CN108967184A - A kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation - Google Patents
A kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation Download PDFInfo
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- CN108967184A CN108967184A CN201810877799.0A CN201810877799A CN108967184A CN 108967184 A CN108967184 A CN 108967184A CN 201810877799 A CN201810877799 A CN 201810877799A CN 108967184 A CN108967184 A CN 108967184A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H1/00—Processes for modifying genotypes ; Plants characterised by associated natural traits
- A01H1/02—Methods or apparatus for hybridisation; Artificial pollination ; Fertility
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H1/00—Processes for modifying genotypes ; Plants characterised by associated natural traits
- A01H1/04—Processes of selection involving genotypic or phenotypic markers; Methods of using phenotypic markers for selection
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Abstract
A kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, including following breeding step: (1) parental line selection；(2) hybridize combo；(3) systematic breeding；(4) multiple identification；(5) transplanting plantation and detection resistant to lodging.The Japonica two line hybrid rice method of the high-quality suitable transplanting plantation of big fringe provided by the invention, the japonica rice new varieties innovative point selected are mainly shown as: fringe type is larger, every total grain panicle number 167.3, setting percentage 84.2%, and Defined daily doses 140.9；Good grain quality, portion issue excellent 3 grades；Lodging tolerance is strong, and variable rate technology 100% is upright；The ripe phase is suitable for the time of infertility 156.2 days, consistent with compareing Xu rice No. 3, meets the needs of a period of time Huang-Huai Area transplanting plantation from now on is to big fringe Quality type kind.This area transplanting cultivated area can be expanded, it is preferable to solve rural laborer's deficiency, coordinate high yield and good contradiction, is advantageously implemented the large-scale production of rice.
Description
Technical field
The invention belongs to breeding technical fields, are related to the selection of rice varieties, and in particular to a kind of suitable transplanting
The selection of the big fringe high-grade rice kind of plantation.
Background technique
Rice is one of cereal crops important in the world, accounts for the 1/3 of global cereal cultivated area, provides for the mankind
40% heat.With being continuously increased for world population, it is contemplated that by 2025, global yield of brown rice must reach 800,000,000 tons, Cai Nengman
The growing demand of sufficient population.China is the main production and consumption big country of rice, while facing population growth, land resource
With water resource limitation etc. unfavorable factors.Traditional is undesirable by the method for expanding cultivated area acquisition high yield.Rice Production
Upgrading synergy must rely on varieties distribution.The rice breeding in China realizes that technology leaps three times since the establishment of the nation: being short for the first time
Change breeding technique, makes rice average product by less than 1500kg/hm2Promote 4500kg/hm2；It is with " two systems and three for the second time
System " is the breeding of the hybrid paddy rice of representative, realizes that yield is promoted to 6000kg/hm2；Third time leap is to be with " super hybridization rice incubation "
It represents, yield is promoted to 12000kg/hm2.The outburst of revolution of agricultural be unable to do without the promotion of breeding technique each time, to divide
Sub- labelling technique, the biotechnology that transgenic technology is representative are expected to the breach as the 4th agricultural technology revolution.
It with the development of biotechnology, is exploited and utilizes in succession with the effective gene of yield, resistance and correlation of attributes, show
The raising yield of brown rice and quality of work.Such as it is synthesized with rice starch relatedwxGene can effectively reduce amylose content,
Rice quality is promoted,GSFamily gene controls rice shape, while having the function of to improve rice appearance and food flavor quality etc.；pigm、pik、piaEqual Gene minings and utilization, can be significantly expanded the anti-spectral limit of rice blast, realize resistance of wide spectrum, promote resistance
It is horizontal.It using biotechnologys such as molecular labeling, tissue cultures and transgenosis, can effectively shorten breeding cycle, break bad company
Lock, realizes the rapid polymerization of effective gene, shows huge potentiality and advantage.
Rice varieties are proposed new requirement by the popularization for gently simplifying cropping pattern recently as live streaming, transplanting etc..It is special
It is not transplanting planting patterns because it has suitable large-scale planting, save labour turnover the significant advantages such as investment, in this area
It promotes rapidly.Jiangsu the whole province transplanting area has surpassed 15,000,000 mu, accounts for the whole province's Monitoring of Paddy Rice Plant Area more than half.Transplanting kind
Planting has many characteristics, such as that date of seeding is postponed, Basic Seedling is more, Planting Densities are larger compared with traditional artificial transplanting.Therefore in rice varieties
In terms of breeding, high yield is not unique pursuit direction, and breeding time, species the advantage short, precocious, that yield stability is good became apparent, and more could
Meet the cultivation requirement of machine transplanting of rice plantation.Simultaneous social development, consumer to the consumption demand of rice by " having enough " gradually
It is changed into " eating ", therefore the rice such as excellent northeast rice, Japanese polished rice, THAI Fragrant rice are very popular on the market, and valence
Lattice are high.Jiangsu is as japonica rice planting area maximum other than northeast, and compared with the rice varieties of northeast, there are the prominent kinds of quality
The deficiencies of rareness, rice food flavor is general, and exterior quality is poor, the weak phenomenon of the strong rice of rice are on the rise.Therefore in current agricultural
Structural adjustment runs business big and strong under the premise of " Soviet Union's rice " brand, carries out high-quality food flavor breed improvement, the good rice of breeding palatability
Kind, development scale, standardization, mechanization production are of far-reaching significance to the Rice Production of Jiangsu Province.
Summary of the invention
Aiming at the problem that background above proposes, a kind of big fringe high-grade rice of suitable transplanting plantation of researching and designing of the present invention
The selection of kind, its object is to: provide that a kind of large spike good grain quality, food flavor are good, are suitble to the water of transplanting plantation
The breeding method of rice varieties meets the needs of current transplanting plantation is to high yield, fine quality.
Technical solution of the invention:
A kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, it is characterised in that: walked including following breeding
It is rapid:
(1) parental line selection: the main economical character of parent, resistance level, grain quality trait etc. are investigated, according to the suitable machine transplanting of rice, ripe phase
It is suitable for, the breeding objective that fringe type is larger, rice matter food flavor is good that screening Su Xiu 867 is female parent, and self-fertile kind nasal mucus rice 09-5966 is
Male parent；
(2) hybridize combo: being female parent with Su Xiu 867, self-fertile kind nasal mucus rice 09-5966 is male parent, hybridizes to obtain F1 generation；
(3) systematic breeding: the F1 generation seed continuous multi-generation obtained in step (2) is planted, according to the breeding mesh in step (1)
Mark, the method for taking field test and indoor species test to combine, systematic breeding obtain economical character by breeding in 4 years and tend to be steady
Fixed F7 is for 29 parts of advanced lines material；
(4) multiple identification: the 29 parts of advanced lines materials obtained in step (3) are subjected to small area plantation, unified harvest is taken to survey
It produces, rice blast inoculated identification, artificial food flavor is tasted and the multiple identification methods such as White Rice Taste instrument detection, and screening obtains 8 parts of productions
It measures horizontal higher (per mu yield 650kg or more), rice blast resistance preferably (middle sense level above), rice matter food flavor and preferably (issues 3 grades in portion
Superior rice) new lines；
(5) transplanting plantation and detection resistant to lodging: the 8 parts of new lines that will be obtained in step (4) carry out small area transplanting kind
It plants；The synchronous high nitrogen high density that carries out compares, instrument detection, the strong new lines of screening lodging tolerance.It is obtained through multiple identification, screening
It is excellent to obtain 1 Comprehensive Traits, meets the rice new strain of expected breeding objective, names as SH1427.
It is authorized by the national variety of crops committee within Su Xiu 867,2011 in the step (1), authorization number is
State examines rice 2011029, and the kind plant type is preferable, and the ripe phase is more early than check variety Xu rice No. 3 early 1.4 days, plant height 90.8cm, resistant to lodging
Ability is strong；Rice blast comprehensive resistance index 3.8, panicle blast loss late is 3 grades highest, middle blast resisting, anti-stripe virus disease；Rice
Rice main quality index: Coarse Rice Rate, head rice rate, chalkiness degree, chalky grain rate, gel consistence, amylose content index reach state
Mark excellent 2 grade standard.
Nasal mucus rice 09-5966 in the step (2) is Jiangsu Province Agriculture Science Institute Suqian institute of agricultural sciences self-fertile strain, the kind
Fringe type is larger, and number of grain per ear 170, mass of 1000 kernel 28.2g, grain shape is partially long, and length-width ratio 1.8, tiller is less, the effective fringe 18.5 of mu
- 20 ten thousand fringe of ten thousand fringes.
In the step (3) advanced lines material have fringe type is larger, ripe phase is suitable for, lodging tolerance is strong, exterior quality compared with
Good feature.
Cultivated area in the step (4) is 13.3m2。
Cultivated area in the step (5) is 333.5m2
SH1427 in the step (5) is in the national the Yellow River and Huai He River japonica rice group regional experiment of participation in -2017 years 2016, synchronization in 2017
Pilot production is carried out, in June, 2018, naming was nasal mucus rice No. 16 by country's authorization.
Beneficial effects of the present invention: the Japonica two line hybrid rice method of the big high-quality suitable transplanting plantation of fringe provided by the invention, choosing
The japonica rice new varieties innovative point brought out is mainly shown as: fringe type is larger, every total grain panicle number 167.3, setting percentage 84.2%, every fringe
Bear fruit grains 140.9；Good grain quality, portion issue excellent 3 grades；Lodging tolerance is strong, and 3 internodes are averaged lodging index lower than 100, and 4
Internode is averaged lodging index lower than 130, and 5 internodes are averaged lodging index lower than 150；Variable rate technology 100% is upright；The ripe phase is suitable,
It is the time of infertility 156.2 days, consistent with compareing Xu rice No. 3, it is excellent to big fringe to meet a period of time Huang-Huai Area transplanting plantation from now on
The demand of matter type kind.This area transplanting cultivated area can be expanded, it is preferable that solve rural laborer insufficient, coordinate high yield with
Good contradiction is advantageously implemented the large-scale production of rice.
Specific embodiment
Below in conjunction with specific implementation, the present invention will be further described.
Embodiment: the Breeding Process that nasal mucus rice is No. 16
(1) 2009 year is female parent in the positive Ji Yisu show 867 in Siyang, carries out hybridization combo by male parent of nasal mucus rice 09-5966, obtains miscellaneous
Hand over F1 generation seed；
(2) 2009 year winter by first familiar generation seed kind in Hainan breeding base, it is mixed harvest F2 for seed；
The plantation of -2012 years (3) 2010 years continuous multi-generations, the method for taking single plant to screen, screening variable rate technology is good, fringe type compared with
Greatly, Defined daily doses 120 or more, the suitable progeny material of plant height (95cm-105cm), in conjunction with indoor exterior quality species test, sieve
Select rice matter appearance preferable, the grain of rice is elongated, and low (chalky grain rate is lower than 30%, and chalkiness degree is lower than after 5%) for chalky grain rate and chalkiness degree
For material, relatively stable F7 is obtained for 29 parts of material；
29 parts of F7 are 13.3m carrying out area Siyang positive season for material by (4) 2013 years2Cell product than plantation, take paid
Survey the methods of productions, rice blast resistance inoculated identification, rice matter food flavor detection (artificial taste and instrument detection) screen 8 parts of yield compared with
The good new lines of high (per mu yield 650kg or more), rice blast resistance good (5 grades of level above), food flavor；
Continue variety comparative test within (5) 2014 years, while carrying out transplanting plantation and investigating and the tests such as high nitrogen high-density planting, sieve
Be full the plantation of sufficient transplanting, and lodging tolerance is strong, and (the 3 internodes lodging index that be averaged is lower than 100, and 4 internodes are averaged lodging index
Lower than 130,5 internodes are averaged lodging index lower than 150；Variable rate technology 100% is upright) 1 part of new lines, fix tentatively entitled
SH1427；
Progress multiple spot strange land identification in (6) 2015 years, investigates the yield stability and adaptability of SH1427；
- 2017 years (7) 2016 years participation the Yellow River and Huai He Rivers lead in June, 2018 through rice group regional experiment, synchronous participation pilot production in 2017
Cross country's authorization.
Claims (7)
1. a kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, it is characterised in that: including following breeding
Step:
(1) parental line selection: the main economical character of parent, resistance level, grain quality trait etc. are investigated, according to the suitable machine transplanting of rice, ripe phase
It is suitable for, the breeding objective that fringe type is larger, rice matter food flavor is good that screening Su Xiu 867 is female parent, and self-fertile kind nasal mucus rice 09-5966 is
Male parent；
(2) hybridize combo: being female parent with Su Xiu 867, self-fertile kind nasal mucus rice 09-5966 is male parent, hybridizes to obtain F1 generation；
(3) systematic breeding: the F1 generation seed continuous multi-generation obtained in step (2) is planted, according to the breeding mesh in step (1)
Mark, the method for taking field test and indoor species test to combine, systematic breeding obtain economical character by breeding in 4 years and tend to be steady
Fixed F7 is for 29 parts of advanced lines material；
(4) multiple identification: the 29 parts of advanced lines materials obtained in step (3) are subjected to small area plantation, unified harvest is taken to survey
It produces, rice blast inoculated identification, artificial food flavor is tasted and the multiple identification methods such as White Rice Taste instrument detection, and screening obtains 8 parts of productions
Amount level is higher, rice blast resistance is preferable, the preferable new lines of rice matter；
(5) transplanting plantation and detection resistant to lodging: the 8 parts of new lines that will be obtained in step (4) carry out small area transplanting kind
It plants；The synchronous high nitrogen high density that carries out compares, instrument detection, and the strong new lines of screening lodging tolerance are obtained through multiple identification, screening
It is excellent to obtain 1 Comprehensive Traits, meets the rice new strain of expected breeding objective, names as SH1427.
2. a kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, feature exist as described in claim 1
In: it is authorized by the national variety of crops committee within Su Xiu 867,2011 in the step (1), authorization number is that state examines rice
2011029, the kind plant type is preferable, and the ripe phase is than No. 3 early 1.4 days early, plant height 90.8cm of check variety Xu rice, lodging tolerance
By force；Rice blast comprehensive resistance index 3.8, panicle blast loss late is 3 grades highest, middle blast resisting, anti-stripe virus disease；Rice master
Want the index of quality: Coarse Rice Rate, head rice rate, chalkiness degree, chalky grain rate, gel consistence, amylose content index reach national standard excellent 2
Grade standard.
3. a kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, feature exist as described in claim 1
In: the nasal mucus rice 09-5966 in the step (2) is Jiangsu Province Agriculture Science Institute Suqian institute of agricultural sciences self-fertile strain, the kind fringe type
Larger, number of grain per ear 170, mass of 1000 kernel 28.2g, grain shape is partially long, and length-width ratio 1.8, tiller is less, the effective fringe of mu 18.5 ten thousand-
20.0 ten thousand fringes.
4. a kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, feature exist as described in claim 1
In: with fringe type, larger, the ripe phase is suitable for advanced lines material, lodging tolerance is strong, exterior quality is preferably special in the step (3)
Point.
5. a kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, feature exist as described in claim 1
In: the cultivated area in the step (4) is 13.3m2。
6. a kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, feature exist as described in claim 1
In: the cultivated area in the step (5) is 333.5m2。
7. a kind of selection of the big fringe high-grade rice kind of suitable transplanting plantation, feature exist as described in claim 1
In: the SH1427 in the step (5) is in the national the Yellow River and Huai He River japonica rice group regional experiment of participation in -2017 years 2016, synchronization in 2017
Pilot production is carried out, in June, 2018, naming was nasal mucus rice No. 16 by country's authorization.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114982631A (en) * | 2022-05-25 | 2022-09-02 | 江苏省徐州大华种业有限公司 | Two-line hybrid rice breeding method suitable for machine insertion |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107251834A (en) * | 2017-06-30 | 2017-10-17 | 江苏沿海地区农业科学研究所 | A kind of selection of precocious intermediate keng rice kind |
| CN108124761A (en) * | 2018-01-04 | 2018-06-08 | 何美娟 | A kind of selection of the new rice variety with excellent flavour quality brown rice |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107251834A (en) * | 2017-06-30 | 2017-10-17 | 江苏沿海地区农业科学研究所 | A kind of selection of precocious intermediate keng rice kind |
| CN108124761A (en) * | 2018-01-04 | 2018-06-08 | 何美娟 | A kind of selection of the new rice variety with excellent flavour quality brown rice |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114982631A (en) * | 2022-05-25 | 2022-09-02 | 江苏省徐州大华种业有限公司 | Two-line hybrid rice breeding method suitable for machine insertion |
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