CN109042301A - A kind of new varieties HC-159 selection of no film cotton - Google Patents

A kind of new varieties HC-159 selection of no film cotton Download PDF

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Publication number
CN109042301A
CN109042301A CN201810974954.0A CN201810974954A CN109042301A CN 109042301 A CN109042301 A CN 109042301A CN 201810974954 A CN201810974954 A CN 201810974954A CN 109042301 A CN109042301 A CN 109042301A
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cotton
film
breeding
selection
plant
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陈洪章
陈金秋
陈�峰
王志超
杨向黎
束靖
丁有强
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Xinjiang Trustworthy Seed Industry Science And Technology Co Ltd
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Xinjiang Trustworthy Seed Industry Science And Technology Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H1/00Processes for modifying genotypes ; Plants characterised by associated natural traits
    • A01H1/02Methods or apparatus for hybridisation; Artificial pollination ; Fertility
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01HNEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
    • A01H1/00Processes for modifying genotypes ; Plants characterised by associated natural traits
    • A01H1/04Processes of selection involving genotypic or phenotypic markers; Methods of using phenotypic markers for selection

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • Botany (AREA)
  • Developmental Biology & Embryology (AREA)
  • Environmental Sciences (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The present invention provides a kind of new varieties HC-159 selection of no film cotton, overcome the disadvantage single without film cotton variety at present, disease resistance is poor, the application improves breeding method and means, improve breeding efficiency, using a kind of new varieties HC-159 selection of no film cotton provided by the invention, what is selected fast-germination can emerge without film new cotton variety under no film coverage condition, compared to other kinds, it is more early without film cotton HC-159 maturation, seed cotton yield is up to 365.4kg/ mus, has great economic value for cotton variety breeding technique field.

Description

A kind of new varieties HC-159 selection of no film cotton
Invention field
The present invention relates to cotton breeding technical fields, and specifically, present invention relates particularly to a kind of breedings of new cotton variety Technical field.
Background technique
Cotton is the important industrial crops in China, and China is one of main Chan Mian big country of the world.China is on cotton planting A wide range of to promote the use of film-mulching technique, therefore output of cotton increases substantially, and brings to agricultural volume increase, increasing peasant income huge Big benefit.Crop yield can be can be improved using mulch with Meteorological effect, inhibition weeds, insect prevention diseases prevention, retain water and nutrients by covering mulch 20% -30%.As mulch usage amount is continuously increased, the residual mulching film rate of recovery is relatively low always, residual-film amount gradually increases in soil Add, soil texture is seriously damaged, farmland quality gradually declines.Residual film pollutes the production and raw cotton matter for also affecting cotton Amount, especially has a significant impact to the cotton quality of mechanized harvesting, at the time of improvement farmland incomplete film has polluteed extremely urgent.
In the growing process of cotton, often can causing harm by a variety of pest and disease damages, cotton is withered, verticillium wilt and bollworm, The main diseases and insect pests such as pink bollworm, cotton spider mites, cotten aphid are on the rise, general time cotton because by disease pest cause harm can caused by economy 5-15% is lost, if without prevention and treatment the loss of 30%-50% can be caused, spraying pesticide can efficiently control cotton Pest and disease damage is caused harm, and yield is increased.But it is long-term largely to use pesticide, the ecological balance is greatly destroyed, polluted environment, is caused Pest and disease damage it is rampant again, increase the difficulty of prevention and treatment.It was verified that cultivating and promote Resistant new cotton variety is control cotton Blossom disease insect pest is most simple and easy and one of effective approach.
Shandong cotton grinds No. 16, original name: Shandong S6145, GK30, breeding unit: Shandong Cotton Research Center, the Chinese Academy of Agricultural Sciences Biotechnology research institute is initially cotton variety made of the breeding of A system with kind nakamise 12/GK12.January in 2005 30 Nikkei First national Crop breed audit committee's fourth session authorization passes through, and authorization number is that state examines cotton 2005010.
Nakamise 10, it is the Chinese Academy of Agriculture Science and Technologys Cotton Research Institute 1975 in the cotton No.1 of Black Hills and selects variant and is black Progress plant in 1-23,1976 is mixed to select long wool, incubations strain in 1977 (in 23), therefrom choosing precocity long wool strain, final election in 1978 784509 plant out, longer than Black Hills cotton No.1 performance suede, 23 performances are precocious than in.Accelerate by the mixed system of plant division in Hainan and institute numerous It grows, point in participation Different Cropping System Combined Trials institutes in 1979 is changed to area's examination for 1980, is named for the year as nakamise 10, the kind Pass through first national variety certification committee authorization within 1984.
Cotton in China breeding work biases toward always the selection of high yield struture and disease resistance trait from the sixties to the end of the eighties, Mostly single resistant variety, and the kind of no film cotton is had ignored, for the sustainable development for promoting Cotton in China planting industry, it is necessary to weight Depending on and reinforce without film Resistance Strain of Cotton disease pest breeding, create the new cotton variety for resisting a variety of pest and disease damages, while got rid of again for mulch Dependence, therefore it provides it is a kind of with Resistant without film cotton variety, for cotton planting industry with having important reality Meaning.
Summary of the invention
For having no the related status without film cotton variety selection with novel Resistant, this hair in the prior art A kind of bright new varieties HC-159 selection for being intended to provide no film cotton, overcomes single, disease-resistant without film cotton variety at present Property difference disadvantage, the application improves breeding method and means, improves breeding efficiency, using a kind of no film provided by the invention The new varieties HC-159 selection of cotton, select without film new cotton variety can under no film coverage condition fast-germination Emergence, has compared other kinds, no film cotton HC-159 maturation is more early, and seed cotton yield is up to 365.4kg/ mus, for cotton product Kind breeding technique field has great economic value.
The main technical schemes that the present invention uses:
The present invention provides a kind of new varieties HC-159 selection of no film cotton, and steps are as follows for specific selection:
(1) it selects cotton parent: No. 16 progress breedings being ground to maternal Shandong cotton, to No. 10 progress breedings of cotton in male parent.
(2) the breeding first generation: No. 16 are ground as female parent with Shandong cotton, is hybridized with middle cotton No. 10 for male parent, obtains F1 generation list Strain.
(3) the breeding second generation: selecting the F1 generation fine individual plant that above-mentioned steps obtain, and selects to be suitble to salt-soda soil natural The resistance to withered anti-yellowing upland cotton single plant of condition selects summer to be planted in Shelter in South China Cities, obtains F2 for single plant later.
(4) the breeding third generation: selecting the F2 that above-mentioned steps obtain for fine individual plant, selects to be suitble to salt-soda soil natural The resistance to withered anti-yellowing no film upland cotton single plant of condition selects summer to be planted in Shelter in South China Cities, obtains F3 for single plant later.
(5) seed materials breeding: selecting the F3 that above-mentioned steps obtain for fine individual plant, and carries out conventional strain Comparative test and multiple spot are produced than test, finally select one plant it is stable without film cotton, number is determined as HC-159.
Shelter in South China Cities in the present invention is Hainan.
By implement technical solution provided by the invention can achieve it is following the utility model has the advantages that
(1) present invention establishes on the basis of cotton biological characteristics itself and the research of cotton hybrid system and breeding status The new varieties HC-159 selection without film cotton is played, disadvantage single without film cotton variety at present is overcome, improves breeding Ways and means improve breeding efficiency, using a kind of new varieties HC-159 selection of no film cotton provided by the invention, What is selected fast-germination can emerge without film new cotton variety under no film coverage condition, and cotton variety breeding technique is led Domain has great economic value.
(2) HC-159 for selecting selection provided by the invention is without film cotton and other check varieties in crop field kind After plant, it is known that, HC-159 experimental field disease-free, does not fall ill without film cotton, and the large cotton of check variety section No. 1, the large cotton of section No. 5, section There is different degrees of withered or wilting in No. 54 plant in large cotton No. 8, day 8, new land, verticillium wilt symptom occur;It is giving birth to Phase, in 6 kinds (being) of field experiment, the seeding stage of HC-159 is April 30, has compared other kinds, no film cotton HC- 159 is mature more early;From the point of view of output of cotton, no film cotton HC-159 seed cotton yield highest is 365.4kg/ mus, other check varieties Seed cotton yield lower than no film cotton HC-159 kind (being), wherein in new land No. 54 it is minimum, be 320.2kg/ mu, colored rate is before frost 100%;From the point of view of each kind cotton fiber quality, the weaving index of conformity highest of no film cotton HC-159 is 139, other are right According to kind weaving index of conformity between 125-130.
(3) cultivate through the invention without film cotton HC-159, belong to upland cotton precocity new varieties, mostly testing fertility Phase 125 days, emergence was fast, and growing way is good, resisted withered resistance to Huang, and knot bell is strong, and knot bell is concentrated, and bell is round, and medium blade, blow-of-cottons are smooth, do not flow Wadding, plant height are up to 85.6cm, the first fruit branch 6.2 section of tight knot position, 6.2 grams of Single boll weight, seed refers to 10.2 grams, ginning outturn 43.8%, Suede length 32.66mm, it is non-transgenic kind that than strong 31CN/tex, horse value 4.69, insect resistace qualification result, which is feminine gender,.
Specific embodiment
In the following, illustrating the present invention for embodiment, still, the present invention is not limited to following embodiments.
All raw and auxiliary materials, reagent and the instrument selected in the present invention, equipment are all well known in the art selection, but unlimited Implementation of the invention is made, other some reagents well known in the art and equipment are applied both to the reality of following implementation of the present invention It applies.
Embodiment one:
The present invention provides a kind of new varieties HC-159 selection of no film cotton, and steps are as follows for specific selection:
(1) it selects cotton parent: No. 16 progress breedings being ground to maternal Shandong cotton, to No. 10 progress breedings of cotton in male parent.
(2) the breeding first generation: No. 16 are ground as female parent with Shandong cotton, is hybridized with middle cotton No. 10 for male parent, obtains F1 generation list Strain.
(3) the breeding second generation: selecting the F1 generation fine individual plant that above-mentioned steps obtain, and selects to be suitble to salt-soda soil natural The resistance to withered anti-yellowing upland cotton single plant of condition selects summer to be planted in Shelter in South China Cities, obtains F2 for single plant later.
(4) the breeding third generation: selecting the F2 that above-mentioned steps obtain for fine individual plant, selects to be suitble to salt-soda soil natural The resistance to withered anti-yellowing no film upland cotton single plant of condition selects summer to be planted in Shelter in South China Cities, obtains F3 for single plant later.
(5) seed materials breeding: selecting the F3 that above-mentioned steps obtain for fine individual plant, and carries out conventional strain Comparative test and multiple spot are produced than test, finally select one plant it is stable without film cotton, number is determined as HC-159.
Shelter in South China Cities in the present embodiment is Hainan.
Embodiment two: the field planting test of no film cotton HC-159
It is planted what the present invention cultivated without film cotton HC-159 in South Sinkiang salt-soda soil, carries out comparison experiment, verify the nothing The growth characteristics of film cotton HC-159.
1, basic condition
Test site: Kuerle experiment station of Xinjiang academy of agricultural sciences, test period: from April, 2017.
2, field design
Tested variety 6, the present invention cultivate without film cotton HC-159, check variety is the large cotton of section No. 1, the large cotton 5 of section Number, large cotton No. 8, day 8 of section, No. 54 in new land, random alignment is repeated 3 times, the long 13.3m of row, and average row is away from 0.375m, 4 row areas, Plot area 20m2, spacing in the rows 0.12m, 14816 plants/acre of density, complete test net area 5940m2
3, experimental field basic condition and cultivation management
(1) preceding crop: cotton, harvest time: November 2.
(2) soil types: loam, arable land and land preparation mode: big tractor plows, combined soil preparing machine site preparation.
(3) seeding method and method: mechanical plastic film mulch, artificial seeding.
Sowing time: April 24, final singling phase: May 12.
(4) tillage and weeding:
Manually (moon day): May 12, June 12, July 16, August 26 days.
Tractor-ploughing (moon day): April 30, May 13, May 25, June 10
(5) it applies fertilizer:
Base manure (time, type, quantity, method): April 22,25kg/ mus of diamines, 5kg/ mus of urea, potassium sulfate 5kg/ Mu.
Top dressing (time, type, quantity, method): June 22,2kg/ mus of an amine, 3kg/ mus of urea, 1kg/ mus of potassium sulfate.
July 2,2kg/ mus of an amine, 4kg/ mus of urea, 1kg/ mus of potassium sulfate.July 11,2kg/ mus of an amine, urea 5kg/ Mu, 1kg/ mus of potassium sulfate, 1kg/ mus of potassium dihydrogen.July 21,2kg/ mus of an amine, 4kg/ mus of urea, 1.5kg/ mus of potassium sulfate, two 1kg/ mus of hydrogen potassium.July 30,1kg/ mus of an amine, 4kg/ mus of urea, 1kg/ mus of potassium sulfate.August 11 days, 1kg/ mus of an amine, urea 3kg/ mus, 1kg/ mus of potassium sulfate.August 24 days, 1kg/ mus of an amine, 3kg/ mus of urea, 0.5kg/ mus of potassium sulfate.
(6) drainage situation is filled
It pours water: for the first time: June 22, second: July 2, third time: July 11, the 4th time: July 21, the 5th It is secondary: July 30, the 6th time: August 11st, the 7th time: August 24th.
(7) change and adjust (date, medicament kind, dosage)
For the first time: May 21, mepiquat chloride, 0.5 gram/acre;
Second: June 1, mepiquat chloride, 1.5 grams/acre;
For the third time: June 12, mepiquat chloride, 2 grams/acre;
4th time: June 21, mepiquat chloride, 4 grams/acre;
5th time: July 22, mepiquat chloride, 10 grams/acre;
(8) it pinches the date: July 15.
(9) disease pest and weed prevention and treatment (time, disease pest and weed type, dosage and method):
For the first time: May 4, thrips, than worm beautiful jade, 10ml/ mus;
Second: May 21, aphid, than worm beautiful jade, 10ml/ mus;
For the third time: June 1, aphid, than worm beautiful jade, 10ml/ mus;
4th time: aphid, determining worm miaow, 20ml/ mu June 12;
5th time: aphid, determining worm miaow, 20ml/ mu June 21;Bollworm, red good fortune, 30ml/ mus;
6th time: July 22, aphid, Rogor, 20ml/ mus;Bollworm, red good fortune, 30ml/ mus;Red spider, special mite gram, 20ml/ mus;
(10) florescence is received
For the first time: October 1, second: October 17.
4, test result
After above-mentioned test process, now that the cotton growth performance data statistics of each kind is as follows, each kind cotton is raw It educates period and growth potential, uniformity character table is shown in Table 1, each kind Agronomic Characters of Cotton table is shown in Table 2, each kind output of cotton analysis Table is shown in Table 3, and each kind cotton fiber quality result table is shown in Table 4.
Table 1: each kind cotton growthdevelopmental stage and growth potential, uniformity character table
Table 2: each kind Agronomic Characters of Cotton table
Table 3: each kind output of cotton analytical table
Table 4: each kind cotton fiber quality result table
Verified through field experiment, the HC-159 that selection provided by the present application selects without film cotton experimental field without Disease is not fallen ill, and the large cotton of check variety section No. 1, the large cotton of section No. 5, large cotton No. 8, day 8 of section, No. 54 plant occur in new land , there is verticillium wilt symptom in different degrees of withered or wilting.
As shown in Table 1, in breeding time, in 6 kinds (being) of field experiment, the seeding stage of HC-159 is April 30, Compared to other kinds are played, no film cotton HC-159 maturation is more early, and breeding time is 130 days, remaining strain breeding time all 126~ Between 130 days.
As shown in Table 2, in 6 kinds (being) of field experiment, growing way it is most weak be No. 54 in new land, plant height is 69cm, for remaining strain plant height all between 83-90cm, the ginning outturn of no film cotton HC-159 is 43.4%, is only only below the large cotton 5 of section 43.7%, be located at second.
As shown in Table 3, in 6 kinds (being) of field experiment, seed cotton yield between 320.2~365.4kg/ mus, It is 365.4kg/ mus, other check variety seed cotton yields are lower than no film cotton HC- wherein without film cotton HC-159 seed cotton yield highest 159 kinds (are), wherein in new land No. 54 it is minimum, be 320.2kg/ mu, colored rate is 100% before frost.
As shown in Table 4, in 6 kinds (being) of field experiment, weave index of conformity between 125-139, wherein Weaving index of conformity highest without film cotton HC-159, be 139, other check varieties weave index of conformity 125-130 it Between.
Stable no film cotton HC-159 is selected through selection provided by the invention, belongs to upland cotton precocity new varieties, With following moral character: breeding time is 125 days, and emergence is fast, and growing way is good, resists withered resistance to Huang, and knot bell is strong, and knot bell is concentrated, and bell is round, leaf Piece is medium, and blow-of-cottons are smooth, does not flow wadding, and plant height is up to 85.6cm, the first fruit branch 6.2 section of tight knot position, 6.2 grams of Single boll weight, seed refers to 10.2 grams, ginning outturn 43.8%, suede length 32.66mm, than strong 31CN/tex, horse value 4.69, insect resistace qualification result is feminine gender, is Non-transgenic kind.
In conclusion the present invention is on cotton biological characteristics itself and the research of cotton hybrid system and the basis of breeding status On, it is established that the new varieties HC-159 selection without film cotton overcomes disadvantage single without film cotton variety at present, improves Breeding method and means, improve breeding efficiency, are selected using a kind of new varieties HC-159 of no film cotton provided by the invention Method is educated, what is selected fast-germination can emerge without film new cotton variety under no film coverage condition, and cotton variety is selected Technical field is educated with great economic value.
As described above, the present invention can be realized preferably, the above embodiments are only to preferred implementation side of the invention Formula is described, and is not intended to limit the scope of the present invention, and without departing from the spirit of the design of the present invention, this field is general The various changes and improvements that logical technical staff makes technical solution of the present invention, should all fall into present invention determine that protection scope It is interior.

Claims (2)

1. a kind of new varieties HC-159 selection of no film cotton, which is characterized in that steps are as follows for specific selection:
(1) it selects cotton parent: No. 16 progress breedings being ground to maternal Shandong cotton, to No. 10 progress breedings of cotton in male parent.
(2) the breeding first generation: No. 16 are ground as female parent with Shandong cotton, is hybridized with middle cotton No. 10 for male parent, obtains F1 generation single plant.
(3) the breeding second generation: selecting the F1 generation fine individual plant that above-mentioned steps obtain, and selects to be suitble to salt-soda soil natural conditions Resistance to withered anti-yellowing upland cotton single plant, later select summer planted in Shelter in South China Cities, obtain F2 for single plant.
(4) the breeding third generation: selecting the F2 that above-mentioned steps obtain for fine individual plant, selects to be suitble to salt-soda soil natural conditions Resistance to withered anti-yellowing no film upland cotton single plant, later select summer planted in Shelter in South China Cities, obtain F3 for single plant.
(5) seed materials breeding: selecting the F3 that above-mentioned steps obtain for fine individual plant, and carries out conventional strain and compare Test and multiple spot are produced than test, finally select one plant it is stable without film cotton, number is determined as HC-159.
2. a kind of new varieties HC-159 selection of no film cotton as described in claim 1, which is characterized in that the south Mahjong city is Hainan.
CN201810974954.0A 2018-08-24 2018-08-24 A kind of new varieties HC-159 selection of no film cotton Pending CN109042301A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115443903A (en) * 2022-09-30 2022-12-09 石家庄市农林科学研究院 Early-maturing cotton breeding combination method suitable for agricultural machinery collection

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103493728A (en) * 2013-08-28 2014-01-08 山东农兴种业有限责任公司 Sterile line selective-breeding and hybrid breeding method of pest-resistant and low-gossypol natural colored cotton
WO2016191293A1 (en) * 2015-05-22 2016-12-01 Board Of Regents, The University Of Texas System Prediction of hybrid vigor using circadian-regulated stress-responsive gene expression
CN107278880A (en) * 2017-08-01 2017-10-24 安徽省农业科学院棉花研究所 One grow cotton merit polymerize kind breeding method
CN108207614A (en) * 2017-12-29 2018-06-29 河南科技学院 A kind of precocity type cotton breeding new method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103493728A (en) * 2013-08-28 2014-01-08 山东农兴种业有限责任公司 Sterile line selective-breeding and hybrid breeding method of pest-resistant and low-gossypol natural colored cotton
WO2016191293A1 (en) * 2015-05-22 2016-12-01 Board Of Regents, The University Of Texas System Prediction of hybrid vigor using circadian-regulated stress-responsive gene expression
CN107278880A (en) * 2017-08-01 2017-10-24 安徽省农业科学院棉花研究所 One grow cotton merit polymerize kind breeding method
CN108207614A (en) * 2017-12-29 2018-06-29 河南科技学院 A kind of precocity type cotton breeding new method

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
WILLIAM R. MEREDITH ET AL.: "Backcross Breeding to Increase Fiber Strength of Cotton", 《CROP SCIENCE》 *
孙维福: ""无膜棉"破解地膜污染难题", 《农村百事通》 *
韩文兵 等: "抗虫杂交棉"皖杂344"选育及配套栽培技术", 《安徽农业科学》 *
高俊山 等: "杂交棉新品种开棉5号选育报告", 《江西棉花》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115443903A (en) * 2022-09-30 2022-12-09 石家庄市农林科学研究院 Early-maturing cotton breeding combination method suitable for agricultural machinery collection

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Application publication date: 20181221