CN106035065A - Method for breeding silage corns - Google Patents
Method for breeding silage corns Download PDFInfo
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- CN106035065A CN106035065A CN201610413778.4A CN201610413778A CN106035065A CN 106035065 A CN106035065 A CN 106035065A CN 201610413778 A CN201610413778 A CN 201610413778A CN 106035065 A CN106035065 A CN 106035065A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H1/00—Processes for modifying genotypes ; Plants characterised by associated natural traits
- A01H1/02—Methods or apparatus for hybridisation; Artificial pollination ; Fertility
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Abstract
The invention discloses a method for breeding silage corns, and relates to the field of technologies for cultivating plant varieties. The method includes steps of A, selecting corns with high crude protein contents and using the corns as breeding base materials; B, selecting long-ear type, thick-ear type and deviating dent type single-ear corns from the breeding base materials, dividing the long-ear type, thick-ear type and deviating dent type single-ear corns into two groups, and carrying out continuous self-homozygosis and stabilization on each group for eight generations to obtain first female parents and second female parents; C, hybridizing the first female parents and the second female parents to obtain third female parents; D, additionally selecting rice male sterile lines, rice male maintainer lines and rice male restorer lines from the breeding base materials and carrying out three-line breeding on the rice male sterile lines, the rice male maintainer lines and the rice male restorer lines to obtain male parents; E, emasculating the third female parents; F, planting the male parents and the third female parents, harvesting pollen of male parent plants and artificially pollinating plants of the third female parents; G, carrying out trial planting and screening to obtain novel varieties of the silage corns. Compared with the prior art, the method has the advantages that corn seeds cultivated by the aid of the method are high in quality and high and stable in yield, and integral plants are good in feeding property and high in stress resistance.
Description
Technical field
The present invention relates to the Cultivating techniques field of plant variety, especially a kind of Silage Maize Breeding method.
Background technology
Silagecorn is between Semen Maydis late milk stage to stage of wax ripeness, results overground part plant including fruit ear, as
The Semen Maydis of ensilage raw material.Semen Maydis is grass family Zea annual herb plant, and the different flower of hermaphroditism, caryopsis is spherical or flat
Spherical, to expose outside lepicena and bran sheet after maturation, its size produces difference with growth conditions difference.Corn kernel is the essence of high-quality
Feedstuff, stem and leaf also can producing fodder；The fresh stem and leaf of Semen Maydis, rich in vitamin, is the greenfeed of succulence, particularly ears to milking maturity
The phase fresh stem and leaf nutritive value of results is the highest.In Semen Maydis milking maturity latter stage, fresh stem and leaf is gathered in the crops together with fruit ear, and shred,
It is stored in horizental silo or silage tower, is fabricated to ensilage, the fine quality of green forage can be kept for a long time, improve its battalion
Support and be worth, increase palatability, save concentrated feed and reduce waste, making breeding milk cow, beef cattle cost be greatly lowered, it is possible to be long
Year stable market supply.
It is high that silagecorn has biological yield, and Forage quality is good, grows rapid feature；With the whole strain Semen Maydis of high-quality for raising
Material, supports, along with the raising of people's living standard, to milk, milk product and plant-eating animal for promoting farming industry development to provide
Demand be on the increase, development high yield, softness, high-quality silagecorn new varieties imperative；Cultivation quality better, yield height,
Stable yields, whole strain feedstuff property is good, the corn variety of strong stress resistance, and it is with high content of technology, and corn breeding techniques is entered by strong innovation
Step has big induced effect with development.
Summary of the invention
The technical problem to be solved is to provide a kind of Silage Maize Breeding method, the maize seed that the method is cultivated
Sub-quality better, yield is high, stable yields, and whole strain feedstuff property is good, strong stress resistance.
In order to solve the problems referred to above, the technical solution used in the present invention is: this Silage Maize Breeding method, including following
Step:
A, choose crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than 29%
Semen Maydis as breeding basic material；
B, from described breeding basic material, choose long fringe type, thick fringe type, the single ear corn of inclined Dens Equi type are divided into two groups, often organize warp
Continuous 8 generations selfing is isozygotied stable, obtains first maternal and the second female parent；
C, maternal to obtain the 3rd with described second hybridization of female parent maternal by described first；
D, separately from described breeding basic material, choose male sterible series of rice, rice male keeps system and rice male restorer
Through three-line breeding, obtain male parent；
E, by the 3rd of step C gained maternal emasculation；
F, by the male parent of step D gained and the 3rd planting of maternal of step E gained, the pollen of paternal plant of gathering is maternal to the 3rd
Plant carry out artificial pollination；
G, plant experimentally through multiple spot, screen, obtain silagecorn new varieties.
In above-mentioned Silage Maize Breeding method and technology scheme, more specifically technical scheme is it may also is that described long fringe type, thick
Fringe type, the single ear corn of inclined Dens Equi type be the high-quality of artificially breeding, combining ability is high, self yield is high, disease-resistant anti-fall, adapt to strong
Good inbred lines.
Further, described male parent and described 3rd female parent selection isolation area plantation, the line number of plantation ratio is for 1:5.
Further, described male parent and described 3rd female parent selection isolation area plantation, the line number of plantation ratio is for 3:10.
Further, described first maternal and described second female parent selection isolation area plantation, the line number of plantation ratio is for 4:1.
Further, described first maternal and described second female parent selection isolation area plantation, the line number of plantation ratio is for 6:1.
Owing to have employed technique scheme, the present invention compared with prior art has the advantages that
The corn seed quality better that the present invention is cultivated, yield is high, stable yields, and whole strain feedstuff property is good, strong stress resistance.Use this kind
The corn strain of son plantation is soft, and its nutritional labeling reaches silagecorn quality grading national standard, is suitable for being fabricated to ensiling and raises
Material, it is possible to stable market supply all the year round.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A kind of Silage Maize Breeding method, specifically comprises the following steps that
A, choose whole strain crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than
In 29% 32, Nongda108, friendship 51 etc. mixed powder series Semen Maydis as breeding basic material；
B, from breeding basic material, choose long fringe type, thick fringe type, the single ear corn of inclined Dens Equi type are divided into two groups, often group is through continuously
The selfing of 8 generations is isozygotied stable, obtains first maternal and the second female parent；Long fringe type, thick fringe type, inclined Dens Equi type single ear corn all for people
The high-quality of work selection-breeding, combining ability is high, self yield is high, disease-resistant anti-fall, adapt to strong good inbred lines；
C, by first maternal and the second female parent selection isolation area plantation, the line number of plantation ratio is for 4:1；First is maternal maternal with second
It is maternal that hybridization obtains the 3rd；
D, another male sterible series of rice, rice male holding system and the rice male restorer chosen from breeding basic material are through three
It is breeding, obtains male parent；
E, by the 3rd of step C gained maternal emasculation；
F, by the 3rd female parent selection isolation area plantation of the male parent of step D gained and step E gained, the line number of plantation ratio for 1:5,
The pollen of paternal plant of gathering carries out artificial pollination to the plant of the 3rd female parent；
G, plant experimentally through multiple spot, screen, obtain silagecorn new varieties.
The Liu Yu ensiling 3 using the method to cultivate is tried for 2014 by silagecorn district of country for the first time, whole strain nutrition
Composition reaches: crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than 29%
Silagecorn requirement；District's test manufacture amount reaches 1328/mu.
The Liu Yu ensiling 4 using the method to cultivate is tried for 2015 by silagecorn district of country for the first time, whole strain nutrition
Composition reaches: crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than 29%
Silagecorn requirement；District's test manufacture amount reaches 1361/mu.
Embodiment 2
The present embodiment is with the difference of embodiment 1: F, maternal by the 3rd of the male parent of step D gained and step E gained the
Selection isolation area is planted, and the line number of plantation ratio is for 3:10, and the plant of the 3rd female parent is carried out manually by the pollen of paternal plant of gathering
Pollination；Remaining feature is same as in Example 1.
Embodiment 3
A kind of Silage Maize Breeding method, specifically comprises the following steps that
A, choose whole strain crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than
In 29% 32, Nongda108, friendship 51 etc. mixed powder series Semen Maydis as breeding basic material；
B, from breeding basic material, choose long fringe type, thick fringe type, the single ear corn of inclined Dens Equi type are divided into two groups, often group is through continuously
The selfing of 8 generations is isozygotied stable, obtains first maternal and the second female parent；Long fringe type, thick fringe type, inclined Dens Equi type single ear corn all for people
The high-quality of work selection-breeding, combining ability is high, self yield is high, disease-resistant anti-fall, adapt to strong good inbred lines；
C, by first maternal and the second female parent selection isolation area plantation, the line number of plantation ratio is for 6:1；First is maternal maternal with second
It is maternal that hybridization obtains the 3rd；
D, another male sterible series of rice, rice male holding system and the rice male restorer chosen from breeding basic material are through three
It is breeding, obtains male parent；
E, by the 3rd of step C gained maternal emasculation；
F, by the 3rd female parent selection isolation area plantation of the male parent of step D gained and step E gained, the line number ratio of plantation is 3:
10, the pollen of paternal plant of gathering carries out artificial pollination to the plant of the 3rd female parent；
G, plant experimentally through multiple spot, screen, obtain silagecorn new varieties.
The Liu Yu ensiling 3 using the method to cultivate is tried for 2014 by silagecorn district of country for the first time, whole strain nutrition
Composition reaches: crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than 29%
Silagecorn requirement；District's test manufacture amount reaches 1328/mu.
The Liu Yu ensiling 4 using the method to cultivate is tried for 2015 by silagecorn district of country for the first time, whole strain nutrition
Composition reaches: crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than 29%
Silagecorn requirement；District's test manufacture amount reaches 1361/mu.
Embodiment 4
The present embodiment is with the difference of embodiment 3: F, maternal by the 3rd of the male parent of step D gained and step E gained the
Selection isolation area is planted, and the line number of plantation ratio is for 1:5, and the plant of the 3rd female parent is manually awarded by the pollen of paternal plant of gathering
Powder；Remaining feature is same as in Example 3.
Claims (10)
1. a Silage Maize Breeding method, it is characterised in that comprise the following steps:
A, choose crude protein content more than 7.0%, neutral detergent fiber content less than 55%, acid detergent fiber content is less than 29%
Semen Maydis as breeding basic material；
B, from described breeding basic material, choose long fringe type, thick fringe type, the single ear corn of inclined Dens Equi type are divided into two groups, often organize warp
Continuous 8 generations selfing is isozygotied stable, obtains first maternal and the second female parent；
C, maternal to obtain the 3rd with described second hybridization of female parent maternal by described first；
D, separately from described breeding basic material, choose male sterible series of rice, rice male keeps system and rice male restorer
Through three-line breeding, obtain male parent；
E, by the 3rd of step C gained maternal emasculation；
F, by the male parent of step D gained and the 3rd planting of maternal of step E gained, the pollen of paternal plant of gathering is maternal to the 3rd
Plant carry out artificial pollination；
G, plant experimentally through multiple spot, screen, obtain silagecorn new varieties.
Silage Maize Breeding method the most according to claim 1, it is characterised in that: described long fringe type, thick fringe type, inclined Dens Equi
The single ear corn of type be the high-quality of artificially breeding, combining ability is high, self yield is high, disease-resistant anti-fall, adapt to strong superior corn
Selfing line.
Silage Maize Breeding method the most according to claim 1 and 2, it is characterised in that: described male parent and described 3rd mother
This selection isolation area is planted, and the line number of plantation ratio is for 1:5.
Silage Maize Breeding method the most according to claim 1 and 2, it is characterised in that: described male parent and described 3rd mother
This selection isolation area is planted, and the line number of plantation ratio is for 3:10.
Silage Maize Breeding method the most according to claim 1 and 2, it is characterised in that: described first maternal and described
Two female parent selection isolation areas plantations, the line number of plantation ratio is for 4:1.
Silage Maize Breeding method the most according to claim 3, it is characterised in that: described first maternal and described second mother
This selection isolation area is planted, and the line number of plantation ratio is for 4:1.
Silage Maize Breeding method the most according to claim 4, it is characterised in that: described first maternal and described second mother
This selection isolation area is planted, and the line number of plantation ratio is for 4:1.
Silage Maize Breeding method the most according to claim 1 and 2, it is characterised in that: described first maternal and described
Two female parent selection isolation areas plantations, the line number of plantation ratio is for 6:1.
Silage Maize Breeding method the most according to claim 3, it is characterised in that: described first maternal and described second mother
This selection isolation area is planted, and the line number of plantation ratio is for 6:1.
Silage Maize Breeding method the most according to claim 4, it is characterised in that: described first maternal and described second
Female parent selection isolation area is planted, and the line number of plantation ratio is for 6:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413778.4A CN106035065A (en) | 2016-06-14 | 2016-06-14 | Method for breeding silage corns |
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|---|---|---|---|
| CN201610413778.4A CN106035065A (en) | 2016-06-14 | 2016-06-14 | Method for breeding silage corns |
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| CN201610413778.4A Pending CN106035065A (en) | 2016-06-14 | 2016-06-14 | Method for breeding silage corns |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757365A (en) * | 2019-03-19 | 2019-05-17 | 广西农业职业技术学院 | A kind of method of quick breeding silage corn self-mating system |
| CN111567397A (en) * | 2020-05-20 | 2020-08-25 | 江苏（武进）水稻研究所 | High-quality long-grain fragrance type japonica rice Wujing 9075 and breeding method |
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|---|---|---|---|---|
| US5602312A (en) * | 1995-03-03 | 1997-02-11 | Pioneer Hi-Bred International, Inc. | Hybrid maize plant and seed (3223) |
| CN1926962A (en) * | 2006-10-19 | 2007-03-14 | 四川农业大学 | Forage grass maize production process |
| CN101889538A (en) * | 2010-07-05 | 2010-11-24 | 李荣河 | Seed production method for high-yield hybrid waxy corn seeds |
| CN103168674A (en) * | 2012-12-31 | 2013-06-26 | 重庆市农业科学院 | Method for breeding maize stay-green and premature-aging resistant inbred line and silage maize hybrid thereof |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5602312A (en) * | 1995-03-03 | 1997-02-11 | Pioneer Hi-Bred International, Inc. | Hybrid maize plant and seed (3223) |
| CN1926962A (en) * | 2006-10-19 | 2007-03-14 | 四川农业大学 | Forage grass maize production process |
| CN101889538A (en) * | 2010-07-05 | 2010-11-24 | 李荣河 | Seed production method for high-yield hybrid waxy corn seeds |
| CN103168674A (en) * | 2012-12-31 | 2013-06-26 | 重庆市农业科学院 | Method for breeding maize stay-green and premature-aging resistant inbred line and silage maize hybrid thereof |
| CN103430832A (en) * | 2013-08-19 | 2013-12-11 | 广西兆和种业有限公司 | Corn breeding method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109757365A (en) * | 2019-03-19 | 2019-05-17 | 广西农业职业技术学院 | A kind of method of quick breeding silage corn self-mating system |
| CN111567397A (en) * | 2020-05-20 | 2020-08-25 | 江苏（武进）水稻研究所 | High-quality long-grain fragrance type japonica rice Wujing 9075 and breeding method |
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Application publication date: 20161026 |
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