Method for screening drought-resistant soybean varieties

A technique for soybeans and varieties, applied in botany equipment and methods, planting substrates, legume cultivation, etc., can solve problems such as greater influence on growth degree, and achieve the effect of good plant growth, yield and quality improvement

Active Publication Date: 2019-03-15
YUNCHENG UNIVERISTY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is proposed to identify the drought resistance of different varieties of the same soybean according to the development

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A kind of method of screening drought-tolerant soybean variety of embodiment 1, comprises the steps:

[0036] (1) Crush corn stalks and bones, then mix them according to the weight ratio of corn stalks, decomposed cow dung, rice husk, bone residue, slag and vermicompost 1:3.5:1.5:1.5:2.5:4.5, and then mix the mixture with multi-bacteria The spirit is mixed according to the ratio of 10L:0.8g, and fermented and decomposed to obtain an organic ecological cultivation substrate. The organic ecological cultivation matrix is ​​used without deliberate pressing and compaction. The physical and chemical properties of the matrix are as follows: the bulk density is 0.77g / cm 3, the total porosity is 76%, the ventilation pores are 16%, the water-holding pores are 60%, the pH value is 6.6, the conductivity is 3.49m s / cm, and the cation exchange capacity is 64c mol / kg.

[0037] (2) Select soybean seeds of three varieties A, B, and C with full and uniform grains and no disease, and sow...

Embodiment 2

[0046] A kind of method of screening drought-tolerant soybean variety of embodiment 2, comprises the steps:

[0047] (1) Crush corn stalks and bones, then mix them according to the weight ratio of corn stalks, decomposed cow dung, rice husk, bone residue, slag and vermicompost 1:4.5:0.5:2.5:1.5:5.5, and then mix the mixture with multi-bacteria The spirit is mixed according to the ratio of 10L: 1.2g, and fermented and decomposed to obtain an organic ecological cultivation substrate. The organic ecological cultivation matrix is ​​used without deliberate pressing and compaction. The physical and chemical properties of the matrix are as follows: the bulk density is 0.79g / cm 3 , the total porosity is 78%, the ventilation pores are 18%, the water-holding pores are 62%, the pH value is 6.4, the conductivity is 3.57m s / cm, and the cation exchange capacity is 61c mol / kg.

[0048] (2) Select soybean seeds of three varieties A, B, and C with full and uniform grains and no disease, and s...

Embodiment 3

[0057] A kind of method of screening drought-tolerant soybean variety of embodiment 3, comprises the steps:

[0058] (1) Crush the corn stalks and bones, then mix them according to the weight ratio of corn stalks, decomposed cow dung, rice husk, bone residue, slag and vermicompost 1:4:1:2:2:5, and then mix the mixture with multi-bacteria Ling is mixed according to the ratio of 10L: 1g, and fermented and decomposed to obtain an organic ecological cultivation substrate. The organic ecological cultivation matrix is ​​used without deliberate pressing and compaction. The physical and chemical properties of the matrix are as follows: the bulk density is 0.71g / cm 3 , the total porosity is 77%, the ventilation pores are 14%, the water-holding pores are 61%, the pH value is 6.2, the conductivity is 3.44m s / cm, and the cation exchange capacity is 69c mol / kg.

[0059] (2) Select soybean seeds of three varieties A, B, and C with full and uniform grains and no disease, and sow one soybean...

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Abstract

The invention relates to a method for screening drought-resistant soybean varieties. The method sequentially comprises the steps of organic ecological culture medium formula development, drought-resistant variety evaluation and screening, drought-resistant capacity value calculation, drought-resistant capacity identification and the like. According to the method for screening the drought-resistantsoybean varieties, by researching the influences of media of different formulas on the soybean growth vigor, plant photosynthetic indexes, root systems, yield and quality, the optimum formula of thesoybean organic ecological culture medium is determined; compared with field planting, by applying the culture medium, on one hand, the plant growth vigor is good, and the yield and the quality are improved; on the other hand, the dosage of chemical fertilizer and pesticide can be reduced, and water and fertilizer are saved.

Description

technical field [0001] The invention relates to the field of crop planting, in particular to a method for screening drought-tolerant soybean varieties. Background technique [0002] Soybean is a plant of Gramineae, Poaceae, and Glycine genus. It is a strong annual herb with yellowish-white fibrous roots, spongy, and about 3 mm in diameter. The flowering and fruiting period is from June to December. It is mainly produced in Qichun, Hubei, Hunan, Hebei, Jiangsu, Fujian and other provinces in China. Soybean seeds are one of the traditional food resources in China, which can be made into porridge, rice, and various pasta for people to eat. It is especially suitable for the elderly, weak and sick. Sweet, light, slightly cold in nature. Among them, the origin of Siliu Mountain Village in Qichun is the most famous. It has the functions of invigorating the spleen and dampness, clearing away heat and discharging pus, and beautifying the skin. [0003] For soybeans, the degree of...

Claims

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Application Information

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IPC IPC(8): A01G22/40A01G24/22A01G24/20A01G24/10A01G24/25A01G24/30G06F17/18
CPCA01G22/40A01G24/10A01G24/20A01G24/22A01G24/25A01G24/30G06F17/18
Inventor 杜磊
Owner YUNCHENG UNIVERISTY
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