CN104642100B - A kind of selection of the green soft rice rice of premature senescence resistance storage endurance - Google Patents
A kind of selection of the green soft rice rice of premature senescence resistance storage endurance Download PDFInfo
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- 241000209094 Oryza Species 0.000 title claims abstract description 117
- 238000003860 storage Methods 0.000 title claims abstract description 47
- 230000002028 premature Effects 0.000 title claims abstract description 39
- 230000009758 senescence Effects 0.000 title claims abstract description 36
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 91
- 235000009566 rice Nutrition 0.000 claims abstract description 83
- 229920000856 Amylose Polymers 0.000 claims abstract description 35
- 238000012216 screening Methods 0.000 claims abstract description 22
- 240000007594 Oryza sativa Species 0.000 claims abstract description 13
- 239000011573 trace mineral Substances 0.000 claims abstract description 9
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 9
- 239000011782 vitamin Substances 0.000 claims abstract description 8
- 229940088594 vitamin Drugs 0.000 claims abstract description 8
- 235000013343 vitamin Nutrition 0.000 claims abstract description 8
- 229930003231 vitamin Natural products 0.000 claims abstract description 8
- 150000003722 vitamin derivatives Chemical class 0.000 claims abstract description 8
- 230000000050 nutritive effect Effects 0.000 claims abstract description 7
- 239000000049 pigment Substances 0.000 claims abstract description 7
- 230000001256 tonic effect Effects 0.000 claims abstract description 7
- 238000009395 breeding Methods 0.000 claims abstract description 5
- 241000196324 Embryophyta Species 0.000 claims description 80
- 230000035784 germination Effects 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 29
- 230000032683 aging Effects 0.000 claims description 26
- 230000035800 maturation Effects 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 26
- 238000009331 sowing Methods 0.000 claims description 21
- 239000010902 straw Substances 0.000 claims description 20
- 235000021329 brown rice Nutrition 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 238000009396 hybridization Methods 0.000 claims description 15
- 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
- 239000000463 material Substances 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 238000011534 incubation Methods 0.000 abstract description 2
- 238000006116 polymerization reaction Methods 0.000 abstract description 2
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- 229940091258 selenium supplement Drugs 0.000 description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 230000029553 photosynthesis Effects 0.000 description 2
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- 239000011669 selenium Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 240000002582 Oryza sativa Indica Group Species 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The invention discloses the selection of the green soft rice rice of a kind of premature senescence resistance storage endurance, belong to Special Rices breeding technical field.The present invention selects 4 to be respectively provided with premature senescence resistance, storage endurance, green seed coat, the Special rice kind of low amylose is material, by hybridizing, reestablish diplomatic relations polymerization, and to segregating generation premature senescence resistance, storage endurance, green seed coat, low amylose, the mensuration of economical character and yield traits etc. and screening, incubation has premature senescence resistance, the soft rice rice varieties of green of storage endurance characteristic, this kind energy premature senescence resistance, later stage annesl is good, yield is high, seed and Oryza glutinosa storage endurance, rice is soft, mouthfeel is good, outward appearance light green, trace element and vitamin rich in full-natural nutritive pigment and a large amount of needed by human, edible have good tonic effect to human body.
Description
Technical field
Present invention relates particularly to the selection of the green soft rice rice of a kind of premature senescence resistance storage endurance, belong to Special rice breeding technical field.
Background technology
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 particularly withered and yellow to presenting stem and leaf during maturation after heading, the bending of vane tip canescence is dried-up, affects photosynthesis, 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, and the grain yield loss caused because of rice premature every year with regard to one, Jiangxi province reaches 10-15 hundred million kilograms.Often extend 1 day at rice maturity functional leaf and carry 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 China's foodstuff preservation loss average out to 3.05%, annual nearly 5,000,000,000 kilograms of grain of loss.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.Therefore, the storage property of Oryza glutinosa is by people's growing interest.Although China adopts the rotation regularly pushing away Chen Chuxin to update or by improving storage condition to delay the aging speed during rice storage, but these methods not only need to consume the substantial amounts of energy and material, and be not suitable in big peasant household and promote, therefore, cultivate storage endurance new rice variety, have important practical significance for solving the problems such as rice Deterioration.
Green rice is a kind of seed coat is green extraordinary rice, and its good grain quality, outward appearance is unique, and fragrant odour is nutritious.Particularly selenium content is high, additionally contains trace element and the vitamin of a large amount of needed by human, when cooking, cooking congee, adds a small amount of green rice, not only suffus an exquisite fragrance all around, fragrant soft agreeable to the taste, can reach again selenium supplement health care purpose simultaneously.The rice matter of soft rice a kind of superior rice between waxy and viscosity, amylose content is low, is typically in about 4%-8% the trace element containing the needed by human such as multivitamin and calcium, ferrum, zinc, selenium.Soft cooked rice grains is sparkling and crystal-clear, mouthfeel is fragrant soft sweet glutinous smooth, not hardening after cold does not bring back to life, and cooking, cooking gruel is all the excellent product of nourishing the stomach, is suitable to people of all ages healthy staple food.
Above 4 kinds of character are aggregated in same rice varieties, can be bred as not only high yield, storage endurance, and there is the soft rice rice of green seed coat, this rice nutrient composition content is high, outward appearance is good, mouthfeel is good, having wide market prospect and Development volue, its market price is higher than common rice about 3 times, and popularizing planting is for improving the income of vast kind of rice peasant, for improving the trophic level of broad masses of the people, improve health and all there is certain meaning.
Summary of the invention
It is an object of the invention to provide the selection of the green soft rice rice of a kind of premature senescence resistance storage endurance, utilize the method can select high yield, storage endurance, the soft rice rice varieties of green that nutrient composition content is high, outward appearance is good, mouthfeel is good.The present invention selects premature senescence resistance rice varieties " grand round-grained rice 62 ", storage endurance rice varieties " cloud extensive 290 ", green rice rice varieties " precious No. one of medium green ", soft rice rice varieties " dragon rice No. 1 " or " person of outstanding talent's wind " (Huang Qinggang, Qiu Zongen. introduce a high-quality softpanel rice variety. Crop Germplasm Resources, 1986, (01): 46-47) for material, by hybridizing, reestablish diplomatic relations polymerization, and to segregating generation premature senescence resistance, storage endurance, green seed coat, low amylose, the mensuration of economical character and yield traits etc. and screening, incubation has premature senescence resistance, the soft rice rice varieties of green of storage endurance characteristic, this kind energy premature senescence resistance, later stage annesl is good, yield is high, seed and Oryza glutinosa storage endurance, rice is soft, mouthfeel is good, trace element and vitamin rich in full-natural nutritive pigment and a large amount of needed by human, edible have good tonic effect to human body.
Technical scheme is as follows:
1) select premature senescence resistance rice varieties for " grand round-grained rice 62 " (A), storage endurance rice varieties is " cloud extensive 290 " (B), and green rice rice varieties is " precious No. one of medium green " (C), and soft rice rice varieties is " dragon rice No. 1 " or " person of outstanding talent's wind " (D), make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-ABAnd F1-CDRepresent；
2) plantation hybridization F1In generation, make hybridization F in florescence1-AB/F1-CD, period of maturation sowing must be reestablished diplomatic relations F1For seed, with F1-ABCDRepresent；
3) plantation F1-ABCDSeed, selfing sowing obtains F2-ABCD, plant F2-ABCD, colony's 1200-1500 strain, the period of maturation selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not senilism3-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried 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, artificial accelerated aging 22d is carried out in the growth cabinet of humidity 88%, take out seed and carry out germination test, the screening germination percentage individual plant higher than 75% enters next generation's plantation；
4) strain plantation 3) screen the F obtained3-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200-300 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent4-ABCD)；
5) strain plantation 4) F of gained4-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200-250 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent5-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carrying out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, measure the germination percentage of Aged Seeds after burin-in process, select the germination percentage individual plant 50 parts higher than 75% and enter next generation's plantation；
6) strain plantation 5) screen the F obtained5-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200 parts results seed (F therefrom selecting economical character, yield traits excellent6-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, the germination percentage of Aged Seeds is measured after burin-in process, select the germination percentage individual plant 5-8 strain higher than 75%, namely the green soft rice rice varieties of premature senescence resistance storage endurance it is bred as, this kind energy premature senescence resistance, later stage annesl is good, yield is high, seed and Oryza glutinosa storage endurance, rice is soft, mouthfeel is good, outward appearance light green, trace element and vitamin rich in full-natural nutritive pigment and a large amount of needed by human, edible have good tonic effect to human body.
The beneficial effects of the present invention is: utilize the method can respectively premature senescence resistance, storage endurance, green seed coat, the character of low amylose is by hybridizing, breeding method of reestablishing diplomatic relations is aggregated in same good rice varieties, it is bred as not only high yield, storage endurance, and there is the soft rice rice of green seed coat, this rice nutrient composition content is high, outward appearance is good, mouthfeel is good, there is wide market prospect and Development volue, its market price is higher than common rice about 3 times, popularizing planting is for improving the income of vast kind of rice peasant, for improving the trophic level of broad masses of the people, improve health and all have great importance.
Detailed description of the invention
Embodiment 1:
1) select premature senescence resistance rice varieties for " grand round-grained rice 62 " (A), storage endurance rice varieties is " cloud extensive 290 " (B), and green rice rice varieties is " precious No. one of medium green " (C), and soft rice rice varieties is " dragon rice No. 1 " (D), make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-ABAnd F1-CDRepresent；
2) plantation hybridization F1In generation, make hybridization F in florescence1-AB/F1-CD, period of maturation sowing must be reestablished diplomatic relations F1For seed, with F1-ABCDRepresent；
3) plantation F1-ABCDSeed, selfing sowing obtains F2-ABCD, plant F2-ABCD, colony 1200 strain, the period of maturation selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not senilism3-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried 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, artificial accelerated aging 22d is carried out in the growth cabinet of humidity 88%, take out seed and carry out germination test, the screening germination percentage individual plant higher than 75% enters next generation's plantation；
4) strain plantation 3) screen the F obtained3-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent4-ABCD)；
5) strain plantation 4) F of gained4-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent5-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carrying out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, measure the germination percentage of Aged Seeds after burin-in process, select the germination percentage individual plant 50 parts higher than 75% and enter next generation's plantation；
6) strain plantation 5) screen the F obtained5-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200 parts results seed (F therefrom selecting economical character, yield traits excellent6-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, and screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, measure the germination percentage of Aged Seeds after burin-in process, select germination percentage individual plant 5 strain higher than 75%, be namely bred as the green soft rice rice varieties of premature senescence resistance storage endurance.
The green soft rice rice varieties energy premature senescence resistance of this premature senescence resistance storage endurance, later stage annesl is good, yield is high, comparable general commercial variety volume increase about 5%, seed and Oryza glutinosa storage endurance, 5-8 month is extended than the common rice storage phase, rice is soft, mouthfeel good, outward appearance light green, rich in trace element and the vitamin of full-natural nutritive pigment and a large amount of needed by human, edible have good tonic effect to human body.
Embodiment 2:
1) selecting premature senescence resistance rice varieties for " grand round-grained rice 62 " (A), storage endurance rice varieties is " cloud extensive 290 " (B), and green rice rice varieties is " precious No. one of medium green " (C), and soft rice rice varieties is " person of outstanding talent's wind " (D), makes hybridization A/B and C/D, must hybridize F1In generation, respectively with F1-ABAnd F1-CDRepresent；
2) plantation hybridization F1In generation, make hybridization F in florescence1-AB/F1-CD, period of maturation sowing must be reestablished diplomatic relations F1For seed, with F1-ABCDRepresent；
3) plantation F1-ABCDSeed, selfing sowing obtains F2-ABCD, plant F2-ABCD, colony 1500 strain, the period of maturation selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not senilism3-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried 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, artificial accelerated aging 22d is carried out in the growth cabinet of humidity 88%, take out seed and carry out germination test, the screening germination percentage individual plant higher than 75% enters next generation's plantation；
4) strain plantation 3) screen the F obtained3-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 300 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent4-ABCD)；
5) strain plantation 4) F of gained4-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 250 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent5-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carrying out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, measure the germination percentage of Aged Seeds after burin-in process, select the germination percentage individual plant 50 parts higher than 75% and enter next generation's plantation；
6) strain plantation 5) screen the F obtained5-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200 parts results seed (F therefrom selecting economical character, yield traits excellent6-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, the germination percentage of Aged Seeds is measured after burin-in process, select the germination percentage individual plant 5-8 strain higher than 75%, be namely bred as the green soft rice rice varieties of premature senescence resistance storage endurance.
The green soft rice rice varieties energy premature senescence resistance of this premature senescence resistance storage endurance, later stage annesl is good, yield is high, comparable general commercial variety volume increase about 5%, seed and Oryza glutinosa storage endurance, 5-8 month is extended than the common rice storage phase, rice is soft, mouthfeel good, outward appearance light green, rich in trace element and the vitamin of full-natural nutritive pigment and a large amount of needed by human, edible have good tonic effect to human body.
Embodiment 3:
1) select premature senescence resistance rice varieties for " grand round-grained rice 62 " (A), storage endurance rice varieties is " cloud extensive 290 " (B), and green rice rice varieties is " precious No. one of medium green " (C), and soft rice rice varieties is " dragon rice No. 1 " (D), make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-ABAnd F1-CDRepresent；
2) plantation hybridization F1In generation, make hybridization F in florescence1-AB/F1-CD, period of maturation sowing must be reestablished diplomatic relations F1For seed, with F1-ABCDRepresent；
3) plantation F1-ABCDSeed, selfing sowing obtains F2-ABCD, plant F2-ABCD, colony 1400 strain, the period of maturation selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not senilism3-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried 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, artificial accelerated aging 22d is carried out in the growth cabinet of humidity 88%, take out seed and carry out germination test, the screening germination percentage individual plant higher than 75% enters next generation's plantation；
4) strain plantation 3) screen the F obtained3-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 250 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent4-ABCD)；
5) strain plantation 4) F of gained4-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 220 strain individual plant sowing (F therefrom selecting economical character, yield traits excellent5-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carrying out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, measure the germination percentage of Aged Seeds after burin-in process, select the germination percentage individual plant 50 parts higher than 75% and enter next generation's plantation；
6) strain plantation 5) screen the F obtained5-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200 parts results seed (F therefrom selecting economical character, yield traits excellent6-ABCD), gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, screening retains amylose content individual plant between 4%-8%, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, the germination percentage of Aged Seeds is measured after burin-in process, select the germination percentage individual plant 5-8 strain higher than 75%, be namely bred as the green soft rice rice varieties of premature senescence resistance storage endurance.
The green soft rice rice varieties energy premature senescence resistance of this premature senescence resistance storage endurance, later stage annesl is good, yield is high, comparable general commercial variety volume increase about 5%, seed and Oryza glutinosa storage endurance, 5-8 month is extended than the common rice storage phase, rice is soft, mouthfeel good, outward appearance light green, rich in trace element and the vitamin of full-natural nutritive pigment and a large amount of needed by human, edible have good tonic effect to human body.
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 (2)
1. the selection of the green soft rice rice of premature senescence resistance storage endurance, it is characterised in that: specifically comprise the following steps that
1) select premature senescence resistance rice varieties-A, storage endurance rice varieties-B, green rice rice varieties-C, soft rice rice varieties-D, make hybridization A/B and C/D, F must be hybridized1In generation, respectively with F1-ABAnd F1-CDRepresent；
2) plantation hybridization F1In generation, make hybridization F in florescence1-AB/F1-CD, period of maturation sowing must be reestablished diplomatic relations F1For seed, with F1-ABCDRepresent；
3) plantation F1-ABCDSeed, selfing sowing obtains F2-ABCD, plant F2-ABCD, colony's 1200-1500 strain, the period of maturation selects the individual plant sowing F that rice straw is sturdy, blade keeps green not senilism3-ABCD, gained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, it is the individual plant of 4%-8% that screening retains amylose content, and the rough Some seeds that do not go out that it is corresponding is carried 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, artificial accelerated aging 22d is carried out in the growth cabinet of humidity 88%, take out seed and carry out germination test, the screening germination percentage individual plant higher than 75% enters next generation's plantation；
4) plantation step 3) screens the F obtained3-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200-300 strain individual plant sowing F therefrom selecting economical character, yield traits excellent4-ABCD；
5) plantation step 4) screens the F obtained4-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200-250 strain individual plant sowing F therefrom selecting economical character, yield traits excellent5-ABCDGained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carrying out amylose content determination, it is the individual plant of 4%-8% that screening retains amylose content, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, measure the germination percentage of Aged Seeds after burin-in process, select the germination percentage individual plant 50 parts higher than 75% and enter next generation's plantation；
6) plantation step 5) screens the F obtained5-ABCD, the period of maturation selects the strain that rice straw is sturdy, blade keeps green not senilism the individual plant 200 parts results seed F therefrom selecting economical character, yield traits excellent6-ABCDGained seed numbering is dried, after drying, every part of seed takes and partly carries out rough process, naked eyes select brown rice to show green and unseparated individual plant, and carry out amylose content determination, and it is the individual plant of 4%-8% that screening retains amylose content, and the rough Some seeds that do not go out that it is corresponding is carried out hot and humid artificial accelerated aging process, measure the germination percentage of Aged Seeds after burin-in process, select the germination percentage individual plant 5-8 strain higher than 75%, be namely bred as the green soft rice rice varieties of premature senescence resistance storage endurance；
Described premature senescence resistance rice varieties is " grand round-grained rice 62 ", and storage endurance rice varieties is " cloud extensive 290 ", and green rice rice varieties is " precious No. one of medium green ", and soft rice rice varieties is " dragon rice No. 1 " or " person of outstanding talent's wind ".
2. the selection of the green soft rice rice of premature senescence resistance storage endurance according to claim 1, it is characterized in that: the rice varieties energy premature senescence resistance of selection-breeding, later stage annesl are good, yield is high, seed and Oryza glutinosa storage endurance, rice is soft, mouthfeel good, outward appearance light green, rich in trace element and the vitamin of full-natural nutritive pigment and a large amount of needed by human, edible have good tonic effect to human body.
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| CN103891605A (en) * | 2014-04-04 | 2014-07-02 | 福建农林大学 | Breeding method for disease-resistant functional rice two-line sterile line |
| CN103891604A (en) * | 2014-04-04 | 2014-07-02 | 福建农林大学 | Breeding method for multifunctional rice variety |
| 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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| US8288635B2 (en) * | 2009-09-22 | 2012-10-16 | Board Of Trustees Of The University Of Arkansas, N.A. | Rice cultivar templeton |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103891605A (en) * | 2014-04-04 | 2014-07-02 | 福建农林大学 | Breeding method for disease-resistant functional rice two-line sterile line |
| CN103891604A (en) * | 2014-04-04 | 2014-07-02 | 福建农林大学 | Breeding method for multifunctional rice variety |
| 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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