CN106489722A - A kind of selection of long term growth perfume round-grained rice rice paddy seed - Google Patents
A kind of selection of long term growth perfume round-grained rice rice paddy seed Download PDFInfo
- Publication number
- CN106489722A CN106489722A CN201610988515.6A CN201610988515A CN106489722A CN 106489722 A CN106489722 A CN 106489722A CN 201610988515 A CN201610988515 A CN 201610988515A CN 106489722 A CN106489722 A CN 106489722A
- Authority
- CN
- China
- Prior art keywords
- rice
- seed
- selection
- grain
- round
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- General Health & Medical Sciences (AREA)
- Botany (AREA)
- Developmental Biology & Embryology (AREA)
- Environmental Sciences (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
A kind of selection of long term growth perfume round-grained rice rice paddy seed, comprises the steps：Step 1. is transplanted simultaneously with japonica rice DL 5 and the japonica rice LX with fragrant open form gene 8；After two japonica rice that step 2. is sowed enter florescence, make female parent with DL 5, LX 8 carries out sexual hybridization as male parent；The kind first that step 3. hybridization is obtained is planted, and obtains second generation seed；Step 4. is planted with second generation seed and the seed for obtaining is screened, and selects the ripe grain that grain is savory and the coming year can regenerate as seed, is planted again；Step 5. repeat step 4 at least 5 times, obtains the long term growth perfume round-grained rice rice paddy seed.The rice varieties that selection of the present invention is obtained exempt to broadcast, no-tillage, eliminate plough a field, seedling, fortune seedling, the operation that transplants seedlings, the labor intensity of peasant is significantly alleviated, reduce Rice Production hilly area labor cost, improve economic benefit and the peasant income of Rice Production.
Description
Technical field
The invention belongs to agriculture field, is related to rice paddy seed selection-breeding, and in particular to a kind of long term growth perfume round-grained rice rice paddy seed
Selection.
Background technology
Food problem is not only related to national economy, and is related to political stable and social stability.Oryza sativa L. is in the world
One of most important cereal crops, are the staple foods of more than half population of China.Estimate that the whole world to the year two thousand thirty is with forefathers according to expert
It is irreversible that mouth shows a rising trend, and it is irreversible that global cultivated area is reduced year by year, aged tendency of population, rural area sky nesting, nature
Disaster takes place frequently irreversible.Grain increases increasingly slowly, and grain security has become the hot issue of international community's common concern.
The existing grain yield of China increases year after year, and grain ration problem is solved at all, but the quality of grain and the tip of the tongue safety
Increasingly it is taken seriously, ecologic planting is the inexorable trend of Rice Cropping, and, modern agriculture scale, mechanization rice seed
Plant is imperative, and under the conditions of available man-power resources costss quickly go up, existing Rice Production needs to sow every year, transplants seedlings,
High labor intensive, production cost, high especially hilly area and mountain area.Long term growth for many years is once sowed in development（Long term growth only refers to
After cutting off ground matrix section, the coming year relies on underground root system energy self-growth, without the rice varieties of rice transplanting repeatedly）Conventional rice
It is that China peasant, Planting household are easy to receive, stabilization of rice is always produced, reduces labor intensity, improve paddy quality safety, improves Oryza sativa L.
Benefit, it is ensured that the inevitable choice of grain security.
Content of the invention
It is an object of the invention to provide a kind of selection of disposable sowing long term growth rice paddy seed for many years, this
The bright selection for disclosing a kind of fragrant round-grained rice rice paddy seed of long term growth.
The selection of long term growth perfume round-grained rice rice paddy seed of the present invention, comprises the steps：
Step 1. plants nursery in more than 10 °C of temperature simultaneously with the japonica rice DL-5 and japonica rice LX-8 with fragrant open form gene；
Japonica rice Seedling be developed to four leaves wholeheartedly state when while transplant, per plant is transplanted in a single nest, transplant region and select leeward to have on the sunny side
The mud field that water source is ensured；
After two japonica rice that step 2. is sowed enter florescence, growth selection is healthy and strong, tillering ability is strong, the disease-free individual plant without worm,
Made maternal with DL-5, LX-8 makees male parent, when noon 12 is up to afternoon 1 between, routinely hybridization pollination mode, removes DL-5 grain husks
6 pieces of stamen in spending, the pollen of LX-8 is invested in the clever shell of DL-5, sexual hybridization is carried out；
The kind first that step 3. hybridization is obtained is planted, and obtains second generation seed；
Step 4. is planted with second generation seed and the seed for obtaining is screened, and selects that grain is savory and the coming year can regenerate
Ripe grain is planted again as seed；
Step 5. repeat step 4 at least 5 times, obtains the long term growth perfume round-grained rice rice paddy seed.
Preferably, in Sichuan, suitably the region of Rice Cropping is carried out step 1-5 inside the province.
Preferably, the seedling raising mannerses of the step 1 adopt plastic film.
Preferably, in the step 4, also include that to the screening process of seed the early stage to seed rice shoot is screened, screening ratio
Example is 1.5-2.5：1, early stage screening time is before shoot transplanting equipment.
Preferably, in the step 4, also include that to the screening process of seed rice shoot later stage screening screening ratio is 100：1,
Later stage screening time is after grain ear maturation.
Preferably, in the step 2, additionally use florescence control and adjust the Rice Flowering time.
Preferably, the fine day for being not less than 23 °C in temperature during pollination hybridization in the step 2 is carried out.
The rice varieties obtained using selection of the present invention, the kind rice root can be with winter dormancy, spring after tested
Season sprout growth, autumn harvests Oryza sativa L., is not destroying rice root and provide can be repeatedly long-term for many years under basic growth water condition
Growth at least more than 8 years, the rice varieties that obtain of the present invention exempt to broadcast, no-tillage, eliminate plough a field, seedling, fortune seedling, the work that transplants seedlings
Sequence, significantly alleviates the labor intensity of peasant, reduces the labor cost of rice production costs, particularly hilly area, so as to carry
The high economic benefit of Rice Production and peasant income.
Specific embodiment
Below the specific embodiment of the present invention is described in further detail.
The selection of a kind of long term growth perfume round-grained rice rice paddy seed of the present invention, it is characterised in that comprise the steps：
Step 1. plants nursery in more than 10 °C of temperature simultaneously with the japonica rice DL-5 and japonica rice LX-8 with fragrant open form gene；
Japonica rice Seedling be developed to four leaves wholeheartedly state when while transplant, per plant is transplanted in a single nest, transplant region and select leeward to have on the sunny side
The mud field that water source is ensured；
DL-5 is a kind of variation of the wild containing cold-resistant, well developed root system gene japonica rice, and LX-8 is the round-grained rice containing odor type gene
Rice varieties, the two seedling growth to four true leaves and a growing point（That is four leaves are wholeheartedly）During state, while transplanting, single nest size
Generally 5 cun X8 cun or so.
The nursery of japonica rice Seedling preferably using plastic film, uses sufficient base fertilizer, transplants when temperature is higher.
DL-5 is found from high quality japonica new varieties Henan No. 8 kinds of round-grained rice of Henan academy of agricultural sciences selection-breeding with Cold resistant genes
Natural variation strain, through cultivating the japonica rice variety that obtains of regeneration, LX-8 for the selection-breeding of Henan academy of agricultural sciences with odor type gene and
The white fragrant round-grained rice 986 of well developed root system.DL-5 and LX-8 are both at japonica rice, and cultivate generation in Henan, belong to Related species, transfer
Connect and be easy to successfully, make male parent with the LX-8 with odor type gene, as long as hybridizing successfully, just savory in generation kind, it is easier to
Identification, and the pedigree all along odor type selects offspring, therefore using LX-8 as male parent.
After two japonica rice that step 2. is sowed enter florescence, growth selection is healthy and strong, tillering ability is strong, disease-free without worm
Individual plant, is made maternal with DL-5, and LX-8 makees male parent, when noon 12 is up to afternoon 1 between, routinely hybridization pollination mode, removes
DL-5 grain husks spend in 6 pieces of stamen, the pollen of LX-8 is invested in the clever shell of DL-5, sexual hybridization is carried out；Can be adjusted using the florescence
Control technology, adjusts the Oryza sativa L. florescence, makes two kinds of Oryza sativa L. while blooming, be easy to carry out sexual hybridization in the two florescence most flower；Pollination
The time of hybridization is preferably carried out in the higher fine day of temperature, and temperature should be not less than 23 degrees Celsius.
The kind first that step 3. hybridization is obtained is planted, and obtains second generation seed；
Step 4. is planted with second generation seed and the seed for obtaining is screened, and selects that grain is savory and the coming year can regenerate
Ripe grain is planted again as seed；In step 4, before can carrying out to the individual plant that the plantation growth of second generation seed is obtained
Phase screens, and screening ratio is controlled in 1.5-2.5：Between 1, to reduce later stage nurse workload, after grain ear maturation, grain is selected
The individual plant that the savory and coming year can regenerate, particularly proper height, resistance are preferable, high and stable yield, good grain quality, good palatability
Could be used as seed, the later stage ratio of screening be generally 100：1.
Step 5. repeat step 4 at least 5 times, obtains the long term growth perfume round-grained rice rice paddy seed.
Specific embodiment：
The present embodiment selects to implement in Sichuan Province Danling County, and Danling County is located in landforms based on shallow mound, is typical Duo Qiu areas,
Physical features is southeastward inclined by northwest.Category subtropical humid zone monsoon climate, the four seasons are gentle, and the winter, the summer was without heat, annual without severe cold
16.6 DEG C of temperature, 315 days frost-free periods, sunshine 1140 hours, 1233 millimeters of annual precipitation are suitable for Rice Cropping.
The leeward mud field for having water source to ensure on the sunny side is selected in Sichuan Province Danling County Pingba area, will be containing cold-resistant, well developed root system
Used as female parent, in more than 12 °C of temperature, plastic film uses sufficient base fertilizer to the wild variation japonica rice DL-5 of gene；Four leaves are wholeheartedly
When transplant, by 5 × 8 cun of specification, per one plant of nest；Japonica rice LX-8 with fragrant open form gene, management and plant side are sowed simultaneously
Method is identical.
After two Oryza sativa L. that sows enter florescence, growth selection is healthy and strong, tillering ability is strong, the disease-free individual plant without worm, uses
DL-5 makees maternal, and LX-8 makees male parent, when noon 12 is up to afternoon 1 between, routinely hybridization pollination mode, removes DL-5 grain husk flowers
In 6 pieces of stamen, the pollen of LX-8 is invested in the clever shell of DL-5, sexual hybridization is carried out.
5 produced by hybridization were planted first in 2005 and harvested in field complete ripeness, receive to obtain 68 fringe of tassel altogether, then from often
50 high seeds of Maturity are taken on one fringe, are harvested 3400 seeds altogether and are planted for the coming year.
2006, after sowing 3400 seeds, the rice shoot that only have selected robust growth during transplanting was sequentially planted for 2000 plants totally
Plant in field.Number respectively, after the man power single stem rice maturation of violent segregation, select paddy（Rice）The dulcet individual plant of grain, and the coming year
The individual plant that can be regenerated, proper height, resistance preferably, high and stable yield, good grain quality, good palatability could be as seed, altogether
20 plants of high-quality individual plant is selected to obtain, then seed is mixed and is dried storage.
Hereafter by the above-mentioned method for being adopted for 2006, Systematic selection is continuously repeated to 2013, just chosen stable
Once sow perennation odor type japonica rice rice paddy seed.
Following table is that the rice paddy seed obtained using said method was planted in 2013 to 2015 years in the water of Sichuan Province Danling County
Rice per mu yield.
The rice varieties obtained using selection of the present invention, the kind rice root can be with winter dormancy, spring after tested
Season sprout growth, autumn harvests Oryza sativa L., is not destroying rice root and provide can be repeatedly long-term for many years under basic growth water condition
Growth at least more than 8 years, the rice varieties that obtain of the present invention exempt to broadcast, no-tillage, eliminate plough a field, seedling, fortune seedling, the work that transplants seedlings
Sequence, significantly alleviates the labor intensity of peasant, reduces the labor cost of rice production costs, particularly hilly area, so as to carry
The high economic benefit of Rice Production and peasant income.
Previously described each preferred embodiment for the present invention, if the preferred implementation in each preferred embodiment
It is not substantially contradictory or premised on a certain preferred implementation, each preferred implementation can any stack combinations
Use, the design parameter in the embodiment and embodiment merely to clearly state inventor invention proof procedure, and
The scope of patent protection for limiting the present invention is not used to, the scope of patent protection of the present invention is still defined by its claims, all
It is the equivalent structure change that is made with description of the invention, is should be included in protection scope of the present invention in the same manner.
Claims (7)
1. the selection of a kind of long term growth perfume round-grained rice rice paddy seed, it is characterised in that comprise the steps：
Step 1. plants nursery in more than 10 °C of temperature simultaneously with the japonica rice DL-5 and japonica rice LX-8 with fragrant open form gene；
Japonica rice Seedling be developed to four leaves wholeheartedly state when while transplant, per plant is transplanted in a single nest, transplant region and select leeward to have on the sunny side
The mud field that water source is ensured；
After two japonica rice that step 2. is sowed enter florescence, growth selection is healthy and strong, tillering ability is strong, the disease-free individual plant without worm,
Made maternal with DL-5, LX-8 makees male parent, when noon 12 is up to afternoon 1 between, routinely hybridization pollination mode, removes DL-5 grain husks
6 pieces of stamen in spending, the pollen of LX-8 is invested in the clever shell of DL-5, sexual hybridization is carried out；
The kind first that step 3. hybridization is obtained is planted, and obtains second generation seed；
Step 4. is planted with second generation seed and the seed for obtaining is screened, and selects that grain is savory and the coming year can regenerate
Ripe grain is planted again as seed；
Step 5. repeat step 4 at least 5 times, obtains the long term growth perfume round-grained rice rice paddy seed.
2. selection as claimed in claim 1, it is characterised in that step 1-5 is in Sichuan suitable Rice Cropping inside the province
Region carry out.
3. selection as claimed in claim 1, it is characterised in that the seedling raising mannerses of the step 1 adopt plastic film.
4. selection as claimed in claim 1, it is characterised in that in the step 4, it is right that the screening process of seed is also included
The early stage screening of seed rice shoot, screening ratio is 1.5-2.5：1, early stage screening time is before shoot transplanting equipment.
5. selection as claimed in claim 1, it is characterised in that in the step 4, the screening process of seed rice shoot is also wrapped
It is 100 to include later stage screening screening ratio：1, later stage screening time is after grain ear maturation.
6. selection as claimed in claim 1, it is characterised in that in the step 2, additionally uses florescence control and adjusts Oryza sativa L.
Flowering time.
7. selection as claimed in claim 1, it is characterised in that be not less than 23 ° in temperature during pollination hybridization in the step 2
The fine day of C is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988515.6A CN106489722A (en) | 2016-11-10 | 2016-11-10 | A kind of selection of long term growth perfume round-grained rice rice paddy seed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988515.6A CN106489722A (en) | 2016-11-10 | 2016-11-10 | A kind of selection of long term growth perfume round-grained rice rice paddy seed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106489722A true CN106489722A (en) | 2017-03-15 |
Family
ID=58323796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610988515.6A Pending CN106489722A (en) | 2016-11-10 | 2016-11-10 | A kind of selection of long term growth perfume round-grained rice rice paddy seed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106489722A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999312A (en) * | 2010-09-16 | 2011-04-06 | 江西省农业科学院水稻研究所 | Perennial rice naturally wintering rice stump and method for identifying viability thereof |
| CN103782857A (en) * | 2014-01-23 | 2014-05-14 | 胡代书 | Cultivating method and seedling planting method of cross-year regrowing rice seeds |
| US20160157452A1 (en) * | 2014-12-05 | 2016-06-09 | Ricetec, Inc. | Rice hybrid hr140004 |
-
2016
- 2016-11-10 CN CN201610988515.6A patent/CN106489722A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999312A (en) * | 2010-09-16 | 2011-04-06 | 江西省农业科学院水稻研究所 | Perennial rice naturally wintering rice stump and method for identifying viability thereof |
| CN103782857A (en) * | 2014-01-23 | 2014-05-14 | 胡代书 | Cultivating method and seedling planting method of cross-year regrowing rice seeds |
| US20160157452A1 (en) * | 2014-12-05 | 2016-06-09 | Ricetec, Inc. | Rice hybrid hr140004 |
Non-Patent Citations (1)
| Title |
|---|
| 刘兰芳等: "白香粳新品种__古榆香系列特征特性及应用", 《内蒙古农业科技》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103070001A (en) | Method for safely planting okra at high yield and high quality | |
| CN106900346B (en) | Edible sweet potato simple root vine seedling raising method | |
| WO2015109880A1 (en) | Method for cultivating overyear regrowing rice seeds and seedling growing and planting method | |
| CN103371099A (en) | Good-quality and high-yield seed production technique of muskmelon | |
| CN108782091B (en) | Method for improving seed reproduction yield of asparagus bean in south China | |
| CN109618911A (en) | A kind of winter wheat strange land of simple and effective low cost adds for breeding method | |
| CN104542254B (en) | Cross breeding method for facilitating blooming of cassava in subtropical areas | |
| CN104137769B (en) | A kind of wild cabbage utilizes the method for the DH system disease-resistant new quality variety of seed selection | |
| CN105379615A (en) | Wheat blue and abortive sterile germplasm and breeding method thereof | |
| Adigbo et al. | Ratooned lowland NERICA rice varieties as an option for triple cropping in inland valleys of derived savannah in Nigeria | |
| CN102835306A (en) | Breeding method for early-maturing hybrid broccoli in additive selection | |
| CN112205228A (en) | Cultivation method for artificially promoting natural renewal of litsea cubeba | |
| CN105248070B (en) | A kind of breeding method of across Winter-Spring cabbage, summer Lettuce and autumn sulphur chrysanthemum | |
| K’opondo et al. | A review on the seed production and handling of indigenous vegetables (Spider plant, Jute mallow, and African nightshade complex) | |
| CN106034756A (en) | Breeding method of mangifera indica mutants based on whole irradiation of grafted seedlings | |
| CN110432094A (en) | The breeding method of rotten suboutput is improved under the conditions of a kind of short-day | |
| CN114097600B (en) | Breeding method of high-yield and strong-disease-resistance round cabbage | |
| Saxena et al. | Challenges and opportunities of breeding early maturing pigeonpea hybrids | |
| CN105027903A (en) | Interplanting method for red peppers and corn | |
| CN105284590B (en) | The breeding method of precocity shape sponge gourd with a tight waist | |
| CN104885910A (en) | High-yield hybrid maize seed production method | |
| Jat et al. | Hybrid seed production of bitter gourd is a remunerative venture | |
| CN106665365A (en) | Novel thermal-resistant japonica rice breeding method | |
| CN103651105B (en) | A kind of breeding method of special cowpea variety for insect-proof screen | |
| CN107864851B (en) | Method for solving photosensitive inbred line of corn in southwest mountainous area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |
|
| RJ01 | Rejection of invention patent application after publication |