CN108377904A - A kind of selection of conventional Rice new varieties - Google Patents
A kind of selection of conventional Rice new varieties Download PDFInfo
- Publication number
- CN108377904A CN108377904A CN201810357601.6A CN201810357601A CN108377904A CN 108377904 A CN108377904 A CN 108377904A CN 201810357601 A CN201810357601 A CN 201810357601A CN 108377904 A CN108377904 A CN 108377904A
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- rice
- selection
- new varieties
- character
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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
-
- 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
- A01H1/04—Processes of selection involving genotypic or phenotypic markers; Methods of using phenotypic markers for selection
Abstract
The invention discloses a kind of selections of conventional Rice new varieties, character design and context, the initial screening of pedigree method single plant and cell postsearch screening based on parental trait pond are combined, strict regulations cross combination number and cell screen scale, and rice blast hotspot natural environment or artificial infection idenfication is selected to carry out resistance screening.Implemented by this method, can select that high yield, more anti-, rice is of fine quality, wide adaptability conventional indica rice new varieties.
Description
Technical field
The present invention relates to technical field of crop propagation more particularly to a kind of selections of conventional Rice new varieties.
Background technology
The middle and lower reach of Yangtze River has good plantation double cropping of rice ecological condition.By taking japonica rice as an example, market is especially excellent to polished rice
Matter polished rice demand is very big, and supply falls short of demand for high quality japonica kind, but high quality japonica develops slowly.To find out its cause, influencing japonica rice production
Main problem have：First, breeding time is partially long.In Middle And Lower Reaches of Changjiang River is double cropping of rice north area, is required breeding time more tight
Lattice, the time of infertility required within 130 days.Existing most of kinds limit its further popularization because breeding time is partially long.Second is that
" fine work " kind of good year production lacks, and Variety comprehensive is unknown, and phenomenon wide in variety, random, miscellaneous is extremely serious." it is high without it is excellent,
It is excellent without height " the phenomenon that generally existing, double evening in season round-grained rice the problems such as there is also blast resisting energy force difference, later stage chilling injuries.Three length
Based on river In The Middle And Lower Reaches are always produced with Indica Hybrid Rice, studied as the new variety selective breeding technology of object using conventional Xian, japonica rice
Very weak, conventional indica rice production Cultural practice does not match.
Invention content
The object of the invention is exactly to provide a kind of selection of conventional Rice new varieties to make up the defect of prior art.
The present invention is achieved by the following technical solutions：
2000-3000 parts of conventional indica rice germplasm resource bank is compiled extensively, builds the excellent agronomy of 11 class parent managements
Shape pond, 100-200 parts of parent managements are collected per class pond, and wherein Other Main Agronomic Characters are as follows：Plant and leaf shape is reasonable for structure, heading is neat
It spends, is anti-fall, yield is high, rice is of fine quality, precocious, middle bacterial blight-resisting, middle blast resisting, moderate resistance false smut, moderate resistance striped leaf are withered
Disease, moderate resistance banded sclerotial blight.
As needed, it carries out character design and intersects combo, obtain excellent target Agronomic Traits assembled scheme.
According to designed excellent economical character composite object scheme, corresponding father in required various trait pond is chosen respectively
Female parent is hybridized, and since the first time segregating generation of hybrid, 1 year two generation pressed pedigree method, according to designed excellent agronomy
Character composite object carries out Single-plant selection and is received to the character stable and consistent of strain, then by selected strain area, is new lines.
In 1 year two generation, carry out single plant optimum selecting to F8-F14, often for Single-plant selection in 50-150 strains by pedigree method
Between, it is bred as participating in the new lines quantity of cell comparation and assessment between 100-150 according to objective trait primary dcreening operation.
The new product based material for being selected in above-mentioned according to target character in the cell comparation and assessment, the 0.02 mu of cultivation of each material cell
It inserts, is control with existing provinces and regions prerun control material if 2-3 times repeats.
Plant and leaf shape is reasonable for structure in the cell comparation and assessment, heading regularity is good, anti-fall character presses variable rate technology, yield traits
Produce quantity and species test as a result, rice quality detection presses national standard by practical survey, disease resistance mainly select bacterial leaf-blight, rice blast, false smut,
Stripe virus disease, the natural selection of banded sclerotial blight hotspot or artificial infection are identified.
The type of the conventional Rice includes morning Xian, middle Xian round-grained rice and Double late season indica rice round-grained rice.
Beneficial effects of the present invention are：
The present invention is based on the character design and context in parental trait pond, the initial screening of pedigree method single plant and cell postsearch screenings to be combined,
Strict regulations cross combination number and cell screen scale, and select rice blast hotspot natural environment or artificial infection idenfication
Carry out resistance screening.Implemented by this method, can select that high yield, more anti-, rice is of fine quality, wide adaptability conventional indica rice is new
Kind.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
By taking rice double cropping late rice new varieties W328 selection and breeding as an example：
（1）2000 parts of Germplasms are compiled, the excellent economical character pond of 11 class parent managements has been built, are received per class pond
Collect 100-200 parts of parent managements, Other Main Agronomic Characters are as follows：Plant and leaf shape is reasonable for structure, heading regularity is good, anti-fall, yield（Compared with
Try 3% or more check variety volume increase in existing province's variety of crops area）, meter Zhi（3 grades of national standard or more）, it is precocious（More existing province crops
2-3 days check variety morning breeding time of strain's area experiment or more）, in terms of resistance trait：Bacterial leaf-blight（3 grades or more）, rice blast（3 grades
More than）, false smut（3 grades or more）, stripe virus disease（3 grades or more）, banded sclerotial blight（3 grades or more）；
（2）As needed corresponding parent parent, progressive are chosen from yield height, better resistance, rice character pond of fine quality respectively
Shape design intersects combo, obtains excellent target Agronomic Traits assembled scheme, and carrying out single plant by pedigree method by 1 year two generation preferentially selects
Select the character stable and consistent to F10 generations to strain, the target Agronomic Traits that per generation selects high yield, meter Zhi Hao, disease resistance good, per Dai Dan
It selects good strains in the field for seed and selects at 60 plants or so；
（3）Cell appraises through comparison place：Base in Hefei institute of academy of agricultural sciences of Anhui Province, 10 mu of area, 0.02 mu of each material cell are planted,
If 3 repetitions, according to the new lines quantity of objective trait primary dcreening operation participation cell comparation and assessment at 110, in cell comparation and assessment, according to strain
Leaf structure is reasonable, heading regularity is good, anti-fall character presses variable rate technology；
（4）Cell is appraised through comparison, and rice quality detection is completed by rice in China institute meter Zhi Jian measured centers, and yield produces quantity, unit by practical survey
KG, species test are mainly plant height, spike length, grain number per spike, mass of 1000 kernel etc.；
（4）Material Disease Resistance Identification mainly selects Anhui Province Mount Huang, the rice blast hotspot natural selection of Jingde area, rice blast
Disease, bacterial leaf-blight artificial infection are completed by Institute of Plant Protection of academy of agricultural sciences of Anhui Province；
（5）It is combined according to the design and context in parental trait pond, the initial screening of pedigree method single plant and cell postsearch screening, it is practical to obtain
Make female parent with the round-grained rice proximate matter material W262 that high yield, rice matter made of Agricultural University Of Nanjing's selection and breeding are good, by " in terms of global Rice molecular breeding
Draw " the preferably indica type materials A SD16 of disease resistance that is introduced from International Rice of project（C60）Hybridized as male parent, is bred as
Xian, round-grained rice distant hybridization novel species material W328；For W328 while keeping high yield characteristics, rice matter index is close up to 2 grades of standards
Only one rice matter index is up to the new lines of 2 grades of standards, and highly resistance stripe virus disease, anti-rice in the examination of the areas Wan Jing of the Anhui Province Liang Nian
Seasonal febrile diseases, false smut and bacterial leaf-blight.
Claims (6)
1. a kind of selection of conventional Rice new varieties, which is characterized in that compile conventional indica rice germplasm resource bank extensively
2000-3000 parts, the excellent economical character pond of 11 class parent managements is built, wherein Other Main Agronomic Characters are as follows：Plant and leaf shape structure
Rationally, heading regularity is good, anti-fall, yield is high, rice is of fine quality, precocious, middle bacterial blight-resisting, middle blast resisting, moderate resistance false smut,
Moderate resistance stripe virus disease, moderate resistance banded sclerotial blight；100-200 parts of parent managements are collected per class pond, as needed, are carried out character design and are handed over
Combo is pitched, excellent target Agronomic Traits assembled scheme is obtained, cross combination is carried out and obtains new lines.
2. the selection of conventional Rice new varieties according to claim 1, which is characterized in that according to designed excellent agriculture
Skill character composite object scheme is chosen corresponding Parent in required various trait pond and is hybridized, respectively from the first of hybrid
Secondary segregating generation starts, and 1 year two generation pressed pedigree method, according to designed excellent economical character composite object, carries out Single-plant selection
It is received to the character stable and consistent of strain, then by selected strain area, is new lines.
3. the selection of conventional Rice new varieties according to claim 2, which is characterized in that 1 year two generation press pedigree
Method carries out single plant optimum selecting to F8-F14, often for Single-plant selection between 50-150 plants, is bred as joining according to objective trait primary dcreening operation
Add the new lines quantity that cell is appraised through comparison between 100-150.
4. the selection of the conventional Rice new varieties according to claim 1-3, which is characterized in that will in the cell comparation and assessment
The selected new product based material of above-mentioned according to target character, 0.02 mu of each material cell are planted, if 2-3 times repeats, with existing provinces and regions
Prerun control material is control.
5. the selection of the conventional Rice new varieties according to claim 1-3, which is characterized in that strain in the cell comparation and assessment
Leaf structure is reasonable, heading regularity is good, anti-fall character presses variable rate technology, and yield traits produce quantity and species test knot by practical survey
Fruit, rice quality detection press national standard, and disease resistance mainly selects bacterial leaf-blight, rice blast, false smut, stripe virus disease, banded sclerotial blight occurred frequently
Regional natural selection or artificial infection are identified.
6. the selection of conventional Rice new varieties according to claim 1, which is characterized in that the type packet of the conventional Rice
Include early Xian, middle Xian round-grained rice and Double late season indica rice round-grained rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810357601.6A CN108377904A (en) | 2018-04-20 | 2018-04-20 | A kind of selection of conventional Rice new varieties |
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| CN201810357601.6A CN108377904A (en) | 2018-04-20 | 2018-04-20 | A kind of selection of conventional Rice new varieties |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496830A (en) * | 2018-10-31 | 2019-03-22 | 玉溪市农业科学院 | A kind of rice breeding method |
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| CN1220823A (en) * | 1998-12-17 | 1999-06-30 | 绵阳经济技术高等专科学校 | Breeding method for high-yield, disease-resistant, high-quality rice sterility series and its hybrid combination |
| WO2005000006A2 (en) * | 2003-05-28 | 2005-01-06 | Pioneer Hi-Bred International, Inc. | Plant breeding method |
| CN104303989A (en) * | 2014-05-15 | 2015-01-28 | 浙江大学 | Hybrid rice seed breeding method |
| CN108651269A (en) * | 2018-03-07 | 2018-10-16 | 上海市农业科学院 | A kind of Japonica Hybrid combination yielding stability prediction technique |
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2018
- 2018-04-20 CN CN201810357601.6A patent/CN108377904A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1220823A (en) * | 1998-12-17 | 1999-06-30 | 绵阳经济技术高等专科学校 | Breeding method for high-yield, disease-resistant, high-quality rice sterility series and its hybrid combination |
| WO2005000006A2 (en) * | 2003-05-28 | 2005-01-06 | Pioneer Hi-Bred International, Inc. | Plant breeding method |
| CN104303989A (en) * | 2014-05-15 | 2015-01-28 | 浙江大学 | Hybrid rice seed breeding method |
| CN108651269A (en) * | 2018-03-07 | 2018-10-16 | 上海市农业科学院 | A kind of Japonica Hybrid combination yielding stability prediction technique |
Non-Patent Citations (7)
| Title |
|---|
| A.TIRKEY等: "Heterosis breeding for higher yields in rice through line x tester design", 《PLANT ARCHIVES》 * |
| 中国农业科学院江苏分院: "《稻作育种技术》", 30 April 1965, 上海科学技术出版社 * |
| 周守年: "优质高产水稻新品种晚粳W328的选育与应用", 《中国稻米》 * |
| 周清明等: "超高产水稻品种理想型性状和优化配组新技术的研究", 《湖南农业大学学报》 * |
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| 康圣好: "中熟晚粳新品种华粳40的选育及高产栽培", 《安徽农业科学》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496830A (en) * | 2018-10-31 | 2019-03-22 | 玉溪市农业科学院 | A kind of rice breeding method |
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