Evaluation of Soil Microflora of Newly Reclamated Farmland

[0016] 1. Materials and methods

[0017] 1.1 Selection of test site

[0018] The experimental field is arranged in Team 2, Weizha Village, Weizha Township, Huinong District, Shizuishan City, Ningxia. This test site is a newly reclaimed land with an area of ​​1043.7 (49×21.3) m 2 , the soil is highly saline and alkaline, the fertility is insufficient, and the drainage and irrigation conditions are more convenient.

[0019] 1.2 The composition of the main community structure of soil microorganisms in newly cultivated farmland

[0020] 1.2.1 Sampling time: September 10, 2002

[0021] 1.2.2 Sampling method

[0022] Soil samples were collected at five points, and the soil depths were 0-15cm, 15-30cm, and 30-45cm. The soil samples at the same level at different locations were mixed and sealed, and brought back to the laboratory for analysis and determination.

[0023] 1.2.3 Measurement content and method

[0...

Embodiment 2

[0039] Effects of different crop planting patterns on soil microbial diversity and occurrence of wheat take-all

[0040] 1. Materials and methods

[0041] 1.1 Test soil

[0042] The soil was taken from the newly reclaimed farmland of Team 2, Weizha Village, Weizha Township, Huinong District, Shizuishan City, Ningxia after planting crops.

[0043] 1.2 Experimental design

[0044] In 2003, the new reclamation test site selected in 2002 was divided into 7 plots on average, and 7 crops of wheat, flax, corn, garlic, rape, and broad bean were planted respectively, and the area of ​​each plot was 128.45 (6.5×21.3) m 2 , normal management in the field; 128.45 (6.5×21.3) m2 experimental plots where wheat, corn, broad bean, oil sunflower, rapeseed, garlic, and flax were planted in 2003 2 Divide them into two parts, one half will continue to plant the same crops as last year, and the other half will plant wheat under normal management; in 2005, the plots (1 / 2 ) and then divided into ...

Embodiment 3

[0075] Example 3: Research on functional diversity of soil microbial communities in different crop planting patterns

[0076] 1. Materials and methods

[0077] 1.1 Test soil

[0078] The soil for the test was taken from the newly reclaimed land in Weizha Township, Huinong District, Shizuishan City, Ningxia. The soil samples were the soil of 19 experimental plots with different crop planting patterns. The types of crops are wheat, flax, corn, garlic, rapeseed, sunflower, broad bean.

[0079] 1.2 Sampling time and method

[0080] The sampling time was June 30, 2008. The five-point sampling method was adopted for the soil samples, and the depth of the sampling soil layer was 0-15 cm. The soil samples of the same layer at different sites were mixed, sealed and brought back to the laboratory. The soil samples were stored in a refrigerator at 4 °C. The Biolog method was Measure within 48 hours.

[0081] 1.3 Determination method

[0082] The Biolog-ECO microplate method was use...

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Abstract

The invention relates to a method for controlling wheat take-all, in particular to a method for controlling the wheat take-all in a newly-reclaimed farmland. The method is characterized in that the farmland is used for growing garlic continuously for the first 3 years and then is used for growing wheat continuously, wherein the farmland is a newly-reclaimed farmland which is never used for growing any crops and has high soil salinity and alkalinity and insufficient fertility. The invention provides an excellent natural control technique mode which is simple and easy, and can control the wheat take-all in the newly-reclaimed farmland.

Description

technical field [0001] The invention relates to a method for preventing and controlling wheat take-all, in particular to a method for preventing and treating wheat take-all in newly cultivated farmland. Background technique [0002] Reclamation of wasteland is one of the important measures to address poverty and ensure food security. In order to help the farmers in the southern mountainous areas get rid of poverty and realize the agricultural take-off of our region, the Party committee and government of Ningxia Hui Autonomous Region built and expanded the Yellow River Yang Project, and the area of ​​newly reclaimed farmland in Hongsibao, Yanchi County, Huinong District, Pingluo County and other places is rapidly increasing. Expanding, the newly irrigated area of ​​Guhaiyanghuang irrigation area alone will increase by 1.3 million mu. In the future, with the implementation of the Daliushu project, the area of ​​newly reclaimed farmland in Ningxia will greatly increase. Howeve...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 沈瑞清康萍芝张萍张丽荣郭成瑾白小军朱建祥哈金华吴惠玲张华普杨卫东
Owner NINGXIA ACADEMY OF AGRI & FORESTRY SCI
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