CN102301948A - Method for breeding high-yield and disease-resistant glutinous rice - Google Patents
Method for breeding high-yield and disease-resistant glutinous rice Download PDFInfo
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- CN102301948A CN102301948A CN201110213519A CN201110213519A CN102301948A CN 102301948 A CN102301948 A CN 102301948A CN 201110213519 A CN201110213519 A CN 201110213519A CN 201110213519 A CN201110213519 A CN 201110213519A CN 102301948 A CN102301948 A CN 102301948A
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Abstract
The invention discloses a method for breeding high-yield and disease-resistant glutinous rice, and belongs to a crop breeding method. The method disclosed by the invention comprises the following steps: selecting disease-resistant and high-yield japonica rice as a female parent, selecting blast-resistant and high-yield round-grain glutinous rice as a male parent, and hybridizing the japonica rice with the glutinous rice to obtain a generation F1; carrying out manual screening, rice stripe disease identification and bacterial leaf blight artificial inoculation identification, and selfing in a generation F5; and further screening by identifying bacterial leaf blight, rice stripe disease and rice blast, and identifying quality and taste so as to obtain a target variety. By adopting the breeding method disclosed by the invention, the bred glutinous rice has the advantages of excellent quality, good taste and good commodification; the selected waxy material has the advantages of good plant type, good ripe phase, strong disease resistance, strong yielding ability, good yield stability, coordinated grain structure and strong auto-regulation ability, and ripe stage is combined with taste quality during yield identification; and thousand seed weight of the bred material is more than 26g after screening for years.
Description
Technical field
The present invention relates to the breeding method of a kind of crop, relate in particular to the breeding method of a kind of high yield, disease-resistant glutinous rice.
Background technology
Paddy rice is the first crop of China; The paddy rice of China's cultivation mainly contains two subspecies; Be Xian subspecies and round-grained rice subspecies; Glutinous rice variety is the viscosity mutation of paddy rice; With other rice major different is to have 95 ~ 100%, amylopectin in its starch; Glutinous rice rich in proteins and fat, nutritive value is high, has been indispensable product in our daily life and the commercial production.According to the GB1350-1999 definition, japonica rice paddy refers to the fruit of the non-glutinous property paddy of round-grained rice type, the general ovalize of seed, and rice matter viscosity is big, the property that expands is less.Round grain glutinous rice: the fruit of the glutinous property of round-grained rice type rice, the general ovalize of brown rice, the grain of rice is creamy white, and is opaque, also has translucently, and viscosity is big.In recent years, follow 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 improvement of glutinous rice quality more shows.
The existing main most output of glutinous rice variety of planting in Jiangsu Province are not high, and the sense stripe disease also occurs degenerating to the resistance of rice blast.Therefore, the glutinous rice of good, the high yield of seed selection food flavor, disease-resistant anti-pest is important goals of the extraordinary rice breeding in Jiangsu Province.
Summary of the invention
Goal of the invention: the purpose of this invention is to provide the breeding method of a kind of high yield, disease-resistant glutinous rice, cultivate glutinous rice new varieties best in quality, that food flavor is good, yielding ability good, ripe lover, disease resistance are outstanding.
Technical scheme: for realizing above-mentioned purpose, the breeding method of a kind of high yield of the present invention, disease-resistant glutinous rice comprises the steps:
A) japonica rice of selecting disease-resistant, high yield for use is as female parent, and the round-grained rice of anti-pest, high yield is glutinous to obtain F as hybridization of female parent
1Generation;
B) F
1Mix receipts for impurity elimination after the selfing, with F
2Transplanting for seed presoaking and germinating, is that index screening obtains F with plant type, ripe phase, brown rice yield when ripe
3Generation;
C) cultivate F
3The strain system in generation carries out stripe disease and identifies that bacterial leaf-blight is identified in artificial infection, screens as index with yielding ability, exterior quality, eliminates according to colony's regularity and separates serious strain system, obtains F
4Generation;
D) cultivate F
4The strain system in generation carries out stripe disease and identifies that bacterial leaf-blight is identified in artificial infection, screens as index with yielding ability, exterior quality, eliminates according to colony's regularity and separates serious strain system, obtains F
5Generation;
F) F
5For selfing, isolate the good strain system of comprehensive proterties as F
6Generation;
E) F
6Screen for artificial infection evaluation bacterial leaf-blight and stripe disease, and with rice blast microspecies inoculation panicle blast, evaluation and the screening of carrying out blast resisting obtain F
7Generation;
G) F
7In generation, carried out variety comparative test, the stripe disease screening, and bacterial leaf-blight and panicle blast are identified in artificial infection, obtain target variety.
Wherein, steps A) said female parent is No. 21, military fortune round-grained rice, and military fortune round-grained rice 21 precocities, high yield, anti-stripe disease, said male parent be that military perfume is glutinous 2402, glutinous 2402 blast resistings of Wu Xiang, high yield, ripe lover.Obtain 60 in seed after parent's hybridization.
Step B) F in
1Generation plantation 20 strain selfings, impurity elimination mixes receives said transplant planting 1000 strains.Step B) also comprises said F
2Seed goes out rough shelling, and rejects polished rice.Step B) being index screening with plant type, ripe phase, brown rice yield described in does not carry out before glutinous changeing.
Wherein, plant type comprises with ripe index mutually step B): the seedling low body is strong, and leaf is tall and straight, and the leaf look moderate, and tillering ability is strong, and plant type is compact, and sword-like leave is shorter, and is tall and straight, is subjected to the light attitude good, and functional period is long, and it is delicate and pretty to grow, and the later stage annesl is along transferring.
Wherein, F
6Generation, F
7In generation, also filter out the good strain of food flavor through carrying out the food trial test.
Wherein, F
1Generation, F
6Breed for carrying out selfing in Hainan of Chinese torrid areas, paddy growth is fast, and the cycle is short.
Beneficial effect: the breeding method of a kind of high yield of the present invention, disease-resistant glutinous rice is best in quality, and food flavor is good, and the glutinous rice commodity is good; Through disease-resistant, the anti-pest screening in four generations, disease resistance is outstanding, and yield stability is good; Plant type is good, ripe mutually good; Output combines ripe phase, food flavor quality when identifying, elected glutinous property material disease resistance is all more outstanding, and high and stable yield is good, and the fringe kernel structure is coordinated, and self regulating power is strong, through screening for many years, more than material thousand kernel weight 26 grams of breeding.
Embodiment
Embodiment
A) in 2003, the japonica rice of selecting disease-resistant, high yield for use is as female parent, and the round-grained rice of anti-pest, high yield is glutinous to obtain F1 generation as hybridization of female parent;
B) in the spring in 2004, with F
1In generation (numbering 10284), planted 20 strains in Hainan, and selfing, impurity elimination mix receives, and obtains F
2Seed;
C) with the F of drying
2In generation,, (numbering 5692) seed went out rough shelling, and the artificial polished rice of rejecting keeps glutinous rice and treats the plantation of following season, before the plantation with the glutinous rice presoaking and germinating sowing of selecting and remain, transplant planting 1000 strains, selecting good, the ripe lover of plant type, individual plant that brown rice yield is high when ripe is F
3Generation;
D) with F
3In generation (numbering 5891), planted 12 strains system, carries out stripe disease evaluation and artificial infection and identify bacterial leaf-blight, as index, eliminates 9 separation serious strain systems according to colony's regularity with yielding ability, exterior quality, is selected in 15 strains and obtains F
4Generation;
E) with F
4Generation (numbering 5316) plantation 15 strains system carries out stripe disease and identifies and artificial infection evaluation bacterial leaf-blight, with yielding ability, exterior quality as index; Eliminate 9 the serious strain of separation systems according to colony's regularity; Selected 17 strains, wherein the comprehensive proterties of two strain systems (totally 6 strains) is good, as F
5Generation;
F) F
5Carry out selfing for (numbering 4683) in Hainan and breed, plantation is 6 strains systems, eliminates 3 strains systems according to comprehensive proterties, and acquisition is stayed and selected totally 8 strains of 3 strains systems, as F
6Generation;
G) with F
6Identify bacterial leaf-blight and stripe disease screening for artificial infection; And mix microspecies with rice blast and inoculate panicle blast, and carry out food flavor and taste evaluation, obtain F
7Generation;
H) with F
7In generation, carried out variety comparative test, carries out the stripe disease screening, and bacterial leaf-blight and panicle blast are identified in artificial infection, and carry out food flavor and taste evaluation, obtains target variety.
Test Example
Step according to embodiment is carried out breeding, obtains sowing, managing after the target strain:
(1) proper seeding is cultivated strong seedling.Generally in early and middle ten days sowing in May, every 667m
220 ~ 30 kilograms of rice seedling bed sowings, 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 watery ricenursery length of time rice seedlings grow with about 30 days for well, the non-irrigated seedling length of time rice seedlings grow with 20 ~ 25 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 80,000.And accomplish an even surface planting, improve and plant quality.
(3) every mu of total pure nitrogen level is controlled at about 18 ~ 20 kilograms, takes the circumstances into consideration increase and decrease based on fertility.Heavy dressing base manure (applying organic manure) is early executed short fetilizer for tillering, and seedling improves the percentage of earbearing tiller to putting the field as early as possible.Using sufficient on the basis of base manure, planting the back and executed urea 10kg/ mu in 5 ~ 7 days, shallow water was diligently irritated short and was early sent out early stage, strove planting back about 20 days, and stem tiller number reaches about 200,000, light earlier later on after heavily gradation put the field, the numerical control of the highest stem tiller is built in 25 ~ 270,000.On the basis of middle control, early execute the short fertilizers for potted flowers of heavy dressing, short grain is striven big fringe, takes the circumstances into consideration to execute to protect fertilizers for potted flowers; Or short guarantor taken into account single-dose application; Reach and attack big fringe, strive the heavy purpose of fringe.Final-period management is to improve ripening rate, and increase grain-weight is attached most importance to, and adopts and does wet method, must guard against and cuts off the water supply too early, and it is until old ripe to guarantee to live, to guarantee high yield and high-quality.
(4) carry out the extermination of disease and insect pest.Pests occurrence rule according to disease, worm, crop smothering is in time carried out preventing and controlling.Especially note under the high-yield culturing condition,, should note carrying out the preventing and controlling of leaf-roller, paddy stem borer, rice fulgorid, rice blast, stripe virus disease and weeds because nitrogen level is higher.
Compare in the glutinous rice with other strains of Jiangsu Province in 2009, average yield per mu 634.36Kg occupies the 5th, contrasts No. 1 (super hybridization rice) raising the output 6.62% of peaceful round-grained rice.In the 158.75 days time of infertility, comparison was according to precocious 2.25 days.1 grade of ear stem pest, high resistance to hoja blanca, in anti-banded sclerotial blight, in anti-stripe virus disease, lodging resistance is good.
Compared with other precocious late round-grained rice of Jiangsu Province in 2010, average yield per mu 620.85Kg occupies the 5th, contrasts No. 1 (super hybridization rice) raising the output 5.56% of peaceful round-grained rice, increases production extremely remarkable.In the 158.14 days time of infertility, comparison was according to precocious 1.86 days.1 grade of ear stem pest, high resistance to hoja blanca, in anti-banded sclerotial blight, in anti-stripe virus disease, lodging resistance is good.
The above only is a preferred implementation of the present invention; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be considered as protection scope of the present invention.
Claims (4)
1. the breeding method of a high yield, disease-resistant glutinous rice is characterized in that comprising the steps:
A) japonica rice of selecting disease-resistant, high yield for use is as female parent, and the round-grained rice of anti-pest, high yield is glutinous to obtain F as hybridization of female parent
1Generation;
B) F
1Mix receipts for impurity elimination after the selfing, with F
2Transplanting for seed presoaking and germinating, is that index screening obtains F with plant type, ripe phase, brown rice yield when ripe
3Generation;
C) cultivate F
3The strain system in generation carries out stripe disease and identifies that bacterial leaf-blight is identified in artificial infection, screens as index with yielding ability, exterior quality, eliminates according to colony's regularity and separates serious strain system, obtains F
4Generation;
D) cultivate F
4The strain system in generation carries out stripe disease and identifies that bacterial leaf-blight is identified in artificial infection, screens as index with yielding ability, exterior quality, eliminates according to colony's regularity and separates serious strain system, obtains F
5Generation;
F) F
5For selfing, isolate the good strain system of comprehensive proterties as F
6Generation;
E) F
6Screen for artificial infection evaluation bacterial leaf-blight and stripe disease, and with rice blast microspecies inoculation panicle blast, evaluation and the screening of carrying out blast resisting obtain F
7Generation;
G) F
7In generation, carried out variety comparative test, the stripe disease screening, and bacterial leaf-blight and panicle blast are identified in artificial infection, obtain target variety.
2. the breeding method of a kind of high yield according to claim 1, disease-resistant glutinous rice is characterized in that: steps A) said female parent is No. 21, military fortune round-grained rice, and said male parent be military perfume glutinous 2402.
3. the breeding method of a kind of high yield according to claim 1, disease-resistant glutinous rice is characterized in that: step B) also comprise said F
2Seed goes out rough shelling, and rejects polished rice.
4. the breeding method of a kind of high yield according to claim 1, disease-resistant glutinous rice is characterized in that: being index screening with plant type, ripe phase, brown rice yield step B) does not carry out before glutinous changeing.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771383A (en) * | 2012-08-13 | 2012-11-14 | 江苏丰源种业有限公司 | Method for breeding and seed production of superior multi-resistance high-yield two-line hybrid rice |
| CN102893856A (en) * | 2012-07-31 | 2013-01-30 | 江苏丰源种业有限公司 | Method for breeding high-quality high-yield multi-resistance widely adoptable new species paddy rice in simplified mode |
| CN103340147A (en) * | 2013-07-22 | 2013-10-09 | 江苏丰源种业有限公司 | Breeding method of high-yield early-matured soft rice |
| CN103798149A (en) * | 2014-02-25 | 2014-05-21 | 绍兴市农业科学研究院 | Special early indica glutinous rice for Shaoxing rice wine and cultivation method thereof |
| CN104542263A (en) * | 2014-12-05 | 2015-04-29 | 文山壮族苗族自治州农业科学院 | Method for breeding purple-plant purple fragrant glutinous rice variety |
| CN105145345A (en) * | 2015-09-28 | 2015-12-16 | 杭州中泽生物科技有限公司 | Breeding method for nutritive rice variety |
| CN105660382A (en) * | 2016-03-03 | 2016-06-15 | 山东省水稻研究所 | Rice breeding method |
| CN108522181A (en) * | 2018-06-11 | 2018-09-14 | 云南红河卧龙米业有限责任公司 | A kind of selection and breeding implantation methods of grain quality rice |
| CN110169354A (en) * | 2019-06-19 | 2019-08-27 | 湖南杂交水稻研究中心 | A kind of pyramiding breeding method of blast resisting, excellent flavour rice kind |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893856A (en) * | 2012-07-31 | 2013-01-30 | 江苏丰源种业有限公司 | Method for breeding high-quality high-yield multi-resistance widely adoptable new species paddy rice in simplified mode |
| CN102771383A (en) * | 2012-08-13 | 2012-11-14 | 江苏丰源种业有限公司 | Method for breeding and seed production of superior multi-resistance high-yield two-line hybrid rice |
| CN103340147A (en) * | 2013-07-22 | 2013-10-09 | 江苏丰源种业有限公司 | Breeding method of high-yield early-matured soft rice |
| CN103798149A (en) * | 2014-02-25 | 2014-05-21 | 绍兴市农业科学研究院 | Special early indica glutinous rice for Shaoxing rice wine and cultivation method thereof |
| CN104542263A (en) * | 2014-12-05 | 2015-04-29 | 文山壮族苗族自治州农业科学院 | Method for breeding purple-plant purple fragrant glutinous rice variety |
| CN105145345A (en) * | 2015-09-28 | 2015-12-16 | 杭州中泽生物科技有限公司 | Breeding method for nutritive rice variety |
| CN105145345B (en) * | 2015-09-28 | 2017-06-16 | 杭州中泽生物科技有限公司 | A kind of selection of nutrition rice kind |
| CN105660382A (en) * | 2016-03-03 | 2016-06-15 | 山东省水稻研究所 | Rice breeding method |
| CN105660382B (en) * | 2016-03-03 | 2017-10-03 | 山东省水稻研究所 | A kind of rice breeding method |
| CN108522181A (en) * | 2018-06-11 | 2018-09-14 | 云南红河卧龙米业有限责任公司 | A kind of selection and breeding implantation methods of grain quality rice |
| CN110169354A (en) * | 2019-06-19 | 2019-08-27 | 湖南杂交水稻研究中心 | A kind of pyramiding breeding method of blast resisting, excellent flavour rice kind |
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Application publication date: 20120104 |