CN110506624A - A kind of selection of rice varieties - Google Patents
A kind of selection of rice varieties Download PDFInfo
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- CN110506624A CN110506624A CN201910903704.2A CN201910903704A CN110506624A CN 110506624 A CN110506624 A CN 110506624A CN 201910903704 A CN201910903704 A CN 201910903704A CN 110506624 A CN110506624 A CN 110506624A
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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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- 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
- A01H1/04—Processes of selection involving genotypic or phenotypic markers; Methods of using phenotypic markers for selection
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Abstract
The present invention relates to crop breeding technique fields, and in particular to a kind of selection of rice varieties.A kind of selection of rice varieties, this method is female parent with high resistant to rice blast rice, Man Xiang 16B and Yin Feng A, CMS line rice, wild rice, the rice to CMS line without recovery ability and full perfume 16A are male parent, hybridized, filial generation is selfed two bags of acquisition F3 for group, Double gene pure single plant is screened, is chosen seeds through excessive generation hybridization and Resistance Identification, breeding disease-resistant high yield Fine Quality Rice Variety.Selection of the invention is that the reality of rice industrialization production is greatly developed for China according to breeding of plants principle, using paddy rice cross breeding technology, the qualified high-quality, high yield up to standard of Breeding and popularization and highly resistance new rice variety；The new varieties of breeding of the present invention have the ripe phase moderate, and yield is high, and lodging resistance is strong and the merits such as high resistant to rice blast.
Description
Technical field
The present invention relates to crop breeding technique fields, and in particular to a kind of selection of rice varieties.
Background technique
In recent years, as many as rice quantity inferior for overstocking in China's silo, cereal enterprises loss were big, shake various circles of society with
To central high level.On the other hand, fine quality rice needed for urban and rural residents, but be difficult to buy, so that the brands rice such as Thailand's rice multiplies
It is empty and enter, it is again and again impressive in the big-and-middle hotel in city, supermarket, enable many insiders feel humiliation deeply.Its reason is mainly grain
Circulation, processing enterprise and market disconnect, disconnect with agricultural, therefore, already there is some knowledgeable people, with sharp eye, hold
Rice consumption is from simply having adequate food and clothing to the trend of fairly well-off transformation, and bold decision, in a manner of industrialization, exploitation fine quality rice is produced.
From the point of view of the case where domestic grain quality rice develops, the development speed of grain quality rice is quite fast, the high-quality water that national each province voluntarily assesses
Rice varieties are also more, but still notch is very big for China's grain quality rice, and basic reason is that high-grade rice quality is not excellent.Relevant information table
Bright, 2000, China's grain quality rice reached 180,000,000 mu, accounts for 40% of Monitoring of Paddy Rice Plant Area or so high quality paddy total yield child and reaches
82000000 tons, account for the 42% of paddy total output.But Ministry of Agriculture's rice and quality of item supervision and inspection center, it is each to 1091
The high-grade rice kind that ground voluntarily assesses carries out general Check, analyzes by national standard, only 118 are fine quality, and the factor of merit is only
10.8%.
China's grain quality rice cultivated area has reached 12,000,000 hectares or more within 2002, and account for Monitoring of Paddy Rice Plant Area 45% is left
The right side, but grain quality rice said here is all the fine quality that each provinces, municipalities and autonomous regions determine, rather than it is excellent to be up to state standards
Matter rice varieties, whole indexs reach national standard and the kind of ministry standard is still few.From the plantation situation of China's rice, lack
High-grade rice production base, especially dedicated high-grade rice.Therefore one is built up with the breeding of high-quality seed rice, popularization base, research
Rice stock breeding key technology is introduced Fine Quality Rice Variety, is provided for vast grain quality rice farmer safe, high-quality, cheap
High-quality seed rice provide resource, it is current to be badly in need of solving that combination technology service and grain quality rice, which are promoted and drive periphery villages and small towns plantation grain quality rice,
The problem of.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
To overcome above-mentioned existing issue, the present invention provides a kind of selection of rice varieties.
The present invention provides the following technical scheme that
A kind of selection of rice varieties, comprising the following steps:
(1) it maternal breeding: to be combined with each other hybridization between high resistant to rice blast rice, Man Xiang 16B and Yin Feng A, screens anti-fall
Property strong, high resistant to rice blast and high yield fertile plant as maternal；
(2) male parent breeding: with CMS line rice, wild rice, the rice to CMS line without recovery ability
It is combined with each other hybridization between full perfume 16A, screens that the ripe phase is moderate, rice is of fine quality fragrant and the fertile plant of high yield is as male parent；
(3) breeding disease-resistant high yield fine quality: the male parent of the female parent of step (1) breeding and step (2) breeding is carried out miscellaneous
It hands over, obtained F1 generation was selfed for 2 generations again, obtained F3 for group, the fertile plant for screening Double gene pure carries out continuous selfing directly
To each strain group property Uniformly stable.
Preferably, the maternal breeding of the step (1) the following steps are included:
(1-1) is female parent with full perfume 16B, and high resistant to rice blast rice is male parent, carries out hybridizing to obtain F1 generation, gained F1 generation is connected
Continuous selfing 4 times, obtains F5 generation；
(1-2) is female parent with the rich A of silver, and F5 obtained by step (1-1) is on behalf of male parent, continuous backcross 5 times after being hybridized, screening
The excellent fertile plant of economical character completes maternal breeding.
Preferably, step (2) the male parent breeding the following steps are included:
(2-1) is female parent with CMS line rice, and wild rice is male parent, is hybridized to obtain F1 generation；
(2-2) is female parent with the rice to CMS line without recovery ability, and F1 obtained by step (2-1) is male parent,
Continuous backcross 5 times after progress composite-crossing, F5 generation is obtained；
(2-3) is maternal with full perfume 16A, F5 godfather's sheet obtained by step (2-2), and agriculture is screened in continuous backcross 3 times after being hybridized
The excellent fertile plant of skill character completes male parent breeding.
Preferably, high resistant to rice blast rice is to protect pavilion drought japonica rice with Hainan Mt. Wu-zhi Shan farm variety in the step (1)
For female parent, as extensive 94-5 is male parent, carries out selection cross and form.
Preferably, CMS line rice described in the step (2) is perfume 209A.
Preferably, wild rice described in the step (2) is Xiangzhou wild rice.
Preferably, the rice described in the step (2) to CMS line without recovery ability is with Xilin County
Mountain area farm variety drought japonica rice is female parent, and the fragrant rice of grand self-employed tree cultivator family is male parent, carries out selection cross and forms.
Compared with prior art, the invention has the following beneficial effects:
(1) selection of the invention is to greatly develop rice industry metaplasia for China according to breeding of plants principle
The reality of production, using paddy rice cross breeding technology, the qualified high-quality, high yield up to standard of Breeding and popularization and highly resistance new rice variety.
(2) new varieties of breeding of the present invention have the ripe phase moderate, and rice perfume (or spice) of fine quality, yield is high, and lodging resistance is strong and highly resistance rice blast
The merits such as disease.
Specific embodiment
Specific embodiments of the present invention will be described in detail below, it is to be understood that protection scope of the present invention is not
It is restricted by specific implementation.
Full perfume 16B is the novel CMS line that Guangxi Xiangzhou Huang Shi rice research is independently bred as.Full perfume 16B,
Be with free superior rice holding be intermediate materials-CB46 (the old kind of mountain area farmers', the county Yi Jinxiu --- ridge standing grain japonica rice for female parent,
Routinely red fragrant rice is paternal hybrid for Xiangzhou, through continuous breeding, in autumn F in 20054Basicly stable field number is one of CB46
Intermediate materials.), self-fertile High quality sweet rice conventional variety is as (eight Gui Xiangwei of conventional rice kind being bred as with Guangxi academy of agricultural sciences that educate 521
Female parent, the rice varieties various schools of thinkers perfume (or spice) No.1 that Guangdong Province is bred as are paternal hybrid, and offspring is through stablizing intermediate wood made of continuous breeding
Material, working title is as educating 521.) as basic material, it is formed by selection cross.The sterile line has stem sturdy, and plant type is tight
Play moderate, leaf color is dark green, blade it is elongated it is upright, growth is vigorous, tillering ability is strong, and seed is elongated, and rice matter is more excellent (to be detailed in a meter matter analysis
Report), flowering habit is good, and stigma appearing is high, and outcrossing is good, and crossbreeding yield is high, and series of combination hybrid has high yield, steady
It produces, the features such as rice is of fine quality.
Embodiment 1
A kind of selection of rice varieties, comprising the following steps:
(1) it maternal breeding: to be combined with each other hybridization between high resistant to rice blast rice, Man Xiang 16B and Yin Feng A, screens anti-fall
Property strong, high resistant to rice blast and high yield fertile plant as maternal；
(2) male parent breeding: with CMS line rice, wild rice, the rice to CMS line without recovery ability
It is combined with each other hybridization between full perfume 16A, screens that the ripe phase is moderate, rice is of fine quality fragrant and the fertile plant of high yield is as male parent；
(3) breeding disease-resistant high yield fine quality: the male parent of the female parent of step (1) breeding and step (2) breeding is carried out miscellaneous
It hands over, obtained F1 generation was selfed for 2 generations again, obtained F3 for group, the fertile plant for screening Double gene pure carries out continuous selfing directly
To each strain group property Uniformly stable；
Wherein, high resistant to rice blast rice is to protect pavilion drought japonica rice with Hainan Mt. Wu-zhi Shan farm variety as mother in the step (1)
This, as extensive 94-5 be male parent, carry out selection cross form；CMS line rice described in the step (2) is perfume 209A；Institute
Stating wild rice described in step (2) is Xiangzhou wild rice；To CMS line without recovery ability described in the step (2)
Rice be with Xilin County mountain area farm variety drought japonica rice for female parent, the fragrant rice of grand self-employed tree cultivator family is male parent, and progress selection cross forms；
The maternal breeding of the step (1) the following steps are included: (1-1) with full perfume 16B be it is maternal, high resistant to rice blast rice is
Male parent carries out hybridizing to obtain F1 generation, and gained F1 generation is continuously selfed 4 times, F5 generation is obtained；(1-2) is female parent, step (1- with the rich A of silver
1) gained F5 is on behalf of male parent, continuous backcross 5 times after being hybridized, and the excellent fertile plant of screening economical character completes maternal choosing
It educates；
The following steps are included: (2-1) with CMS line rice is female parent, wild rice is for step (2) the male parent breeding
Male parent is hybridized to obtain F1 generation；(2-2) is female parent, step (2-1) with the rice to CMS line without recovery ability
Gained F1 is male parent, carries out after composite-crossing continuous backcross 5 times, obtains F5 generation；(2-3) is maternal with full perfume 16A, step (2-2)
Gained F5 godfather's sheet, continuous backcross 3 times after being hybridized, the excellent fertile plant of screening economical character complete male parent breeding.
Field trial measurement
Experimental material: the excellent China in the new varieties of breeding of the present invention, day accounts for；
Test method: in Gui Nan, osmanthus and 6 pilots, the consistent fields such as each pilot selection of land gesture, liquid manure is arranged in osmanthus north altogether
70 mu of ground, the new varieties of 35 mu of plantation breedings of the present invention, 35 mu of excellent China in plantation day account for；Wherein, the pilot of Gui Nan is broadcast in 3 last ten-days period
Kind, it is sowed with the pilot in osmanthus north in mid-June in osmanthus, routinely field management operates each pilot, counts every after harvesting
The yield of a pilot.
Test result is as follows:
Osmanthus south early rice produces 524.0 kilograms of pilot average yield per mu, and China more excellent than day accounts for volume increase 2.18%, volume increase point example
75.0%；In osmanthus and osmanthus north late rice produces 489.9 kilograms of pilot average yield per mu, and China more excellent than day accounts for volume increase 3.04%, volume increase point example
100.0%；
The economical character average value of the new varieties of breeding of the present invention: number of productive ear 18.0 ten thousand per acre, plant height 103.8cm, fringe
Long 24.0cm, every total grain panicle number 169.2, setting percentage 80.6%, 22.4 grams of mass of 1000 kernel；
Resistant expression: rice blast composite index 5.5, fringe pest loss late are 7 grades highest；Bacterial leaf-blight composite index 6.0, leaf
Withered loss late is 7 grades highest；
Rice matter main indicator: Coarse Rice Rate 82.5%, head rice rate 70.5%, length-width ratio 3.3, chalkiness degree 0.5%, transparency
1 grade, 7.0 grades of caustic SCC, 64 millimeters of gel consistence, amylose content 14.8%.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (7)
1. a kind of selection of rice varieties, which comprises the following steps:
(1) maternal breeding: to be combined with each other hybridization between high resistant to rice blast rice, Man Xiang 16B and Yin Feng A, screening lodging resistance is strong,
The fertile plant of high resistant to rice blast and high yield is as maternal；
(2) male parent breeding: with CMS line rice, wild rice, CMS line without the rice for restoring ability and is expired
It is combined with each other hybridization between fragrant 16A, screens that the ripe phase is moderate, rice is of fine quality fragrant and the fertile plant of high yield is as male parent；
(3) disease-resistant high yield fine quality breeding: the male parent of the female parent of step (1) breeding and step (2) breeding is hybridized, is obtained
To F1 generation be selfed for 2 generations again, obtain F3 for group, the fertile plant for screening Double gene pure carries out continuous selfing until each strain
It is group property Uniformly stable.
2. the selection of rice varieties according to claim 1, which is characterized in that the maternal breeding packet of the step (1)
Include following steps:
(1-1) is female parent with full perfume 16B, and high resistant to rice blast rice is male parent, carries out hybridizing to obtain F1 generation, continuously certainly by gained F1 generation
It hands over 4 times, obtains F5 generation；
(1-2) is female parent with the rich A of silver, and F5 obtained by step (1-1) is on behalf of male parent, continuous backcross 5 times after being hybridized, and screens agronomy
The excellent fertile plant of character completes maternal breeding.
3. the selection of rice varieties according to claim 1, which is characterized in that step (2) the male parent breeding packet
Include following steps:
(2-1) is female parent with CMS line rice, and wild rice is male parent, is hybridized to obtain F1 generation；
(2-2) is female parent with the rice to CMS line without recovery ability, and F1 obtained by step (2-1) is male parent, progress
Continuous backcross 5 times after composite-crossing, obtain F5 generation；
(2-3) is maternal with full perfume 16A, F5 godfather's sheet obtained by step (2-2), and agronomy is screened in continuous backcross 3 times after being hybridized
The excellent fertile plant of shape completes male parent breeding.
4. the selection of rice varieties according to claim 1, which is characterized in that highly resistance rice blast in the step (1)
Sick rice be with Hainan Mt. Wu-zhi Shan farm variety protect pavilion drought japonica rice for female parent, as extensive 94-5 be male parent, carry out selection cross form.
5. the selection of rice varieties according to claim 1, which is characterized in that three systems described in the step (2)
Sterile line rice is perfume 209A.
6. the selection of rice varieties according to claim 1, which is characterized in that wild described in the step (2)
Rice is Xiangzhou wild rice.
7. the selection of rice varieties according to claim 1, which is characterized in that three described in the step (2)
It is sterile line without the rice for restoring ability is with Xilin County mountain area farm variety drought japonica rice for female parent, grand self-employed tree cultivator family's perfume rice is
Male parent carries out selection cross and forms.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112586339A (en) * | 2020-12-04 | 2021-04-02 | 国家粳稻工程技术研究中心 | Breeding method of high-quality hybrid rice parents |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105145334A (en) * | 2015-07-10 | 2015-12-16 | 江苏省徐州大华种业有限公司 | Seed selection method of new rice species |
| CN105660386A (en) * | 2016-03-29 | 2016-06-15 | 浙江省嘉兴市农业科学研究院（所） | Breeding method of conventional early Indica rice |
-
2019
- 2019-09-24 CN CN201910903704.2A patent/CN110506624A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105145334A (en) * | 2015-07-10 | 2015-12-16 | 江苏省徐州大华种业有限公司 | Seed selection method of new rice species |
| CN105660386A (en) * | 2016-03-29 | 2016-06-15 | 浙江省嘉兴市农业科学研究院（所） | Breeding method of conventional early Indica rice |
Non-Patent Citations (2)
| Title |
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| 廖小兰等: "优质香米杂交水稻新品种原香优361的选育及栽培技术", 《农业科技通讯》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112586339A (en) * | 2020-12-04 | 2021-04-02 | 国家粳稻工程技术研究中心 | Breeding method of high-quality hybrid rice parents |
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