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A breeding method capable of improving corn disease resistance

A cultivation method and technology for disease resistance, which are applied in the field of cultivation that can improve the disease resistance of corn, can solve problems such as unresolved disease resistance, and achieve the effects of inhibiting root rot and improving disease resistance.

Inactive Publication Date: 2021-08-03
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the relevant technologies recorded in the prior art for the study of intercropping and interplanting of corn and Radix Pseudostellaria mainly focus on improving the yield of corn with Radix Pseudostellariae, but the problem of improving its disease resistance has not been solved, but only the disease resistance of crops The ability to improve can better ensure the yield of crops, so it is urgent to provide a method that can improve the disease resistance of corn and Radix Pseudostellariae

Method used

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  • A breeding method capable of improving corn disease resistance
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A breeding method capable of improving disease resistance of corn:

[0028] (1) Land selection and land preparation: select a field with an altitude of 2000m, deep soil and good drainage, dig the field deeply, remove crop residues, use 1500kg / mu of disease-resistant nutrient organic fertilizer as base fertilizer, and spread it evenly; the disease-resistant The nutritional organic fertilizer is a mixture of human and animal manure, ammonium phosphate, lanthanum nitrate, zinc nitrate, illite powder, bentonite, humic acid, and trace elements in a ratio of 30:5:0.5:1:3:5:10:1; The components contained are all commercially available products; during the preparation process of the disease-resistant nutritional organic fertilizer, yeast powder and Trichoderma viride are added to sterilize and complete fermentation and decomposing;

[0029] (2) Sowing: in mid-November, sow the root tubers of Pseudostellariae Pseudostellariae, the distance between plants and rows of Pseudostella...

Embodiment 2

[0034] A breeding method capable of improving disease resistance of corn:

[0035] (1) Land selection and land preparation: select a field with an altitude of 2200m, deep soil and good drainage, dig the field deeply, remove crop residues, use 1500kg / mu of disease-resistant nutritional organic fertilizer as base fertilizer, and spread it evenly; the disease-resistant The nutritional organic fertilizer is a mixture of human and animal manure, ammonium phosphate, lanthanum nitrate, zinc nitrate, illite powder, bentonite, humic acid, and trace elements in a ratio of 40:10:1:2:4:10:15:1.5; The components contained are all commercially available products; during the preparation process of the disease-resistant nutritional organic fertilizer, yeast powder and Trichoderma viride are added to sterilize and complete fermentation and decomposing;

[0036] (2) Sowing: Sow the roots of Pseudostellariae Pseudostellariae in mid-November. After planting Pseudostellariae heterophylla, weeds sh...

Embodiment 3

[0041] A breeding method capable of improving disease resistance of corn:

[0042](1) Land selection and land preparation: select a field with an altitude of 2200m, deep soil and good drainage, dig the field deeply, remove crop residues, use 1500kg / mu of disease-resistant nutritional organic fertilizer as base fertilizer, and spread it evenly; the disease-resistant The nutritional organic fertilizer is a mixture of human and animal manure, ammonium phosphate, lanthanum nitrate, zinc nitrate, illite powder, bentonite, humic acid, and trace elements in a ratio of 35:8:0.7:1.5:3.5:8:9:1.2; The components contained are all commercially available products; during the preparation process of the disease-resistant nutritional organic fertilizer, yeast powder and Trichoderma viride are added to sterilize and complete fermentation and decomposing;

[0043] (2) Sowing: Sow the root tubers of Pseudostellariae Pseudostellariae in mid-November. Interplanting corn in the plots planted by pa...

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Abstract

The invention relates to a method for improving crop disease resistance, in particular to a cultivation method capable of improving corn disease resistance. The method provided by the present invention has an excellent auxiliary effect on increasing corn production for two consecutive years. Compared with general single-species corn, the method provided by the present invention can increase 41.1% to 45.5% compared with single-species; the corn yield in the second year The yield per unit weight has increased by 35.14-37.75%; the continuous growth of corn yield has been realized; and the present invention also has an excellent effect on improving the growth of Radix Pseudostellariae. 35%; the yield in the second year increased by 31.87% to 40.62% compared with that of a single species. At the same time, the method provided by the invention effectively suppresses the root rot of the heterophylla and the gray spot of the corn, and greatly improves the disease resistance of crops.

Description

technical field [0001] The invention relates to a method for improving crop disease resistance and yield, in particular to a cultivation method capable of improving corn disease resistance. Background technique [0002] Corn is one of the most important foodstuffs in the world. Among them, corn accounts for 50% of the food composition of Asians, and more than 90%. A Chinese medicinal material with the effect of invigorating qi and invigorating the spleen. It is the dried root tuber of ginseng of the caryophyllaceae family. It is often used for spleen deficiency, fatigue, loss of appetite, weakness after illness, deficiency of qi and yin, spontaneous sweating and thirst, and dry cough due to dryness of the lungs; Pseudostellaria is widely distributed in my country and grows in valleys of 800-2700m; the yield is low, it is difficult to form a large scale, and in planting, Pseudostellariae is susceptible to root rot, and corn is susceptible to gray spot disease and large spot dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/20C05G3/80C05G5/20C05G1/00
CPCA01G22/20C05B7/00C05C5/00C05G3/80C05D9/00C05D9/02C05F3/00C05F3/04C05F11/02C05F11/08C05C11/00
Inventor 张素芝丁舰周杜含梅李洪杰赵卓周丽娜李乙弘屈敏刘婵王宁
Owner SICHUAN AGRI UNIV
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