CN105284602A - Ornamental cotton hybrid seed production method - Google Patents
Ornamental cotton hybrid seed production method Download PDFInfo
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- CN105284602A CN105284602A CN201510817287.1A CN201510817287A CN105284602A CN 105284602 A CN105284602 A CN 105284602A CN 201510817287 A CN201510817287 A CN 201510817287A CN 105284602 A CN105284602 A CN 105284602A
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Abstract
The present invention provides an ornamental cotton hybrid seed production method, a short season cotton conventional material or a short season cotton HB safflower marked material is used for hybridization with upland cotton material T586, by hybridization breeding, stable lines carrying different traits are bred; the lines are transformed into sterile lines by use of an upland cotton cytoplasmic sterile line material as female parent and the bred stable lines carrying different traits respectively as male parent; the obtained sterile line carrying target trait is selected as female parent, sea island cotton sea 7124 or upland cotton HB is selected as male parent, hybridized combination is configured, and the generation F1 is ornamental cotton. The method can shorten the breeding cycle of the ornamental cotton, and broaden the ornamental cotton parental origin. The performances of the ornamental cotton in planting are: sterility, and only flowering without balling and opening of bolls, nutrient demand is relatively less, the cost of cultivation is reduced, and the purity of the ornamental cotton can be ensured because no seed is left for re cultivation.
Description
Technical field
The present invention relates to Biology Breeding field, specifically a kind of cross-breeding method viewing and admiring cotton.
Background technology
Cotton is one of main economic crops in China, and the cotton fiber of generation is important textile industry raw material.Cotton leaf is generally green, and flower is milky, and Post flowering is transformed into peony soon and then withers.Because knot bell blow-of-cottons need a large amount of nutrient, should not as viewing and admiring.Viewing and admiring cotton is that flower is beautiful in colour, and the aspect shapes such as stem, leaf and plant type are special, and type is enriched, and has the cultivated cotton newtype of ornamental value.View and admire cotton and not only have florescence long, drought resisting and adaptable feature, and pattern enriches, leaf look, leaf special, plant type is many.Viewing and admiring cotton both can outdoor cropping, also can make potted landscape, can make park and garden design style varied, especially in drought area, viewed and admired cotton and had more advantage as green plants.
At present less about viewing and admiring cotton research, existingly view and admire cotton breeding method, with the short strain of seville orange flower base great red spot after sea-land hybridization cotton for female parent, the strain of red chicken foot leaf flower base erythema is paternal hybrid, and then seed selection views and admires cotton in generation after hybridization.Existing to view and admire the cotton selection seed selection cycle long, and Juvenile stage limitation is large, and distant hybrid progeny fertility instability, add and view and admire cotton seed selection difficulty.What select views and admires cotton and can tie bell, blow-of-cottons simultaneously, adds nutrient demand, after plantation again of reserving seed for planting, because natural hybrization can not ensure to view and admire cotton purity.
Summary of the invention
The present invention is intended to for the deficiencies in the prior art, and provide a kind of and view and admire cotton cross-breeding method, the present invention can shorten the seed selection cycle of viewing and admiring cotton, widens and views and admires cotton parental source, reduces and views and admires cotton cultivation cost, ensure to view and admire cotton purity.
For this reason, technical solution of the present invention is as follows, a kind of cross-breeding method viewing and admiring cotton, utilize flower bud amount large, bloom short season cotton conventional material or short season cotton HB safflower marker material concentrated, do hybridize with upland cotton material T586 (there is red corolla, red base spot, red shank, red autumnal leaves and chicken foot leaf phenotype), by selection cross, select stable each strain of carrying various trait, as the proterties such as greenery, red autumnal leaves, red shank, green stem, few hair, safflower, chicken foot leaf, duck's foot leaf.Then utilize upland cotton cytoplasmic sterility based material to be female parent, each strain of carrying various trait is respectively male parent and does and hybridize, and each strain transformation is become male sterile line.
According to demand, select the male sterile line carrying objective trait to do female parent, do male parent with sea-island cotton sea 7124 or upland cotton HB, configuration hybrid combination, Offspring F1 is views and admires cotton.View and admire cotton performance varied, as red bract, Chinese red petal, red large base spot, chrysanthemum medicine, red shank, is with red etc., has stronger sight in blade edge.
The present invention one of selects cotton cytoplasmic sterility material to be parent, and the F1 generation that hybridization obtains is views and admires cotton, and the seed selection cycle is short.Meanwhile, cytoplasmic sterility gene can according to demand, and transformation is in the arbitrary parent needed, and Juvenile stage face width, can obtain viewing and admiring of various various trait cotton.View and admire and show as sterile when cotton seed is planted, only bloom, do not tie bell blow-of-cottons, relatively will lack nutrient demand, not only reduce planting cost, and can not reserve seed for planting and again plant, ensure that and view and admire cotton purity.
The present invention has following beneficial effect
(1) Thinking Creation
The utilization of crop heterosis in the past, mostly based on the hybrid vigour of crop economy output.The present invention, mainly based on the sight of hybrid generation, does not consider the economic flow rate of hybrid generation, has widened heterosis utilization scope.
(2) method innovation
View and admire in the conventional herd breeding of cotton, view and admire the stable difficulty of woolliness shape, the seed selection cycle is long.The present invention is in the cultivating process viewing and admiring cotton, and cotton cytoplasmic sterility based material is as one of parent, and utilize F1 generation as viewing and admiring cotton, make to view and admire cotton seed selection cycle time, proterties is stable fast, and purity is high.
(3) new way that different cotton type utilizes has been opened up
Viewed and admired cotton seed selection in the past, mainly with upland cotton and sea-island cotton for seed selection parent, select in offspring.The present invention, as required and actual conditions, can select other wild cotton types as parent, has widened the approach that dissimilar cotton utilizes for seed selection parent with short season cotton, upland cotton, sea-island cotton simultaneously.
Accompanying drawing explanation
Fig. 1 is cross-breeding method route map of the present invention.
Fig. 2 be the embodiment of the present invention 1 hybridize obtain view and admire cotton.
Fig. 3 be the embodiment of the present invention 2 hybridize obtain view and admire cotton.
Embodiment
Further illustrate the present invention below by embodiment, following examples are the concrete embodiment of the present invention, but embodiments of the present invention are by the restriction of following embodiment.
The each crop varieties (strain) used in various embodiments of the present invention is the conventional kind (strain) used in breeding field, is assert or technical appraisement by country's authorization, can obtain or market purchasing at species bank.
Embodiment 1
1. kind plant short season cotton HB safflower marker material S068 and T586.
1.1 is female parent with S068, after emasculation, take T586 as male parent, to S068 pollination, hybridizes, obtains F1.
Plant F1 for 1.2 kinds, and carry out selfing, obtain F2 colony.
Plant F2 for 1.3 kinds, according to each cotton plant phenotype, select the individual plant of safflower, red shank, red autumnal leaves, few hair.
1.4 kinds of individual plants of planting selection, select safflower, red shank, red autumnal leaves, the individual plant of few hair carry out selfing.
1.5 with step 1.4, until select the strain 13N9 of stable safflower, red shank, red autumnal leaves, few hair.
2. kind plant 13N9 and cotton cytoplasmic sterility based material 118A
Take 118A as donor parents, 13N9 is recurrent parent, carries out backcross transformation, obtains the strain 13N9A of safflower, red shank, red autumnal leaves, few hair.
3. kind to plant 13N9A and sea 7124
Take 13N9A as female parent, sea 7124 is hybridized for male parent, and acquisition F1 seed is views and admires cotton seed.After plantation, view and admire cotton and show as safflower red shank, be with red in blade edge, plant height is higher, sees Fig. 2.
Embodiment 2
1. kind plant short season cotton material S067 and T586.
1.1 is female parent with S067, after emasculation, take T586 as male parent, to S067 pollination, hybridizes, obtains F1.
Plant F1 for 1.2 kinds, and carry out selfing, obtain F2 colony.
Plant F2 for 1.3 kinds, according to each cotton plant phenotype, select to spend in vain, red shank, red autumnal leaves, few hair individual plant.
1.4 kinds of individual plants of planting selection, select to spend in vain, red shank, red autumnal leaves, few hair individual plant carry out selfing.
1.5 with step 1.4, until select stable to spend in vain, red shank, red autumnal leaves, few hair strain 13N8.
2. kind plant 13N8 and cotton cytoplasmic sterility based material 118A
Take 118A as donor parents, 13N8 is recurrent parent, carries out backcross transformation, and acquisition is spent in vain, the strain 13N8A of red shank, red autumnal leaves, less hair.
3. kind plant 13N8A and 13N8
Take 13N8A as female parent, 13N8 is that male parent is hybridized, and acquisition F1 seed is views and admires cotton seed.After plantation, view and admire cotton and show as red shank red autumnal leaves, have red during pattern is white, plant height is shorter, sees Fig. 3.
Claims (3)
1. view and admire a cotton cross-breeding method, it is characterized in that, comprise the following steps:
(1) utilize short season cotton conventional material or short season cotton HB safflower marker material, do with upland cotton material T586 and hybridize, by selection cross, select stable each strain of carrying various trait;
(2) utilize upland cotton cytoplasmic sterility based material to be female parent, stable each strain of carrying various trait of step (1) seed selection is respectively male parent and does and hybridize, and each strain transformation is become male sterile line;
(3) male sterile line carrying objective trait that optional step (2) obtains does female parent, does male parent with sea-island cotton sea 7124 or upland cotton HB, configuration hybrid combination, and Offspring F1 is views and admires cotton.
2. view and admire cotton cross-breeding method as claimed in claim 1, it is characterized in that, the short season cotton conventional material of described step (1) is the short season cotton conventional material that flower bud amount is large, bloom concentrated.
3. view and admire cotton cross-breeding method as claimed in claim 1, it is characterized in that, the short season cotton conventional material of described step (1) or short season cotton HB safflower marker material are maternal, and upland cotton material T586 is male parent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510817287.1A CN105284602A (en) | 2015-11-20 | 2015-11-20 | Ornamental cotton hybrid seed production method |
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| CN201510817287.1A CN105284602A (en) | 2015-11-20 | 2015-11-20 | Ornamental cotton hybrid seed production method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107810849A (en) * | 2016-09-14 | 2018-03-20 | 中国彩棉（集团）股份有限公司 | A kind of selection of brown long wool cotton variety |
| CN108476971A (en) * | 2018-03-27 | 2018-09-04 | 中国农业科学院棉花研究所 | A kind of propagation method of ornamental type cotton |
| CN109863974A (en) * | 2018-11-22 | 2019-06-11 | 安徽省农业科学院棉花研究所 | A kind of coloured silk leaf watches the breeding method of cotton |
| CN113287514A (en) * | 2021-07-07 | 2021-08-24 | 安徽省农业科学院棉花研究所 | Propagation method of mottled leaf ornamental cotton |
| CN115443904A (en) * | 2022-09-30 | 2022-12-09 | 石家庄市农林科学研究院 | Method for breeding conventional variety and identifying purity by using index character of Bikstan cotton |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107810849A (en) * | 2016-09-14 | 2018-03-20 | 中国彩棉（集团）股份有限公司 | A kind of selection of brown long wool cotton variety |
| CN108476971A (en) * | 2018-03-27 | 2018-09-04 | 中国农业科学院棉花研究所 | A kind of propagation method of ornamental type cotton |
| CN109863974A (en) * | 2018-11-22 | 2019-06-11 | 安徽省农业科学院棉花研究所 | A kind of coloured silk leaf watches the breeding method of cotton |
| CN113287514A (en) * | 2021-07-07 | 2021-08-24 | 安徽省农业科学院棉花研究所 | Propagation method of mottled leaf ornamental cotton |
| CN113287514B (en) * | 2021-07-07 | 2022-11-29 | 安徽省农业科学院棉花研究所 | Propagation method of mottled leaf ornamental cotton |
| CN115443904A (en) * | 2022-09-30 | 2022-12-09 | 石家庄市农林科学研究院 | Method for breeding conventional variety and identifying purity by using index character of Bikstan cotton |
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