CN104641908A - Method for breading three generations of Helianthus annuus inbred line each year - Google Patents
Method for breading three generations of Helianthus annuus inbred line each year Download PDFInfo
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- CN104641908A CN104641908A CN201510084329.5A CN201510084329A CN104641908A CN 104641908 A CN104641908 A CN 104641908A CN 201510084329 A CN201510084329 A CN 201510084329A CN 104641908 A CN104641908 A CN 104641908A
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- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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Abstract
The invention discloses a method for breading three generations of Helianthus annuus inbred line each year. By virtue of the combination of experimental science and field experiments and by virtue of utilizing Helianthus annuus field breeding and planting as reference, effective accumulated temperature which is not less than 5 DEG C required by full maturity of each generation of the Helianthus annuus inbred line is obtained through research; according to the breeding site selection standard for spring seeding, the effective accumulated temperature of not less than 5 DEG C within 110 days from the day of seeding is not less than 1900 DEG C; according to the second-generation and third-generation off-season multiplication generation-adding breeding site selection standard, the effective accumulated temperature of not less than 5 DEG C within 110 days from the day of seeding is not less than 1900 DEG C, so that breeding of three generations of the Helianthus annuus inbred line is obtained, the selective breeding process of the Helianthus annuus inbred line is shortened, the breeding cost is lowered and the method has realistic function and meaning.
Description
Technical field
The present invention relates to technical field of plant propagation, specifically, the present invention is specifically related to a kind of raising technology field of sunflower inbred line.
Background technology
Sunflower (
helianthus annuus L.) be one of large economic crops in the world five, have Salt And Alkali Tolerance, drought-resistant, barren-resistant characteristic, be also the main oil crop of the northern area of China, it is subject to people's attention day by day as oil plant or protein resource.There are quite a few drought and barren low-yield land and saline land in China, and thus sunflower occupies critical role in agricultural production.It is research that countries in the world generally carry out three in the research of sunflower heterosis utilization, and China carries out Sunflower for Breeding research from 20 century 70s.
The seed selection of sunflower inbred line is the basis of sunflower crossbreeding, is the primary condition of cultivating elite hybrid, only cultivates the inbred line that proterties is excellent, assembly could go out excellent crossbreed.At present, China's sunflower inbred line material resources quantity is rare, therefore, accelerates the seed selection of sunflower Elite inbred, increases sunflower fine germplasm resources, have very important significance.But utilize the breeding mode in 1 year two generation of existing sunflower inbred line, be bred as the time that a new sunflower inbred line at least needs more than 3 years, time and effort consuming, needs badly and will solve and overcome.
Summary of the invention
For the mating system in 1 year two generation of sunflower inbred line in prior art, be bred as the realistic problem that a new sunflower inbred line at least needs the deficiency of the time objective reality of more than 3 years.The present invention aims to provide the mating system of a kind of sunflower inbred line 1 year three generations, shortens the seed selection process of sunflower inbred line, reduces seed selection cost, has the meaning and function of reality.
The main technical schemes that the present invention adopts:
By utilizing sunflower crop characteristic own and the current present Research of sunflower inbred line, science combines with field experiment by experiment, plantation is bred for benchmark with sunflower land for growing field crops, explore draw the every generation of sunflower inbred line can needed for full maturity >=effective accumulated temperature of 5 DEG C, choose reasonable plantation place for ensureing, sets up the mating system of sunflower inbred line 1 year three generations as technological core.
The invention provides the mating system of a kind of sunflower inbred line 1 year three generations, concrete grammar step is as follows:
(1) sow in spring and breed the first generation: sow in spring breed place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; After planting pour water in time, ensure that seedling is neat, Miao Zhuan, can gather in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after latter 20 days, the seed of breaking dormancy phase is used for south numerous added-generation and breeds the second generation.
(2) south numerous added-generation breeds the second generation: south numerous added-generation place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; By the seed bedder-planter of results of sowing in spring, after planting pour water in time, ensure that seedling is neat, Miao Zhuan, gather in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after latter 20 days, the seed of breaking dormancy phase is used for south numerous added-generation and breeds the third generation.
(3) south numerous added-generation breeds the third generation: south numerous added-generation place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; By adding the seed bedder-planter withheld and obtain, after planting pouring water in time, ensureing that seedling is neat, Miao Zhuan, gathering in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after 20 days, the seed of breaking dormancy phase is used for spring sowing and breeds forth generation.
Each technical step of the mating system of above sunflower inbred line 1 year three generations is an organic whole, can not dismember and accept or reject any technical step, the significantly outstanding technique effect that sunflower inbred line 1 year three generations breeds can be obtained like this, solve the deficiency of the mating system in 1 year two generation of existing sunflower inbred line.Each data in the present invention are simultaneously all the results drawn by a large amount of testing and verifications.
In the present invention, the industry slang related to: inbred line: in Artificial Control self-pollination situation, through some generations, constantly eliminate bad plant, select economical character good individual plant to carry out selfing, thus obtain economical character more simple compared with neat and consistent, hereditary basis be called inbred line.Resting stage: plant corpus or its organ are in the process of growing, and the period of pause appears in metabolism and growth; Normally determined by internal physiological reason, seed, stem, bud all can be in resting state; The general employing of breaking of sunflower seeds resting stage is exposed to the sun.Effective accumulated temperature refers to the effective accumulative temperature of plant within whole breeding time.In fact these industry slangs those skilled in the art know.
Following beneficial effect can be reached by implementing technical scheme provided by the invention:
The present invention utilizes sunflower crop characteristic own and the current present Research of sunflower inbred line, science combines with field experiment by experiment, plantation is bred for benchmark with sunflower land for growing field crops, explore draw the every generation of sunflower inbred line can needed for full maturity >=effective accumulated temperature of 5 DEG C, choose reasonable plantation place is guarantee as technological core, set up the mating system of sunflower inbred line 1 year three generations, thus obtain breeding of sunflower inbred line 1 year three generations, shorten the seed selection process of sunflower inbred line, reduce seed selection cost, there is the function and significance of reality.
Embodiment
, for embodiment, the present invention is described below, but the present invention is not limited to following embodiment.
All raw and auxiliary materials, reagent and the instrument selected in the present invention, equipment are all well known selecting, but do not limit enforcement of the present invention, and other reagent more well known in the art and equipment are all applicable to the enforcement of the following embodiment of the present invention.
embodiment one:
The present invention determines to sow in spring in Shihezi of Xinjiang to breed a generation, and what Sanya, Hainan added that two generations of generation carry out sunflower inbred line breeds the target that acquisition 1 year three generations breeds, and concrete grammar step is as follows:
(1) Shihezi of Xinjiang sows in spring and breeds the first generation: spring sowing inbred line was sowed before and after May 15 wholely, dropper mode is after planting adopted to water 2-3 hour, ensure that seedling is neat, Miao Zhuan, gather in the crops after latter 20 days in pollination, harvest time is in early September, be exposed to the sun after seed harvest 5 days breaking dormancy phases, the seed of breaking dormancy phase is used for Sanya, Hainan and adds for breeding the second generation.
(2) Sanya, Hainan adds for breeding the second generation: by the seed of results of sowing in spring bedder-planter before and after September 15, sprinkling irrigation is after planting adopted to water about 15 minutes, ensure that seedling is neat, Miao Zhuan, in pollination latter 20 days results, harvest time is in Second Year early January, be exposed to the sun after seed harvest 5 days breaking dormancy phases, the seed of breaking dormancy phase is used for Sanya, Hainan and adds for breeding the second generation.
(3) Sanya, Hainan adds for breeding the third generation: will add the seed bedder-planter before and after January 15 withheld and obtain, sprinkling irrigation is after planting adopted to water about 15 minutes, ensure that seedling is neat, Miao Zhuan, in pollination latter 20 days results, harvest time is in the first tenday period of a month in May, be exposed to the sun after seed harvest 5 days breaking dormancy phases, the seed of breaking dormancy phase is used for spring sowing and breeds forth generation.
embodiment two:
Comprehensively analyze by selecting Shihezi, Sanya, Hainan same latitude, longitude and the analogy of Temperature Features continuation throughout the year, science combines with field experiment by experiment, plantation is bred for benchmark with sunflower land for growing field crops, explore draw the every generation of sunflower inbred line can needed for full maturity >=effective accumulated temperature of 5 DEG C, choose reasonable plantation place is guarantee as technological core, set up the mating system of sunflower inbred line 1 year three generations, concrete grammar is as follows:
(1) sow in spring and breed the first generation: sow in spring breed place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; After planting pour water in time, ensure that seedling is neat, Miao Zhuan, can gather in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after latter 20 days, the seed of breaking dormancy phase is used for south numerous added-generation and breeds the second generation.
(2) south numerous added-generation breeds the second generation: south numerous added-generation place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; By the seed bedder-planter of results of sowing in spring, after planting pour water in time, ensure that seedling is neat, Miao Zhuan, gather in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after latter 20 days, the seed of breaking dormancy phase is used for south numerous added-generation and breeds the third generation.
(3) south numerous added-generation breeds the third generation: south numerous added-generation place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; By adding the seed bedder-planter withheld and obtain, after planting pouring water in time, ensureing that seedling is neat, Miao Zhuan, gathering in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after 20 days, the seed of breaking dormancy phase is used for spring sowing and breeds forth generation.
embodiment three:
The series of the various embodiments described above one, two serial sunflower inbred lines of the present invention 1 year three generations is adopted to breed experiment, test, 6 generations of generation were added continuously by 2004 to 2005 bienniums, seed selection sunflower restorer RR1-61421, this selfing is the restorer of new certain herbaceous plants with big flowers No. 22, its feature: sow in spring about 90 days breeding time, plant height 145 ~ 155 centimetres, without branch; The number of blade 32 ~ 34, leaf green; Ligulate corolla is yellow, and tubiflorous stamen development is normal, and pollen amount is large, and individual plant flowering time is longer; Fruit tray dimpling, fruit tray diameter 15 ~ 17 centimetres, fruit tray gradient 3 grades; Seed black, edge lead, thousand kernel weight 45 grams; Anti-Sunflower Downy Mildew, rust and brown spot.Shorten the seed selection process of sunflower inbred line, reduce seed selection cost, comprehensive advantage is given prominence to.
embodiment four:
The series of the above-mentioned each series embodiment sunflower inbred line of the present invention 1 year three generations is adopted to breed experiment, test, by adding 9 generations of generation continuously at 2003 to 2005, seed selection sunflower male sterile line 950C-112113A and maintainer 950C-112113B thereof, this selfing is the male sterile line of new certain herbaceous plants with big flowers No. 22, its feature: about 85 days breeding time, plant is short strong, plant height 135-145 centimetres, without branch, the number of blade 32-34, leaf green, ligulate corolla is yellow, tubiflorous staminody, without pollen, Stamen development is normal; Fruit tray is dimpling shape, fruit tray diameter 16-17 centimetres, floral disc gradient 3 grades; Seed black, edge lead, thousand kernel weight 48 grams; This male sterile line cane is sturdy, resistant to lodging, sense septorial brown spot of sunflower, downy mildew.The feature of maintainer 950C-112113B: its each proterties is with male sterile line 950C-112113A, and only its tubiflorous stamen development is normal, and pollen amount is more.Shorten the seed selection process of sunflower inbred line, reduce seed selection cost, comprehensive advantage is given prominence to.
As mentioned above; the present invention can be realized preferably; the above embodiments are only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that the present invention determines.
Claims (1)
1. a sunflower inbred line 1 year three generations's mating system, is characterized in that, concrete mating system step is as follows:
(1) sow in spring and breed the first generation: sow in spring breed place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; After planting pour water in time, ensure that seedling is neat, Miao Zhuan, can gather in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after latter 20 days, the seed of breaking dormancy phase is used for south numerous added-generation and breeds the second generation;
(2) south numerous added-generation breeds the second generation: south numerous added-generation place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; By the seed bedder-planter of results of sowing in spring, after planting pour water in time, ensure that seedling is neat, Miao Zhuan, gather in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after latter 20 days, the seed of breaking dormancy phase is used for south numerous added-generation and breeds the third generation;
(3) south numerous added-generation breeds the third generation: south numerous added-generation place selection criteria according to from sowing in 110 days >=effective accumulated temperature >=1900 DEG C of 5 DEG C; By adding the seed bedder-planter withheld and obtain, after planting pouring water in time, ensureing that seedling is neat, Miao Zhuan, gathering in the crops, be exposed to the sun 5 days breaking dormancy phases after seed harvest in pollination after 20 days, the seed of breaking dormancy phase is used for spring sowing and breeds forth generation.
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| CN201510084329.5A CN104641908A (en) | 2015-02-17 | 2015-02-17 | Method for breading three generations of Helianthus annuus inbred line each year |
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| CN201510084329.5A CN104641908A (en) | 2015-02-17 | 2015-02-17 | Method for breading three generations of Helianthus annuus inbred line each year |
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Cited By (5)
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| CN105075578A (en) * | 2015-07-02 | 2015-11-25 | 江苏丘陵地区镇江农业科学研究所 | Method for producing bulb and controlling florescence by utilizing effective accumulated temperature in tulip growing period |
| CN105519337A (en) * | 2016-01-05 | 2016-04-27 | 河南农业大学 | Peanut three-generations-a-year generation-increasing breeding technology |
| CN105594585A (en) * | 2016-01-28 | 2016-05-25 | 新疆农垦科学院 | Breeding method of anniversary four generations of sunflower selfing line |
| CN107926515A (en) * | 2017-12-08 | 2018-04-20 | 新疆农垦科学院 | A kind of sunflower south numerous added-generation cultural method |
| CN115152539A (en) * | 2022-07-26 | 2022-10-11 | 石家庄市农林科学研究院 | Greenhouse generation-adding breeding method for okra |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105075578A (en) * | 2015-07-02 | 2015-11-25 | 江苏丘陵地区镇江农业科学研究所 | Method for producing bulb and controlling florescence by utilizing effective accumulated temperature in tulip growing period |
| CN105519337A (en) * | 2016-01-05 | 2016-04-27 | 河南农业大学 | Peanut three-generations-a-year generation-increasing breeding technology |
| CN105594585A (en) * | 2016-01-28 | 2016-05-25 | 新疆农垦科学院 | Breeding method of anniversary four generations of sunflower selfing line |
| CN105594585B (en) * | 2016-01-28 | 2018-07-17 | 新疆农垦科学院 | A kind of mating system in four generation of sunflower self-mating system anniversary |
| CN107926515A (en) * | 2017-12-08 | 2018-04-20 | 新疆农垦科学院 | A kind of sunflower south numerous added-generation cultural method |
| CN115152539A (en) * | 2022-07-26 | 2022-10-11 | 石家庄市农林科学研究院 | Greenhouse generation-adding breeding method for okra |
| CN115152539B (en) * | 2022-07-26 | 2023-10-17 | 石家庄市农林科学研究院 | Greenhouse generation-adding breeding method for okra |
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Application publication date: 20150527 |