Breeding method of upland rice variety for feed

A technology of feed rice and varieties, applied in the direction of botany equipment and methods, application, plant gene improvement, etc., can solve the problems of huge development potential, and achieve the effect of scientific breeding method and high yield

Inactive Publication Date: 2016-07-06
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disease resistance of pigs fed with feed rice has improved and the meat tastes better. T...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The forage rice variety "Xiangzaoxian 24" was selected as the basic parent P, the grain-stalk dual-purpose rice variety "Dongnan 201" and the high-yield and stress-resistant upland rice variety "Huhan 7" were selected as the general parents P1 and P2, respectively. Proceed as follows:

[0031] a. Plant parents P, P1 and P2, and make crosses P×P1→F at the flowering stage 1-1 , P×P2→F 1-2 ;

[0032] b. Planting hybrid F 1 Generation F 1-1 , F 1-2 Cross P×F with parent P at flowering stage 1-1 and P×F 1-2 , have to cross F 1 Generation BF 1-1 and BF1-2 ;

[0033] c. Plant BF 1-1 and BF 1-2 , as hybrid BF at flowering stage 1-1 ×BF 1-2 → BF 1-12 ;

[0034] d. Plant BF 1-12 , get BF 2-12 ;

[0035] e. Thin sowing of BF on dry land 2-12 After sowing, spray water once, and then do not water the entire seedling stage. After 28 days of the seedling stage, the seedlings will be screened for drought resistance, and the seedlings with poor tillering ability and t...

Embodiment 2

[0044] The fodder rice variety "Xiangzaoxian 32" was selected as the basic parent P, the grain-stalk dual-purpose rice variety "Dongnan 202" and the high-yield and stress-resistant upland rice variety "Linhan 1" were selected as the general parents P1 and P2, respectively. Proceed as follows:

[0045] a. Plant parents P, P1 and P2, and make crosses P×P1→F at the flowering stage 1-1 , P×P2→F 1-2 ;

[0046] b. Planting hybrid F 1 Generation F 1-1 , F 1-2 Cross P×F with parent P at flowering stage 1-1 and P×F 1-2 , have to cross F 1 Generation BF 1-1 and BF 1-2 ;

[0047] c. Plant BF 1-1 and BF 1-2 , as hybrid BF at flowering stage 1-1 ×BF 1-2 → BF 1-12 ;

[0048] d. Plant BF 1-12 , get BF 2-12 ;

[0049] e. Thin sowing of BF on dry land 2-12 After sowing, spray water once, and then do not water the entire seedling stage. After 28 days of the seedling stage, the seedlings will be screened for drought resistance, and the seedlings with poor tillering ability an...

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Abstract

The invention discloses a breeding method of an upland rice variety for feed and belongs to the technical field of breeding of special rice. By using a high-yield high-crude-protein-content rice variety for feed as a basic parent, using grain-stalk dual-use rice variety with stalks suitable for serving as feed and an upland rice variety with high yield and high stress resistance as common parents, a grain-stalk dual-use hybrid rice variety for feed, suitable for drought culture and having high yield and high nutrition is bred through scientific hybridization mating and target character screening. The bred upland rice variety for feed may serve as upland rice for culturing, has high yield and is higher in crude protein content of both grain and stalk than a common rice variety, drought fields and mountain lands can be made full use for planting, rice planting water is saved by higher than 60%, rice stalk resources are made full use, and economic income may be increased by higher than 400 RMB per mu. The breeding method is scientific and efficient, is easy to perform and is significant to the breeding of upland rice varieties for feed.

Description

technical field [0001] The invention specifically relates to a method for breeding upland rice varieties for feed, and belongs to the technical field of special rice breeding. Background technique [0002] my country's per capita water resources are 2,400 tons, which is 1 / 4 of the world's per capita water resources, ranking 109th in the world. The annual economic loss due to water shortage exceeds 200 billion yuan. At present, my country's agricultural water consumption accounts for 80% of the total water consumption, of which rice water consumption accounts for 70% of agricultural water consumption. This means that the water consumption of rice production alone accounts for 56% of the country's total water consumption. Therefore, it is difficult to support the further development of traditional rice with my country's existing water resources. Upland rice varieties do not require sufficient water and save more than 50% of water. Therefore, they can be used as another choice...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 陈幼玉张云燕施晓棠章清杞李晓燕
Owner FUJIAN AGRI & FORESTRY UNIV
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