CN108235904A - A kind of kind of precocity cotton variety is kept and process for preparing protospecies - Google Patents
A kind of kind of precocity cotton variety is kept and process for preparing protospecies Download PDFInfo
- Publication number
- CN108235904A CN108235904A CN201810111884.6A CN201810111884A CN108235904A CN 108235904 A CN108235904 A CN 108235904A CN 201810111884 A CN201810111884 A CN 201810111884A CN 108235904 A CN108235904 A CN 108235904A
- Authority
- CN
- China
- Prior art keywords
- cotton
- plant
- seed
- cotton variety
- precocious
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
Abstract
Kind holding and process for preparing protospecies the invention discloses a kind of precocious cotton variety.The kind of precocity cotton variety provided by the present invention is kept and process for preparing protospecies, is the seed production that precocious cotton variety is realized by using " mixed choosing is mixed numerous " method, includes the following steps：Sowing date for early sowing thin planting；Diseased plant is gone in initial bloom stage impurity elimination；Term of opening bolls roguing；Fibre length is surveyed, flower is received in grouping；Final election typical case's single plant group；The seed mixing of selected typical single plant group is original seed.The method of the precocious cotton variety original seed of present invention production is without links such as Single-plant selection, plant and strain identifications, but in the intermediate link using seed production breeding, by breeding field large area, more single plants screen, and trade space for time, shorten the seed production time limit.The original seed of precocious cotton variety its purity produced using the method for the present invention reaches 99.9%, and maintain the plant type, blade profile and bell type of precocious cotton variety, maintains the strong and disease-resistant characteristic of the precocity of kind, knot bell.
Description
Technical field
The invention belongs to agriculture fields, are related to kind holding and the process for preparing protospecies of a kind of precocious cotton variety.
Background technology
Heredity and variation are the essential attributes of biology, and upland cotton (Gossypium hirsutum L.) is allotetraploid
Cultigen, and be often cross-pollinated plant, it is impossible for making a cotton variety invariability.Kind property is gene
It is formed under certain conditions, the selection and breeding of each generation and breeding environmental condition are unlikely to be absolutely identical in production, temperature
Degree, humidity, illumination, soil and Different Crop crops for rotation condition may make cotton generate natural variation.Cotton natural variation is
The adaptability direction of environment is developed towards cotton itself, and requirement of the people to output of cotton and quality and cotton itself are to ring
The adaptation in border is often contradiction.Therefore, in the case where being not added with artificial selection, natural variation can gradually make improved seeds kind
It changes, is formed and degenerated, directly translate into variety decline.Cotton seed degeneration refers to the differentiation of the certain economic performances of cotton seed not
Accord with the requirement of the mankind, such as fiber shortens, ginning outturn reduces and cotton boll becomes smaller, so that life cannot be met in quality and yield
The requirement of development is produced, the decline of this economic performance is referred to as to degenerate.
Cotton original seed refers to the kind of stabilization characteristics of genetics or the initial batch of seeds of parent of breeder's incubation, purity
It is 100%.It is the basic bacteria of reproduction improved variety.Cotton original seed refers to advise with 1~3 generation of breeding stock or by seed production technology
Purity of the purity of journey production more than 99.9% is higher, quality is preferable, and can further be used for reproduction improved variety basic
Seed.Cotton breeding refers to the seed produced by the original seed or an original seed generation of this kind.
100-120 days general breeding time of cotton prematurity kind, main morphological traits of tea plant and feature, emergence gesture is general, early period
Growth rate of cotton plant is steady, and plant type is compact, plant height 70-80cm；Fruit branch begins to save 5-6 sections, and blade is smaller；Knot bell of blooming is early and concentrates, knot
Bell is strong, and bell is medium smaller, bell weight 5.0-6.0g；Ginning outturn 38%-42%, seed is smaller, and son refers to 9.5-11.5g；Blow-of-cottons are smooth, wadding
Color is pure white, easily picks；Fiber quality is II types or type III.Suitable for the crops such as wheat, barley, rape, potato and garlic and vegetable
It is planted after dish harvest.Such cotton variety gives full play to what its precocious and blow-of-cotton was concentrated by high-density planting, mechanized harvesting
Advantage becomes the optimal selection of China Agricultural Structure Adjustment.Therefore, the seed production of early-maturing variety and kind property pure keeping technology seem
It is particularly important.
The cotton process for preparing protospecies that China carries out at present have 3 years three-field systems, 3 years two garden systems, improvement mode mix choosing and
Selfing it is mixed it is numerous wait process for preparing protospecies, the advantages of these methods is by Single-plant selection, the identification of plant strain, is selected in system as base
Plinth seed, carries out breeding stock, and the seed production of mid-early maturity ripe cotton variety in generally uses the above method.It is the drawback is that all
Phase is long, heavy workload, unavoidably generates new variation in the process, for the larger early-maturity cotton kind of thickness of sowing not
It is applicable in completely.
Invention content
In order to effectively solve the above problems, the present invention proposes " mixed choosing is mixed numerous " in view of the feature of precocious cotton variety
Kind keep and process for preparing protospecies.
The process for preparing protospecies of precocity cotton variety provided by the present invention is using no less than 2000 typical single plant compositions
" mixed choosing mixed numerous " method carry out breeding stock production, it may include following steps：Sowing date for early sowing thin planting；Diseased plant is gone in initial bloom stage impurity elimination；
Term of opening bolls roguing；Fibre length is surveyed, flower is received in grouping；Final election typical case's single plant group；The seed of selected typical single plant group mixes
Original seed.
Further, the process for preparing protospecies of precocious cotton variety provided by the present invention, it may include following steps：
It (a), 7-10 days ahead of time will be early compared with the precocious summer cotton planting time (generally mid or late May) in Cotton Production
Ripe cotton variety is seeded on seed production field, and density is the 75%-85% (such as 80%) of Production of Large Fields.
(b) cotton hybrid strain and the diseased plant of precocious cotton variety seed production Tanaka is pulled out during initial bloom stage.
(c) term of opening bolls selects the typical single plant of precocious cotton variety according to plant type, blade profile and bell type.
(d) during more than 95% cotton boll blow-of-cottons (before the latest frost phase), measure cotton fiber length, not less than the kind country or
The single plant of fibre length data is selected in provincial authorization bulletin, and it is one group to be selected in single plant 10, and grouping is mixed to receive, and records bell number.
In one embodiment of the invention, the precocious cotton variety is nakamise 50.It is correspondingly, required in the step
Cotton fiber length be more than 29mm.
(e) according to the typical single plant group of following standard final election precocity cotton variety：Bell weight, ginning outturn, son refer to, fibre length, ratio
The single plant group that intensity and mic value meet in kind country or provincial authorization bulletin in 5% amplitude range is selected in.
In one embodiment of the invention, the precocious cotton variety is nakamise 50.Correspondingly, it is required in the step：
Bell weight 4.9-5.6g, ginning outturn 37.6%-42.5%, son refer to 9.6-10.7g, fibre length 28.0-30.9mm, specific strength 27.5-
29.3cN·tex-1With mic value 4.2-4.6.
(f) it is original seed to mix the seed of typical single plant group being selected in step (e).
Further, in step (a), the time precocious cotton variety being seeded on the seed production field is May 10
Day to May 20 (such as May 15 to May 18)；Density is 3700-4300 plants/acre (such as 4000 plants/acre).
Further, in step (b), described " initial bloom stage pulls out the cotton hybrid strain of precocious cotton variety seed production Tanaka
And diseased plant " according to being implemented as described below：Initial bloom stage (first period that the flowers are in blossom puts of 10% plant i.e. in cotton field), Shine Early cotton product
The blade profile of kind and the feature of plant type show as the small upper act of leaf, and plant type is compact, plant cartridge type or tower, and most easily identification is big at this time
Leaf color is shallow, plant is tall and big, the small and weak two classes hybrid strain of leaflet color depth, plant, meanwhile, cotton plant is short and small, and leaf color is partially deep, and plant one side of something stunts
For blade in the droop morbidity strain of yellow reticulate pattern, initial bloom stage is particularly evident, easily pulls out.
In one embodiment of the invention, the precocious cotton variety is nakamise 50.Correspondingly, in step (b), it is described
" initial bloom stage pulls out cotton hybrid strain and the diseased plant of 50 seed production Tanaka of nakamise " is specifically what basis was implemented as described below：Initial bloom stage
(first period that the flowers are in blossom puts of 10% plant i.e. in cotton field), the blade profile of nakamise 50 and the feature of plant type show as leaf
Small upper act, leaf color is medium, plant tower, most easily identifies that big leaf color is shallow, plant is tall and big at this time, small and weak two class of leaflet color depth, plant
Hybrid strain, meanwhile, cotton plant is short and small, and leaf color is partially deep, plant one side of something stunt blade in yellow reticulate pattern droop morbidity strain, initial bloom stage
It is particularly evident, easily pull out.
Further, in step (c), described " term of opening bolls selects the allusion quotation of precocious cotton variety according to plant type, blade profile and bell type
Type single plant " basis is implemented as described below：In the term of opening bolls (dates of 50% first cotton boll blow-of-cotton of cotton plant), variable rate technology is blade profile
It is small, leaf color is deep or shallow, bell circle or oval, bell point is apparent or without point, plant cartridge type or tower, plant height 70-80cm, resistance to verticillium wilt and
The cotton plant of blow-of-cottons is precocious cotton variety typical case's single plant.
In one embodiment of the invention, the precocious cotton variety is nakamise 50.Correspondingly, in step (c), it is described
" term of opening bolls selects the typical single plant of nakamise 50 according to plant type, blade profile and bell type " is specifically what basis was implemented as described below：The term of opening bolls
(dates of 50% first cotton boll blow-of-cotton of cotton plant), variable rate technology are that blade profile is small, leaf color is deep, and bell circle is without point, plant tower, strain
The cotton plant of high 70-75cm, resistance to verticillium wilt and blow-of-cottons is the typical single plant of nakamise 50.
Further, in step (d), the selected single plant is in addition to cotton fiber length is not less than authorization advertisement data
Outside, it should also have that blow-of-cottons are smooth, wadding color is pure white, the characteristics of easily picking.Wherein, the method for measuring cotton fiber length can be hand
Pull ocular estimate.
More specifically, the hand pull ocular estimate operation it is as follows：Normal blow-of-cottons in the middle part of cotton plant are won on single plant to be measured
Cotton boll unginned cotton takes a valve unginned cotton, is divided into two from its top, and the seed of extraction belt fiber is with the hands stitched from seed by fiber
Left and right point comb both sides, hand pull range estimation fibre length.
In the method, the number of the typical single plant selected in step (c) be preferably 4000 plants or more (such as
4000 plants), and listing mark；The number of the selected single plant is preferably 2500 plants or more in step (d)；In step (e)
The selected single plant group is preferably 200 groups or more (containing at least 2000 typical single plants i.e. in final election single plant groups).
Further, the method be applicable to China Yellow River basin cotton region or with it with equal ecological condition
Place carries out.
In addition, following any application is also claimed in the present invention：
(I) process for preparing protospecies of precocious cotton variety provided by the present invention is in the kind of the precocious cotton variety is kept
Application；
(II) process for preparing protospecies of precocious cotton variety provided by the present invention is in the breeding for producing the precocious cotton variety
In application.
In (II) described application, after a breeding stock generation for precocious cotton variety, the seed of original seed generation production is utilized
The as breeding of the kind.
In the above method and application, above-described precocity cotton variety concretely nakamise 50.
Further more, a kind of process for preparing protospecies of cotton is also claimed in the present invention, with morning provided by the present invention above
The process for preparing protospecies of ripe cotton variety is compared, the difference is that being target cotton product by the kind feature replacement of wherein precocious cotton variety
Specific kind of property feature of kind；The target cotton variety is the cotton variety suitable for carrying out seed production using this method.
The present invention was put into practice by the Mature breeding and seed production of continuous 13 years, formd the kind of stable precocious cotton variety
Property keep and process for preparing protospecies.Specifically according to the characteristics of the plant type of precocious cotton variety, blade profile and bell type, with reference to the veriety
Precocity, knot bell in scientific research breeding and production planting process be strong and disease-resistant hereditary capacity and growth-development law, it is proposed that
Precocious cotton variety seed production pure keeping impurity elimination critical period and identification method, using no less than 2000 typical single plants, " mixed choosing is mixed
It is numerous ", it is ensured that the lasting holding of the genetic equilibrium of kind and kind property, form sowing date for early sowing thin planting, just spent miscellaneous, blow-of-cottons roguing,
Choosing is mixed before frost, point receives singly to roll and is kept with the Shine Early cotton Different Varieties of the links such as single plant group final election and seed production technology, utilizes this
The original seed of technology production, purity reach 99.9%.
The present invention has the following advantages compared with prior art.
1st, when the Shine Early cotton in the kind holding and seed production, with Cotton Production of the precocious cotton variety in the present invention is sowed
Between compare, 7-10 days ahead of time, improve seed purity and maturity.In Cotton Production, the general mid or late April sowing of spring cotton variety,
The precocious general mid or late May sowing of summer cotton kind, the seed production field requirement sowing on May 10 to May 20 of precocious cotton variety,
Density is the 75%-85% of Production of Large Fields, on the one hand can improve the maturity of cotton plant top cotton seeds, improves summer cotton kind kind
The quality of son, is conducive to germination and emergence；On the other hand it sows ahead of time, the growth and development time of precocious summer cotton kind and space are filled
Foot, characteristic and growing way appearance can fully show, and help to differentiate and pull out hybrid strain, improve the purity of seed.Sowing is too early, early period
Temperature is relatively low, and nutrient growth is slower, cotton stem shortened internodes, the first fruit branch section position 5-6 sections, later into nutrient growth and life
Reproductive growth is gone forward side by side the phase, cause summer cotton kind budding bloom knot bell it is partially early, position is relatively low, and cotton plant is short and small, and leaf color deepens, cotton product
Kind of characteristic is difficult to show, and to the later stage, and lower part cotton boll meets the rotten bell of rain, seriously affects seed quality；Too late, cotton blooms for sowing
It ties bell blow-of-cottons to postpone, flower rate is low before frost, influences kernel maturing, reduces seed quality.
2nd, cotton hybrid strain is pulled out during the initial bloom stage of seed production field in the present invention, this period is most easily to identify precocious cotton variety strain
The critical period of type blade profile.Precocious cotton variety is sowed May 10 to May 20, at the beginning of flowering time is generally 7 months by the end of June, cotton field
The flowers are in blossom puts referred to as initial bloom stage for interior 10% cotton plant first, there is 6-8 fruit branch at this time.Just spend front and rear, the blade profile of precocious cotton variety
Apparent with the feature performance of plant type, the small upper act of leaf, plant type is compact, and plant cartridge type or tower most easily identify big leaf color at this time
The shallow, hybrid strains such as plant is tall and big, and leaflet color depth, plant are small and weak, meanwhile, " half of wind " is presented in droop morbidity strain, and plant one side of something is short
Contracting morbidity, cotton plant is short and small, and leaf color is partially deep, and initial bloom stage is particularly evident, easily pulls out.Importantly, 90% cotton plant is not opened also
Flower, timely roguing go diseased plant, can prevent unfavorable character from avoiding biology hybrid by going here and there powder crossed wild boar to offspring.
3rd, the field cotton boll blowing phase selects typical single plant, and listing mark according to " three types " in the present invention, has caught field
The critical period of the precocious cotton variety typical case's single plant of selection.The date of 50% first cotton boll blow-of-cotton of cotton plant, referred to as blow-of-cottons by the end of August
Phase, at this time on the one hand, plant type, blade profile and the bell type feature of cotton variety are presented comprehensively；On the other hand, in Yellow River basin cotton region,
For annual August before and after 25 days, heavy cotton wants one of disease verticillium wilt to occur, the plant height of precocious cotton variety, prematureness, disease-resistant and knot bell
It fully demonstrates by force.Select the time too early, prematureness, knot bell, the disease resistance difficulty of kind are made an accurate selection of；Too late, blade is fallen ill very for selection
To coming off, cotton boll blow-of-cottons, blade profile and bell type can not judge.
4th, the unginned cotton that normal blow-of-cottons cotton boll in the middle part of listed cotton plant is won before spending is received in the present invention, it is preliminary to pull method field using hand
Identify cotton fiber length, range estimation fibre length not less than in variety certification bulletin fibre length data, blow-of-cottons are smooth, wadding color is clean
In vain, the single plant easily picked is selected in, and is grouped mixed receipts, by group species test and fiber check and measure, can reduce species test workload and reduce fiber
Testing cost.
5th, the kind of mid-early maturity cotton variety of the present invention is kept and seed production is identified without Single-plant selection, plant and strain
Etc. links, but using seed production breeding intermediate link, by breed field large area, more single plants screen, changed with space
Time shortens the seed production time limit.
6th, breeding stock production is carried out using " mixed choosing is mixed numerous " method of no less than 2000 typical single plant compositions in the present invention,
It not only maintains plant type, blade profile and the precocity of bell type and kind of precocious cotton variety, tie the strong and disease-resistant characteristic of bell, but also
Maintain hereditary basis wide in variety, it is ensured that the genetic equilibrium of Shine Early cotton varietal population improves the inheritance stability of kind
Property, it forms precocious cotton variety sowing date for early sowing thin planting, just spent miscellaneous, blow-of-cottons roguing, the kind by the mixed receipts of group and single plant group final election
It keeps and seed production technology.
Description of the drawings
Fig. 1 is kept for Shine Early cotton Different Varieties and process for preparing protospecies flow chart.
Specific embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Nakamise 50：Be recorded in " fast, Fan Shuli, Huang Zhenmao are set in 50 breediness of nakamise and cultural technigue analogies,
Song Mei treasure's Cottons, 2005,32 (10):25~26 " one texts, the public can obtain at applicant, can only be used to repeat this hair
Bright experiment uses.
Shine Early cotton Different Varieties provided by the present invention are kept and process for preparing protospecies (Fig. 1), including：
1st, sowing date for early sowing thin planting
Precocious cotton variety seed production field does sth. in advance to sow for 7-10 days, and in Cotton Production, spring cotton variety general mid or late April is broadcast
Kind, the precocious general mid or late May sowing of summer cotton kind, the seed production field seed requirement of precocious cotton variety does sth. in advance 7-10 days in 5
The moon 10 to May 20 is sowed, and 3700-4300 plants/acre of density is the 75%-85% of Production of Large Fields, and cotton variety has sufficient
Growth and development time and space, growth developmental characteristic and growing way appearance are fully shown, help to differentiate and pull out hybrid strain, are improved
The purity of seed and the maturity of cotton plant top cotton seeds.
2nd, diseased plant is gone in initial bloom stage impurity elimination
At the beginning of seed production field flowering time is generally 7 months by the end of June, the flowers are in blossom puts for 10% plant first in cotton field, claims
For initial bloom stage.Before and after just spending, the blade profile of precocious cotton variety and the feature of plant type show as the small upper act of leaf, and plant type is compact, plant
Strain cartridge type or tower, most easily identify that big leaf color is shallow, plant is tall and big at this time, the small and weak two classes hybrid strain of leaflet color depth, plant, meanwhile, it is withered
Disease of withering morbidity strain present " half of wind ", cotton plant is short and small, and leaf color is partially deep, plant one side of something stunt blade be in yellow reticulate pattern droop
Morbidity strain, initial bloom stage is particularly evident, easily pulls out.Importantly, 90% cotton plant is not bloomed also at this time, timely roguing
Diseased plant is gone, unfavorable character can be avoided to prevent biology hybrid by going here and there powder crossed wild boar to offspring.
3rd, term of opening bolls roguing
On the date of seed production field 50% first cotton boll blow-of-cotton of cotton plant by the end of August, referred to as the term of opening bolls, the term of opening bolls are cottons
Precocial important character is spent, the plant type of cotton variety, blade profile and bell type are shown comprehensively at this time, and in Yellow River basin cotton region,
For annual August before and after 25 days, heavy cotton want the generation of one of disease verticillium wilt, so, the plant height of cotton variety, prematureness, disease resistance,
Knot bell fully demonstrates, and is the critical period of the precocious cotton variety typical case's single plant of selection at this time, and variable rate technology is that blade profile is small, leaf color is deep
Or shallow, bell circle or oval, bell point is apparent or without point, plant cartridge type or tower, plant height 70-80cm, the cotton of resistance to verticillium wilt and blow-of-cottons
Strain is precocious cotton variety typical case's single plant, and precocious cotton variety typical case single plant 4000 is strictly screened by breeding or breeding professional field
It is a, and listing mark.Select the time too early, prematureness, knot bell, the disease resistance difficulty of kind are made an accurate selection of；Too late, blade is fallen ill even
It comes off, blade profile and leaf color can not judge.
4th, hand pulls range estimation fibre length, and flower is received in grouping
Before and after October 25, i.e., before the latest frost phase, on the cotton plant of field during more than 95% cotton boll blow-of-cottons, method field is pulled using hand
Between Preliminary Identification cotton fiber length, not less than fibre length in kind country or provincial authorization bulletin, blow-of-cottons are smooth, wadding color is clean
In vain, the single plant easily picked is selected in, and selected single plant is no less than 2500 plants, and specific practice is：It is won from listed single plant in the middle part of cotton plant
Normal blow-of-cottons cotton boll unginned cotton, takes a valve unginned cotton, is divided into two from its top, the seed of extraction belt fiber, with the hands from seed
Fiber or so point comb both sides, hand are pulled range estimation fibre length by seam.Later, it is one group to be selected in single plant 10, is grouped mixed receipts, records bell
Number.
5th, final election typical case single plant group
The unginned cotton that 10 single plants are one group is weighed, and seed cotton heavy/bell number is bell weight；Grouping individually cotton ginning, the gined cotton after cotton ginning
It weighs with seed, the percentage that gined cotton accounts for seed cotton heavy again is ginning outturn；Gined cotton is uniformly mixed, and every group of sampling 30g send Ministry of Agriculture's fiber
Quality supervision verification test Spot detection；100, seed is taken to be weighed as son at random to refer to.Comprehensive species test and fiber check and measure are as a result, bell
Weight, ginning outturn, son refer to, fibre length, specific strength and mic value meet kind country or provincial authorization bulletin in 5% amplitude
In the range of single plant group seed be selected in, selected single plant group is no less than 200, i.e. no less than 2000 single plants.
6th, the seed mixing for being selected in typical single plant group is original seed
Using selected single plant group, i.e., the seed of no less than 2000 typical single plants is mixed to form original seed, original seed at this time
The plant type, blade profile and bell type of kind are not only maintained, the precocity of kind is maintained, ties the strong and disease-resistant characteristic of bell, it is heavier
That wants has been to maintain hereditary basis wide in variety, it is ensured that the genetic equilibrium of Shine Early cotton varietal population improves the something lost of kind
Stability is passed, after a breeding stock generation for precocious cotton variety, the seed produced using an original seed generation is cotton breeding.
Embodiment 1, the kind of Yellow River basin cotton region precocity cotton variety nakamise 50 is kept and seed production
In Yellow River basin cotton region, precocious cotton variety nakamise 50 by sowing date for early sowing thin planting, just spent miscellaneous, blow-of-cottons roguing,
Mixed before frost receive, point receive singly roll, the original seed of the links production such as typical single plant group final election and selected typical single plant group seed mixing, keep
The characteristic that kind is precocious, knot bell is strong and disease-resistant, blow-of-cottons are concentrated, and are suitble to high-density planting, mechanized harvesting.From authorization so far,
Continuous 13 years are country, Henan Province and the examination of Jiangsu provinces and regions provide seed and compares kind, are recommended as the Ministry of Agriculture and dominate cotton within continuous 7 years
Flower variety provides introduces a collection, while pacifying for experiment and demonstration is transplanted or be broadcast live after the wheat of the Yellow River basins cotton region such as Henan, Shandong, Hebei
The Yangtze river basin cotton region on the ground such as emblem and Jiangsu carries out wheat (oil) and experiment and demonstration is broadcast live afterwards, is that China Agricultural Structure Adjustment and peasant increase
Produce the optimal selection increased income.
The kind of Yellow River basin cotton region precocity cotton variety nakamise 50 is kept and seed production specific technical solution is as follows：
(a) 50 kinds of property features of nakamise, 105 days breeding times, main morphological traits of tea plant and feature, emergence is general, early period cotton
Strain growth is steady, and plant turriform, plant type is compact, plant height 70-75cm；Fruit branch begins to save 5.6-5.7 sections, and blade is smaller, dark green leaf color；
Knot bell of blooming is concentrated, and knot bell is strong, and bell circle is without point, and bell face is smooth, bell weight 5.0-5.3g；Ginning outturn 39.6%-40.5%, son refer to
10.2g；Blow-of-cottons are smooth, and wadding color is pure white, easily picks；Fibre length 29.5mm, specific strength 27.9cNtex-1, mic value 4.4, fibre
Tie up quality category type III.
(b) in Yellow River basin cotton region, a 50 original seed generation of nakamise was sowed 15 to 18 May, line-spacing 70cm, spacing in the rows
Management and the cotton production fields such as 24cm, 4000 plants/acre of density, 30 mu of seed production field area, field intertillage, weeding and change control
Management is consistent.
(c) July 5, the flowers are in blossom puts to the cotton plant first in 50 original seed generation field 10% of nakamise on July 8, i.e. initial bloom stage,
Nakamise 50 shows as the small upper act of leaf, and leaf color is medium, plant tower, the variant that 50 field of nakamise may occur in which at this time, a kind of
It is that growing way dies down, plant type is compact, and plant is short and small, the small color depth of leaf；Another kind is that cotton plant stalk is sturdy, hence it is evident that it increases, fruit branch is elongated,
Plant type is loose, and leaf is late-maturing greatly.The hybrid strains such as big leaf color is shallow, plant is tall and big, and leaflet color depth, plant are small and weak are pulled out in identification at this time, meanwhile,
Pull out the withered diseased plant that cotton plant is short and small, leaf color is partially deep, plant one side of something blade is fallen ill, incidence of leaf is in yellow reticulate pattern.
(d) August the first cotton boll of cotton plant to August 50 original seed generation field 50% of nakamise on the 30th on the 27th spends blow-of-cottons, that is, spits
The wadding phase, variable rate technology is blade profile is small, leaf color is deep, and bell circle is without point, plant tower, plant height 70-75cm, the cotton of resistance to verticillium wilt and blow-of-cottons
Strain is the typical single plant of nakamise 50, is strictly screened kind typical case single plant 4000 by breeding or breeding professional field and is listed
Label.
(e) more than the 95% cotton boll blow-of-cottons on October 25 to October 28,50 original seed generation field cotton plant of nakamise, profit
Method field Preliminary Identification cotton fiber length is pulled with hand, specific practice is：Normal blow-of-cottons in the middle part of cotton plant are won from listed single plant
The unginned cotton of cotton boll takes a valve unginned cotton, is divided into two from its top, the seed of extraction belt fiber, with the hands seam will be fine from seed
Dimension left and right point comb both sides, hand pull range estimation fibre length.The single plant that more than length 29mm, blow-of-cottons are smooth, wadding color is pure white, easily pick enters
Choosing, it is one group to be selected in single plant 10, is grouped to mix and receive, records bell number, be selected in 2760 plants of single plant.
(f) unginned cotton that 10 single plants are one group is weighed, and seed cotton heavy/bell number is bell weight；The individually cotton ginning of grouping later, after cotton ginning
Gined cotton and cotton seed weigh, gined cotton account for again seed cotton heavy percentage be ginning outturn；Gined cotton is uniformly mixed, and every group of sampling 30g send agricultural
Fiber quality supervision and inspection center of portion is detected；Seed takes 100 to be weighed as son to refer at random.Comprehensive species test and fiber check and measure knot
Fruit, fibre length 28.0-30.9mm, specific strength 27.5-29.3cNtex-1, mic value 4.2-4.6, bell weight 4.9-5.6g,
The single plant group seed that ginning outturn 37.6%-42.5% and son refer to 9.6-10.7g is selected in, and is selected in single plant group 208 i.e. 2080 single plants.
(g) 208 selected single plant groups, i.e., the seed of 2080 typical single plants are mixed to form the original seed of nakamise 50.
(h) after a breeding stock generation for nakamise 50, the seed produced using an original seed generation is 50 breeding of nakamise.
The original seed produced using the technology not only maintains the plant type, blade profile and bell type of nakamise 50, maintains product
The strong and disease-resistant characteristic of the precocity of kind, knot bell.Specific character is as follows：105 days or so breeding time, plant turriform, plant type is compact, strain
High 70-75cm, fruit branch begin to save 5.6-5.7 sections；Dark green leaf color, knot bell of blooming are concentrated, and knot bell is strong, bell weight 5.0-5.3g, ginning outturn
39.6%-40.5%, son refer to 10.2g；Blow-of-cottons are smooth, and wadding color is pure white, fibre length 29.5mm, specific strength 28cNtex-1, mark
Grand value 4.4；Seed purity is more than 99.9%.After a breeding stock generation for nakamise 50, the kind produced using an original seed generation
Son is cotton breeding.
Claims (10)
1. a kind of process for preparing protospecies of precocity cotton variety is the original seed that precocious cotton variety is realized by using " mixed choosing is mixed numerous " method
Production.
2. a kind of process for preparing protospecies of precocity cotton variety, includes the following steps：Sowing date for early sowing thin planting；Initial bloom stage impurity elimination is prevented or cure a disease
Strain；Term of opening bolls roguing；Fibre length is surveyed, flower is received in grouping；Final election typical case's single plant group；The seed of selected typical single plant group mixes
For original seed.
3. method according to claim 1 or 2, it is characterised in that：Described method includes following steps：
(a) compared with the precocious summer cotton planting time in Cotton Production, precocious cotton variety was seeded in original seed life in 7-10 days ahead of time
It produces on field, density is the 75%-85% of Production of Large Fields；
(b) cotton hybrid strain and the diseased plant of precocious cotton variety seed production Tanaka is pulled out during initial bloom stage；
(c) term of opening bolls selects the typical single plant of precocious cotton variety according to plant type, blade profile and bell type；
(d) during more than 95% cotton boll blow-of-cottons, it is not less than in kind country or provincial authorization bulletin to measure cotton fiber length
The single plant of fibre length data is selected in, and it is one group to be selected in single plant 10, is grouped mixed receipts, records bell number；
(e) according to the typical single plant group of following standard final election precocity cotton variety：Bell weight, ginning outturn, son refer to, fibre length, specific strength
The single plant group met in kind country or provincial authorization bulletin in 5% amplitude range with mic value is selected in；
(f) it is original seed to mix the seed of typical single plant group being selected in step (e).
4. according to the method described in claim 3, it is characterized in that：In step (a), precocious cotton variety is seeded in the original seed
It is May 10 to May 20 to produce the time on field；Density is 3700-4300 plants/acre.
5. method according to claim 3 or 4, it is characterised in that：In step (d), the measure cotton fiber length
Method pulls ocular estimate for hand.
6. according to the method described in claim 5, it is characterized in that：The operation that the hand pulls ocular estimate is as follows：In single plant to be measured
On win normal blow-of-cottons cotton boll unginned cotton in the middle part of cotton plant, take a valve unginned cotton, be divided into two from its top, the seed of extraction belt fiber,
With the hands range estimation fibre length is pulled in fiber or so point comb both sides, hand by seam from seed.
7. according to the method any in claim 3-6, it is characterised in that：The selected typical list in step (c)
The number of strain is 4000 or more；The number of the selected single plant is 2500 or more in step (d)；Institute in step (e)
The single plant group chosen is 200 or more.
8. according to the method any in claim 1-7, it is characterised in that：The method is suitable in China Yellow River basin cotton
Area is carried out with its place with equal ecological condition；
Or
The precocity cotton variety is nakamise 50.
9. following any application：
(I) application of any the method in the kind of the precocious cotton variety is kept in claim 1-8；
(II) application of any the method in the breeding for producing the precocious cotton variety in claim 1-8.
10. a kind of process for preparing protospecies of cotton, is characterized in that：Compared with method according to any one of claims 1-8, difference
It is specific kind property feature of the kind feature replacement of wherein described Shine Early cotton kind for target cotton variety；The target cotton
Flower variety is the cotton variety suitable for carrying out seed production using this method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111884.6A CN108235904B (en) | 2018-02-05 | 2018-02-05 | Seed property maintaining and stock seed production method of early-maturing cotton variety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111884.6A CN108235904B (en) | 2018-02-05 | 2018-02-05 | Seed property maintaining and stock seed production method of early-maturing cotton variety |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108235904A true CN108235904A (en) | 2018-07-03 |
| CN108235904B CN108235904B (en) | 2020-04-03 |
Family
ID=62699863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810111884.6A Active CN108235904B (en) | 2018-02-05 | 2018-02-05 | Seed property maintaining and stock seed production method of early-maturing cotton variety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108235904B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479660A (en) * | 2018-12-04 | 2019-03-19 | 安徽省农业科学院棉花研究所 | A kind of accurate breeding method of short season cotton new varieties |
| CN110455153A (en) * | 2019-09-09 | 2019-11-15 | 邯郸市农业科学院 | A kind of fibre length detection method for cotton plot experiment |
| CN114287307A (en) * | 2022-01-12 | 2022-04-08 | 新疆巴音郭楞蒙古自治州农业科学研究院 | Planting method for guaranteeing quality of high-quality fine-staple cotton fiber |
| CN114793811A (en) * | 2022-05-10 | 2022-07-29 | 湖南省棉花科学研究所 | Method for cultivating high-quality multi-resistance early-maturing cotton new variety by combining perennial roots with indication characters |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488695A (en) * | 2014-12-01 | 2015-04-08 | 中国农业科学院棉花研究所 | Method for cultivating 213 of new extra-early high-ginning-outturn strain |
| CN105010129A (en) * | 2015-08-05 | 2015-11-04 | 江苏省农业科学院 | Precocity upland cotton new-germplasm breeding method |
| CN107251833A (en) * | 2017-06-26 | 2017-10-17 | 中国农业科学院棉花研究所 | A kind of breeding method for improveing cotton prematurity |
-
2018
- 2018-02-05 CN CN201810111884.6A patent/CN108235904B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488695A (en) * | 2014-12-01 | 2015-04-08 | 中国农业科学院棉花研究所 | Method for cultivating 213 of new extra-early high-ginning-outturn strain |
| CN105010129A (en) * | 2015-08-05 | 2015-11-04 | 江苏省农业科学院 | Precocity upland cotton new-germplasm breeding method |
| CN107251833A (en) * | 2017-06-26 | 2017-10-17 | 中国农业科学院棉花研究所 | A kind of breeding method for improveing cotton prematurity |
Non-Patent Citations (3)
| Title |
|---|
| 《农作物种子标准化知识》编写组: "《农作物种子标准化知识》", 30 November 1978, 技术标准出版社 * |
| 中国农业科学院棉花研究所: "《棉花育种与良种繁育》", 30 September 1974, 农业出版社 * |
| 山东省棉花研究所: "《山东农作物栽培知识：棉花》", 31 August 1975, 山东人民出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479660A (en) * | 2018-12-04 | 2019-03-19 | 安徽省农业科学院棉花研究所 | A kind of accurate breeding method of short season cotton new varieties |
| CN110455153A (en) * | 2019-09-09 | 2019-11-15 | 邯郸市农业科学院 | A kind of fibre length detection method for cotton plot experiment |
| CN114287307A (en) * | 2022-01-12 | 2022-04-08 | 新疆巴音郭楞蒙古自治州农业科学研究院 | Planting method for guaranteeing quality of high-quality fine-staple cotton fiber |
| CN114793811A (en) * | 2022-05-10 | 2022-07-29 | 湖南省棉花科学研究所 | Method for cultivating high-quality multi-resistance early-maturing cotton new variety by combining perennial roots with indication characters |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108235904B (en) | 2020-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101124887B (en) | Method for cultivating triploid of red sage root | |
| CN105010129B (en) | Precocious upland cotton new germ plasm selection | |
| CN108235904A (en) | A kind of kind of precocity cotton variety is kept and process for preparing protospecies | |
| CN104081994A (en) | Screening and testing method for cotton varieties suitable for mechanical harvesting | |
| US11910768B2 (en) | Method for breeding a new variety of high-quality Gossypium hirsutum | |
| CN102939898B (en) | Method for catalpa bungei clonal seed selection | |
| CN106665332A (en) | Method for carrying out recurrent selection breeding on water-saving and drought-resisting rice by utilizing dominant nuclear male sterile material | |
| CN110169355B (en) | Cultivation method of summer direct seeding cotton variety | |
| CN104285779A (en) | Method for hybridizing and breeding fast-growing cold-resistant poplar varieties | |
| CN103340147A (en) | Breeding method of high-yield early-matured soft rice | |
| CN108782225A (en) | A kind of breeding method of the high-quality how anti-cotton of high-yield early-maturing | |
| CN106576788A (en) | Stress resistance breeding method of wheat | |
| CN107251834B (en) | A kind of selection of precocity intermediate keng rice kind | |
| Carrubba et al. | Hop (Humulus lupulus L.): Suitability of Traditional Cultivars to a Low-Trellis Farming System in a Semiarid Environment | |
| CN108633660A (en) | A kind of Radix Salviae Miltiorrhizae new varieties production of hybrid seeds method for culturing seedlings | |
| CN107251833B (en) | A kind of breeding method improveing cotton prematurity | |
| CN1324951C (en) | Method for breeding pumpkin encirhced in chrome | |
| CN101731140A (en) | Tobacco male sterile line seed propagation method | |
| CN101433179A (en) | Method for producing diploid seedless water melons | |
| CN101904300A (en) | Hybrid breeding method for pumpkin | |
| CN105265303A (en) | Short-life and low-cost strawberry hybridization breeding method | |
| CN111903501B (en) | Method for constructing sesame recombinant inbred line | |
| CN101904269B (en) | Annual three-generation inbred line breeding method of pumpkin | |
| RU2284689C1 (en) | Method for creating of early-maturing basic material for sunflower selection | |
| CN111528025B (en) | Method for shortening breeding years of potatoes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |