CN103461111B - Breeding method for high-cold-resistance rice - Google Patents
Breeding method for high-cold-resistance rice Download PDFInfo
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- CN103461111B CN103461111B CN201310449625.1A CN201310449625A CN103461111B CN 103461111 B CN103461111 B CN 103461111B CN 201310449625 A CN201310449625 A CN 201310449625A CN 103461111 B CN103461111 B CN 103461111B
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 59
- 235000009566 rice Nutrition 0.000 title claims abstract description 59
- 238000009395 breeding Methods 0.000 title claims abstract description 7
- 240000007594 Oryza sativa Species 0.000 title description 43
- 241000209094 Oryza Species 0.000 claims abstract 19
- 238000011156 evaluation Methods 0.000 claims description 16
- 230000005070 ripening Effects 0.000 claims description 13
- 241000196324 Embryophyta Species 0.000 claims description 12
- 238000009331 sowing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 238000009396 hybridization Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 230000001488 breeding effect Effects 0.000 claims description 3
- 238000000338 in vitro Methods 0.000 claims description 3
- 239000000575 pesticide Substances 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 235000013339 cereals Nutrition 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 241000209140 Triticum Species 0.000 abstract description 2
- 235000021307 Triticum Nutrition 0.000 abstract description 2
- 241000746966 Zizania Species 0.000 abstract 2
- 235000002636 Zizania aquatica Nutrition 0.000 abstract 2
- 238000003306 harvesting Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 240000007124 Brassica oleracea Species 0.000 description 2
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 2
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 2
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 2
- 230000007226 seed germination Effects 0.000 description 2
- 244000184734 Pyrus japonica Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008774 maternal effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
The invention discloses a breeding method for high-cold-resistance rice. According to the breeding method, the characteristics of the high over-wintering ability and the high cold resistance of wild rice are utilized, and an existing main variety in the market is utilized for being hybridized with the wild rice, so that rice with the high over-wintering ability and the high cold resistance is bred. Adopting the rice bred by the method is an important way of increasing the yield of the rice in the north and rice areas of high elevation. The new rice product with the high cold resistance is bred, so that influence of the continuous lower temperature during the heading period of July and August can be avoided, and the grain loss due to the fact that the low temperature influences the maturing rate can be prevented. The time for planting and transplanting the rice can be prolonged, the rice can ear and mature normally even in the middle and the last ten-day of September, the time for planting the rice can be postponed properly, and planting of one year can not be influenced by harvest of late mature wheat and rape.
Description
Technical field
The present invention relates to the selection of a kind of high cold resistance paddy rice, specifically illustrate by market promotes mainly kind and self-sown rice hybridization, select the method for strong, the high cold resistance paddy rice of winter cabbage.
Background technology
Self-sown rice, also have expert to be referred to as " Weedy Rice " ", " red rice rice ", ", this " red rice rice " is heading morning to the maximum impression of people, easy shattering, yield level is low, poor quality, and seed overwintering power is strong, and Second Year seed germination rate is high, grow vigorous, affect the growth of field cultivation rice.This paddy rice has generation on Yangzhou, Jiangsu Province, Lianyun Harbour, Huaian, Yancheng, Taizhou, Nantong, Zhenjiang, Xuzhou and other places in recent years, and direct sowing rice field occurrence and harm is especially heavy, and the heaviest field " red rice rice " proportion reaches 90%.
Summary of the invention
The object of the present invention is to provide the selection of a kind of high cold resistance paddy rice, promote mainly kind and self-sown rice hybridization by existing on market, select the method for strong, the high cold resistance paddy rice of winter cabbage.
In order to realize technical purpose of the present invention, technical scheme of the present invention is:
(1) the raw-material collection of self-sown rice, classification;
(2) self-sown rice Evaluation of Cold Tolerance test: last year results seed next year late sowing, plant late, it is made to ear under lower temperature in the fall, observe its heading situation and examine or check its ripening rate height, select normally to ear under low temperature 20-22 DEG C condition solid after Evaluation of Cold Tolerance test, the high self-sown rice of ripening rate is as parent material;
(3) so that market to promote mainly kind for female parent, female parent and male parent, as male parent, are carried out hybridization and obtain F by the best self-sown rice of the cold resistance obtained in step (2)
1; Again with F
1for female parent, to backcross to obtain CF for male parent with the kind of promoting mainly on market
1;
(4) seed CF is planted
1selfing obtains CF
2, CF
2seed next year late sowing, to plant late, make it ear under lower temperature in the fall, observe its heading situation and examine or check its ripening rate height, in conjunction with economical character and the individual plant CF selecting cold resistance good after Evaluation of Cold Tolerance test
3;
(5) CF is planted
3cold-resistant strain, when booting stage, sword-like leave pillow was apart from 2-5cm, carries out the cultured in vitro of monoploid flower pesticide, fast and stable strain;
(6) Evaluation of Cold Tolerance test is carried out to the stable strain obtained in step (5).
In step (1), seedling stage searches out self-sown rice large Tanaka and will transplant out so that the raw-material management of self-sown rice, collection, classification.Self-sown rice is " Weedy Rice " in rice field, but it has distinctive advantages characteristic, as strong in seed overwintering power, Second Year seed germination rate is high, and grow vigorous, utilize these characteristic transformed to select overwintering power is strong, cold resistance is strong, regeneration capacity is strong new rice variety (being).
In step (2) and step (4), Evaluation of Cold Tolerance test will guarantee that temperature when earing is lower than 22 DEG C.
Evaluation of Cold Tolerance test will guarantee that temperature when earing is 20-22 DEG C.
In step (6), the seed selection standard of high cold resistance paddy rice is that breeding time is comparatively moderate, plant height 80 ~ 1 10 centimetres, and more than effective fringe 10 fringe, every fringe more than 90, ripening rate 80 more than %, growth potential is in medium above level.
Compared with prior art, beneficial effect of the present invention is:
1. the north and the long-term temperature in high altitude localities on the low side, Rice Production be subject to frequent occur damage to plants caused by sudden drop in temperature impact.The rice varieties (being) that seed selection cold resistance is strong addresses this problem, and improves the important channel of the north and middle High aititude rice district rice yield.
2. select the paddy rice new product (being) that cold resistance is stronger, 7-8 can be avoided to continue to run into the impact of low temperature heading stage in month, avoid low temperature effect ripening rate and cause the loss of grain.
3. can widen sowing, transplanting time, due in 9 months, the last ten-days period also can normally ear solid, can suitably the Postpone sowing time, the plantation of a year can not be affected by the results of slow ripe wheat and rape.
Accompanying drawing explanation
Fig. 1 is breeding procedures figure of the present invention.
Embodiment
Breeding method of the present invention is further illustrated below in conjunction with accompanying drawing 1:
(1) the raw-material collection of self-sown rice, classification:
The 7-8 month in 2006, find self-sown rice in farmland, concentrated transplanting together, carries out classification sowing according to the strain Leaf pattern of self-sown rice time ripe.Collect self-sown rice resource 23 parts altogether, be mainly divided three classes according to its proterties: 12 parts, short grain type (inclined round-grained rice), 6 parts, long grain type (inclined Xian), osculant (falling between, approximate Japonica restorer line) 5 parts.
(2) the Evaluation of Cold Tolerance test of self-sown rice: seed interval sowing last year gathered in the crops in 2007, respectively in June 15, June 30, July 15, sowing on July 30, the situation meeting with low temperature for it carries out cold hardness evaluation, receive the self-sown rice selecting ripening rate 80 more than %, wherein meet with in 23 parts of self-sown rice resources low temperature ripening rate the highest be 89.3 %, the tentative by name self-sown rice of self-sown rice 19(osculant).
(3) 2008 year spring was maternal Hainan Yi Zhen rice No. 10, using the best self-sown rice 19 of cold resistance as male parent, female parent and male parent is carried out hybridization and obtains F
1; In August, 2008, then with F
1for female parent, to backcross to obtain CF for male parent with the kind town rice No. 10 of promoting mainly on market
1.
(4) 2009 year spring in year, at Hainan plantation CF
1selfing obtains CF
2; Within 2009, go back to continent, CF
2seed late sowing, to plant late, make its heading under lower temperature (20 ~ 22 DEG C) in the fall, observe its heading situation and examine or check its ripening rate height, select in conjunction with economical character the individual plant CF that cold resistance is good
3.
In May, (5) 2010, plantation CF
3cold-resistant strain, when booting stage, sword-like leave pillow was apart from 2-5cm, carries out the cultured in vitro of monoploid flower pesticide, fast and stable strain.
(6) 2011 years, Evaluation of Cold Tolerance test is carried out to bloom control.Seed selection standard: moderate growth duration, plant height 80 ~ 1 10 centimetres, more than effective fringe 10 fringe, every fringe more than 90, ripening rate 80 more than %, growth potential is in medium above level.Through seed selection, find the high cold resistance material 12 parts meeting above-mentioned standard altogether.
(7) 2012 years, the Evaluation of Cold Tolerance carried out in Heilungkiang when material selection was tested, and had 4 parts of material per mu yields to reach more than 550 kilograms, the 400-450 kilogram of super local main breed far away in elected 12 parts of materials.
Claims (3)
1. a selection for high cold resistance paddy rice, is characterized in that, comprise the following steps:
(1) the raw-material collection of self-sown rice, classification;
(2) self-sown rice Evaluation of Cold Tolerance test: last year results seed next year late sowing, plant late, it is made to ear under lower temperature in the fall, observe its heading situation and examine or check its ripening rate height, select normally to ear under low temperature 20-22 DEG C condition solid after Evaluation of Cold Tolerance test, the high self-sown rice of ripening rate is as parent material;
(3) so that market to promote mainly kind for female parent, female parent and male parent, as male parent, are carried out hybridization and obtain F by the best self-sown rice of the cold resistance obtained in step (2)
1; Again with F
1for female parent, to backcross to obtain CF for male parent with the kind of promoting mainly on market
1;
(4) seed CF is planted
1selfing obtains CF
2, CF
2seed next year late sowing, to plant late, make it ear under lower temperature in the fall, observe its heading situation and examine or check its ripening rate height, in conjunction with economical character and the individual plant CF selecting cold resistance good after Evaluation of Cold Tolerance test
3;
(5) CF is planted
3cold-resistant strain, when booting stage, sword-like leave pillow was apart from 2-5cm, carries out the cultured in vitro of monoploid flower pesticide, fast and stable strain;
(6) Evaluation of Cold Tolerance test is carried out to the stable strain obtained in step (5); The seed selection standard of high cold resistance paddy rice is that breeding time is comparatively moderate, plant height 80 ~ 1 10 centimetres, more than effective fringe 10 fringe, and every fringe more than 90, ripening rate 80 more than %, growth potential is in medium above level;
In step (2) and step (4), Evaluation of Cold Tolerance test will guarantee that temperature when earing is lower than 22 DEG C.
2. the selection of a kind of high cold resistance paddy rice according to claim 1, it is characterized in that: in step (1), seedling stage searches out self-sown rice large Tanaka and will transplant out so that the raw-material management of self-sown rice, collection, classification.
3. the selection of a kind of high cold resistance paddy rice according to claim 1, is characterized in that: Evaluation of Cold Tolerance test will guarantee that temperature when earing is 20-22 DEG C.
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| CN201310449625.1A CN103461111B (en) | 2013-09-27 | 2013-09-27 | Breeding method for high-cold-resistance rice |
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| CN103461111B true CN103461111B (en) | 2015-07-22 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106417001B (en) * | 2016-09-28 | 2018-10-23 | 云南省农业科学院生物技术与种质资源研究所 | A kind of selection of cold tolerance at booting and flowering stage indica rice variety |
| CN107333642A (en) * | 2017-06-30 | 2017-11-10 | 重庆师范大学 | A kind of molecular breeding method of cold resistant paddy rice |
| CN108260523A (en) * | 2018-01-24 | 2018-07-10 | 安徽天勤农业科技有限公司 | A kind of method for breeding wheat |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159879A (en) * | 1997-01-17 | 1997-09-24 | 四川省农业科学院水稻高粱研究所 | Technique for breeding of hybridized rice |
| CN1411701A (en) * | 2002-11-21 | 2003-04-23 | 江西省农业科学院水稻研究所 | Screening method for breeding strong cold-resisting new rice variety |
| CN1836497A (en) * | 2005-07-18 | 2006-09-27 | 湖南杂交水稻研究中心 | A kind of breeding method of wide adaptability hybrid rice |
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2013
- 2013-09-27 CN CN201310449625.1A patent/CN103461111B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1159879A (en) * | 1997-01-17 | 1997-09-24 | 四川省农业科学院水稻高粱研究所 | Technique for breeding of hybridized rice |
| CN1411701A (en) * | 2002-11-21 | 2003-04-23 | 江西省农业科学院水稻研究所 | Screening method for breeding strong cold-resisting new rice variety |
| CN1836497A (en) * | 2005-07-18 | 2006-09-27 | 湖南杂交水稻研究中心 | A kind of breeding method of wide adaptability hybrid rice |
Non-Patent Citations (3)
| Title |
|---|
| 北方杂草稻耐低温发芽特性的初步研究;高男等;《中国稻米》;20071231(第3期);5-7 * |
| 水稻新品种镇稻10 号的丰产稳产性及其利用;胡春明等;《安徽农业科学》;20081231;第36卷(第31期);13568、13570 * |
| 水稻花药培养及其在遗传育种上的应用;葛胜娟;《种子》;20130831;第32卷(第8期);45-50 * |
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