CN104642100A - Breeding method of anti-premature senility and storage-endurable green soft rice - Google Patents
Breeding method of anti-premature senility and storage-endurable green soft rice Download PDFInfo
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- CN104642100A CN104642100A CN201510108053.XA CN201510108053A CN104642100A CN 104642100 A CN104642100 A CN 104642100A CN 201510108053 A CN201510108053 A CN 201510108053A CN 104642100 A CN104642100 A CN 104642100A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 88
- 235000009566 rice Nutrition 0.000 title claims abstract description 88
- 238000009395 breeding Methods 0.000 title abstract description 6
- 240000007594 Oryza sativa Species 0.000 title description 6
- 241000209094 Oryza Species 0.000 claims abstract description 119
- 238000003860 storage Methods 0.000 claims abstract description 44
- 230000002028 premature Effects 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000012216 screening Methods 0.000 claims abstract description 22
- 229940088594 vitamin Drugs 0.000 claims abstract description 8
- 235000013343 vitamin Nutrition 0.000 claims abstract description 8
- 239000011782 vitamin Substances 0.000 claims abstract description 8
- 229930003231 vitamin Natural products 0.000 claims abstract description 8
- 239000000049 pigment Substances 0.000 claims abstract description 7
- 241000196324 Embryophyta Species 0.000 claims description 75
- 230000032683 aging Effects 0.000 claims description 48
- 229920000856 Amylose Polymers 0.000 claims description 33
- 230000035784 germination Effects 0.000 claims description 31
- 230000009758 senescence Effects 0.000 claims description 31
- 238000009331 sowing Methods 0.000 claims description 21
- 239000010902 straw Substances 0.000 claims description 20
- 238000009396 hybridization Methods 0.000 claims description 17
- 235000021329 brown rice Nutrition 0.000 claims description 15
- 239000011573 trace mineral Substances 0.000 claims description 8
- 235000013619 trace mineral Nutrition 0.000 claims description 8
- 150000003722 vitamin derivatives Chemical class 0.000 claims description 7
- 230000000050 nutritive effect Effects 0.000 claims description 6
- 230000001256 tonic effect Effects 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims description 5
- 235000015097 nutrients Nutrition 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000004382 Amylase Substances 0.000 abstract 2
- 102000013142 Amylases Human genes 0.000 abstract 2
- 108010065511 Amylases Proteins 0.000 abstract 2
- 235000019418 amylase Nutrition 0.000 abstract 2
- 230000009418 agronomic effect Effects 0.000 abstract 1
- 238000004040 coloring Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
- 230000001228 trophic effect Effects 0.000 description 2
- 240000002582 Oryza sativa Indica Group Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229940099908 multivitamin and calcium Drugs 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The invention discloses a breeding method of anti-premature senility and storage-endurable green soft rice, and belongs to the technical field of special rice breeding. The method comprises the following steps: selecting four special rice varieties respectively with the premature senility resistance, endurable storage, green seed coat and low amylase as materials, hybridizing and multiple-crossing to polymerize, and measuring and screening the strains with the premature senility resistance, endurable storage, green seed coat, low amylase, agronomic character and yield character in segregative generation, breeding the screened strains into the anti-premature senility and storage-endurable green soft rice variety. The variety is anti-premature senility, good in later period coloring and high in yield; the seed and the rice are storage-endurable, the rice is soft, good in taste, light yellow in appearance, rich in pure natural nutrient pigment and a large amount of human necessary microelements and vitamins, and the green soft rice has a good nourishing effect for the human body after being eaten.
Description
Technical field
The present invention is specifically related to the selection of the green soft rice rice of a kind of premature senescence resistance storage endurance, belongs to Special rice breeding technical field.
Background technology
Rice premature refers to that the phenomenon failed appears in the physiological function at the positions such as late growth stage of rice cauline leaf too early, and particularly present cauline leaf to ripening period after heading withered and yellow, vane tip canescence bends dried-up, affects photosynthesis, causes production declining.Early ageing is caused by the characteristic of environment and kind, and a key factor of restriction Indica Rice output increased is exactly the early ageing phenomenon of late growth stage of rice at present, 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 output of about 1%.Solve the rice varieties that rice premature problem the best way is exactly seed selection premature senescence resistance.
It is that puzzlement is produced, a difficult problem of accumulating and operating division that the shoddy change of rice in rice storage process, germination rate decline always, causes China's foodstuff preservation loss average out to 3.05% thus, annual loss nearly 5,000,000,000 kilograms of grain.Rice paddy seed also causes huge economic loss because vigor declines in storage, and can affect the upgrowth situation of percentage of seedgermination and seedling.Therefore, the storage property of paddy is by people's growing interest.Although China adopts the rotation regularly pushing away Chen Chuxin to upgrade or by improving storage condition with the aging speed during delaying rice storage, but these methods not only need to consume a large amount of energy and material, and be not suitable for promoting in large peasant household, therefore, cultivate storage endurance new rice variety, the problems such as solution rice Deterioration are had important practical significance.
Green rice is a kind of seed coat is green extraordinary rice, its good grain quality, and outward appearance is unique, and fragrant odour is nutritious.Particularly selenium content is high, and the trace element in addition containing a large amount of needed by human and vitamin, when cooking, cooking congee, add a small amount of green rice, not only suffus an exquisite fragrance all around, fragrant soft agreeable to the taste, can reach again simultaneously and mend selenium health care object.The rice matter of the soft rice a kind of superior rice between waxy and viscosity, amylose content is low, generally at about 4%-8%, and the trace element containing the needed by human such as multivitamin and calcium, iron, zinc, selenium.Soft cooked rice grains is sparkling and crystal-clear, mouthfeel is fragrant soft sweet glutinous smooth, not hardeningly 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 proterties are aggregated in same rice varieties, not only high yield, storage endurance can be bred as, and there is the soft rice rice of green seed coat, this rice nutrient composition content is high, outward appearance good, mouthfeel good, have wide market prospects and Development volue, its market price is higher than common rice about 3 times, and popularizing planting is for the income improving vast kind of rice peasant, for the trophic level improving broad masses of the people, improve health and all there is certain meaning.
Summary of the invention
The object of the present invention is 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, nutrient composition content is high, outward appearance good, the soft rice rice varieties of green that mouthfeel is good.The present invention selects premature senescence resistance rice varieties " No. 62, grand round-grained rice ", storage endurance rice varieties " cloud extensive 290 ", green rice rice varieties " precious No. one of medium green ", soft rice rice varieties " imperial rice No. 1 " or " bold and unconstrained wind " (Huang Qinggang, Qiu Zongen. introduce a high-quality softpanel rice variety. Crop Germplasm Resources, 1986, (01): 46-47) be material, by hybridization, to reestablish diplomatic relations polymerization, and to segregative 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, output is high, seed and paddy storage endurance, rice is soft, mouthfeel is good, be 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.
Technical scheme of the present invention is as follows:
1) select premature senescence resistance rice varieties for " No. 62, grand round-grained rice " (A), storage endurance rice varieties is " cloud extensive 290 " (B), green rice rice varieties is " precious No. one of medium green " (C), soft rice rice varieties is " imperial rice No. 1 " or " bold and unconstrained wind " (D), make hybridization A/B and C/D, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) plantation hybridization F
1in generation, make hybridization F in flowering stage
1-AB/ F
1-CD, maturing stage sowing must be reestablished diplomatic relations F
1for seed, with F
1-ABCDrepresent;
3) F is planted
1-ABCDseed, selfing sowing obtains F
2-ABCD, plantation F
2-ABCD, colony 1200-1500 strain, the maturing stage selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not early ageing
3-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out 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, baking oven by seed, again temperature 42 DEG C, artificial accelerated aging 22d is carried out in the climatic cabinate of humidity 88%, take out seed and carry out germination test, screening germination rate enters plantation of future generation higher than the individual plant of 75%,
4) strain plantation 3) screen the F obtained
3-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 200-300 strain individual plant sowing (F of economical character, yield traits excellence
4-ABCD);
5) strain plantation 4) F of gained
4-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 200-250 strain individual plant sowing (F of economical character, yield traits excellence
5-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, measure the germination rate of Aged Seeds after burin-in process, select germination rate higher than 75% individual plant 50 parts enter plantation of future generation;
6) strain plantation 5) screen the F obtained
5-ABCD, the maturing stage selects the individual plant 200 parts results seed (F that rice straw is sturdy, the strain of the green not early ageing of blade maintenance also therefrom selects economical character, yield traits excellence
6-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, the germination rate of Aged Seeds is measured after burin-in process, select germination rate higher than 75% individual plant 5-8 strain, namely the green soft rice rice varieties of premature senescence resistance storage endurance is bred as, this kind energy premature senescence resistance, later stage annesl is good, output is high, seed and paddy storage endurance, rice is soft, mouthfeel is good, outward appearance light green, be 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.
Beneficial effect of the present invention is: utilize the method can respectively premature senescence resistance, storage endurance, green seed coat, the proterties of low amylose is by hybridization, breeding method of reestablishing diplomatic relations is aggregated in same good rice varieties, 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, there is wide market prospects and Development volue, its market price is higher than common rice about 3 times, popularizing planting is for the income improving vast kind of rice peasant, for the trophic level improving broad masses of the people, improve health and all have great importance.
Embodiment
Embodiment 1:
1) select premature senescence resistance rice varieties for " No. 62, grand round-grained rice " (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 " imperial rice No. 1 " (D), make hybridization A/B and C/D, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) plantation hybridization F
1in generation, make hybridization F in flowering stage
1-AB/ F
1-CD, maturing stage sowing must be reestablished diplomatic relations F
1for seed, with F
1-ABCDrepresent;
3) F is planted
1-ABCDseed, selfing sowing obtains F
2-ABCD, plantation F
2-ABCD, colony 1200 strain, the maturing stage selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not early ageing
3-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out 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, baking oven by seed, again temperature 42 DEG C, artificial accelerated aging 22d is carried out in the climatic cabinate of humidity 88%, take out seed and carry out germination test, screening germination rate enters plantation of future generation higher than the individual plant of 75%,
4) strain plantation 3) screen the F obtained
3-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 200 strain individual plant sowing (F of economical character, yield traits excellence
4-ABCD);
5) strain plantation 4) F of gained
4-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 200 strain individual plant sowing (F of economical character, yield traits excellence
5-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, measure the germination rate of Aged Seeds after burin-in process, select germination rate higher than 75% individual plant 50 parts enter plantation of future generation;
6) strain plantation 5) screen the F obtained
5-ABCD, the maturing stage selects the individual plant 200 parts results seed (F that rice straw is sturdy, the strain of the green not early ageing of blade maintenance also therefrom selects economical character, yield traits excellence
6-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, the germination rate of Aged Seeds is measured after burin-in process, select germination rate higher than individual plant 5 strain of 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, output is high, comparable general recommended variety volume increase about 5%, seed and paddy storage endurance, 5-8 month is extended than the common rice storage phase, rice is soft, mouthfeel good, outward appearance light green, be 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) select premature senescence resistance rice varieties for " No. 62, grand round-grained rice " (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 " bold and unconstrained wind " (D), make hybridization A/B and C/D, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) plantation hybridization F
1in generation, make hybridization F in flowering stage
1-AB/ F
1-CD, maturing stage sowing must be reestablished diplomatic relations F
1for seed, with F
1-ABCDrepresent;
3) F is planted
1-ABCDseed, selfing sowing obtains F
2-ABCD, plantation F
2-ABCD, colony 1500 strain, the maturing stage selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not early ageing
3-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out 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, baking oven by seed, again temperature 42 DEG C, artificial accelerated aging 22d is carried out in the climatic cabinate of humidity 88%, take out seed and carry out germination test, screening germination rate enters plantation of future generation higher than the individual plant of 75%,
4) strain plantation 3) screen the F obtained
3-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 300 strain individual plant sowing (F of economical character, yield traits excellence
4-ABCD);
5) strain plantation 4) F of gained
4-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 250 strain individual plant sowing (F of economical character, yield traits excellence
5-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, measure the germination rate of Aged Seeds after burin-in process, select germination rate higher than 75% individual plant 50 parts enter plantation of future generation;
6) strain plantation 5) screen the F obtained
5-ABCD, the maturing stage selects the individual plant 200 parts results seed (F that rice straw is sturdy, the strain of the green not early ageing of blade maintenance also therefrom selects economical character, yield traits excellence
6-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, the germination rate of Aged Seeds is measured after burin-in process, select germination rate higher than the individual plant 5-8 strain of 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, output is high, comparable general recommended variety volume increase about 5%, seed and paddy storage endurance, 5-8 month is extended than the common rice storage phase, rice is soft, mouthfeel good, outward appearance light green, be 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 " No. 62, grand round-grained rice " (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 " imperial rice No. 1 " (D), make hybridization A/B and C/D, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
2) plantation hybridization F
1in generation, make hybridization F in flowering stage
1-AB/ F
1-CD, maturing stage sowing must be reestablished diplomatic relations F
1for seed, with F
1-ABCDrepresent;
3) F is planted
1-ABCDseed, selfing sowing obtains F
2-ABCD, plantation F
2-ABCD, colony 1400 strain, the maturing stage selects the individual plant results seed (F that rice straw is sturdy, blade keeps green not early ageing
3-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out 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, baking oven by seed, again temperature 42 DEG C, artificial accelerated aging 22d is carried out in the climatic cabinate of humidity 88%, take out seed and carry out germination test, screening germination rate enters plantation of future generation higher than the individual plant of 75%,
4) strain plantation 3) screen the F obtained
3-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 250 strain individual plant sowing (F of economical character, yield traits excellence
4-ABCD);
5) strain plantation 4) F of gained
4-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 220 strain individual plant sowing (F of economical character, yield traits excellence
5-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, measure the germination rate of Aged Seeds after burin-in process, select germination rate higher than 75% individual plant 50 parts enter plantation of future generation;
6) strain plantation 5) screen the F obtained
5-ABCD, the maturing stage selects the individual plant 200 parts results seed (F that rice straw is sturdy, the strain of the green not early ageing of blade maintenance also therefrom selects economical character, yield traits excellence
6-ABCD), gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance green and unseparated individual plant, and carry out amylose content determination, screening retains the individual plant of amylose content between 4%-8%, and its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, the germination rate of Aged Seeds is measured after burin-in process, select germination rate higher than the individual plant 5-8 strain of 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, output is high, comparable general recommended variety volume increase about 5%, seed and paddy storage endurance, 5-8 month is extended than the common rice storage phase, rice is soft, mouthfeel good, outward appearance light green, be 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 preferred embodiment 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 covering scope of the present invention.
Claims (3)
1. a selection for the green soft rice rice of premature senescence resistance storage endurance, is characterized in that: concrete steps are as follows:
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, must F be hybridized
1in generation, respectively with F
1-ABand F
1-CDrepresent;
Plantation hybridization F
1in generation, make hybridization F in flowering stage
1-AB/ F
1-CD, maturing stage sowing must be reestablished diplomatic relations F
1for seed, with F
1-ABCDrepresent;
Plantation F
1-ABCDseed, selfing sowing obtains F
2-ABCD, plantation F
2-ABCD, colony 1200-1500 strain, the maturing stage selects the individual plant sowing F that rice straw is sturdy, blade keeps green not early ageing
3-ABCD, gained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance 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 its corresponding rough Some seeds that do not go out 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, baking oven by seed, again temperature 42 DEG C, artificial accelerated aging 22d is carried out in the climatic cabinate of humidity 88%, take out seed and carry out germination test, screening germination rate enters plantation of future generation higher than the individual plant of 75%,
Strain plantation 3) screen the F obtained
3-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 200-300 strain individual plant sowing F of economical character, yield traits excellence
4-ABCD;
Strain plantation 4) screen the F obtained
4-ABCD, maturing stage selection rice straw is sturdy, blade keeps the strain of green not early ageing also therefrom to select the individual plant 200-250 strain individual plant sowing F of economical character, yield traits excellence
5-ABCDgained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance 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 its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, measure the germination rate of Aged Seeds after burin-in process, select germination rate higher than 75% individual plant 50 parts enter plantation of future generation;
Strain plantation 5) screen the F obtained
5-ABCD, the maturing stage selects the individual plant 200 parts results seed F that rice straw is sturdy, the strain of the green not early ageing of blade maintenance also therefrom selects economical character, yield traits excellence
6-ABCDgained seed numbering is dried, dry rear every part of seed get part carry out rough process, naked eyes select brown rice performance 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 its corresponding rough Some seeds that do not go out is carried out hot and humid artificial accelerated aging process, measure the germination rate of Aged Seeds after burin-in process, select germination rate higher than the individual plant 5-8 strain of 75%, be namely bred as the green soft rice rice varieties of premature senescence resistance storage endurance.
2. the selection of the green soft rice rice of premature senescence resistance storage endurance according to claim 1, it is characterized in that: described premature senescence resistance rice varieties is " No. 62, grand round-grained rice ", storage endurance rice varieties is " cloud extensive 290 ", green rice rice varieties is " precious No. one of medium green ", and soft rice rice varieties is " imperial rice No. 1 " or " bold and unconstrained wind ".
3. 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 seed selection, later stage annesl are good, output is high, seed and paddy storage endurance, rice is soft, mouthfeel good, outward appearance light green, be 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108053.XA CN104642100B (en) | 2015-03-12 | 2015-03-12 | A kind of selection of the green soft rice rice of premature senescence resistance storage endurance |
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| CN201510108053.XA CN104642100B (en) | 2015-03-12 | 2015-03-12 | A kind of selection of the green soft rice rice of premature senescence resistance storage endurance |
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| Publication Number | Publication Date |
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| CN104642100A true CN104642100A (en) | 2015-05-27 |
| CN104642100B CN104642100B (en) | 2016-06-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110072534A1 (en) * | 2009-09-22 | 2011-03-24 | Board Of Trustees Of The University Of Arkansas, N.A. | Rice Cultivar Templeton |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110072534A1 (en) * | 2009-09-22 | 2011-03-24 | Board Of Trustees Of The University Of Arkansas, N.A. | Rice Cultivar Templeton |
| 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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