CN1817097A - Rice No.9 breeding method against leaf drop streak - Google Patents
Rice No.9 breeding method against leaf drop streak Download PDFInfo
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- CN1817097A CN1817097A CN 200610037699 CN200610037699A CN1817097A CN 1817097 A CN1817097 A CN 1817097A CN 200610037699 CN200610037699 CN 200610037699 CN 200610037699 A CN200610037699 A CN 200610037699A CN 1817097 A CN1817097 A CN 1817097A
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Abstract
A method for culturing the Zhen rice No.9 able to prevent the stripe flag includes such steps as hybridization between Zhen rice ''88'' as female parent and Japanese rice Aizhi DL as male parent to obtain F1, hybridization between Zhen rice ''99'' as female parent and Wuyun rice No.8 to obtain F1', multiple hybridization between said F1 and F1' to btain the hybridized seeds, sowing, and selfing by 6 generations to obtain Zhen rice No.9.
Description
Technical field
The present invention relates to the breeding method of a plant species, more specifically to the breeding method of a kind of anti-stripe virus disease paddy rice town rice No. 9.
Background technology
Paddy rice is the first crop of China, and the paddy rice of China's cultivation mainly contains two subspecies, i.e. Xian subspecies and round-grained rice subspecies.What mainly cultivated in Jiangsu is the round-grained rice subspecies, accounts for more than 80% of Jiangsu paddy rice cultivated area.SOYBEAN IN HIGH-YIELD BREEDING is the important goal of rice breeding always, and China is because populous, and arable area reduces year by year, and the pressure of grain demand strengthens, and SOYBEAN IN HIGH-YIELD BREEDING is put in the first place for a long time always, and the improvement research of rice quality lags behind.In recent years, along with the raising of people's living standard, the adjustment of pattern of farming and the pressure of competition in the international market, it is important that the quality-improving of paddy rice more shows.In recent years simultaneously, change along with cropping system, stripe virus disease presents ascendant trend year by year, the existing not anti-stripe virus disease of main breed majority, and the quality of the several anti-bar kind that number is limited is bad again, therefore, the anti-stripe virus disease of seed selection, high-quality, high yield japonica rice kind are the important goals of Jiangsu Province's rice breeding, the existing anti-preferably stripe virus disease performance of quick breeding how, the good japonica rice variety that has better quality has again become the problem that Jiangsu japonica rice breeding presses for solution.
Retrieval is found, the Chinese patent application that application number is 94102551.9, the applying date is on March 18th, 1994 discloses the breeding method of a kind of hybrid rice, yet the paddy rice of this patent application does not have the performance of anti-stripe virus disease, and its rice quality is still waiting to improve.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art and problem, the breeding method of a kind of anti-stripe virus disease paddy rice town rice No. 9 is provided, thereby cultivate the japonica rice new varieties of anti-bar, high-quality, high yield, make it obtain large scale application.
The applicant is through for many years repetition test, in many cultivation schemes and selection, find, following breeding method can well reach goal of the invention to solve prior art problems, and the breeding method that anti-stripe virus disease paddy rice of the present invention town rice is No. 9 may further comprise the steps:
A) select for use free contain anti-stripe virus disease gene, ripe phase early, output high in ripe intermediate keng rice kind town rice 88 do maternal, the good japonica rice strain of the exterior quality of introducing with Japan likes to know that DL hybridization obtains F1, select for use free contain anti-stripe virus disease gene, morning ripe phase, output height, good palatability in ripe intermediate keng rice kind town rice 99 do maternally, make paternal hybrid for No. 8 with the bad military fortune of the slow ripe intermediate keng rice kind round-grained rice of high yield, not anti-stripe virus disease, palatability and obtain F1 ';
B) F1 that obtains and F1 ' are reestablished diplomatic relations make the resistant gene polymerization and reserve seed for planting;
C) the seed soaking back vernalization sowing of will reserving seed for planting, selfing obtains high anti-stripe virus disease, high yield, high-grade rice and promptly presses down rice No. 9 after 6 generations then.
In the breeding method that above-mentioned anti-stripe virus disease paddy rice town rice is No. 9, the selection individual plant of reestablishing diplomatic relations is eliminated the bad individual plant of quality and is mixed receipts, shells into brown rice, rejects the intentionally grain of rice of white belly, and the brown rice that exterior quality is good is reserved seed for planting; Selfing is during 6 generations, selfing limit, limit is selected, by generation bacterial leaf-blight and stripe virus disease resistance, exterior quality, yielding ability are carried out orientation and select, superseded resistance is poor, exterior quality is bad strain system and individual plant obtain high anti-stripe virus disease, high yield, high-grade rice and promptly press down rice No. 9 after 6 generations of selfing.
Above method comes down to by selecting the inter breed crossing of precocious disease-resistant high yield kind and good appearance, reestablish diplomatic relations with the high yield not disease-resistant, that food flavor is not good enough, the F1 of late-maturing variety hybridization again with precocious disease-resistant high yield, real flavor kind well, pursuing generation screens rice exterior quality and resistance, identify by output again, obtain best in quality, resistance, slow ripe intermediate keng rice kind that yielding ability is good.
The present invention has following beneficial effect:
1. comprehensive yielding ability is good, and the ripe phase is more moderate
No. 9 tillering abilities of the town rice that the present invention obtains are strong, percentage of earbearing tiller height, and comprehensive yielding ability is good, and is disease-resistant anti-, the ripening rate height, the grains are plump, and product are of fine quality, and are ripe mutually good.About the 152 days time of infertility, with No. 8, force fortune round-grained rice quite.General every mu of 21-24 ten thousand fringes, spike length 14-15cm, every fringe 100-110 grain, ripening rate is more than 85%, about thousand kernel weight 25g.
2. best in quality, commodity is good
No. 9 the grains are plump for the town rice.The unified sampling in Jiangsu Province in 2004 detects: brown rice yield 85.4%, polished rice rate 73.8%, head rice rate 64.4%, the white grain of chalk rate 20%, chalkiness degree 2.0%, 3 grades of transparencies, disappear 6.0 grades of values of alkali, glue denseness 84mm, amylose content 17.58%, protein content 8.2%, rice matter reaches state and issues secondary superior rice standard.Food mouthful property is good, rice pure white sparkling and crystal-clear, be rich in gloss, food flavor delicate fragrance, cold and hot agreeable to the taste.Outward appearance is educated round-grained rice No. 3 significantly better than force, and palatability is similar.
3. disease resistance is outstanding, and yield stability is good
No. 9 high anti-stripe diseases of town rice, middle blast resisting, banded sclerotial blight, it is delicate and pretty to grow, and plant is short strong, and leaf sheath is embraced the stem consolidation, has fertilizer resistance anti-lodging performance preferably.
Description of drawings
Fig. 1 is a breeding method breeding pedigree schematic diagram of the present invention
Embodiment
Further specify the present invention below in conjunction with accompanying drawing:
A) selected for use in 1996 free high anti-stripe virus disease, ripe phase early, output high in ripe intermediate keng rice kind town rice 88 make the good japonica rice strain of exterior quality that maternal and Japan introduces and like to know that DL hybridization obtains F1 and gets 66 in seed, select for use free high anti-stripe virus disease, morning ripe phase, output height, good palatability in ripe intermediate keng rice kind town rice 99 make maternal and high yield, not anti-stripe virus disease, the bad military fortune of the slow ripe intermediate keng rice kind round-grained rice of palatability and make paternal hybrid for No. 8 and obtain F1 ' and get 49 in seed;
B) will obtain F1 in 1997 and F1 ' reestablishes diplomatic relations, the selection individual plant of reestablishing diplomatic relations is eliminated the bad individual plant of quality and is mixed and receive, and shells into brown rice, reject to have the inclination the grain of rice of white belly, the brown rice that exterior quality is good reserve seed for planting 638 in seed;
C) selfing being carried out in vernalization sowing behind 638 seed-soakings in 1998 is CF1, plants 518 strains, according to yielding ability, exterior quality, resistance screening, and round-grained rice in elected 17 strains late; Planting 17 strains system in 1999 again, to carry out selfing be CF2, eliminates 12, selected 28 strains; Planted 28 strain systems in 1999 again, carrying out selfing is that CF3 eliminates 23, and selected 16 strains begin artificial infection from CF3 simultaneously and identify bacterial leaf-blight; It is CF4 that 16 strain systems of plantation in 2000 carry out selfing, eliminates 12, selected 9 strains; It is CF5 that 9 strain systems of calendar year 2001 plantation carry out selfing, eliminates 6, selected 2 typing strain systems, selected 14 strains; Carrying out the new lines approval test in 2002 is that CF6 obtains 4 stable strains, further identify through yielding ability and resistance, wherein 4196 performance plant type compactnesses, growth is delicate and pretty, yielding ability good, lodging resistance is strong, best in quality, high anti-stripe disease, name then to pressing down rice 196; Carrying out the examination of new lines comparative test and urban district, Zhenjiang in 2003 is CF7; Carrying out the late middle round-grained rice prerun in Jiangsu Province in 2004 is CF8, produces breeder's stock; Carried out in 2005 Jiangsu Province late in the examination of round-grained rice district and the examination of the anti-bar in Jiangsu Province district be CF9, produce breeder's stock and breeding original seed, declared the new varieties protection simultaneously in 2005, name to pressing down rice No. 9.Concrete breeding is through seeing Table 1.
No. 9 culture technique main points of the town rice of breeding method breeding of the present invention are as follows:
1. proper seeding is cultivated strong seedling.Every 667m
2Rice seedling bed sowing 20-30 kilogram, the every 667m of non-irrigated seedling
2About 50 kilograms of the rice seedling bed amounts of broadcasting.Using sufficient on the basis of base manure, a leaf executes wholeheartedly that wean is fertile, and tri-leaf period, benefit was executed relay fertilizer, executed the fertilizer of standing up before the transplanting, and carried out rice seedling bed disease pest and weed preventing and controlling, the length of time rice seedlings grow with about 30 days for well.
2. transplant rational close planting in good time.In go up the every 667m of fertility field piece
2Insert about 1.8 ten thousand caves basic seedling about 60,000; The relatively poor field piece of fertility is inserted 20,000 caves, basic seedling about 70,000.And accomplish to improve equal surface planting and plant quality.
3. general every 667m
2About 18 kilograms in the pure nitrogen of the total fertilizing amount in land for growing field crops.On fertilizer application, grasp: the principle of " preceding heavy, middle control, back are surely ".Use sufficient base manure, base manure is as far as possible based on fertilizer, and phosphorus potash fertilizer is used in collocation; early execute tillering fertilizer; the diligent filling of shallow water sent out short morning, in time put the field behind enough seedlings, on the basis of middle control; executed ear manuer; short guarantor takes into account, and based on short, the later stage is adopted the wet method of doing; note not cutting off the water supply too early, guarantee the ripe high yield and high quality of living.
4. the extermination of disease and insect pest is is in time prevented and treated according to the pests occurrence rule of disease, worm, crop smothering, especially under the high-yield culturing condition, because nitrogen level is higher, should note carrying out the preventing and controlling of leaf-roller, paddy stem borer, rice fulgorid and weeds.
Table 1: breeding method seed selection process of the present invention
| Time, place | Breeding and selfing | Pedigree | Result and explanation |
| , Jurong in 1996 | Combo | Town's rice 88 * love is known DL | F1 gets 66 in seed |
| Town rice 99 * force is transported round-grained rice No. 8 | F1 ' gets 49 in seed | ||
| , Jurong in 1997 | Reestablish diplomatic relations | F1 * F1 ' | Get 638 seeds |
| , Jurong in 1998 | CF1 | 4816 | Plant 518 strains, according to yielding ability, exterior quality, resistance screening, round-grained rice in elected 17 strains late. |
| , Lingshui in 1999 | CF2 | 10058 | Plant 17 strain systems, eliminate 12, selected 28 strains. |
| , Jurong in 1999 | CF3 | 4356 | Plant 28 strain systems, eliminate 23, selected 16 strains begin artificial infection from CF3 simultaneously and identify bacterial leaf-blight. |
| , Jurong in 2000 | CF4 | 4263 | Plant 16 strain systems, eliminate 12, selected 9 strains. |
| Calendar year 2001, Jurong | CF5 | 4178 | Plant 9 strain systems, eliminate 6, selected 2 typing strain systems, selected 14 strains. |
| , Jurong in 2002 | CF6 | 4196 | The new lines approval test |
| , Jurong in 2003 | CF7 | Strain nursery is produced breeder's stock | New lines comparative test, the examination of urban district, Zhenjiang |
| , Jurong in 2004 | CF8 | Produce breeder's stock | The late middle prerun in Jiangsu Province |
| , Jurong in 2005 | CF9 | Produce breeder's stock and breeding original seed | Jiangsu Province distinguishes examination and the examination of the anti-bar in Jiangsu Province district late |
Claims (4)
1, the breeding method of a kind of anti-stripe virus disease paddy rice town rice No. 9 is characterized in that may further comprise the steps:
A) select for use free contain anti-stripe virus disease gene, ripe phase early, output high in ripe intermediate keng rice kind town rice 88 do maternal, the good japonica rice strain of the exterior quality of introducing with Japan likes to know that DL hybridization obtains F1, select for use free contain anti-stripe virus disease gene, morning ripe phase, output height, good palatability in ripe intermediate keng rice kind town rice 99 do maternally, make paternal hybrid for No. 8 with the bad military fortune of the slow ripe intermediate keng rice kind round-grained rice of high yield, not anti-stripe virus disease, palatability and obtain F1 ';
B) F1 that obtains and F1 ' are reestablished diplomatic relations make the resistant gene polymerization and reserve seed for planting;
C) the seed soaking back vernalization sowing of will reserving seed for planting, selfing obtains high yield, high-quality, high anti-bar banded sclerotial blight paddy rice and promptly presses down rice No. 9 after 6 generations then.
2, the breeding method of anti-stripe virus disease paddy rice according to claim 1 town rice No. 9 is characterized in that: the selection individual plant of reestablishing diplomatic relations, and eliminate the bad individual plant of quality and mix and receive, shell into brown rice, to reject and have the inclination the grain of rice of white belly, the brown rice that exterior quality is good is reserved seed for planting.
3, the breeding method of anti-stripe virus disease paddy rice according to claim 1 town rice No. 9, it is characterized in that: selfing is during 6 generations, selfing limit, limit is selected, pursue generation bacterial leaf-blight and stripe virus disease resistance, exterior quality, yielding ability are carried out the orientation selection, eliminate resistance is poor, exterior quality is bad strain system and individual plant, after 6 generations of selfing, obtain high yield, high-quality, anti-stripe virus disease paddy rice and promptly press down rice No. 9.
4, the breeding method of anti-stripe virus disease paddy rice according to claim 1 town rice No. 9 is characterized in that may further comprise the steps:
A) select for use free high anti-stripe virus disease, ripe phase early, output high in ripe intermediate keng rice kind town rice 88 do maternal, the good japonica rice strain of the exterior quality of introducing with Japan likes to know that DL hybridization obtains F1 and gets 66 in seed, select for use free high anti-stripe virus disease, morning ripe phase, output height, good palatability in ripe intermediate keng rice kind town rice 99 do maternal, with the bad military fortune of the slow ripe intermediate keng rice kind round-grained rice of high yield, not anti-stripe virus disease, palatability do for No. 8 paternal hybrid obtain F1 ' 49 in seed;
B) will obtain F1 and F1 ' reestablishes diplomatic relations, the selection individual plant of reestablishing diplomatic relations is eliminated the bad individual plant of quality and is mixed and receive, and shells into brown rice, reject to have the inclination the grain of rice of white belly, the brown rice that exterior quality is good reserve seed for planting 638 in seed;
C) selfing being carried out in vernalization sowing behind 638 seed-soakings is CF1, plants 518 strains, according to yielding ability, exterior quality, resistance screening, and round-grained rice in elected 17 strains late; It is CF2 that selfing is carried out in 17 the strain systems plantation that will be elected to again, eliminates 12, selected 28 strains; It is that CF3 eliminates 23 that selfing is carried out in 28 strain systems plantation that will be selected in again, and selected 16 strains begin artificial infection from CF3 simultaneously and identify bacterial leaf-blight; It is CF4 that selfing is carried out in 16 strain systems plantation that will be selected in again, eliminates 12, selected 9 strains; It is CF5 that selfing is carried out in selected 9 strain systems plantation, eliminates 6, selected 2 typing strain systems, selected 14 strains; Carrying out the new lines approval test then is that CF6 obtains 4 stable strains, further identify through yielding ability and resistance, wherein 4196 performance plant type compactnesses, growth is delicate and pretty, yielding ability good, lodging resistance is strong, best in quality, high anti-stripe disease, promptly get to resist stripe virus disease paddy rice town rice No. 9.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100569065C (en) * | 2008-01-25 | 2009-12-16 | 江苏省农业科学院 | The breeding method of a kind of anti-stripe virus disease paddy rice |
| CN102524046A (en) * | 2011-12-21 | 2012-07-04 | 中国农业科学院作物科学研究所 | Selection-breeding method of rice with both sheath blight resistance and bacterial leaf-blight resistance |
| CN102771387A (en) * | 2012-08-08 | 2012-11-14 | 江苏丰源种业有限公司 | Method for quickly breeding japonica type sterile lines through anther culture |
| CN103380725A (en) * | 2013-06-26 | 2013-11-06 | 盐城明天种业科技有限公司 | Cultivation method of high-quality, disease-resistance, delay-sowing-resistance and mid-season medium japonica rice breed |
| CN105993930A (en) * | 2016-05-12 | 2016-10-12 | 安徽理想种业有限公司 | Breeding method for long grain type high temperature resistance conventional japonica rice variety |
| CN107251834A (en) * | 2017-06-30 | 2017-10-17 | 江苏沿海地区农业科学研究所 | A kind of selection of precocious intermediate keng rice kind |
| CN108410947A (en) * | 2018-03-21 | 2018-08-17 | 江苏焦点农业科技有限公司 | A method of utilizing the anti-banded sclerotial blight rice of molecular marker assisted selection |
| CN110896850A (en) * | 2019-12-18 | 2020-03-24 | 延边大学 | Method for improving rice blast resistance of rice |
| CN115943883A (en) * | 2022-12-02 | 2023-04-11 | 江苏宝煌农业科技发展有限公司 | Method for cultivating new variety of high-quality disease-resistant late-maturing medium-season japonica rice |
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2006
- 2006-01-10 CN CN 200610037699 patent/CN1817097A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100569065C (en) * | 2008-01-25 | 2009-12-16 | 江苏省农业科学院 | The breeding method of a kind of anti-stripe virus disease paddy rice |
| CN102524046A (en) * | 2011-12-21 | 2012-07-04 | 中国农业科学院作物科学研究所 | Selection-breeding method of rice with both sheath blight resistance and bacterial leaf-blight resistance |
| CN102771387A (en) * | 2012-08-08 | 2012-11-14 | 江苏丰源种业有限公司 | Method for quickly breeding japonica type sterile lines through anther culture |
| CN102771387B (en) * | 2012-08-08 | 2014-04-16 | 江苏丰源种业有限公司 | Method for quickly breeding japonica type sterile lines through anther culture |
| CN103380725A (en) * | 2013-06-26 | 2013-11-06 | 盐城明天种业科技有限公司 | Cultivation method of high-quality, disease-resistance, delay-sowing-resistance and mid-season medium japonica rice breed |
| CN105993930A (en) * | 2016-05-12 | 2016-10-12 | 安徽理想种业有限公司 | Breeding method for long grain type high temperature resistance conventional japonica rice variety |
| CN107251834A (en) * | 2017-06-30 | 2017-10-17 | 江苏沿海地区农业科学研究所 | A kind of selection of precocious intermediate keng rice kind |
| CN108410947A (en) * | 2018-03-21 | 2018-08-17 | 江苏焦点农业科技有限公司 | A method of utilizing the anti-banded sclerotial blight rice of molecular marker assisted selection |
| CN110896850A (en) * | 2019-12-18 | 2020-03-24 | 延边大学 | Method for improving rice blast resistance of rice |
| CN115943883A (en) * | 2022-12-02 | 2023-04-11 | 江苏宝煌农业科技发展有限公司 | Method for cultivating new variety of high-quality disease-resistant late-maturing medium-season japonica rice |
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