High-yield shade-tolerant soybean variety breeding method suitable for interval relay intercropping

A variety of soybean technology, applied in the field of breeding of high-yielding shade-tolerant soybean varieties, can solve the problems of lack of market competitiveness and low yield of soybean varieties, and achieve the effects of promoting the development of the soybean industry, promoting promotion, and good adaptability

Pending Publication Date: 2022-04-12
贵州省油料研究所
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AI Technical Summary

Problems solved by technology

China has self-selected varieties every year, but still needs to import a large amount of genetically modified soybeans. The primary reason is that the yield of soybean varieties in my country is low and lacks market competitiveness.

Method used

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  • High-yield shade-tolerant soybean variety breeding method suitable for interval relay intercropping
  • High-yield shade-tolerant soybean variety breeding method suitable for interval relay intercropping

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Embodiment 1

[0025] Embodiment 1: a kind of high-yield shade-tolerant soybean variety breeding method suitable for interval intercropping, the steps are as follows:

[0026] S1. Identification of shade tolerance of resources: Select high-stalk corn varieties with a flat plant type, and intercropping by planting two rows of corn and two rows of soybeans at intervals. Two rows of corn are intercropped with two rows of soybeans. The row distance between corn and corn is 50cm, and soybean The row spacing between soybeans and soybeans is 40cm, and the row spacing between corn and soybeans is 50cm;

[0027] S2. Parent selection: the female parent P1 selects high-yielding, high-quality, high-quality and resistant strains, and the male parent P2 selects local resources with good shade tolerance;

[0028] S3, planting of parental materials: sow in stages on the hybrid platform, so that P1 and P2 meet at the flowering stage;

[0029] S4. Hybridization: When P1 is budding, select the flower buds in ...

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Abstract

The invention discloses a high-yield shade-tolerant soybean variety breeding method suitable for interval relay intercropping, and belongs to the technical field of soybean variety breeding. S2, parent selection; s3, parent material planting; s4, hybridization: removing stamens when buds appear in P1, and marking; lightly coating the pollen of P2 on the stigma of P1 to finish pollination work; listing and bagging are carried out, and hybridization is completed; s5, harvesting pods marked with color lines to obtain an F1 generation when the P1 is mature; s6, adding the F1 generation in Hainan to obtain F7-8 generations; s7, performing a product comparison test and a shade-tolerant identification test on the F7-8 generations to obtain a stable strain; and S8, simultaneously carrying out regional test and production test on the stable strain. The method is mainly used for breeding soybean varieties with good comprehensive characters, especially the soybean varieties with good shade tolerance, and the soybean varieties are especially suitable for intercropping with corn or fruit-bearing forests and have the advantages of being free of lodging, high in yield and good in adaptability.

Description

technical field [0001] The invention relates to the technical field of soybean variety breeding, in particular to a high-yield shade-tolerant soybean variety breeding method suitable for interval intercropping. Background technique [0002] Soybean is the most important grain and oil crop in the world and the main source of high-quality protein and oil for human beings. Soybean is a native plant in East Asia, and its fruit is oval and spherical. The color of the seed coat is yellow, light green, and black. It is also called soybean, green soybean (not pea), and black soybean, and soybean is the most common. my country is the origin of soybeans and is known as the "Kingdom of Soybeans". Soybean products occupy a very important position in my country's agricultural products, and its diversity meets people's growing diverse needs. At the same time, as an important protein food, edible oil and feed protein raw material, soybean occupies an important position in national food ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/40A01H1/02A01H1/00
Inventor 杨春杰朱星陶陈佳琴谭春燕娄利娇徐熙龚锡震何兵
Owner 贵州省油料研究所
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