CN108834884A - A kind of selection of the high-quality millet of drought resisting - Google Patents
A kind of selection of the high-quality millet of drought resisting Download PDFInfo
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- CN108834884A CN108834884A CN201810502979.0A CN201810502979A CN108834884A CN 108834884 A CN108834884 A CN 108834884A CN 201810502979 A CN201810502979 A CN 201810502979A CN 108834884 A CN108834884 A CN 108834884A
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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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- 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
Abstract
The invention discloses a kind of selection of the high-quality millet of drought resisting, the continuously-directional selection which uses floods and droughts to combine in parallel with pedigree method specifies the character screening standard of each breeding generation, to select the high-quality millet variety of drought resisting.Using technical solution of the present invention, the selection of acquisition, the directive breeding of continuous seven generations is carried out to millet filial generation, according to the high yield of millet, the variation amplitude of drought resisting and other characters and hereditary force characteristic, different generations are carried out with the combination of specific selection-breeding method and Breeding Traits, cultivates time of infertility strong drought resistance, the good Millet Variety of nutrition on the basis of showing excellent in terms of Comprehensive Traits.
Description
Technical field
The present invention relates to millet variety breeding technique field more particularly to a kind of selections of the high-quality millet of drought resisting.
Background technique
North China Xia Guqu is the important distribution centre of millet production, and arid is one of the bottleneck for influencing local agricultural, and non-irrigated
Feelings have the tendency that aggravating year by year.Along with the kind for lacking bright characteristic, the development of current agricultural is seriously constrained, how to be shaken off poverty
It gets rich, key is to base oneself upon the featured agriculture for locally developing and according with the demands of the market.
Millet strong drought resistance is the advantage special crop of our province.In recent years, with the promotion of breeding level and promotion efficiency
Increasing, high-yield variety, fine quality, drought-resistant variety recognize by people, and Hebei province's millet per unit area yield is significantly improved,
But due to the influence of the unfavorable factors such as arid, disease, the yield potentiality of millet variety can be brought into play far away, and the whole province millet is average
Per unit area yield is not still high, and yield potentiality is also very big.
About the study on drought resistance of millet, majority is concentrated on the study on drought resistance in budding period and seedling stage, with survival rate or
Suppressed degree is evaluated, and is suitble to the basic research of lot of materials, is not related to production problems, and in actual production, yield
It is still vital, time of infertility Identification of Drought, because the period is long, high to facility requirements condition, working strength is very big, this
The test of aspect is carried out less, but arid often will affect each growth phase of millet, therefore, only breeding time of infertility
The kind of strong drought resistance can just meet production actual demand, be easy to be received by peasant.
Years of researches show that the drought resisting sex differernce of different millet varieties is obvious, this is the present invention provides theoretical basis
And resource base.
In addition, as the improvement of people's living standards, more stringent requirements are proposed to the quality of millet.In addition to palatability,
Other than commodity, nutritional quality increasingly introduces the very big concern of people.
Summary of the invention
To solve the shortcomings of the prior art, the present invention provides a kind of selections of the high-quality millet of drought resisting, pass through
Floods and droughts selects the continuously-directional selection combined with pedigree method in parallel, specifies the character screening standard of each breeding generation, with
Select time of infertility drought resisting, the good millet variety of nutrition on the basis of showing excellent in terms of Comprehensive Traits.
To achieve the above object, the selection of the high-quality millet of drought resisting provided by the invention, selected in parallel using floods and droughts with
The continuously-directional selection that pedigree method combines, breeding operation and breeding standard include:
F1 generation:It is special according to the feature of marker trait combination parents on the basis of determining that hybrid parent is cross-breeding
Property, it identifies true and false hybrid, obtains true hybrid, select true hybrid single plant in the maturity period;
F2 generation:Using Natural infection method, disease resistance, breeding time, plant height are carried out to the true hybrid single plant that F1 generation obtains
And the primary election of yield traits, indoor species test is combined after harvest, measure selected materials goes out paddy rate and mass of 1000 kernel, and it is low to eliminate paddy rate
In single plant of the 75%, mass of 1000 kernel less than 2.5 grams, final election goes out elite seedling;
F3 generation:Using dense planting, artificial infection, air humidity increase and late growth stage manually shade water spray method create benefit
In the field microclimate that disease and lodging occur, breeding is carried out to the elite seedling selected of F2 generation, with lodging resistance, disease resistance, outer
Quality is seen as screening criteria;
F4 generation:Indoor species test is combined to screen after F3 to be substituted into the strain harvest of menu strain, the drought resistance, height to strain
Production property, nutritional quality, Cooking Quality, exterior quality carry out primary election, determine the target strain of emphasis combination;
F5, F6 generation:It carries out the floods and droughts in continuous two generation since F5 generation to select in parallel, the target strain for selecting F4 generation carries out
The multiple spot identification of resistance, productive, Cooking Quality, exterior quality, nutritional quality and floods and droughts condition adaptability, screens elite plant
System, single plant;
F7 generation:The strain selected of F6 generation is identified, confirmation yield traits, resistance, Cooking Quality, exterior quality,
The Comprehensive Traits of nutritional quality are excellent, and time of infertility strong drought resistance, the good millet strain of nutrition, and carry out Genetic characteristics mirror
It is fixed, insensitive strain is filtered out, the high-quality millet of the drought resisting as selected.
The high-quality millet of drought resisting of the invention refers to that time of infertility drought resistance is stronger, and nutrition is excellent on the basis of Comprehensive Traits are excellent
The millet variety of matter.Selection of the invention is selected by the directive breeding to cenospecies continuous seven generation using floods and droughts in parallel
The method combined with pedigree method is selected, the low generation carries out the productive breeding under high water and fertilizer condition, through Natural infection emphasis
Resistance, the breeding of breeding time, characters with plant are carried out, and dense planting, artificial infection and people are used according to different diseases characteristics of incidence
Work environment combines the reinforcing breeding that resistance, commodity are carried out under method;Middle advanced lines is continuing individual plant selection purifying
While, in conjunction with indoor species test method breeding drought resistance, the preferable target strain of productive and integrated quality, it is flat that floods and droughts is carried out later
Row selection, finally selected strain is carried out while comparative test time of infertility drought resisting identification, high yield identification, it is degeneration-resistant identify,
Quality identification, it is ensured that new varieties drought resisting and the stable high yield coordinating and unifying.Selection of the invention uses closely related with yield
AntiG valves evaluate drought resistance, the time of infertility drought-resistant rice of closing to reality agricultural production demand can be selected, it is so-called complete
Breeding time drought resisting refers to that different growth stage includes each breeding time such as budding period, boot stage all having preferable drought resistance, meets
Developing Water-saving Agriculture trend, has huge practical value, and the high-quality millet of the drought resisting selected can embody significantly in plantation
Advantage.
In selection of the invention, the determination of each generation character screening standard of seven generation continuous for cenospecies,
It is the character variation amplitude based on variety source and hereditary force characteristic, variation amplitude and genetic force according to millet various trait refer to
Mark, determine F1~F4 make from generation to generation it is productive given full expression to, increase drought resisting and high yield from generation to generation in basicly stable F5~F7
Property selection, and increase in each generation corresponding economical character screening, to realize the breeding of the high-quality millet of drought resisting.
As the restriction to above-mentioned technical proposal, principle of the crossbreeding according to character complementation, using sexual hybridization
Method, pass through Natural infection select true hybrid single plant of the breeding time less than 100 days, 2 grades of disease resistance or more.
In rich and varied variety source, different degrees of being dispersed with meets the character of breeding objective requirement, is dividing
On the basis of analysing parent material source, according to the principle of character complementation, with the parent filtered out, preparing hybrid combination.
As the restriction to above-mentioned technical proposal, the parent that the crossbreeding is selected, using objective trait as selection criteria,
It is required that parent material Comprehensive Traits are preferable, obvious shortcoming is not present;The objective trait include drought resisting, disease-resistant, high yield, it is high-quality in
At least one of character;The Comprehensive Traits include yield traits, economical character, economic characters, quality trait and resistance
Whole characters.
As the restriction to above-mentioned technical proposal, the primary election standard in the F2 generation is:2 grades of disease resistance under Natural infection
Above, breeding time less than 100 days, 2 grades of lodging resistance or more, plant height be less than 1.8m, go out paddy rate be greater than 75%, mass of 1000 kernel be greater than 2.5
Gram.
As the restriction to above-mentioned technical proposal, the screening criteria in the F3 generation is:To main disease under Natural infection
2 grades of resistance of evil is above, 2 grades of lodging resistance above, exterior qualities are not less than country's second level superior rice standard.
As the restriction to above-mentioned technical proposal, the primary election standard in the F4 generation is:To main disease under Natural infection
2 grades of resistance of evil is above, 2 grades of drought resistance or more, and yield is not less than national area's examination control, single nutritional ingredient not less than same veriety
Average content, other index of quality are not less than national second level superior rice standard.
As the restriction to above-mentioned technical proposal, the standard of perfection in F5, F6 generation is:To main under Natural infection
2 grades of Disease Resistance or more, 2 grades of drought resistance or more, yield is not less than national area's examination control, single nutritional ingredient is higher than same veriety
10% or more average content, other index of quality are not less than national second level superior rice standard, and sufficient water, two kinds of condition yield of restricting water supply are equal
Super 3% or more control;The control is regional testing check variety or local main breed.
The selection criteria of breeding hybridized each generation is specified, to obtain excellent Cultivars.
As the restriction to above-mentioned technical proposal, the floods and droughts be selected as in parallel sufficient water, restrict water supply two kinds under the conditions of carry out
The method of corresponding plantation breeding.
By sufficient water, restrict water supply two kinds under the conditions of corresponding plantation floods and droughts select in parallel, realize stable yields under drought condition, foot
High yield under the conditions of water, closing to reality agricultural production meet the demand of current Developing Water-saving Agriculture.
As the restriction to above-mentioned technical proposal, the identification breeding in the F7 generation uses the natural appraisal in subtropical zone field
Method carries out Genetic characteristics identification in winter breeding.
Identification breeding is carried out to F7 generation by Natural infection method, to be more conducive to meet practical agricultural production requirement.
In conclusion using technical solution of the present invention, the selection of acquisition is selected and pedigree method in parallel using floods and droughts
The method combined, carries out the directive breeding of continuous seven generation to millet cenospecies, according to the high yield of millet, drought resisting and other
The variation amplitude of character and hereditary force characteristic, the specific selection-breeding method of different generations is combined with Breeding Traits, is cultivated in synthesis
Show in terms of character it is excellent on the basis of time of infertility strong drought resistance, the good Millet Variety of nutrition.
Specific embodiment
Below in conjunction with embodiment, technical solution of the present invention is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
Embodiment
The present embodiment is related to a kind of selection of high-quality millet of drought resisting.
In the breeding intermediate materials and commercial variety of rich and varied variety source and constituent parts breeding, different journeys
Degree is dispersed with the character for meeting breeding objective requirement, but (Comprehensive Traits include most farm variety Comprehensive Traits:It is yield
Shape, economical character, economic characters, quality trait, resistance) it is poor, it is not easy to realize the breeding objective of high yield, the material in the area Chun Gu
It tends not to adapt to local climate, shows early ageing low yield, it is big using difficulty, and breeding intermediate materials and commercial variety polysynthesis
Character is preferable.It is thus determined that the main Selection parent material from intermediate materials and commercial variety, takes into account the excellent of other ecotope
Material.
Parent material requires Comprehensive Traits preferable, cannot there is an obvious shortcoming, initial option have drought resisting, disease-resistant, high yield,
Totally 113 parts of material of high-quality (more than national second level superior rice) at least one objective trait carry out Natural infection and artificial
Identification under control condition filters out 31 parts of general performance materials outstanding by comprehensive identification, using nutritional quality (with
Based on lysine content) measurement, finally select " peace 2491 ", " Yungu No.1 ", " Gufeng 2 ", " 201075 ", " Henan paddy 2
Number ", 6 parts of 1 grade of drought resisting materials such as " weighing apparatus 8046 " are as parent material, wherein " weighing apparatus 8046 " is (non-irrigated from Hebei Prov. Academy of Agricultural &. Forest Sciences
Make Agricultural Research Institute) it is high-lysine material (0.31%), but yielding ability is poor;" 201075 " (come from Hebei province's agricultural section
Institute millet intermediate materials) lysine content is higher (0.27%), anti-paddy rust, millet blast, yield is higher;" peace 2491 "
(intermediate materials from Anyang institute of agricultural sciences), anti-paddy rust, millet blast, yield is higher, lysine content higher (0.24%) and
It is 2.5 times of general kind rich in selenium (173.78 μ g/kg);" Yungu No.1 ", " Gufeng 2 ", " Henan paddy No. 2 " are state verification
Kind, disease-resistant, cream-coloured golden yellow, Cooking Quality and commodity are preferable.The properties and characteristics of 6 parts of parent materials such as following table (table 1) institute
Show:
Table 1, parent material character list
Select the continuously-directional selection combined with pedigree method, breeding operation and breeding standard packet in parallel using floods and droughts
It includes:
F1 generation:On the basis of determining that hybrid parent is cross-breeding, the feature according to marker trait combination parents is special
Property, it identifies true and false hybrid, obtains true hybrid, select true hybrid single plant in the maturity period;
Preparing hybrid combination, polymerize merit:
On the basis of analyzing parent material source, the principle according to character complementation has prepared peace with the parent filtered out
2491 × weighing apparatus 8046, Yungu No.1 × weighing apparatus 8046, Gufeng 2 × weighing apparatus 8046,201075 × weighing apparatus 8046, Henan paddy No. 2 × weighing apparatus 8046,
Pacify 2491 × 201075, Gufeng 2 × 201075, Yungu No.1 × 201075, Henan paddy No. 2 × 201075, Gufeng 2 × peace
2491, Yungu No.1 × peace 2491, Henan paddy No. 2 × peace 2491 etc. includes 24 cross combinations of reciprocal cross;
Through hot water emasculation, bagging hybridization, winter in the same year adds generation in Hainan, according to marker traits such as seedling color, setas, in conjunction with double
The feature of parent identifies true and false hybrid, obtains a certain number of true hybrids, harvests breeding time less than 100 days, 2 grades of disease resistance
Above combination;
F2 generation:Using Natural infection method, disease resistance, breeding time, plant height are carried out to the true hybrid single plant that F1 generation obtains
And the primary election of yield traits, indoor species test is combined after harvest, increases selection pressure, to disease resistance, breeding time, take into account lodging resistance,
Plant height, paddy rate, thousand grain weight properties are screened to obtain elite seedling out;
F2 generation is the generation largely separated, emphasis according to Natural infection to the characters such as disease resistance, breeding time, plant height into
Row selection, and roughing is carried out to yield traits, pass through indoor species test after harvest, measure selected materials goes out paddy rate and mass of 1000 kernel,
Final election go out 2 grades of 86 disease resistances or more, breeding time less than 100 days, 2 grades of lodging resistance or more, plant height be less than 1.8m, go out paddy rate be greater than
75%, elite seedling of the mass of 1000 kernel greater than 2.5 grams continues to select for the coming year.
F3 generation:Using dense planting, artificial infection and late growth stage manually shade water spray method create be conducive to disease and lodging
The field microclimate of generation, the elite seedling selected to F2 generation carry out breeding, screen the class for having resistance, exterior quality excellent
Type;
Create that field is strongly fragrant covers F3 generation, the big equal field microclimate for being conducive to disease and lodging occurs of air humidity increases selection
Pressure, the type for selecting lodging resistance, disease resistance strong, i.e., to 2 grades of Major Diseases resistance or more, 2 grades of lodging resistance or more, exterior quality
Not less than national second level superior rice standard, while being also beneficial to further select commodity.
F4 generation:Indoor species test is combined to screen after F3 to be substituted into the strain harvest of menu strain, the drought resistance, height to strain
Production property, nutritional quality, Cooking Quality, exterior quality carry out primary election, determine the target strain of emphasis combination;
In F4 generation, selects Comprehensive Traits single plant outstanding from selected family, combines interior after the strain of selected single plant is harvested
Species test further selects, and with 2 grades of Major Diseases resistance or more, 2 grades of drought resistance or more, yield is not less than national area's examination control, list
One nutritional ingredient is not less than with veriety average content, and other index of quality are not less than national second level superior rice standard, determines
" 201075 × peace 2491 ", " Henan paddy No. 2 × 201075 " 2 groups are combined into the emphasis of target variety breeding, therefrom select 9 emphasis
Strain, 38 elite seedlings;High-quality, lysine content stringent tracing detection, M8003 line after F4 generation (containing), and be out of the garden
Monitoring is paid attention to afterwards.
F5, F6 generation:It carries out the floods and droughts in continuous two generation since F5 generation to select in parallel, the target strain for selecting F4 generation carries out
The multiple spot identification of resistance, productive, Cooking Quality, exterior quality, nutritional quality and floods and droughts condition adaptability, screens elite plant
System, single plant;
Since F5, while continuing selection, in She County, Yi County, Hengshui, to resistance, quality, (lysine contains respectively
Amount), yield, adaptability carry out multiple spot identification, with 2 grades of Major Diseases resistance or more, 2 grades of drought resistance or more, yield is not less than state
The examination control of area of family, single nutritional ingredient are higher than with 10% or more veriety average content, and other index of quality are not less than country two
Grade superior rice standard, (control is for regional testing check variety or when landlord plants product for the super control of sufficient water, two kinds of condition yield of restricting water supply
Kind) 3% or more, select elite plant strain, single plant to carry out the screening of next year, and select F6 for strain by same standard screen.
F7 generation:The strain selected of F6 generation is identified, confirmation yield traits, resistance, Cooking Quality, exterior quality,
The Comprehensive Traits of nutritional quality are excellent, and time of infertility strong drought resistance, the good millet strain of nutrition, and carry out Genetic characteristics mirror
It is fixed, insensitive strain is filtered out, the high-quality millet of the drought resisting as selected.
5 strains are filtered out, breeding objective requirement are substantially conformed to, but the performance of different strains is still not quite similar, by mirror
Fixed, " 200475-1 ", " 200475-5 ", " 200475-10 " drought resisting sex expression are preferable, " 200475-1 ", " 200475-9 ",
" 200475-10 " lysine content is higher, and general performance is preferable in terms of quality.
It is in order to avoid test error causes the loss of excellent variety, winter after this 5 strains all harvest is numerous in Sanya
Kind, carry out Genetic characteristics identification.Shown in for example following series of tables (table 2, table 3) of qualification result:
Table 2, different strain time of infertility Identification of Drought results
Table 3, different strain quality identification results
The strain filtered out and other new varieties (being) are subjected to multiple spot large area planting experiment, region in quasi- promoting region
Setting is divided by precipitation, i.e., is arranged sufficient aquatic products amount comparative test in the more region of precipitation, less in precipitation and anhydrous pour item
Arid Yield comparison test is arranged in the place of part, by carrying out multispots trial, yield, quality to strain of participating in the experiment to different strains
It is equal further to be detected, further go out to meet the new varieties (being) of breeding objective using the final final election of Natural infection.
Other new varieties (being) of 5 strains and Breeding Process cultivation that utilize " 200475 " are tried to compare with national area jointly
Kind " Ji Gu 19 " is control, has carried out the Yield comparison test under the conditions of sufficient water, has as a result seen below series of tables (table 4, table 5) institute
Show.
Table 4, new lines Yield test result
As seen from the above table:" 200475-1 ", " 200475-3 ", " 200475-10 " relatively control 15% or more volume increase, wherein
" 200475-10 " per mu yield is 358.5 kilograms, relatively compares " Ji Gu 19 " number volume increase 24.84%, occupies tested variety the 1st.
Table 5, new lines Disease Resistance Identification result
Simultaneously in She County, the Pingshan Mountain, Yi County of dry farming research institute of the Agriculture in Hebei Province academy of sciences (i.e. dry farming institute) and Wild jujube in Taihang Mountain Area
Totally 4 places carry out multispots trial to 5 strains of " 200475 ", to yield, the lysine content etc. of strain of participating in the experiment carry out into
One step detection, shown in testing result such as following table (table 6):
Table 6, with strain multiple spot quality, Yield test result
The strain " 200475-10 " of suitable mountain bridge condition, 4 ground average product of the current year are filtered out by multispots trial
337.8kg/ mus, the 2nd is occupied, Comprehensive Traits are preferable, and high yield under the conditions of sufficient water is got bumper crops under drought condition, show preferably
High yield and adaptability, and lysine content is higher.
Through above-mentioned multispots trial, identification, final election " 200475-10 " is the high-quality millet strain of drought resisting selected, is participated in bright
The national region test in year.
In conclusion time of infertility selection of the invention, the side combined with pedigree method is selected using floods and droughts in parallel
Method carries out the directive breeding of continuous seven generation to millet cenospecies, passes through the group of different generations specific selection-breeding method and Breeding Traits
It closes, to obtain drought resisting and the stable high yield coordinating and unifying, be bonded practical agricultural production demand, and is showed in terms of Comprehensive Traits
Time of infertility strong drought resistance, the good Millet Variety of nutrition on the basis of excellent.
Claims (7)
1. a kind of selection of the high-quality millet of drought resisting, it is characterised in that:The selection is selected in parallel using floods and droughts and pedigree
The continuously-directional selection that method combines, breeding operation and breeding standard include:
F1 generation:On the basis of determining that hybrid parent is cross-breeding, according to the feature of marker trait combination parents, mirror
Fixed true and false hybrid, obtains true hybrid, selects true hybrid single plant in the maturity period;
F2 generation:Using Natural infection method, disease resistance, breeding time, plant height and production are carried out to the true hybrid single plant that F1 generation obtains
The primary election of character is measured, indoor species test is combined after harvest, measure selected materials goes out paddy rate and mass of 1000 kernel, eliminates paddy rate and is lower than
75%, single plant of the mass of 1000 kernel less than 2.5 grams, final election go out elite seedling;
F3 generation:Using dense planting, artificial infection, air humidity increase and late growth stage manually shade water spray method creation have wholesome effects
The field microclimate that evil and lodging occur, the elite seedling selected to F2 generation carries out breeding, with lodging resistance, disease resistance, appearance product
Matter is as screening criteria;
F4 generation:Indoor species test is combined to screen after F3 to be substituted into the strain harvest of menu strain, the drought resistance, high yield to strain
Property, nutritional quality, Cooking Quality, exterior quality carry out primary election, determine emphasis combination target strain;
F5, F6 generation:The floods and droughts in continuous two generation is carried out since F5 generation to select in parallel, the target strain that F4 generation is selected is carried out degeneration-resistant
Property, productive, Cooking Quality, exterior quality, nutritional quality and floods and droughts condition adaptability multiple spot identification, screening elite plant strain,
Single plant;
F7 generation:The strain that F6 generation is selected is identified, confirms yield traits, resistance, Cooking Quality, exterior quality, nutrition
The Comprehensive Traits of quality are excellent, and time of infertility strong drought resistance, the good millet strain of nutrition, and carry out Genetic characteristics identification,
Insensitive strain is filtered out, the high-quality millet of the drought resisting as selected.
2. the selection of the high-quality millet of drought resisting according to claim 1, it is characterised in that:The crossbreeding is according to property
The principle of shape complementation selects breeding time less than 100 days, 2 grades of disease resistance using the method for sexual hybridization by Natural infection
Above true hybrid single plant.
3. the selection of the high-quality millet of drought resisting according to claim 1 or 2, it is characterised in that:The crossbreeding choosing
Parent, using objective trait as selection criteria, it is desirable that parent material Comprehensive Traits are preferable, and obvious shortcoming is not present;The mesh
Mark character include drought resisting, disease-resistant, high yield, it is high-quality at least one of character;The Comprehensive Traits include yield traits, agronomy
Shape, economic characters, whole characters of quality trait and resistance.
4. the selection of the high-quality millet of drought resisting according to claim 1, which is characterized in that the primary election standard in the F2 generation
For:2 grades of disease resistance or more under Natural infection, breeding time less than 100 days, 2 grades of lodging resistance or more, plant height be less than 1.8m, go out
Paddy rate is greater than 75%, mass of 1000 kernel and is greater than 2.5 grams.
5. the selection of the high-quality millet of drought resisting according to claim 1, which is characterized in that the screening criteria in the F3 generation
For:It is excellent that national second level is not less than to 2 grades of Major Diseases resistance or more, 2 grades of lodging resistance or more, exterior quality under Natural infection
Matter rice standard.
6. the selection of the high-quality millet of drought resisting according to claim 1, which is characterized in that the primary election standard in the F4 generation
For:To 2 grades of Major Diseases resistance or more, 2 grades of drought resistance or more under Natural infection, yield be not less than national area's examination control,
Single nutritional ingredient is not less than with veriety average content, and other index of quality are not less than national second level superior rice standard.
7. the selection of the high-quality millet of drought resisting according to claim 1, it is characterised in that:The identification in F5, F6 generation
Standard is:To 2 grades of Major Diseases resistance or more, 2 grades of drought resistance or more under Natural infection, yield is not less than national area's examination pair
It is higher than according to, single nutritional ingredient with 10% or more veriety average content, other index of quality are not less than national second level superior rice
Standard, super 3% or more the control of sufficient water, two kinds of condition yield of restricting water supply, the control is regional testing check variety or works as landlord
Plant kind.
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Cited By (3)
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CN112913559A (en) * | 2021-02-02 | 2021-06-08 | 唐山师范学院 | Chestnut-millet three-dimensional interplanting method with cooperative matching of chestnut-shade-resistant millet key growth stages |
CN114793891A (en) * | 2022-06-07 | 2022-07-29 | 辽宁省旱地农林研究所 | Identification method for drought tolerance of whole growth period of millet |
CN115152620A (en) * | 2022-08-04 | 2022-10-11 | 山西农业大学经济作物研究所 | Breeding method of drought-resistant high-quality millet |
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CN107155871A (en) * | 2017-07-03 | 2017-09-15 | 河北省农林科学院旱作农业研究所 | The selection of drought resisting high-quality millet |
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CN107155871A (en) * | 2017-07-03 | 2017-09-15 | 河北省农林科学院旱作农业研究所 | The selection of drought resisting high-quality millet |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112913559A (en) * | 2021-02-02 | 2021-06-08 | 唐山师范学院 | Chestnut-millet three-dimensional interplanting method with cooperative matching of chestnut-shade-resistant millet key growth stages |
CN112913559B (en) * | 2021-02-02 | 2022-05-20 | 唐山师范学院 | Chestnut-millet three-dimensional interplanting method with cooperative matching of chestnut-shade-resistant millet key growth stages |
CN114793891A (en) * | 2022-06-07 | 2022-07-29 | 辽宁省旱地农林研究所 | Identification method for drought tolerance of whole growth period of millet |
CN115152620A (en) * | 2022-08-04 | 2022-10-11 | 山西农业大学经济作物研究所 | Breeding method of drought-resistant high-quality millet |
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