CN107389871A - A kind of structural overall merit selection of cotton strain - Google Patents
A kind of structural overall merit selection of cotton strain Download PDFInfo
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- CN107389871A CN107389871A CN201710707925.3A CN201710707925A CN107389871A CN 107389871 A CN107389871 A CN 107389871A CN 201710707925 A CN201710707925 A CN 201710707925A CN 107389871 A CN107389871 A CN 107389871A
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Abstract
The invention provides a kind of structural overall merit selection of cotton strain.This method represents character by 13 kinds of cotton strain and carries out classification comparison, comprehensive analysis, 13 kinds of characters cover the correlated traits such as yield, fiber quality and the resistance of cotton strain, obtain representing the different index feature values (S) of evaluation seed selection cotton strain by the integrated use for the coefficient correlation investigated the desired value of various trait, compared and its between lint yield.Cotton strain yield, quality and the resistance result that Integrated comparative is selected again, filter out the coordinating and unifying, production strong adaptability, the more preferable cotton strain of stability.The structural overall merit selection to cotton strain of the present invention, it can accurately, quickly filter out target strain, the combination property of objective reaction target strain.
Description
Technical field
The present invention relates to cotton breeding technical field, the structural overall merit seed selection side of more particularly to a kind of cotton strain
Method.
Background technology
The factor that cotton breeding needs consider is a lot, and only high yield has been not suitable with the requirement in market.Therefore, educated in cotton
During kind, can embody the breeding factor that yield is high, strong stress resistance and fiber quality are good can all be used as new cotton variety to screen
Consideration.The cotton character of above-mentioned breeding factor, which can be embodied, to be had a lot, such as reflect lint yield key element, quality key element,
The characters such as degeneration-resistant key element, each combination or each target group can at least generate this sets of data, and excellent colony is even
Have individual Derived Populations tens of or even up to a hundred.Tens of caused by specification investigation to cover even sets of data up to a hundred, apparatus aids in addition
Large-scale data caused by carry out scale detection.Investigation character is more, scale is big, and caused magnanimity test data is to screening and evaluating
Cotton strain property causes great difficulty.Target strain is filtered out, it is necessary to carry out data comparison item by item to be accurate, time length,
Efficiency is low, error is big, or even target variety can be lost in mass data.Therefore, need badly and a kind of cotton strain is largely investigated
The method that data carry out structural comprehensive analysis.
The content of the invention
For problems of the prior art, the invention provides a kind of structural overall merit seed selection of cotton strain
Method, it can accurately, quickly screen the cotton strain of yield, quality and resistance stable coordination.
Technical scheme is as follows：
The invention provides a kind of structural overall merit selection of cotton strain, the evaluation selection bag
Include：
(1) yield index of cotton strain to be measured, is obtained, the yield index includes seed cotton yield X1, ginning outturn X2, Dan Ling
Weight X3, single basal munure X4 and son refer to X5；
The fiber quality traits of cotton strain to be measured are detected, the fiber quality traits include fibre length X6, specific strength
X7 and mic value X8；
The degeneration-resistant related character value of cotton strain to be measured is investigated, the degeneration-resistant related character value includes top percentage of injury
X9, kanamycins reactivity X10, droop refers to X11, verticillium wilt refers to X12 and breeding time X13；
(2), the data that the step (1) obtains are classified and integrated using formula shown in formula S1~formula S3 and formula S
Evaluation：
S1=X1 ÷ CKX1×0.9032+X2÷CKX2×0.9061+X3÷CKX3×0.5891+X4÷CKX4×0.7961+
X5÷CKX5×0.4621；
S2=CKX6÷X6×(-0.4831)+CKX7÷X7×(-0.6752)+X8÷CKX8×(-0.7958)；
S3=X9 ÷ CKX9×(-0.7945)+X10÷CKX10×(-0.6832)+X11÷CKX11×(-0.6906)+X12
÷CKX12×(-0.7906)+X13÷CKX13×(-0.2906)；
S=S1+S2+S3；
Wherein, CK is the corresponding character value of check variety；
Structural generalized analysis is carried out to cotton strain by the size of S values, S values are bigger to represent the comprehensive of cotton strain
It is better to close performance.
Preferably, the yield index of the cotton strain is calculated by indoor species test.
Preferably, the fiber quality traits of the cotton strain detect to obtain by field apparatus or indoor instrument.
Preferably, the degeneration-resistant related character value of the cotton strain is calculated by field investigation.
Compared with prior art, the present invention has advantages below：
13 kinds of characters that gined cotton quality can be represented are carried out comprehensive analysis by the present invention, based on the dependency relation between character
A kind of method for being capable of overall merit cotton strain is provided.This method includes yield index, fiber quality traits and resistance
Index of correlation, by represent different indexs character and its various trait between coefficient correlation obtain representing evaluation cotton
The different index features of strain.Cotton strain yield, quality and the resistance result that Integrated comparative is selected again, filter out coordination system
First, strong adaptability, the more preferable cotton strain of stability are produced.
The evaluation method of the present invention is entered by yield index, fiber quality traits and resistance index of correlation to gined cotton quality
Row comprehensive evaluation, by the way that main character is combined with coefficient correlation, the ratio of character numerical value and multiplying for coefficient correlation
Product represents the influence degree of this character pair cotton lint yield, all correlated traits ratios and the product and integral inverted of coefficient correlation
The level of strain should be screened, numerical value is bigger, and strain performance is more stable.The cotton of Integrated comparative is represented using the S values of the present invention
Flower quality parameter, it can accurately, quickly filter out target strain, the combination property of objective reaction target strain.
Embodiment
The present invention is directed to the mass data occurred during current cotton breeding, accurately quickly can not be sieved from mass data
The problem of choosing obtains target strain, there is provided a kind of structural overall merit selection of cotton strain, the evaluation seed selection
Method includes：Acquisition can react cotton strain yield index, fiber quality traits and degeneration-resistant related character value, then utilize
Above-mentioned character value obtains representing the formula of evaluation cotton strain difference index feature with coefficient correlation by mathematical statistics, leads to
Cross the quality parameter for the numerical values recited evaluation cotton strain that formula obtains.
In the present invention, the yield index of cotton strain, including seed cotton yield X1, ginning outturn X2, Single boll weight X3, single basal munure X4
And son refers to X5.Wherein, seed cotton yield is the weight for the belt cotton that cotton field directly harvests, and is typically represented with kg/acre；Ginning outturn refers to
Be the upper fiber of unginned cotton weight and unginned cotton's weight ratio, generally represented with percentage, be evaluate cotton variety quality one
Bar major criterion, that is, gined cotton account for the proportion of unginned cotton.Single boll weight represents the weight size of cotton boll, typically collects 50~200
Cotton boll, it is Single boll weight to weigh and calculate average；Son refers to as 100 weight with fuzzy cottonseed, generally in grams.
In the present invention, the yield index of above-mentioned cotton strain can be obtained by the conventional method of this area.Preferably, lead to
Cross indoor species test and calculate the concrete numerical value that seed cotton yield, ginning outturn, Single boll weight, single basal munure, son refer to.
The present invention represents the characteristic quantity about yield in cotton strain with S1.Wherein S1 is calculated by following formula
's：
S1=X1 ÷ CKX1×0.9032+X2÷CKX2×0.9061+X3÷CKX3×0.5891+X4÷CKX4×0.7961+
X5÷CKX5×0.4621； (1)
Wherein CK represents the value of the corresponding character of check variety.
Obtained seed cotton yield X1, ginning outturn X2, Single boll weight X3, single basal munure X4 and the sub character numerical value generation for referring to X5 will be measured
Enter in formula (1), this property is represented by the product of the ratio and coefficient correlation of target cotton strain and check variety character numerical value
Shape is to the influence degree of cotton lint yield, using the product of above-mentioned correlated traits ratio and coefficient correlation and as W-response institute
The yield level of cotton strain is screened, numerical value is bigger, and strain traits of yield is higher.
In the present invention, the fiber quality traits of cotton strain, including fibre length X6, specific strength X7 and mic value X8,
This three concepts are the leading indicator of cotton fiber quality.
Fibre length is single cotton fiber length, and usual unit is mm, can be obtained by fibre diagram machine measurement.This
Invention is not particularly limited to the species and model of fibre diagram machine, can measure the single cotton fiber length of cotton strain
Instrument, such as roller method of dividision into groups Y111 type roller type fibre diagram machines, comb tablet method of dividision into groups Y121 types adjust formula fiber
Length analyser, photoelectricity shine shadow method Y146 type photo-electric fibre diagram machines, and 430,530 numerical monitor fibre lengths shine shadow instrument
Etc..It can aid in surveying out fibre length by field apparatus, or cotton fiber is detected by above-mentioned indoor precision instrument and grown
Degree.
Specific strength be by unit mass calculate the strength of materials, be weigh material whether the index of high-strength light, with material
The ratio of intensity and apparent density calculates.In the present invention, what the specific strength of cotton fiber represented is that cotton fiber tension is strong
Degree, unit cN/tex.The specific strength of cotton fiber is by indoor precision instrument such as filamentary electrons strength tester detect
Arrive.
Mic value is the overall target for reflecting cotton fiber fineness and maturity, is that the important inherent quality of cotton fiber refers to
One of mark, it is in close relations with the use value of cotton fiber.Mic value is divided into A, B, C three-level, and B levels are standard level.A level value models
Enclose for 3.7~4.2, quality is best；B levels span is 3.5~3.6 and 4.3~4.9；C levels span is 3.4 and following
With 5.0 and more than, quality is worst.Specific measuring method is to be pressed into using pneumatic tester to determine the cotton fiber of constant weight
Gas permeability after fixed volume, and represented with the scale numerical value.Numerical value is bigger, represents that cotton fiber is thicker, maturity is higher.This hair
The bright mic value that cotton strain is preferably measured using the grand pneumatic tester of mark.Measuring method uses the general measuring method of this area
Measure.
The present invention represents the characteristic quantity of fiber quality traits in cotton strain with S2.Wherein S2 is calculated by following formula
Obtain：
S2=CKX6÷X6×(-0.4831)+CKX7÷X7×(-0.6752)+X8÷CKX8×(-0.7958)； (2)
Wherein CK represents the value of the corresponding character of check variety.
Only have the seed selection of fibre length and specific strength value to cotton strain in all negatively correlated characters in formula (2)
Say and be the bigger the better, therefore this two character numerical value carry out inverse ratios by fibre length and specific strength, so as to ensure all factors of S values
All develop to positive direction, and then compare beneficial to the overall of S values.So it is anti-that (2), which only have the two character values, in whole formula
Than.
The character numerical value for measuring obtained fibre length X6, specific strength X7 and mic value X8 is substituted into formula (2), led to
Cross the ratio of target cotton strain and check variety character numerical value and the product of coefficient correlation represents this character pair cotton gined cotton fibre
The influence degree of quality is tieed up, using the product of above-mentioned correlated traits ratio and coefficient correlation and screens cotton product as W-response
The fiber quality of system is horizontal, and numerical value is bigger, and strain fiber quality is better.
In the present invention, the degeneration-resistant related character value of cotton strain, including top percentage of injury X9, kanamycins reactivity X10,
Droop refers to X11, verticillium wilt refers to X12 and breeding time X13.
Top percentage of injury is harm ratio of the cotton-plant pest-insects such as bollworm to cotton plants grown on top point, is reflection cotton
One index of strain insect resistace.
At present, most of Bt gene pest-resistants cottons carry mosaic gene kanamycins, and its blade is to the processing of external source kanamycins
It is insensitive, rather than transgenic cotton against pests do not carry mosaic gene kanamycins, its blade is sensitive to the processing of external source kanamycins.Base
In principles above, an index of the leaf measure kanamycins reactivity as the pest-resistant performance of cotton strain is applied using kanamycins.
In cotton in seedling stage or growth animated period, tender leaf is smeared with kanamycins liquid, after a couple of days, is sentenced according to blade response situation
Not.The medicament reaction strain rate for occurring macula lutea using after blade coating is used as kanamycins reactivity.
Droop and verticillium wilt are the important disease in cotton disease, are had a great impact to cotton quality and yield.This
Droop is referred to and refers to the evaluation index as cotton strain resistance with verticillium wilt by invention.It is cotton to droop that droop, which refers to,
Resistance index, to embody an index of cotton strain anti-blight ability.Verticillium wilt refers to be referred to for cotton to the resistance of verticillium wilt
Number, to embody an index of cotton strain resisting verticillium ability.Droop of the present invention refers to the investigation and calculating referred to verticillium wilt
Method uses the conventional method in this area.It is preferred that droop refer to/verticillium wilt refers to and calculated in accordance with the following methods：
Droop refers to, and/verticillium wilt refers to=100 × ∑ (diseased plant numbers at different levels × typical value at different levels)/(investigates total strain number × highest
Level typical value).
In the present invention, breeding time refers to cotton from emergence to the number of days needed for blow-of-cottons.The length of cotton development stage, because kind,
Weather and cultivation condition it is different and different, the Upland Cotton applied in general production is about at 100~140 days.According to life
Production needs China to be divided into by breeding time length：Early maturity kind, also known as short season cotton, breeding time below 110 days, suitable summer sowing or
Summer sowing；Early-maturing variety, breeding time are 110~120 days, and suitable wheat set or late spring are broadcast；Early-medium maturing variety, utilize in production
Mostly this veriety, breeding time was at 120~135 days；Medium variety, 135~145 days breeding times；Middle-late ripening variety and late-maturing product
Kind, breeding time is more than 145 days.An index of the present invention using cotton development stage as evaluation cotton strain resistance.
The present invention represents the characteristic quantity of resistance index in cotton strain with S3.Wherein S3 is calculated by following formula
Arrive：
S3=X9 ÷ CKX9×(-0.7945)+X10÷CKX10×(-0.6832)+X11÷CKX11×(-0.6906)+X12
÷CKX12×(-0.7906)+X13÷CKX13×(-0.2906)； (3)
Wherein, CK is the corresponding character value of check variety.
The obtained top percentage of injury X9 of cotton, kanamycins reactivity X10 will be investigated, droop refers to X11, verticillium wilt refers to
X12 and breeding time X13 character numerical value is substituted into formula (3), passes through target cotton strain and the ratio of check variety character numerical value
The product of value and coefficient correlation represents the influence degree of this character pair cotton resistance quality, by above-mentioned correlated traits ratio and phase
Resistance product and that cotton strain is screened as W-response of relation number is horizontal, and numerical value is bigger, and strain anti-adversity ability is got over
By force.
S1, S2 and S3 reflect the one aspect of cotton strain yield, fiber quality and anti-adversity respectively.The present invention
By S1, S2 and S3 numerical value sum overall merit cotton strain performance.
S=S1+S2+S3 (4)
Structural generalized analysis is carried out to cotton strain by the size for comparing S values, S values are bigger to represent cotton strain
Combination property it is better, strain performance is more stable.
In the present invention, check variety is country or the check variety of province's regional testing determination, such as CCRI 41.
In the present invention, the coefficient correlation in formula S1~formula S3 is obtained by mathematical statistics.
Correlation coefficient r is calculated by following formula：
Wherein SP represents the sum of products of the deviation from average of x parameters and the deviation from average of y parameters, by formula S P=∑s xy- (∑ x
× ∑ y)/n is calculated, and n is corresponding x, y data group number of measure；The quadratic sum that SS represents deviation from average is referred to as quadratic sum,
SSx=∑s x2- ∑ x/n, (each character value in x representative sample cotton varieties)；SSy=∑s y2- ∑ y/n, (y represents control cotton product
Each character value in kind).
The overall merit breeding method of the present invention is applied to all cotton strains and evaluated.Include Handan cotton using strain
559th, Handan cotton 646, Handan cotton 6101, Handan 218, Handan cotton 3008, YM111, Handan cotton 3022, Handan cotton 3011, Handan cotton 3026, Handan cotton 6105
Deng.
For the object, technical solutions and advantages of the present invention are more clearly understood, the present invention is entered with reference to embodiment
Row detailed description, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
Overall merit is carried out by taking Handan cotton 559, Handan cotton 646 as an example.
Wherein CK is CCRI 41.
(1) seed cotton yield, ginning outturn, Single boll weight, single basal munure, the son that above-mentioned cotton variety is calculated by indoor species test refer to
Concrete numerical value.
Wherein, seed cotton yield is the weight for the belt cotton that cotton field directly harvests, and is represented with kg/acre；Ginning outturn is gined cotton
Weight accounts for the percentage of unginned cotton weight, gined cotton weight/unginned cotton weight * 100%；Single boll weight is being averaged of collecting that 50 cotton bolls draw
Single boll weight amount, represent the size of cotton boll；Single basal munure is the cotton boll number in every plant of cotton plants；Son refers to carries short flannel for 100
Cottonseed weight.
(2) fiber that above-mentioned cotton variety is detected by instrument HFT9000 Large Copacity fiber check and measure instrument (ZXYQ09-1) is grown
Degree, specific strength and mic value.Detection method is according to GB/T20392-2006《HVI Physical Properties of Cotton Fibres test methods》.Its
In, fibre length is single cotton fiber length, unit mm；What specific strength represented is cotton fiber tensile strength, unit cN/
tex；Mic value represents the maturity and fineness of cotton fiber, without unit.
(3) field apparatus auxiliary detection insect resistace, top percentage of injury, the kanamycins that investigation calculates above-mentioned cotton variety are anti-
Should rate, droop refers to, verticillium wilt refers to and breeding time and degeneration-resistant related character value.
Wherein, top percentage of injury is harm ratio of the bollworm to cotton plants grown on top point；
Kanamycins reactivity is to react strain rate, each material choosing with the medicament after kanamycins liquid medicine painting cotton plants
20 plants are selected, is smeared using kanamycins medicament, blade macula lutea strain number is investigated after 5-7 days, calculates reaction strain rate；
Droop refers to the resistance index to droop for cotton, and verticillium wilt refers to the resistance index to verticillium wilt for cotton, disease
Refer to=[diseased plant numbers at different levels are multiplied by corresponding series sum ÷ (investigation total strain number × highest series) respectively] × 100%, droop refers to
Referring to calculation formula with verticillium wilt is：(1 × Z1+2 × Z2+3 × Z3+4 × Z4)/4 × Σ Z × 100%, 1,2,3,4 represent respectively
Onset grade；Z represents diseased plant numbers at different levels.
Breeding time is number of days of the cotton from emergence to blow-of-cottons.
(4) complete test data is compared by different level, numerical value is bigger, and strain performance is more stable.
S1 (yield)=X1 ÷ CKX1×0.9032+X2÷CKX2×0.9061+X3÷CKX3×0.5891+X4÷CKX4×
0.7961+X5÷CKX5× 0.4621, X1, X2, X3, X4, X5 represent seed cotton yield, ginning outturn, Single boll weight, single basal munure, son respectively
Refer to.
S2 (quality)=CKX6÷X6×(-0.4831)+CKX7÷X7×(-0.6752)+X8÷CKX8× (- 0.7958),
Wherein X6, X7, X8 represent fibre length, specific strength, mic value respectively.
S3 (resistance)=X9 ÷ CKX9×(-0.7945)+X10÷CKX10×(-0.6832)+X11÷CKX11×(-
0.6906)+X12÷CKX12×(-0.7906)+X13÷CKX13× (- 0.2906), wherein X9, X10, X11, X12, X13 are distinguished
Represent that top percentage of injury, kanamycins reactivity, droop refer to, verticillium wilt refers to, breeding time.
Structural generalized analysis is carried out to S values：
S (yield+quality+degeneration-resistant character)=S1+S2+S3.
By the comparison of S value sizes, target strain is filtered out, the combination property of the bigger strain of S values is better.
Table 1 has authorized the various trait value of cotton strain and S values compare
It is calculated by upper table, the S values of Handan cotton 559 are -0.5613, and the S values of Handan cotton 646 are -0.4463, CCRI 41
S values be -1.5470.Handan cotton 559, Handan cotton 646 show as Single boll weight height, up to 6.5-7 grams, production relative to control CCRI 41
Amount is high, easily harvesting, and high yield plot seed cotton yield is up to 350-400 kgs/acre；Fiber quality is good, and it is anxious to substantially conform to production at present
Double 30 needed require that the level of quality of kind has reached machine pick cotton requirement；Simultaneously resistance to withered, verticillium wilt, Gao Kangmian are showed in production
Earworm, Whole stress resistance is strong, and field planting application actual conditions are relatively consistent with the overall structure of test data.The He of Handan cotton 559
646 liang of kinds of Handan cotton have been authorized by country.The present embodiment can illustrate that the method for the present invention can quickly and accurately reflect
The integrated performance index of cotton strain, therefore, integrated evaluating method of the invention can be used as in breeding process and screen target cotton
The foundation of flower strain.
Embodiment 2
Seed selection step and Process of Comprehensive Assessment are the same as embodiment 1.
The cotton strain various trait value and S values of 2 newest seed selection of table compare
It is calculated by upper table, Handan cotton 6101, Handan 218, Handan cotton 3008, YM111, Handan cotton 3022, Handan cotton 3011, Handan cotton
3026th, the S values of Handan cotton 6105 are above compareing CCRI 41.Integrated data compares and the actual trait expression phase with new lines
The general performance of the economical characters such as symbol, new lines yield, quality, resistance is better than check variety, and is obtained in pilot production
Embody and verify.For example, YM111 kinds, yield is high (reachable apparently higher than check variety CCRI 41, Single boll weight in production
6.0-6.5 grams), knot bell is strong, and seed cotton yield high yield is up to 410 kilograms；Fiber quality is excellent, and especially specific strength is higher, meets
Weaving requires；And performance anti-blight (disease refers to less than 10), resistance to verticillium wilt (disease refers to 22, close to anti-), high resistance helicoverpa armigera is overall
Check variety is performed clearly better than, production application is worked well, and the kind is authorized by country at present.For another example Handan cotton 6101
Kind, pilot production Single boll weight is up to 6.35 grams, and knot bell is strong, and boll per plant is big 19.1, and blow-of-cottons are smooth, easily harvesting, unginned cotton's production
Amount is reachable 350 kgs/acre, nearly 400 kgs/acre of yielding Demonstration, and yield level is horizontal close to Super-high-yielding；HFT9000 Large Copacities are fine
Tie up detector (ZXYQ09-1) and carry out fiber quality detection, fibre length more than 30mm, specific strength more than 30cN/tex, kind
Level of quality has reached machine pick cotton requirement；Simultaneously resistance to withered, verticillium wilt, high resistance helicoverpa armigera are showed in production；The overall water of the kind
It is flat to be also significantly better than check variety, and production application effect is good, is consistent with S value structure estimatings, the kind is participated at present
Cotton Breeding in Hebei Province regional testing and pilot production, and enter national Huanghe valley Regional Test of Cotton Varieties.Another Handan
The kind of cotton 3022, with 400 kgs/acre of superelevation yield, super double 30 fiber quality and stronger pest and disease resistance of its unginned cotton
Have been enter into Cotton Breeding in Hebei Province regional testing.The successful seed selection of above kind illustrates that the method for the present invention can quickly, accurately
Ground reflects the integrated performance index of cotton strain, and the evaluation of science can be carried out to the integral level of new lines.Therefore, it is of the invention
Overall merit selection can as in breeding process screen target cotton strain foundation.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (4)
1. the structural overall merit selection of a kind of cotton strain, it is characterised in that the evaluation selection includes：
(1) yield index of cotton strain to be measured, is obtained, the yield index includes seed cotton yield X1, ginning outturn X2, Single boll weight
X3, single basal munure X4 and son refer to X5；
Detect the fiber quality traits of cotton strain to be measured, the fiber quality traits include fibre length X6, specific strength X7 and
Mic value X8；
The degeneration-resistant related character value of cotton strain to be measured is investigated, the degeneration-resistant related character value includes top percentage of injury X9, card
That mycin reactivity X10, droop refers to X11, verticillium wilt refers to X12 and breeding time X13；
(2), the data that the step (1) obtains are classified and overall merit using formula shown in formula S1~formula S3 and formula S：
S1=X1 ÷ CKX1×0.9032+X2÷CKX2×0.9061+X3÷CKX3×0.5891+X4÷CKX4×0.7961+X5÷
CKX5×0.4621；
S2=CKX6÷X6×(-0.4831)+CKX7÷X7×(-0.6752)+X8÷CKX8×(-0.7958)；
S3=X9 ÷ CKX9×(-0.7945)+X10÷CKX10×(-0.6832)+X11÷CKX11×(-0.6906)+X12÷
CKX12×(-0.7906)+X13÷CKX13×(-0.2906)；
S=S1+S2+S3；
Wherein, CK is the corresponding character value of check variety；
Structural generalized analysis is carried out to cotton strain by the size of S values, S values are bigger to represent the comprehensive of cotton strain
Can be better.
2. integrated evaluating method according to claim 1, it is characterised in that the yield index of the cotton strain passes through room
Interior species test is calculated.
3. integrated evaluating method according to claim 1, it is characterised in that the fiber quality traits of the cotton strain lead to
Cross field apparatus or indoor instrument detects to obtain.
4. integrated evaluating method according to claim 1, it is characterised in that the degeneration-resistant related character value of cotton strain
It is calculated by field investigation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108504763A (en) * | 2018-05-24 | 2018-09-07 | 中国农业科学院棉花研究所 | Identify primer sets and its application of cotton variety YM111 authenticities and seed purity |
| CN109937829A (en) * | 2019-04-03 | 2019-06-28 | 湖南省棉花科学研究所 | A kind of preferred field trial method of cotton variety |
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