CN105409761A - Production method of rice hybrid 'Quan-you-yue-nong-si-miao' - Google Patents
Production method of rice hybrid 'Quan-you-yue-nong-si-miao' Download PDFInfo
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- CN105409761A CN105409761A CN201510923252.6A CN201510923252A CN105409761A CN 105409761 A CN105409761 A CN 105409761A CN 201510923252 A CN201510923252 A CN 201510923252A CN 105409761 A CN105409761 A CN 105409761A
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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 belongs to the field of heterosis utilization, and particularly provides a production method of a rice hybrid 'Quan-you-yue-nong-si-miao'. The production method adopts a rice male sterile line 'Quan 9311A' as a female parent, and adopts a rice restorer line 'Yue-nong-si-miao' as a male parent for hybridization to prepare the rice hybrid 'Quan-you-yue-nong-si-miao'. The produced rice hybrid has the characteristics of high yield, stable production, high disease resistance, and high biological yield.
Description
Technical field:
The present invention relates to paddy rice cross breeding seed production field, relate to the production method of a kind of hybrid rice specifically.
Background technology:
China is Rice Cropping big country, in recent years along with country is to the subsidy policy of Farming, and the growth of paddy purchasing price, Monitoring of Paddy Rice Plant Area has had stable increase.Within 2011, according to Ministry of Agriculture's investigation, national Monitoring of Paddy Rice Plant Area increased by 1.9% than upper one year, and wherein semilate rice cultivated area reaches 8,869 ten thousand mu, increases by 1,750,000 mu than last year.The per mu yield of paddy rice is also along with the popularization of new rice variety and breeding corresponding cultivation techniques is constantly brought forth new ideas height.
But China is populous nation, the four corners of the world, Rice Cropping region is vast in territory, and plantation climatic zone is various.And in recent years, the natural calamity of China takes place frequently, and damage by disease and insect is occurred frequently, diversity state.Breeding high-yield, wide suitable, many anti-new rice variety are the important leverages ensureing Food Security in China.
And along with the establishment of company of exotic industry, the introducing of its external advanced breeding technique and rice pest insects, in order to ensure the safety in rice in China market, selects outstanding hybrid rice seed, it is also the extremely urgent task of rice in China breeding man.
Summary of the invention:
The object of the invention is to for ensureing the New Hybrid Rice Combination that our grain security and rice in China market safety are cultivated, and a kind of production method of producing the hybrid rice seeds of high yield is provided.
Hybrid rice seeds production method provided by the present invention: comprise selection inbred line, Secure isolation, begin sowing in good time, regulate date of seeding, " 920 " technology of use and artificial supplementary pollination, roguing, gathers in the crops in good time, utilizes male sterile line " an aromatic plant metioned in ancient books 9311A " for maternal, restorer " Guangdong agriculture silk seedling " is male parent, produces hybrid rice seed " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling ".
Hybrid rice kind " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling " is for breeding goal and the rice varieties of seed selection with semilate rice main producing region, In Middle And Lower Reaches of Changjiang River.
For selecting rice varieties of the present invention, 30 hybrid rice seeds that company scientific research personnel selects 30 hybrid rice seeds at present before rank is promoted in this region and golden agriculture China to select totally 60 hybrid rice seeds carry out variety comparative test.Go out in above-mentioned hybrid rice kind blood relationship to have that the yielding ability of hybrid rice seed in this area of male sterile line " an aromatic plant metioned in ancient books 9311A " or restorer " Guangdong agriculture silk seedling " is good by test data analyzer, disease resistance is strong, comprehensive resistance is good.
Therefore golden Nong Hua company is maternal with male sterile line " an aromatic plant metioned in ancient books 9311A ", with restorer " Guangdong agriculture silk seedling " for male parent produces hybrid rice kind " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling ".
Wherein said biomaterial male sterile line " an aromatic plant metioned in ancient books 9311A " draws from Anhui Quanyin Gaoke Seed Industry Co.ltd, and this kind application obtains Plant new variety protection mandate, grant number number: 20110824.7.
Wherein said biomaterial restorer " Guangdong agriculture silk seedling " is drawn from Inst. of Rice, Guangdong Academy of Agricultural Sciences, and this kind obtains New species right in plant, right number: 20130895.9.
The present invention utilizes " an aromatic plant metioned in ancient books 9311A " to be maternal, and the feature of the hybrid rice seed " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling " produced for male parent with " Guangdong agriculture silk seedling " is:
Leaf sheath colors green, falls two leaf auricle anthocyanins colour developing nothings, small ear the is coetonium sharp anthocyanin colored intensity of grain husk without, culm length is long, and coetonium density of pubescent is close, and to many in number of grain per ear, to length in brown rice length, brown rice is of light color brown, brown rice fragrance without.The feature of the rice paddy seed that hybrid rice production method of the present invention obtains and good effect:
The rice varieties that the present invention produces, plant height 117.0 centimetres, seedling stage, growing way was prosperous, in tillering ability; the percentage of earbearing tiller is high, and cane is sturdy, and lodging resistant force is strong, Ye Kuanzhong; uprightly, leaf look green, and fringe is large; grain is many, grain weight, the effective fringe 16.5 ten thousand of mu; spike length 28.0 centimetres, grain number per spike 168.0, ripening rate 80%; thousand kernel weight 27.5 grams, grain is yellow, the 119.5 days time of infertility.
Within 2014, participate in the comparison experiment of company Content Organizing, average yield per mu 585.5 kilograms, account for volume increase 5.1% than the excellent China in contrast sky; Within 2015, participate in intra-company's comparison experiment, average yield per mu 584.0, than contrast volume increase 5.3%.See attached list 2, subordinate list 3.
Good effect of the present invention is:
1, output is high, and output exceedes main breed more than 5.1% on Vehicles Collected from Market;
2, resistance, middle blast resisting, high against-plant hopper and leaf blight;
3, wide adaptability, is adapted at the middle and lower reach of Yangtze River and South China and plants manyly.
accompanying drawing illustrates:
fig. 1for the concrete Breeding Process of crossbreed of the present invention " early excellent 028 ".
Embodiment
This embodiment is for illustration of the present invention below, but is not used for limiting the scope of the invention.
Embodiment 1: the concrete Breeding Process of crossbreed of the present invention " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling "
From 2009, golden Nong Hua company was collected in the rice varieties of first 30 of the In Middle And Lower Reaches of Changjiang River market ranking, and selected 30 hybrid rice varieties of golden Nong Hua company assembly voluntarily, carried out Engineering Breeding seed selection engineering.
Namely basis is by the plantation place of Cultivars and the weather conditions of place planting site, and damage by disease and insect segmentation breeding objective is swung to and elected.In Hainan, Guangdong, Changsha, Chongqing, Chengdu, Wuhan, six peaces, 10 experiment centres such as Hefei carry out field plot test experiment to the kind of collecting, and analyze fully experimental data.
By analyzing the hybrid rice seed of planting experiment and the disease or pest resistance of parent thereof and applicable weather conditions; And the coordinate force of parent is identified.Select " an aromatic plant metioned in ancient books 9311A " and carry out assembly with " Guangdong agriculture silk seedling ", produce crossbreed rice paddy seed " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling ".
The rice paddy seed " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling " that the present invention produces participated in intra-company's comparison experiment at 2014,2015, and show high yield, yielding ability is outstanding, global resistance is strong, than check variety sky, excellent China accounts for average volume increase more than 5.1%.
Output shows:
1) company in 2014 produces and compares result of the test
The crossbreed per mu yield that variety comparative test result in 2014 the present invention produces 585.5 kilograms, than contrast sky, excellent China accounts for volume increase 5.1%, in table 2.
2) company's comparison experiment result in 2015
Within 2015, participate in the variety comparative test of 10 experiment stations of company, average yield per mu 584.0 kilograms, the contrast excellent China in sky accounts for average yield per mu 554.9 kilograms, on average increases production 5.3%, in table 3.
Each test site yield data unit of table 12014 year company: KG
| Sequence number | Test location | Per mu yield | The contrast excellent China in sky accounts for | Than CK ± |
| 1 | Sanya, Hainan experiment station | 578.1 | 550.5 | 5.0％ |
| 2 | Experiment station of Guangzhou Guangdong | 589.5 | 560.4 | 5.2％ |
| 3 | Changsha experiment station | 590.1 | 562.6 | 4.9％ |
| 4 | Chengdu, Sichuan experiment station | 580.8 | 572.5 | 1.4％ |
| 5 | Wuhan, Hubei experiment station | 589.4 | 565.1 | 5.0％ |
| 6 | Yancheng, Jiangsu Province experiment station | 580.5 | 550.3 | 4.3％ |
| 7 | Nanchang experiment station | 588.5 | 551.2 | 6.8％ |
| 8 | Yichuan experiment station | 579.1 | 556.4 | 4.1％ |
| 9 | Shangrao, Jiangxi experiment station | 590.5 | 548.6 | 7.6％ |
| 10 | Jing Zhou, Hubei experiment station | 588.2 | 550.5 | 6.8％ |
Each test site yield data unit of table 22015 year company: KG
| Sequence number | Test location | Per mu yield | The contrast excellent China in sky accounts for | Than CK ± |
| 1 | Experiment station is pacified in Anhui six | 580.1 | 555.6 | 4.4％ |
| 2 | Hefei ,Anhui experiment station | 590.1 | 548.3 | 7.6％ |
| 3 | Nanjing experiment station | 583.2 | 566.5 | 2.9％ |
| 4 | Zhejiang Hangzhou experiment station | 585.1 | 545.1 | 7.3％ |
| 5 | Wuhu experiment station | 590.5 | 560.2 | 5.4％ |
| 6 | Yancheng, Jiangsu Province experiment station | 585.8 | 560.4 | 4.5％ |
| 7 | Nanchang experiment station | 575.1 | 556.3 | 3.4％ |
| 8 | Yichuan experiment station | 588.9 | 550.1 | 7.1％ |
| 9 | Shangrao, Jiangxi experiment station | 586.5 | 560.1 | 4.7％ |
| 10 | Jing Zhou, Hubei experiment station | 575.0 | 546.2 | 5.3％ |
Claims (7)
1. a production method for hybrid rice seed an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling, is characterized in that selecting rice sterile line " an aromatic plant metioned in ancient books 9311A " to do maternal, does male parent, produce hybrid rice seeds " an aromatic plant metioned in ancient books excellent Guangdong agriculture silk seedling " with rice restorer " Guangdong agriculture silk seedling ".
2. method according to claim 1, is characterized in that Secure isolation distance >=500 meters, or is separated by more than 15 days with the heading flowering period of described Parent and carries out production of hybrid seeds isolation.
3. method according to claim 1, interval sowing, is characterized in that first phase male parent is than maternal Zao slotting 25-30 days, or leaf age difference 6-7 leaf, or effective accumulated temperature Parent differs from 200 DEG C, the second phase, the third phase are separated by with the first phase 7 days respectively, or two phase male parents are separated by 10 days.
4. method according to claim 1, it is characterized in that female parent strain line-spacing is 16.7 × 10 centimetres, male parent spacing in the rows is 16.7 centimetres, and 33.3 centimetres, aisle when duplicate rows is planted, parental is 1:10 ~ 12.
5. method according to claim 1, spray 920 when it is characterized in that the heading of 5%-10% female parent, every mu sprays 20 grams for the first time, sprays 3-5 days continuously afterwards, each spray 5 grams, total consumption 30-45 gram.
6. method according to claim 1, is characterized in that preventing and treating kernel smut continuously 2-3 times at cut phase, fringe phase beginning and full heading time.
7. the method according to claim l, is characterized in that pulling out External Characters and maternal " an aromatic plant metioned in ancient books 9311A " discrepant plant whole breeding time, contains and spend latter 25 days results hybrid seeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923252.6A CN105409761A (en) | 2015-12-14 | 2015-12-14 | Production method of rice hybrid 'Quan-you-yue-nong-si-miao' |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923252.6A CN105409761A (en) | 2015-12-14 | 2015-12-14 | Production method of rice hybrid 'Quan-you-yue-nong-si-miao' |
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| CN105409761A true CN105409761A (en) | 2016-03-23 |
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| CN201510923252.6A Pending CN105409761A (en) | 2015-12-14 | 2015-12-14 | Production method of rice hybrid 'Quan-you-yue-nong-si-miao' |
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- 2015-12-14 CN CN201510923252.6A patent/CN105409761A/en active Pending
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Application publication date: 20160323 |
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