CN1259275A - Breeding method of high resistance, stable yield high quality corn seed - Google Patents
Breeding method of high resistance, stable yield high quality corn seed Download PDFInfo
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- CN1259275A CN1259275A CN 00110106 CN00110106A CN1259275A CN 1259275 A CN1259275 A CN 1259275A CN 00110106 CN00110106 CN 00110106 CN 00110106 A CN00110106 A CN 00110106A CN 1259275 A CN1259275 A CN 1259275A
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Abstract
The present invention relates to a breeding method of corn seed with high resistance, stable yield and good quality. In a field sowed with 78599 corn, select 78599 variant plant as female parent and select dan 340 as male parent to hybrid out three varieties 974, 986 and 998, all of which possess high resistance to drought, disease, snout moth's larva, lodging etc, and are stable in yield and good in quality.
Description
The present invention relates to the method for crop seeds hybridization, the corn seed selection of particularly a kind of high anti-, stable yields, high-quality.
At present, the corn seed of China sowing generally all has the characteristics of high yield, but each kind can go up in high resistance and all has independent characteristics, as red 413 corn kinds, has the performance of drought resisting, waterlogging-resistant, disease-resistant stable yields, and the windproof ability is just weaker.The conventional corn seed all will have favourable weather (for the crops), and the environment of fertile soil just can obtain high yield.Also exist a large amount of droughts, waterlogging, barren soil at present in China, make the per mu yield of corn can not reach satisfied effect, even go back particle and do not receive.
The corn seed selection that the purpose of this invention is to provide a kind of high anti-, stable yields, high-quality.
The corn seed selection of a kind of high anti-, stable yields of the present invention, high-quality is described below:
The corn seed breeding method of a kind of high anti-, stable yields, high-quality is characterized in that:
1. in the corn field of sowing 78599, the suitable arid climate of meeting is met former pinta again and is infected, and causes the death of large tracts of land corn, and in 78599 variants of only survival, selecting the corn of stable yields is parental seed;
2. with the drought resisting disease-resistant maize parental seed of seed selection, sowing Dan Fan just meets typhoon at Dan Fanzhong, and the rain imperial palace stagnates, other corns around parental maize all suffer a body lodging, the result of the serious underproduction, and not lodging of parental maize, well developed root system, aerial root can reach 3-4 joint on the ground, and output does not subtract;
3. the seed selection parent is a parent, selects red 340 be paternal hybrid, cultivates 974,986,998 3 kinds, all has height drought resisting, anti-stagnant, disease resistance, anti-snout moth's larva, resistant to lodging a, stable yields, excellent
The improved seeds of matter, this kind after in a few years planting experimentally, the improved seeds of achieving success.
Characteristics of the present invention are: drought resisting: under 40 they conditions that do not have to rain, other corn underproduction 70% are in this kind underproduction 20% of hillock kind; Waterlogging-resistant: when the soaked two weeks of ridge ditch, the underproduction is not obvious; Disease resistance, after typhoon, snout moth's larva is taken place year, the disconnected rate 60-70% of general corn folding section, the red 413 rate 20-30% that fracture, the kind rate of fractureing of this invention cultivation is no more than 5%; Resistant to lodging: when typhoon comes, generally all lodge, the corn of this kind is lodging not; Can reach more than 500 kilograms/mu in the above-mentioned disaster output of this kind later; High-quality: this kind contains albumen, starch, cutin amount than higher.
Embodiment
The corn seed breeding method of a kind of high anti-, stable yields, high-quality:
In the corn field of sowing 78599, the suitable arid climate of meeting is met former pinta again and is infected, and causes the death of large tracts of land corn, and in 78599 variants of only survival, selecting the corn of stable yields is parental seed;
With the drought resisting disease-resistant maize parental seed of seed selection, sowing Dan Fan just meets typhoon at Dan Fanzhong, and the rain imperial palace stagnates, other corns around parental maize all suffer a body lodging, the result of the serious underproduction, and not lodging of parental maize, well developed root system, aerial root can reach 3-4 joint on the ground, and output does not subtract;
The seed selection parent is a parent, select red 340 be paternal hybrid, cultivate 974,986,998 3 kinds, all have improved seeds of height drought resisting, anti-stagnant, disease resistance, anti-snout moth's larva, resistant to lodging, stable yields, high-quality, this kind after in a few years planting experimentally, the improved seeds of achieving success.
Claims (1)
1. the corn seed breeding method of one kind high anti-, stable yields, high-quality is characterized in that:
1). in the corn field of sowing 78599, the suitable arid climate of meeting is met former pinta again and is infected, and causes the death of large tracts of land corn, and in 78599 variants of only survival, selecting the corn of stable yields is parental seed;
2). with the drought resisting disease-resistant maize parental seed of seed selection, sowing Dan Fan, just meet typhoon at Dan Fanzhong, the rain imperial palace stagnates, other corns around parental maize, all suffer a body lodging, the result of the serious underproduction, and not lodging of parental maize, well developed root system, aerial root can reach 3-4 joint on the ground, and output does not subtract;
3). the seed selection parent is a parent, select red 340 be paternal hybrid, cultivate 974,986,998 3 kinds, all have improved seeds of height drought resisting, anti-stagnant, disease resistance, anti-snout moth's larva, resistant to lodging, stable yields, high-quality, this kind after in a few years planting experimentally, the improved seeds of achieving success.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110106 CN1125589C (en) | 2000-02-03 | 2000-02-03 | Breeding method of high resistance, stable yield high quality corn seed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00110106 CN1125589C (en) | 2000-02-03 | 2000-02-03 | Breeding method of high resistance, stable yield high quality corn seed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1259275A true CN1259275A (en) | 2000-07-12 |
| CN1125589C CN1125589C (en) | 2003-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00110106 Expired - Fee Related CN1125589C (en) | 2000-02-03 | 2000-02-03 | Breeding method of high resistance, stable yield high quality corn seed |
Country Status (1)
| Country | Link |
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| CN (1) | CN1125589C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720666B (en) * | 2009-07-23 | 2012-07-18 | 河南农业大学 | Improving method of alternate selection of maize inbred line |
-
2000
- 2000-02-03 CN CN 00110106 patent/CN1125589C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101720666B (en) * | 2009-07-23 | 2012-07-18 | 河南农业大学 | Improving method of alternate selection of maize inbred line |
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| Publication number | Publication date |
|---|---|
| CN1125589C (en) | 2003-10-29 |
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