CN103314842B - Cultivation method for half-erect panicle high-yield rice variety - Google Patents
Cultivation method for half-erect panicle high-yield rice variety Download PDFInfo
- Publication number
- CN103314842B CN103314842B CN201310258504.9A CN201310258504A CN103314842B CN 103314842 B CN103314842 B CN 103314842B CN 201310258504 A CN201310258504 A CN 201310258504A CN 103314842 B CN103314842 B CN 103314842B
- Authority
- CN
- China
- Prior art keywords
- rice
- fringe
- panicle
- generation
- yield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 55
- 235000009566 rice Nutrition 0.000 title claims abstract description 55
- 238000012364 cultivation method Methods 0.000 title abstract 3
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000196324 Embryophyta Species 0.000 claims abstract description 57
- 241000209094 Oryza Species 0.000 claims abstract description 54
- 238000009395 breeding Methods 0.000 claims description 22
- 239000008187 granular material Substances 0.000 claims description 17
- 230000005070 ripening Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 241000894007 species Species 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 4
- 230000008775 paternal effect Effects 0.000 claims description 4
- 238000009331 sowing Methods 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 230000035807 sensation Effects 0.000 claims description 3
- 235000013339 cereals Nutrition 0.000 abstract description 12
- 238000011835 investigation Methods 0.000 abstract 1
- 230000001488 breeding effect Effects 0.000 description 9
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000219991 Lythraceae Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 240000008467 Oryza sativa Japonica Group Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 230000008774 maternal effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Cultivation Of Plants (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention discloses a cultivation method for a half-erect panicle high-yield rice variety, which comprises the steps of: selecting segregative generation seed being more than third generation, planting second generation seeds and building a strain filed according to a genealogy; during the mature period, selecting small regions as half-erect panicle rice regions; performing yield ability comparison among the small regions; performing seed investigation on selected single plants with good comprehensive performances, wherein the panicle length, the single panicle weight, the rice grain density, the maturing rate and the appearance quality can be investigated; keeping single strains for which, the average panicle length is 17-20cm, the average panicle weight is 4.8-5.2g, the average rice grain density is 8.5-9.2p/g, and the average maturing rate is more than 90%, so as to obtain target variety seeds. The cultivation method disclosed by the invention can facilitate to improving the panicle traits of the half-erect panicle rice variety, so as to realize the coordination of grain increasing of each panicle, lengthening of upper three leaves of a piece of rice, and grain density of each panicle in the relatively high-yield level, and realize the organic combination of high quality and high and stable yield of rice.
Description
Technical field
The present invention relates to a kind of breeding method of half Erect Panicle high-yield rice kind, belong to plant variety breeding technique field.
Background technology
At present, paddy rice is the most important cereal crops of China, along with growth and the growth in the living standard of population, demand to rice is increasing, but be subject to the restriction of water resource and arable area, add the propelling of economic development and urbanization, Monitoring of Paddy Rice Plant Area has a declining tendency, therefore, the raising of paddy rice gross yield from now on can only rely on the raising of unit yield, the approach of realizing this goal mainly contains two kinds, the one, improve cultivation condition and technology (cultivation management), the 2nd, the new rice variety that seed selection yield potentiality is higher than existing kind, and can the yield potentiality of kind itself be the key that obtain high yield, therefore, the seed selection research of Super High Yielding Rice (super hybridization rice) new varieties is international always, the hot subject that domestic breeding men are studied.China obtains the achievement attracting people's attention aspect Yield Breeding, the utilization of rice heterosis (three line method, two line method) maintains the leading position the Yield Breeding of China in the world, also be to grow up on conventional rice breeding basis, therefore conventional breeding is foundation stone, has irreplaceable effect.And conventional rice breeding is mainly the breakthrough that obtains output by the innovation of plant type of rice, on the basis of current high yield plant type, how to carry out plant type innovation, select which type of plant type, be the difficult point of breeding, be also the key point that variety yield is broken through.
Summary of the invention
Technical problem to be solved by this invention is the defect that overcomes prior art, a kind of breeding method of half Erect Panicle high-yield rice kind is provided, this breeding method is conducive to improve the fringe portion proterties of half straight grain fringe kind, realize storehouse, source, stream harmonious in higher yield level, realize the combination of paddy rice high-quality and stable high yield.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of breeding method of half Erect Panicle high-yield rice kind, and the step of the method is as follows:
1) erect head kind paddy rice is made to female parent, by high yield, how anti-curved fringe type kind paddy rice make male parent, by female parent and paternal hybrid, obtain combined hybrid kind F0 from generation to generation;
2) combined hybrid kind F0 seed is from generation to generation planted respectively, according to fringe portion Heterosis and two parents' complementary degree, choose fringe portion with the obvious advantage, the combination that parents are complementary good, the F1 seed from generation to generation of choosing seeds to obtain;
3) F1 generation seed is begun sowing in good time at growing area, individual plant is planted, and expands plantation colony, after heading in 30 ~ 35 days, the angle of choosing fringe top and ear node formation is 50 ° ~ 70 °, and fringe degree of stretching out is at 2 centimetres ~ 4 centimetres, and panicle number per hill is at the individual plant of 9 ~ 12 fringes;
4) individual plant of choosing in step 3) is carried out to indoor species test, investigate spike length, Dan Suichong, granule density, ripening rate and exterior quality, retain average spike length at 17 centimetres ~ 20 centimetres, average single fringe weighs 4.8 grams ~ 5.2 grams, granule density between 8.5/centimetre ~ 9.2/centimetre, the individual plant of ripening rate more than 90%, obtains F2 seed from generation to generation;
5) segregative generation of selecting and remain more than F3, plants F2 generation seed set up strain nursery by pedigree: 42 strains of every community, 6 × 7 row; When maturing stage, choose the community that community is half Erect Panicle, first carry out the yielding ability comparison between community, in yielding ability Hao community, carry out again comparing between individuality, choose the individual plant that variety proterties is good, carry out indoor species test, investigate spike length, Dan Suichong, granule density, ripening rate and exterior quality, retain average spike length at 17 centimetres ~ 20 centimetres, average single fringe weighs 4.8 grams ~ 5.2 grams, granule density between 8.5/centimetre ~ 9.2/centimetre, the individual plant of ripening rate more than 90%, obtains target variety seed;
6) target variety is done to the parent of high yield improvement, and by step 1) to the breeding method of step 5) until the appearance of half Erect Panicle Rice kind of polymerization Yield Genes.
Further, in described step 3), the measuring method of angle is: choose three fringes larger in individual plant, measure the angle of fringe top and ear node formation with protractor;
Further, in described step 3), more than plantation colony is extended to 1500 strains.
Further, in described step 5), comparative approach between community is as follows: the second row six individual plants in every community compare, catch from individual plant bottom with the right hand, to fringe, portion moves, jog simultaneously, rugosity and the fringe portion weight of individual plant between sensation two communities, fringe is thick, fringe severe one is preferable cell, otherwise eliminates; In preferable cell, relatively rugosity and the regularity of every individual plant fringe in community, thick and neat middle choosing, otherwise eliminate.
Adopted after technique scheme, the present invention has following beneficial effect:
1, the present invention is conducive to improve the fringe portion proterties of half straight grain fringe kind, realizes storehouse, source, stream harmonious in higher yield level.Innovation and development on the basis of erect head plant type of rice, inherit the good advantage of erect head varietal population later stage ventilation and penetrating light, by suitably elongating fringe type, changing erect head is half erect head, expand increasing source, storehouse (increase number of grain per ear) (suitably elongating top threeleaf loosestrife herb sheet length), every fringe to granule density (rice nutriment is carried channel) simultaneously and carry out suitable design, promote storehouse, source, the collaborative raising of stream, harmonious in higher yield level, realize the stable high yield of new rice variety;
2, the present invention is conducive to realize the combination of high-quality and high yield, in segregative generation colony, on the basis that yielding ability is selected, by indoor species test, Appearance Quality of Paddy Rice is screened, and realizes the combination of rice quality and yielding ability.
Embodiment
For content of the present invention is more easily expressly understood, below according to specific embodiment, the present invention is further detailed explanation,
A breeding method for half Erect Panicle high-yield rice kind, the step of the method is as follows:
1) erect head kind paddy rice is made to female parent, by high yield, how anti-curved fringe type kind paddy rice make male parent, by female parent and paternal hybrid, obtain combined hybrid kind F0 from generation to generation;
2) combined hybrid kind F0 seed is from generation to generation planted respectively, according to fringe portion Heterosis and two parents' complementary degree, choose fringe portion with the obvious advantage, the combination that parents are complementary good, the F1 seed from generation to generation of choosing seeds to obtain;
3) F1 generation seed is begun sowing in good time at growing area, individual plant is planted, and expands plantation colony, after heading in 30 ~ 35 days, the angle of choosing fringe top and ear node formation is 50 ° ~ 70 °, and fringe degree of stretching out is at 2 centimetres ~ 4 centimetres, and panicle number per hill is at the individual plant of 9 ~ 12 fringes;
4) individual plant of choosing in step 3) is carried out to indoor species test, investigate spike length, Dan Suichong, granule density, ripening rate and exterior quality, retain average spike length at 17 centimetres ~ 20 centimetres, average single fringe weighs 4.8 grams ~ 5.2 grams, granule density between 8.5/centimetre ~ 9.2/centimetre, the individual plant of ripening rate more than 90%, obtains F2 seed from generation to generation;
5) segregative generation of selecting and remain more than F3, plants F2 generation seed set up strain nursery by pedigree: 42 strains of every community, 6 × 7 row; When maturing stage, choose the community that community is half Erect Panicle, first carry out the yielding ability comparison between community, in yielding ability Hao community, carry out again comparing between individuality, choose the individual plant that variety proterties is good, carry out indoor species test, investigate spike length, Dan Suichong, granule density, ripening rate and exterior quality, retain average spike length at 17 centimetres ~ 20 centimetres, average single fringe weighs 4.8 grams ~ 5.2 grams, granule density between 8.5/centimetre ~ 9.2/centimetre, the individual plant of ripening rate more than 90%, obtains target variety seed;
6) target variety is done to the parent of high yield improvement, and by step 1) to the breeding method of step 5) until the appearance of half Erect Panicle Rice kind of polymerization Yield Genes.
Spike length refers under fringe that joint is to the length on fringe top; Average single fringe heavily refers to the average weight after spike of rice dries; Granule density: every total grain panicle is divided by spike length.
In step 3), the measuring method of angle is: choose three fringes larger in individual plant, measure the angle of fringe top and ear node formation with protractor;
In step 3), more than plantation colony is extended to 1500 strains.
In step 5), the comparative approach between community is as follows: the second row six individual plants in every community compare, and catches with the right hand from individual plant bottom, to fringe, portion moves, jog simultaneously, rugosity and the fringe portion weight of individual plant between sensation two communities, fringe is thick, fringe severe one is preferable cell, otherwise eliminates; In preferable cell, relatively rugosity and the regularity of every individual plant fringe in community, thick and neat middle choosing, otherwise eliminate.
By this inventive method, having cultivated the trade mark is the rice paddy seed of military fortune 29154, and seed selection is through as follows:
1) select disease-resistant high yield erect head breed parent: platform 0206(City of Taizhou academy of agricultural sciences is bred as) for maternal, with the curved fringe type kind with high-quality, wide adaptability feature: No. 19, military fragrant round-grained rice (No. 9, No. 7/military fragrant round-grained rice of military fortune round-grained rice) is made paternal hybrid, obtains 34, F0 seed;
2) F0 seed dry seeds is carried out to sand and broadcast, the mixed seed (F1 spike of rice obviously elongates compared with platform 0206, and more military fragrant round-grained rice increases for No. 19 thick, and parents have good complementarity in fringe type, quality, resistance) of receiving enough F1;
3) F2 is begun sowing in good time from generation to generation, individual plant is planted, plant the colony of 1500 strain left and right, 30-35 days after heading, chooses three fringes larger in an individual plant, measures the angle of fringe top and ear node formation with protractor, choosing angle is 50-70 degree, fringe degree of stretching out is at 2-4 cm, and panicle number per hill, at the individual plant of 9-12 fringe, is selected individual plant 164 strains altogether;
4) indoor species test, after 164 individual plants are dried, with ruler amount spike length, claim fringe weight, investigating granule density (total grain is divided by spike length), ripening rate, Appearance Quality of Paddy Rice, retain average spike length at 17-20cm, the heavy 4.8-5.2g of average single fringe, granule density between 8.5-9.2 grain/cm, and ripening rate is more than 90%, outward appearance reaches three grades of rice standards of the Ministry of Agriculture, and five all meet totally 28 strains;
5) in F3 generation, 28 individual plants are set up to strain, specification: 42 of every communities, 6 × 7 row.Maturing stage, choose the community that community is half Erect Panicle, carry out the yielding ability comparison between community, in 8 good communities of yielding ability, then carry out between individuality relatively, choose totally 16 of the individual plants that variety proterties is good, carry out indoor species test (species test method and 4) identical)
6) Hainan adds generation, plants 16 strains, specification: 42 of every communities, and 6 × 7 row, receive every community has 1 of the individual plant of representative;
7) 16 strains of field planting, carry out rice blast inoculated identification to 16 strains, strain system of selection and 5) identical selection, finally select 6 individual plants;
8) Hainan adds generation, plants 6 communities, 6 community 0.5 jin of seeds of mixed receipts respectively.
9) 6 strains enter variety test of lines.Output comparison, Resistance Identification, the strain that last year, code name was 29154 shows as half erect head, and outward appearance reaches three grades of rice, output is the highest, tentatively titled 29154.
Concrete breeding is through seeing the following form:
The one half Erect Panicle high-yield rice breed breeding method that the embodiment of the present invention provides, mainly that japonica rice erect head plant type (high yield plant type) is being carried out on the basis of scientific research, the good ventilation and penetrating light feature of fringe varietal population later stage of being kept upright, innovation and development, by suitable erect head spike length, expand increasing source, storehouse (increase number of grain per ear) (suitably elongating top threeleaf loosestrife herb sheet length), every fringe to granule density (rice nutriment is carried channel) simultaneously and carry out suitable design, promote storehouse, source, stream is collaborative to be improved, harmonious in higher yield level, realize the high yield of new rice variety.At low generation segregation population (F2-F3), on the good basis of selection comprehensive agronomy proterties, by indoor species test, many indexs are carried out quality-screening on a large scale, the combination of more favourable quality and yielding ability; At middle generation population (F4-F5), on the basis of Resistance Identification screening, carry out community preferred, realize the common raising of output, quality, resistance, be bred as the new rice variety with Super-high-yielding potentiality, will there is good popularizing application prospect.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention is solved further describe; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a breeding method for half Erect Panicle high-yield rice kind, is characterized in that the step of the method is as follows:
1) erect head kind paddy rice is made to female parent, the curved fringe type kind paddy rice that high yield is resisted more: military fragrant round-grained rice is made male parent No. 19, by female parent and paternal hybrid, obtain combined hybrid kind F0 from generation to generation; Wherein, female parent is platform 0206; Male parent is No. 19, military fragrant round-grained rice;
2) combined hybrid kind F0 seed is from generation to generation planted respectively, according to fringe portion Heterosis and two parents' complementary degree, choose fringe portion with the obvious advantage, the combination that parents are complementary good, the F1 seed from generation to generation of choosing seeds to obtain;
3) F1 generation seed is begun sowing in good time at growing area, individual plant is planted, and expands plantation colony, after heading in 30～35 days, the angle of choosing fringe top and ear node formation is 50 °～70 °, and fringe degree of stretching out is at 2 centimetres～4 centimetres, and panicle number per hill is at the individual plant of 9～12 fringes; Wherein, the measuring method of angle is: choose three fringes larger in individual plant, measure the angle of fringe top and ear node formation with protractor;
4) by step 3) in the individual plant chosen carry out indoor species test, investigate spike length, Dan Suichong, granule density, ripening rate and exterior quality, retain average spike length at 17 centimetres～20 centimetres, average single fringe weighs 4.8 grams～5.2 grams, granule density between 8.5/centimetre～9.2/centimetre, the individual plant of ripening rate more than 90%, obtains F2 seed from generation to generation;
5) segregative generation of selecting and remain more than F3, plants F2 generation seed set up strain nursery by pedigree: 42 strains of every community, 6 × 7 row; When maturing stage, choose the community that community is half Erect Panicle, first carry out the yielding ability comparison between community, in yielding ability Hao community, carry out again comparing between individuality, choose the individual plant that variety proterties is good, carry out indoor species test, investigate spike length, Dan Suichong, granule density, ripening rate and exterior quality, retain average spike length at 17 centimetres～20 centimetres, average single fringe weighs 4.8 grams～5.2 grams, granule density between 8.5/centimetre～9.2/centimetre, the individual plant of ripening rate more than 90%, obtains target variety seed;
6) target variety is done to the parent of high yield improvement, and by step 1) to step 5) breeding method until the appearance of half Erect Panicle Rice kind of polymerization Yield Genes.
2. the breeding method of a kind of half Erect Panicle high-yield rice kind according to claim 1, is characterized in that: in described step 3) in, more than plantation colony is extended to 1500 strains.
3. the breeding method of a kind of half Erect Panicle high-yield rice kind according to claim 1, it is characterized in that: in described step 5) in, comparative approach between community is as follows: the second row six individual plants in every community compare, catch from individual plant bottom with the right hand, to fringe, portion moves, jog simultaneously, rugosity and the fringe portion weight of individual plant between sensation two communities, fringe is thick, fringe severe one is preferable cell, otherwise eliminates; In preferable cell, relatively rugosity and the regularity of every individual plant fringe in community, thick and neat middle choosing, otherwise eliminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258504.9A CN103314842B (en) | 2013-06-26 | 2013-06-26 | Cultivation method for half-erect panicle high-yield rice variety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258504.9A CN103314842B (en) | 2013-06-26 | 2013-06-26 | Cultivation method for half-erect panicle high-yield rice variety |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103314842A CN103314842A (en) | 2013-09-25 |
| CN103314842B true CN103314842B (en) | 2014-12-03 |
Family
ID=49184132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310258504.9A Expired - Fee Related CN103314842B (en) | 2013-06-26 | 2013-06-26 | Cultivation method for half-erect panicle high-yield rice variety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103314842B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107267638A (en) * | 2017-07-26 | 2017-10-20 | 安徽省农业科学院水稻研究所 | The molecular labeling and its method of a kind of quick breeding high-quality erect head rice varieties |
| CN107750939A (en) * | 2017-09-26 | 2018-03-06 | 眉山市东坡区德祥蔬菜专业合作社 | A kind of rice cultivating method |
| CN111011209A (en) * | 2019-12-30 | 2020-04-17 | 天津市优质农产品开发示范中心 | Method for breeding semi-bent heavy-ear large-grain japonica rice |
| CN111387042A (en) * | 2020-03-31 | 2020-07-10 | 西南科技大学 | Method for improving hybrid rice by utilizing dynamic spike type |
| CN116508644B (en) * | 2023-04-11 | 2024-08-20 | 江苏省大华种业集团有限公司 | Rapid and efficient breeding method for light simplified cultivation of japonica rice variety |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185420A (en) * | 2007-12-24 | 2008-05-28 | 广东省农业科学院水稻研究所 | High efficiency rice breeding method |
| CN101317547A (en) * | 2008-07-24 | 2008-12-10 | 江苏里下河地区农业科学研究所 | Field selection method for indica hybrid rice ideal strain type at the middle and lower reaches of Changjiang River |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1115950C (en) * | 1999-04-06 | 2003-07-30 | 四川省农业科学院作物研究所 | Method for producing hybrid rice seeds by screening method |
-
2013
- 2013-06-26 CN CN201310258504.9A patent/CN103314842B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101185420A (en) * | 2007-12-24 | 2008-05-28 | 广东省农业科学院水稻研究所 | High efficiency rice breeding method |
| CN101317547A (en) * | 2008-07-24 | 2008-12-10 | 江苏里下河地区农业科学研究所 | Field selection method for indica hybrid rice ideal strain type at the middle and lower reaches of Changjiang River |
Non-Patent Citations (6)
| Title |
|---|
| 优质高产粳稻新品种武运粳29的选育及栽培技术;朱邦辉等;《中国稻米》;20130320;第19卷(第2期);第73页左栏第1段 * |
| 朱邦辉等.优质高产粳稻新品种武运粳29的选育及栽培技术.《中国稻米》.2013,第19卷(第2期),第73页左栏第1段. * |
| 武运粳7号的选育应用及育种技术路线探讨;钮中一等;《中国稻米》;20081231(第3期);第32页左栏第4-5段，第33页右栏第2、4段 * |
| 赵劲松等.高产优质水稻新品种吉粳 88 选育报告.《吉林农业科学》.2006,第31卷(第5期),摘要及第1节. * |
| 钮中一等.武运粳7号的选育应用及育种技术路线探讨.《中国稻米》.2008,(第3期),第32页左栏第4-5段，第33页右栏第2、4段. * |
| 高产优质水稻新品种吉粳 88 选育报告;赵劲松等;《吉林农业科学》;20061231;第31卷(第5期);摘要及第1节 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103314842A (en) | 2013-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103416208B (en) | Cultivation method of cold-resistant palms | |
| CN103314842B (en) | Cultivation method for half-erect panicle high-yield rice variety | |
| CN103355159B (en) | A kind of selection of perennial forage maize | |
| CN103026963A (en) | Breeding method for temperate corn employing tropical germplasm | |
| CN106665332A (en) | Method for carrying out recurrent selection breeding on water-saving and drought-resisting rice by utilizing dominant nuclear male sterile material | |
| CN109618911A (en) | A kind of winter wheat strange land of simple and effective low cost adds for breeding method | |
| CN102090326A (en) | Method for cultivating wheat cultivar | |
| CN104221675B (en) | Fresh waxy corn interplanting early Chinese cabbage multiple cropping autumn kidney bean 1 year two season three ripe efficient cultivation method | |
| CN103782901A (en) | Method for breeding erected-wheatear indica type three-line sterile line | |
| CN104604671A (en) | Breeding method for novel vegetable soybean variety with wide adaptability | |
| CN102106254B (en) | Hybrid seed production method for nitrogen efficient maize | |
| CN103355080A (en) | Culturing method of perennial forage maize | |
| CN103461107A (en) | Breeding method for white-type strong female hybrid balsam pears | |
| Kumar et al. | Genetic variability, heritability, genetic advance and genetic divergence for yield and its contributing traits in gladiolus (Gladiolus grandiflorus L.) | |
| CN108812299A (en) | Circulation modification method in corn Suwan germplasm group | |
| CN105028182A (en) | Seed preparation method for waxy maize hybrids of Zhenuoyu 7 | |
| CN100353833C (en) | Method for breeding seeds of hybridized tomato | |
| CN105961186A (en) | Breeding method of excellent super sweet corn inbreeding line | |
| CN102960240A (en) | Seed selection and breeding method of Xidan No.5 hybrid corn new species | |
| CN115152624A (en) | Rapid breeding method for new stress-resistant high-yield winter wheat variety | |
| CN104782371B (en) | A kind of ratooning rice for being suitable for southern ricefish system, which stores, educates cultural method | |
| CN1692711A (en) | Method for cross breeding of corn | |
| CN101595835A (en) | A kind of breeding wheat resisting short-stalk powdery mildew | |
| CN111011209A (en) | Method for breeding semi-bent heavy-ear large-grain japonica rice | |
| CN105104176A (en) | High-yield, stable-yield and rice-blast-resistant breeding method of rice |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |