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Method for breeding high-quality high-yield hybridized corn

A technology for hybrid seed production and corn, which is applied in the invention field of hybrid seed production methods, can solve the problems of poor quality, high yield, high quality and low yield of corn varieties, etc., and achieve the effect of excellent nutritional quality, high yield, and simple and easy seed production method

Inactive Publication Date: 2003-12-17
十堰市农业科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At home and abroad, corn has become the main feed crop, and the market prospect is very broad. Therefore, breeding new varieties of high-quality and high-yielding corn has become the main goal of corn breeding in the world today. Outstanding problems such as inferior quality cannot meet the needs of the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Embodiment 1, the present invention is tested in multi-point area of ​​corn in Ergaoshan Formation, Hubei Province

[0041] In 1997-1998, in the Ergaoshan Formation corn area test species in Hubei Province, the Eyu No. 10 cultivated by the present invention was tested twice.

[0042] The comparison test of varieties in more than one year, the control variety is Yundan No. 1, and the test results are shown in Table 1 and Table 2:

[0043] Variety

Plant height (cm)

Spike height (cm)

Inversion rate (%)

Lysine (%)

Raw starch (%)

Eyu No.10

271.8

109.6

1.9

0.36

71.06

Yundan No. 1 CK

276.6

125.4

10.6

0.25

63.45

difference

-4.8

-15.8

-8.7

+0.11

+7.61

[0044] Variety

Ear row number

Number of rows

Thousand Kernel Weight

(gram)

Theoretical output

(Kilogram)

actual production

(Kilogram)

...

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Abstract

A high-quality and -yield hybridized corn "Eyu No.10" is bred by hybridization between self-line SY69 as female parent and self-line SY13 as male parent. Its advantages are high quality, yield and adapatability.

Description

technical field [0001] The invention belongs to the field of breeding of new varieties of plants, and in particular relates to the invention of a hybrid seed production method of new varieties of corn. Background technique [0002] At home and abroad, corn has become the main feed crop, and the market prospect is very broad. Therefore, breeding new varieties of high-quality and high-yielding corn has become the main goal of corn breeding in the world today. Outstanding problems such as poor quality cannot meet the needs of the market. Contents of the invention [0003] The purpose of the invention is to overcome the deficiencies in the prior art, and propose a hybrid seed production method for breeding high-quality and high-yield new corn varieties. [0004] The present invention is realized through the following technical solutions; [0005] A corn hybrid seed production method, the female parent is derived f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02
Inventor 刘永忠梅运权张敏吴承国郭元平王致云赵政海张世宏
Owner 十堰市农业科学研究所