CN102715081A - Efficient selecting method for rice palatability breeding progenies - Google Patents
Efficient selecting method for rice palatability breeding progenies Download PDFInfo
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- CN102715081A CN102715081A CN2012102342714A CN201210234271A CN102715081A CN 102715081 A CN102715081 A CN 102715081A CN 2012102342714 A CN2012102342714 A CN 2012102342714A CN 201210234271 A CN201210234271 A CN 201210234271A CN 102715081 A CN102715081 A CN 102715081A
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Abstract
An efficient selecting method for rice palatability breeding progenies belongs to the technical field of plant breeding. The method aims at improving the rice palatability level, and combines comprehensive utilization methods of collection, screening, planting, field agronomic characters survey and interior test of rice palatability germplasm resources, and as well as application of advanced instruments to conduct physicochemical index analysis to parent materials and the like, thus improving the palatability breeding pertinence; the advanced analysis instrument is used for matching parent materials and selecting different generations of materials, breeding of high-quality palatability japonica rice is conducted by combining off-season breeding and taste appraisal, thus improving the palatability breeding selection efficiency and accuracy.
Description
Technical field
The invention belongs to field of plant variety breeding technology, specifically belong to the paddy rice hybrid offspring and carry out food flavor characteristic choice method.
Background technology
Paddy rice is one of most important cereal crop, and about in the world 40% population is originated as staple food with paddy rice.The Along with people's growth in the living standard; Now, the consumer begins to develop to the direction of " fewer but better " to the demand of staple food rice, is just presenting the trend that is changed to " quality food flavor type " by " scalar type "; Compare with external fine quality rice market; The food flavor level of China japonica rice also has sizable gap at present, has influenced international competitiveness.Simultaneously, exist high-quality food flavor rice kind deficient, lack corresponding match technology means, the industrialization system is not built entirely, is difficult to form stable some urgent problems such as market.Research shows, influencing in the middle of many factors of rice taste, and the hereditary capacity of kind most importantly, that is, seed selection high-quality food flavor kind is the key point that solves China's rice quality food flavor.The chemical factors that influences rice taste comprises: protein content, amylose content, starch viscosity characteristic and rice hardness/ratio of viscosities etc.
In Japan, rice breeding has experienced output (high yield), quality (high-quality) and food flavor (food flavor is excellent) breeding three phases.Present stage, the paddy rice improved seeds comprise that good exterior quality, good food flavor and other satisfy the rice varieties of specialty goods demand.
China does not have the integrated use analytical instrument that parent material, filial generation material are carried out directed select and south numerous added-generation combines and carries out the document and the patent of the seed selection of high-quality food flavor japonica rice variety as yet; And in the existing rice varieties, do not see that also the kind that amylose content is low, protein content is low and high viscosity Senior Three characteristic possesses is simultaneously arranged.
Summary of the invention
The present invention seeks to propose a kind of rice taste breeding offspring that can obtain quality food flavor type kind and efficiently select method,, select that amylose content is low, protein content is low and the high kind of high viscosity to improve the efficient of rice taste breeding.
The present invention includes following steps:
1) screening article are of fine quality, the food flavor characteristic is good parental rice material is hybridized combo, obtains F1, F2, F3 for material, and wherein, F1 and F2 generation only add for not selecting, and F3 is for carrying out ear selection;
2) local in plantation, F4 is for carrying out extensive head progeny row plantation, and the good head progeny row material of screening economical character carries out amylose content, protein content determination, filters out the two low head progeny row materials of two kinds of compositions, reserves seed for planting;
3) local in above-mentioned plantation, F5 filters out the material that amylose content is low and protein content is low for carrying out amylose content, protein content determination, reserves seed for planting;
4) local in above-mentioned plantation, F6 is for preferably reserving seed for planting according to food flavor characteristic and determination of yield result;
5) local in above-mentioned plantation, F7 is for preferably reserving seed for planting according to food flavor characteristic, determination of yield result and sensory evaluation result;
6) local in above-mentioned plantation, F8, F9 taste for the physico-chemical analysis that carries out the food flavor characteristic, exterior quality mensuration, determination of yield and food flavor and identify, choose the good material of food flavor and get into regional test, or the strain that food flavor is good is reserved seed for planting.
The present invention is a target to improve the rice taste level; Parent material is carried out method of comprehensive utilization such as physical and chemical index analysis in conjunction with the collection of rice taste germ plasm resource, screening, plantation, the investigation of field economical character, indoor species test and uses advanced instrument and equipment, improved food flavor breeding ground specific aim; Be used for the apolegamy of parent material and the choice of different generations material to advanced analytical instrument; And carry out the seed selection of high-quality food flavor japonica rice variety with taste identifying to combine with south numerous added-generation; Be a new approach efficiently, improved the choice efficient and the accuracy rate of food flavor breeding.
In order to quicken breeding process, basis is bright plants method for planting at said F1, F2, F3 for employing south numerous added-generation group.
Characteristics of the present invention:
1, uses the method for instrument assisting sifting paddy rice cross breeding progeny material;
2, the method for south numerous added-generation is provided;
3, sensory evaluation is combined with Instrument measuring, improve the offspring and select efficient.
Superior effect of the present invention:
1, the application of advanced analytical instrument is measured the rice breeding parent material, have determination data reliable and as a result repeatability good, do not receive that subjective factor influences, characteristics conveniently.Quick and the quantifiable food flavor detection appraisement system that set up to be fit to japonica rice for the evaluation and the material screening of japonica rice variety food flavor provides scientific and reliable detection technique means, can improve the breeding for quality level of japonica rice flavour rice greatly.
2, for shortening the breeding cycle, reduce manpower, material resources and financial resources, at F1, F2, F3 for adopting the south numerous added-generation method.In order to adapt to from now on the local condition of plantation, in 8 generations of F4 to F, all must carry out in same locality.
3, the instrumental method of physicochemical property combines with the south numerous added-generation method of breeding, can analyze selection to material fast and accurately, and the method can be promoted in each research unit, makes things convenient for breeding research unit that material is selected fast, utilized.
Embodiment
One, the breeding process in " No. 1, river, Tianjin ":
F1: in Tianjin, get CJ-8 and Tianjin rice 779 and hybridize, remove false assorted strain, mix and have kind in one's care as the parent.
F2: in Hainan Province, plant 500 caves, 4-5 seedling/cave mixed and had kind in one's care.
F3: in Hainan Province, plant 500 caves, 4-5 seedling/cave got 300 single fringes and reserved seed for planting.
The present invention carries out the south numerous added-generation breeding in F1, F2, F3 generation by the characteristics that Chinese Hainan Province winter temperature is high.
Annotate: the south numerous added-generation method is the known technology of this area.Be meant and utilize the plantation that winter, warm weather conditions carried out in south, or adopt greenhouse control to add the kind method for planting in generation in the north.
F4: in Tianjin, head progeny row plantation, every fringe kind 10 caves, individual plant rice transplanting; (comprising: at heading stage, in the maturing stage, plant height is tillered according to economical character; The leaf look) screens 200 head progeny rows of reservation, carry out amylose content and protein content determination, filter out 100 two low head progeny rows, mix to receive and plant.Amylose content 15.0～16.5%; Protein content 7～9.5%.
F5: plant in Tianjin, filter out 70 fringes systems, filter out 50 two low fringes systems through protein content determination, amylose content determination again and mix and receive kind according to output and disease resistance.
50 selected kinds have following characteristic: amylose content 15.0～16.5%; Protein content 7～9.5%.
F6: plant in Tianjin, 50 are selected in systems' plantation, and each system carries out determination of yield, amylose content determination, protein content determination, starch viscosity mensuration, rice physical characteristic mensuration, definite 5 of the systems that are selected in of sensory evaluation.
5 selected kinds have following characteristic: amylose content 15.0～16.5%; Protein content 7～9.5%; Disintegration value>=70RVU; Subdue value≤30RVU; H/-H>=0.15.
F7: plant in Tianjin, the plantation of 5 selected systems, 5 systems carry out determination of yield, amylose content determination, protein content determination, starch viscosity mensuration, rice physical characteristic mensuration, definite 2 of the systems that are selected in of sensory evaluation.
2 selected kinds have following characteristic: amylose content 15.0～16.5%; Protein content 7～9.5%; Disintegration value>=70RVU; Subdue value≤30RVU; H/-H>=0.15.
F8: plant in Tianjin, 2 selected systems participate in district's examination, carry out that determination of yield, amylose content determination, protein content determination, starch viscosity are measured, the rice physical characteristic is measured, selected strains is confirmed in sensory evaluation.
Choose and have following characteristic kind and receive kind: amylose content 15.0～16.5%; Protein content 7～9.5%; Disintegration value>=70RVU; Subdue value≤30RVU; H/-H>=0.15.
F9: plant in Tianjin, carry out production test.
Have following characteristic through determination of yield, amylose content determination, protein content determination, starch viscosity mensuration, rice physical characteristic mensuration, sensory evaluation authorization new varieties:
Amylose content 16.0%; Protein content 8.4%; Disintegration value>=75RVU; Subdue value≤16RVU; H/-H>=0.15.
So far, be suitable for planting in " No. 1, the river, Tianjin " of region, Tianjin breeding through preferred the acquisition.
Two, " No. 1, the river, Tianjin " of seed selection in December, 2005 through Tianjin variety certification committee authorization (authorization number: 2005002), each item physical and chemical indexes in " No. 1, river, Tianjin " is following:
Amylose content 16.00%;
Protein content 8.4;
Starch viscosity characteristic: high viscosity 227RVU; MV minium viscosity: 152RVU; Final viscosity 243RVU;
Disintegration value 75RVU;
Subdue value 16RVU;
Rice physical characteristic H/-H: 0.18.
Claims (2)
1. rice taste breeding offspring's efficient choice method is characterized in that may further comprise the steps:
1) screening article are of fine quality, the food flavor characteristic is good parental rice material is hybridized combo, obtains F1, F2, F3 for material, and wherein, F1 and F2 generation only add for not selecting, and F3 is for carrying out ear selection;
2) local in plantation, for carrying out the head progeny row implant mass, the good head progeny row material of screening economical character carries out amylose content, protein content determination with F4, filters out two low head progeny row materials, reserves seed for planting;
3) local in above-mentioned plantation, F5 filters out the material that amylose content is low and protein content is low for carrying out amylose content, protein content determination, reserves seed for planting;
4) local in above-mentioned plantation, F6 is for preferably reserving seed for planting according to food flavor physicochemical property and determination of yield result;
5) local in above-mentioned plantation, F7 preferably reserves seed for planting for tasting qualification result according to food flavor physicochemical property, determination of yield result and food flavor;
6) local in above-mentioned plantation, F8, F9 are for carrying out food flavor physicochemical property, determination of yield, food flavor trial test evaluation, and the strain that the chosen area result of the test is good is reserved seed for planting.
2. according to the said rice taste breeding of claim 1 offspring's efficient choice method, it is characterized in that said F1, F2, F3 are for adopting the south numerous added-generation method.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105104174A (en) * | 2015-09-18 | 2015-12-02 | 江苏丘陵地区镇江农业科学研究所 | Cultivation method for high-yield japonica rice variety with good taste |
| CN107624569A (en) * | 2017-08-28 | 2018-01-26 | 沈阳裕赓种业有限公司 | Utilize method of the nitrogen paddy than screening Taste quality and the double high japonica rice varieties of protein content |
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2012
- 2012-07-09 CN CN2012102342714A patent/CN102715081A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105104174A (en) * | 2015-09-18 | 2015-12-02 | 江苏丘陵地区镇江农业科学研究所 | Cultivation method for high-yield japonica rice variety with good taste |
| CN107624569A (en) * | 2017-08-28 | 2018-01-26 | 沈阳裕赓种业有限公司 | Utilize method of the nitrogen paddy than screening Taste quality and the double high japonica rice varieties of protein content |
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Application publication date: 20121010 |