CN104642103B - A kind of selection of rice flour special rice - Google Patents
A kind of selection of rice flour special rice Download PDFInfo
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- CN104642103B CN104642103B CN201510108218.3A CN201510108218A CN104642103B CN 104642103 B CN104642103 B CN 104642103B CN 201510108218 A CN201510108218 A CN 201510108218A CN 104642103 B CN104642103 B CN 104642103B
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 123
- 241000209094 Oryza Species 0.000 title claims abstract description 119
- 235000009566 rice Nutrition 0.000 title claims abstract description 119
- 235000013312 flour Nutrition 0.000 title claims abstract description 24
- 230000000306 recurrent effect Effects 0.000 claims abstract description 42
- 229920000856 Amylose Polymers 0.000 claims abstract description 40
- 230000002028 premature Effects 0.000 claims abstract description 23
- 238000012216 screening Methods 0.000 claims abstract description 22
- 230000009758 senescence Effects 0.000 claims abstract description 21
- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 10
- 241000196324 Embryophyta Species 0.000 claims description 70
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 39
- 230000035784 germination Effects 0.000 claims description 21
- 230000032683 aging Effects 0.000 claims description 20
- 230000035800 maturation Effects 0.000 claims description 20
- 238000009331 sowing Methods 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 19
- 238000009396 hybridization Methods 0.000 claims description 15
- 239000010902 straw Substances 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 235000019082 Osmanthus Nutrition 0.000 claims 1
- 241000333181 Osmanthus Species 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 12
- 238000009395 breeding Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 229920001685 Amylomaize Polymers 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 235000012149 noodles Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 240000002582 Oryza sativa Indica Group Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 235000021404 traditional food Nutrition 0.000 description 1
- 230000001228 trophic effect Effects 0.000 description 1
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Abstract
The invention discloses the selection of a kind of rice flour special rice, belong to Special Rices breeding technical field.The upper popularizing area of selection production is relatively big, yield is high and quality better rice varieties makes recurrent parent, make objective trait with the rice varieties of premature senescence resistance, storage endurance, Fu Tie and high amylose starches and parent is provided, by hybridizing, reestablish diplomatic relations and Backcross introgression method and the evaluation and screening to objective trait, select economical character and yield and recurrent parent is close, and there is the special rice kind being suitable for processing ourishing rice flour of high amylose content, Fu Tie, premature senescence resistance, storage endurance simultaneously.
Description
Technical field
Present invention relates particularly to the selection of a kind of rice flour special rice, belong to special rice breeding technical field.
Background technology
Rice flour has another name called rice noodle, is China's traditional food with long history, and it is liked by broad masses with soft tasty and refreshing, instant.But, raw material is had certain requirement by the processing of rice flour, not all rice is suitable for making rice flour, edible rice major requirement amylose content is moderate, head rice rate is high, and outward appearance is sparkling and crystal-clear bright, and food flavor is good, rice flour processing does not need to be particular about outward appearance, and the kind utilizing amylose content of a relatively high makes noodle rice.Annual about 1,000,000 tons of the rice for rice flour processing in China mainland area, accounts for about 1/3rd of food processing rice total amount.The selection-breeding of noodle rice and exploitation are to realize the value-added premise of Rice producing.In recent years, the alimentary health-care function of rice is more and more subject to the attention of consumer, some special rices because of its be of high nutritive value, mouthfeel is good, have uniqueness health-care effect and popular with consumers again.Iron-rich rice, rich in needed by human body trace elements iron, has effect of blood yiqi, is liked by numerous people.Rice premature refers to that the physiological function at the positions such as late growth stage of rice stem and leaf occurs the phenomenon of decline too early, and senilism has a strong impact on the photosynthesis of stem and leaf, causes yield to decline.Senilism is caused by the characteristic of environment and kind, and the key factor restricting Indica Rice output increased at present is exactly the senilism phenomenon of late growth stage of rice, often extends 1 day at rice maturity functional leaf and carries out photosynthesis, can increase by the yield of about 1%.Solve the rice varieties that rice premature problem the best way is exactly selection-breeding premature senescence resistance.The shoddy change of rice in rice storage process, germination percentage decline and are always up a difficult problem of puzzlement production, accumulating and operating division, thereby result in annual China foodstuff preservation and lose nearly 5,000,000,000 kilograms.Rice paddy seed also causes huge economic loss because vigor declines in storage, and also can affect the upgrowth situation of percentage of seedgermination and seedling.Cultivate storage endurance new rice variety, have important practical significance for solving the problems such as rice Deterioration.
Pass through breeding technique, by current China popularizing area, rice varieties relatively big, that yield is high cultivates into the special rice kind being suitable for processing ourishing rice flour of premature senescence resistance, storage endurance, Fu Tie and high amylose starches, this extraordinary tailored version rice product has wide market prospect and Development volue, the economic benefits of its exploitation, popularizing planting is for improving the income of vast kind of rice peasant, trophic level for improving broad masses of the people all has great importance, and is conducive to the formation of China's rice NPD projects and industrial restructuring and adjustment simultaneously.
Summary of the invention
It is an object of the invention to provide the selection of a kind of rice flour special rice, select economical character and yield and recurrent parent is close, and there is the special rice kind being suitable for processing ourishing rice flour of high amylose content, Fu Tie, premature senescence resistance, storage endurance simultaneously.
For achieving the above object, the present invention adopts the following technical scheme that
1) with high-yield rice kind " Yanhui 559 ", " another name for Sichuan Province extensive 162 ", " Restorer line Yihui1577 " and " good spoke accounts for " for recurrent parent (R), parent is provided for objective trait with high amylose content Oryza sativa L.-osmanthus towards No. 13 (A), extensive 290 (B) of storage endurance rice varieties-cloud, iron-rich rice kind-IR164 (C) and premature senescence resistance rice varieties-Long round-grained rice 62 (D), make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-AB、F1-CD represents；
2) plantation F1-AB、F1-CD seed, makes hybridization F florescence1-AB/F1-CD, must reestablish diplomatic relations F1In generation, with F1-ABCD represents, plants F1-ABCD, sowing obtains F2-ABCD；
3) plantation 2) gained F2-ABCD, colony's 800-1000 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence is not gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, artificial accelerated aging processing method is: dried 6 days through-18 DEG C of refrigerator freezings 12 days and 44 DEG C of baking oven by seed, again temperature 42 DEG C, humidity 88% growth cabinet in carry out artificial accelerated aging 22d, taking out seed and carry out germination test, the screening germination percentage individual plant higher than 76% enters (F of future generation3-ABCD) plantation；
4) step 3) is repeated until F5In generation, obtains F5-ABCD, plants F5-ABCD and recurrent parent R, selects individual plant 5 strain that economical character is similar to recurrent parent R, loose powder of blooming character is good to make hybridization R/F florescence5-ABCD, must hybridize F1In generation, with F1-R represents, plants F1-R, sowing obtains F2-R；
5) plantation 4) gained F2-R, colony's 800-1000 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence not being gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, after burin-in process, measure the germination percentage of Aged Seeds, screening retains the germination percentage individual plant (F higher than 76%3-R)；
6) plantation 5) gained F3-R and recurrent parent R, selects economical character and recurrent parent R is close and loose powder character of blooming is good individual plant 5 strain and recurrent parent R to backcross to obtain BC florescence1F1Seed, plants BC1F1In generation, after maturation, sowing obtains BC1F2Seed；
7) repeat step 5), 6) until backcrossing BC5F2In generation, plant BC5F2Generation, the individual plant 3-5 strain sowing that period of maturation selection rice straw is sturdy, blade keeps green not senilism and economical character and yield and recurrent parent R is close, namely it is bred as the rice flour special rice varieties with premature senescence resistance, storage endurance, high amylose content, Fu Tie.
The beneficial effects of the present invention is: control respectively premature senescence resistance, storage endurance, high amylose content, rich ferrum character gene by hybridizing, reestablish diplomatic relations and Backcross introgression method and the evaluation and screening to objective trait, select economical character and yield and recurrent parent is close, and there is the special rice kind being suitable for processing ourishing rice flour of high amylose content, Fu Tie, premature senescence resistance, storage endurance simultaneously.The kind high yield of the method selection-breeding, storage endurance and rich in trace elements iron, the rice flour nutrition utilizing this kind of Rice producing is high, and often food can improve health, and has good health care, so its price is higher, the income of processing enterprise and plantation peasant household is also higher.
Detailed description of the invention
Embodiment 1:
1) with high-yield rice kind " Yanhui 559 " for recurrent parent (R), parent is provided for objective trait with high amylose content Oryza sativa L.-osmanthus towards No. 13 (A), extensive 290 (B) of storage endurance rice varieties-cloud, iron-rich rice kind-IR164 (C) and premature senescence resistance rice varieties-Long round-grained rice 62 (D), make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-AB、F1-CD represents；
2) plantation F1-AB、F1-CD seed, makes hybridization F florescence1-AB/F1-CD, must reestablish diplomatic relations F1In generation, with F1-ABCD represents, plants F1-ABCD, sowing obtains F2-ABCD；
3) plantation 2) gained F2-ABCD, colony 800 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence is not gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, artificial accelerated aging processing method is: dried 6 days through-18 DEG C of refrigerator freezings 12 days and 44 DEG C of baking oven by seed, again temperature 42 DEG C, humidity 88% growth cabinet in carry out artificial accelerated aging 22d, taking out seed and carry out germination test, the screening germination percentage individual plant higher than 76% enters (F of future generation3-ABCD) plantation；
4) step 3) is repeated until F5In generation, obtains F5-ABCD, plants F5-ABCD and recurrent parent R, selects individual plant 5 strain that economical character is similar to recurrent parent R, loose powder of blooming character is good to make hybridization R/F florescence5-ABCD, must hybridize F1In generation, with F1-R represents, plants F1-R, sowing obtains F2-R；
5) plantation 4) gained F2-R, colony 800 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence not being gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, after burin-in process, measure the germination percentage of Aged Seeds, screening retains the germination percentage individual plant (F higher than 76%3-R)；
6) plantation 5) gained F3-R and recurrent parent R, selects economical character and recurrent parent R is close and loose powder character of blooming is good individual plant 5 strain and recurrent parent R to backcross to obtain BC florescence1F1Seed, plants BC1F1In generation, after maturation, sowing obtains BC1F2Seed；
7) repeat step 5), 6) until backcrossing BC5F2In generation, plant BC5F2Generation, the individual plant 3-5 strain sowing that period of maturation selection rice straw is sturdy, blade keeps green not senilism and economical character and yield and recurrent parent R is close, is namely bred as the rice flour special rice varieties " special 559 " with premature senescence resistance, storage endurance, high amylose content, Fu Tie.
" special 559 " economical character is close with recurrent parent " Yanhui 559 ", owing to its yield ratio " Yanhui 559 " of premature senescence resistance increases production about 5%, and amylose content 26.8%, iron-holder 27.6mg kg-1, shelf time extend 6 months, be suitable for processing ourishing rice flour." special 559 " rice price is 1.5 times than " Yanhui 559 ", and every mu of peasant household can increase income about 500 yuan.
Embodiment 2:
1) with high-yield rice kind " Restorer line Yihui1577 " for recurrent parent (R), parent is provided for objective trait with high amylose content Oryza sativa L.-osmanthus towards No. 13 (A), extensive 290 (B) of storage endurance rice varieties-cloud, iron-rich rice kind-IR164 (C) and premature senescence resistance rice varieties-Long round-grained rice 62 (D), make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-AB、F1-CD represents；
2) plantation F1-AB、F1-CD seed, makes hybridization F florescence1-AB/F1-CD, must reestablish diplomatic relations F1In generation, with F1-ABCD represents, plants F1-ABCD, sowing obtains F2-ABCD；
3) plantation 2) gained F2-ABCD, colony 900 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence is not gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, old artificial accelerated aging processing method is: dried 6 days through-18 DEG C of refrigerator freezings 12 days and 44 DEG C of baking oven by seed, again temperature 42 DEG C, humidity 88% growth cabinet in carry out artificial accelerated aging 22d, taking out seed and carry out germination test, the screening germination percentage individual plant higher than 76% enters (F of future generation3-ABCD) plantation；
4) step 3) is repeated until F5In generation, obtains F5-ABCD, plants F5-ABCD and recurrent parent R, selects individual plant 5 strain that economical character is similar to recurrent parent R, loose powder of blooming character is good to make hybridization R/F florescence5-ABCD, must hybridize F1In generation, with F1-R represents, plants F1-R, sowing obtains F2-R；
5) plantation 4) gained F2-R, colony 900 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence not being gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, after burin-in process, measure the germination percentage of Aged Seeds, screening retains the germination percentage individual plant (F higher than 76%3-R)；
6) plantation 5) gained F3-R and recurrent parent R, selects economical character and recurrent parent R is close and loose powder character of blooming is good individual plant 5 strain and recurrent parent R to backcross to obtain BC florescence1F1Seed, plants BC1F1In generation, after maturation, sowing obtains BC1F2Seed；
7) repeat step 5), 6) until backcrossing BC5F2In generation, plant BC5F2Generation, the individual plant 3-5 strain sowing that period of maturation selection rice straw is sturdy, blade keeps green not senilism and economical character and yield and recurrent parent R is close, is namely bred as the rice flour special rice varieties " special 1577 " with premature senescence resistance, storage endurance, high amylose content, Fu Tie.
" special 1577 " economical character is close with recurrent parent " Restorer line Yihui1577 ", owing to its yield ratio " Restorer line Yihui1577 " of premature senescence resistance increases production about 6%, and amylose content 26.9%, iron-holder 28.8mg kg-1, shelf time extend 7 months, be suitable for processing ourishing rice flour." special 1577 " rice price is 1.5 times than " Restorer line Yihui1577 ", and every mu of peasant household can increase income about 550 yuan.
Embodiment 3:
1) with high-yield rice kind " good spoke accounts for " for recurrent parent (R), parent is provided for objective trait with high amylose content Oryza sativa L.-osmanthus towards No. 13 (A), extensive 290 (B) of storage endurance rice varieties-cloud, iron-rich rice kind-IR164 (C) and premature senescence resistance rice varieties-Long round-grained rice 62 (D), make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-AB、F1-CD represents；
2) plantation F1-AB、F1-CD seed, makes hybridization F florescence1-AB/F1-CD, must reestablish diplomatic relations F1In generation, with F1-ABCD represents, plants F1-ABCD, sowing obtains F2-ABCD；
3) plantation 2) gained F2-ABCD, colony 1000 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence is not gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, artificial accelerated aging processing method is: dried 6 days through-18 DEG C of refrigerator freezings 12 days and 44 DEG C of baking oven by seed, again temperature 42 DEG C, humidity 88% growth cabinet in carry out artificial accelerated aging 22d, taking out seed and carry out germination test, the screening germination percentage individual plant higher than 76% enters (F of future generation3-ABCD) plantation；
4) step 3) is repeated until F5In generation, obtains F5-ABCD, plants F5-ABCD and recurrent parent R, selects individual plant 5 strain that economical character is similar to recurrent parent R, loose powder of blooming character is good to make hybridization R/F florescence5-ABCD, must hybridize F1In generation, with F1-R represents, plants F1-R, sowing obtains F2-R；
5) plantation 4) gained F2-R, colony 1000 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence not being gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, after burin-in process, measure the germination percentage of Aged Seeds, screening retains the germination percentage individual plant (F higher than 76%3-R)；
6) plantation 5) gained F3-R and recurrent parent R, selects economical character and recurrent parent R is close and loose powder character of blooming is good individual plant 5 strain and recurrent parent R to backcross to obtain BC florescence1F1Seed, plants BC1F1In generation, after maturation, sowing obtains BC1F2Seed；
7) repeat step 5), 6) until backcrossing BC5F2In generation, plant BC5F2Generation, the individual plant 3-5 strain sowing that period of maturation selection rice straw is sturdy, blade keeps green not senilism and economical character and yield and recurrent parent R is close, is namely bred as the rice flour special rice varieties " special good spoke accounts for " with premature senescence resistance, storage endurance, high amylose content, Fu Tie.
" special good spoke accounts for " economical character is close with recurrent parent " good spoke accounts for ", owing to its yield ratio " good spoke accounts for " of premature senescence resistance increases production about 6.5%, and amylose content 27.2%, iron-holder 28.9mg kg-1, shelf time extend 7.3 months, be suitable for processing ourishing rice flour." special good spoke accounts for " rice price is 1.5 times than " good spoke accounts for ", and every mu of peasant household can increase income about 580 yuan.
The foregoing is only presently preferred embodiments of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of the present invention.
Claims (1)
1. the selection of a rice flour special rice, it is characterised in that specifically comprise the following steps that
1) provide parent with high amylose content rice varieties A, storage endurance rice varieties B, iron-rich rice kind C and premature senescence resistance rice varieties D for objective trait, make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-AB、F1-CD represents；
2) plantation F1-AB、F1-CD seed, makes hybridization F florescence1-AB/F1-CD, must reestablish diplomatic relations F1In generation, with F1-ABCD represents, plants F1-ABCD, sowing obtains F2-ABCD；
3) plantation F2-ABCD, colony's 800-1000 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence is not gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, artificial accelerated aging processing method is: dried 6 days through-18 DEG C of refrigerator freezings 12 days and 44 DEG C of baking oven by seed, again temperature 42 DEG C, humidity 88% growth cabinet in carry out artificial accelerated aging 22d, taking out seed and carry out germination test, the screening germination percentage individual plant higher than 76% enters next generation's plantation；
4) step 3) is repeated until F5In generation, obtains F5-ABCD, plants F5-ABCD and recurrent parent R, selects economical character florescence similar to recurrent parent R and hybridization R/F is made in individual plant 5 strain that loose powder character of blooming is good5-ABCD, must hybridize F1In generation, with F1-R represents, plants F1-R, sowing obtains F2-R；
5) plantation F2-R, colony's 800-1000 strain, the period of maturation selects rice straw individual plant sturdy, the green not senilism of blade maintenance gather in the crops seed and number, and every part of seed takes part and goes out rough mensuration amylose content and iron content, and screening reservation iron-holder is higher than 25mg kg-1And the individual plant that amylose content is higher than 26%, its correspondence not being gone out rough Some seeds and carries out hot and humid artificial accelerated aging process, after burin-in process, measure the germination percentage of Aged Seeds, screening retains the germination percentage individual plant F higher than 76%3-R；
6) plantation F3-R and recurrent parent R, selects economical character and recurrent parent R is close and loose powder character of blooming is good individual plant 5 strain and recurrent parent R to backcross to obtain BC florescence1F1Seed, plants BC1F1In generation, after maturation, sowing obtains BC1F2Seed；
7) repeat step 5), 6) until backcrossing BC5F2In generation, plant BC5F2Generation, the individual plant 3-5 strain sowing that period of maturation selection rice straw is sturdy, blade keeps green not senilism and economical character and yield and recurrent parent R is close, namely it is bred as the rice flour special rice varieties with premature senescence resistance, storage endurance, high amylose content, Fu Tie；
Described high amylose content rice varieties is " osmanthus is towards No. 13 ", storage endurance rice varieties, and to be " cloud extensive 290 ", iron-rich rice kind be " IR164 ", premature senescence resistance rice varieties is " grand round-grained rice 62 "；
Recurrent parent R is high-yield rice kind " Yanhui 559 ", " another name for Sichuan Province extensive 162 ", " Restorer line Yihui1577 " and " good spoke accounts for ".
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| CN104137764A (en) * | 2014-07-14 | 2014-11-12 | 福建农林大学 | Breeding method of three-line genic male sterile line of high-resistance glabrous yellow-leaf giant embryo rice |
| CN104137765A (en) * | 2014-07-14 | 2014-11-12 | 福建农林大学 | Breeding method of high-stress resistance elongated upper internode two-line genic male sterile line |
| CN104137766A (en) * | 2014-07-14 | 2014-11-12 | 福建农林大学 | Breeding method of special type giant embryo rice restorer |
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| CN104137764A (en) * | 2014-07-14 | 2014-11-12 | 福建农林大学 | Breeding method of three-line genic male sterile line of high-resistance glabrous yellow-leaf giant embryo rice |
| CN104137765A (en) * | 2014-07-14 | 2014-11-12 | 福建农林大学 | Breeding method of high-stress resistance elongated upper internode two-line genic male sterile line |
| CN104137766A (en) * | 2014-07-14 | 2014-11-12 | 福建农林大学 | Breeding method of special type giant embryo rice restorer |
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