CN104686317A - Method for breeding multi-bolting cold-resistant flowering cabbage - Google Patents
Method for breeding multi-bolting cold-resistant flowering cabbage Download PDFInfo
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- CN104686317A CN104686317A CN201510057799.2A CN201510057799A CN104686317A CN 104686317 A CN104686317 A CN 104686317A CN 201510057799 A CN201510057799 A CN 201510057799A CN 104686317 A CN104686317 A CN 104686317A
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Abstract
The invention discloses a method for breeding a multi-bolting cold-resistant flowering cabbage and belongs to the technical field of plant breeding. The method for breeding the multi-bolting cold-resistant flowering cabbage comprises the following steps: hybridizing purple flowering stalk with flowering cabbage to obtain a colony F1; selfing the obtained colony F1 to obtain a colony F2; selecting single plants consistent with breeding aims from the colony F2, and carrying out backcross on the selected single plants and the flowering cabbage; selecting single plants consistent with breeding aims in the backcross generation, and selfing the selected single plants; selecting single plants consistent with breeding aims in the selfing generation, and carrying out backcross on the selected single plants and the flowering cabbage to obtain the backcross generation; and then repeating selfing, so that the multi-bolting cold-resistant flowering cabbage is obtained. The method for breeding the multi-bolting cold-resistant flowering cabbage has the advantages that multi-bolting and cold-resistant characters of the purple flowering stalk are introduced into the flowering cabbage, the multi-bolting cold-resistant flowering cabbage variety is cultivated, and the multi-bolting cold-resistant flowering cabbage variety can grow in the Yangtze River region in autumn and winter due to the cold-resistant character; meanwhile, side flower stalk generative power is strong, side flower stalks are harvested mainly, one-time seeding and multiple harvesting are realized, a harvesting period is long, yield is high, and farming cost is reduced.
Description
Technical field
The invention belongs to field of plant variety breeding technology, particularly a kind of many boltings resist cold the breeding method of cabbage heart.
Background technology
Cabbage heart is the vegetables that the areas such as Guangdong, Guangxi, Southeast Asia are extensively cultivated.Its planting type mainly with live be main, disposablely after main a kind of sedge pumping to gather.Cabbage heart all can normally be cultivated in spring in area, the Yangtze river basin, summer, early autumn, but in autumn and winter season because this regional temperature is low, and existing cabbage heart is cold-resistant and growth is slow, yield poorly, and is not suitable for producing.And existing cabbage heart kind side a kind of sedge forces occurring is weak, can only based on main a kind of sedge of gathering, once sowing can only be gathered in the crops once, and production often needs repeatedly multiple cropping, and farming cost is high.
Many boltings refer to that stem side a kind of sedge (colored a kind of sedge that axil occurs) generating ability is strong, can, for repeatedly gathering, be the main source of commodity output.
Summary of the invention
The object of the invention is to solve current cabbage heart kind do not resist cold, based on main a kind of sedge of gathering, yield poorly, be not suitable for the problem of Yangtze river basin area autumn and winter outdoor cropping, the breeding method that a kind of many boltings resist cold cabbage heart is provided.
Object of the present invention is achieved through the following technical solutions: a kind of many boltings resist cold the breeding method of cabbage heart, purple flowering stalk and cabbage heart are hybridized, again through selfing and the method that backcrosses, be bred as that side a kind of sedge generating ability is strong, cold resistance good, outward appearance, quality with the kind of cabbage heart, the step comprised is as follows:
1) purple flowering stalk and cabbage heart are hybridized, and obtain F1 colony;
2) by step 1) the F1 colony selfing that obtains, obtain F2 colony;
3) in F2 colony, select the individual plant that side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outward appearance is partial to cabbage heart, backcross with cabbage heart, obtain backcross progeny;
4) in step 3) described in backcross progeny in select that side a kind of sedge generating ability is strong, cold resistance good, the individual plant selfing of the substantially similar cabbage heart of tender flower stalk outward appearance, obtain self progeny;
5) in step 4) described in self progeny in select that plant side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like the individual plant of cabbage heart, backcross with cabbage heart, obtain backcross progeny;
6) in step 5) described in backcross progeny in select that side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like the individual plant selfing of cabbage heart, obtain self progeny;
7) repeat step 6), until obtain colony neat and consistent, proterties meets breeding objective (side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like cabbage heart) many boltings resist cold cabbage heart.
Described side a kind of sedge generating ability refers to that by force plant base portion axil repeatedly pumping can spend a kind of sedge, and more than diameter 1.0cm;
Described cold resistance within 4 hours, can not occur at referring to well plant-2 DEG C obvious injury, more than 5 DEG C can grow.
Step 2) described in the scale of F1 colony be greater than 300 strains, large as far as possible in experimental condition permission situation;
Step 4) described in the population size of self progeny be greater than 200 strains, large as far as possible in experimental condition permission situation;
Step 6) described in the population size of self progeny be greater than 100 strains, large as far as possible in experimental condition permission situation;
Step 7) described in repeat number of times be preferably 2 ~ 5 times.
Step 1) described in purple flowering stalk can with many boltings, cold-resistant Chinese cabbage a kind of sedge, cabbage type rape replace, also can realize breeding method of the present invention and breeding objective.
The present invention has following advantage and effect relative to prior art:
Many Bolting trait of purple flowering stalk, cold tolerance trait are imported cabbage heart by the present invention, cultivate many boltings to resist cold the breeding method of cabbage heart, the resist cold cold resistance of cabbage heart kind of the many boltings obtained is applicable to autumn and winter season at the Changjiang river regional production, side a kind of sedge forces occurring is strong simultaneously, based on side a kind of sedge of gathering, once sows, Multiple harvests, picking time is long, and output is high, reduces farming cost high simultaneously.
Accompanying drawing explanation
Fig. 1 is that many boltings that the embodiment of the present invention 1 obtains resist cold the result figure of cabbage heart.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
The invention provides a kind of many boltings to resist cold the breeding method of cabbage heart, purple flowering stalk and cabbage heart are hybridized, then through selfing and the method that backcrosses, be bred as that side a kind of sedge generating ability is strong, outward appearance, quality be with the kind of cabbage heart; Breeding field trial is carried out in Changsha autumn and winter (seedtime was advisable with September) or other similar climatological region, so that cold resistance screening.The step comprised is as follows:
1) purple flowering stalk and cabbage heart are hybridized, and obtain F1 colony;
2) by step 1) the F1 colony selfing that obtains, obtain F2 colony; Require that colony is greater than 300 strains, large as far as possible in experimental condition permission situation;
3) in F2 is for colony, selects the individual plant that plant side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outward appearance is partial to cabbage heart, backcrosses with cabbage heart, obtain backcross progeny;
4) in step 3) described in backcross progeny in select that side a kind of sedge generating ability is strong, cold resistance good, the individual plant selfing of the substantially similar cabbage heart of tender flower stalk outward appearance, obtain self progeny, require that self progeny colony is greater than 200 strains, large as far as possible in experimental condition permission situation;
5) in step 4) described in self progeny in select that plant side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like the individual plant of cabbage heart, backcross with cabbage heart, obtain backcross progeny;
6) in step 5) described in backcross progeny in select that side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce is like the individual plant selfing of cabbage heart, obtain self progeny, require that this self progeny colony is greater than 100 strains, large as far as possible in experimental condition permission situation;
7) step 6 is repeated), the cabbage heart (as shown in Figure 1) until many boltings that colony's neat and consistent, proterties meet breeding objective (side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like cabbage heart) resist cold.
Step 1) described in purple flowering stalk can with many boltings, cold-resistant Chinese cabbage a kind of sedge, cabbage type rape replace, also can realize breeding method of the present invention and breeding objective.
The present invention is by many Bolting trait of purple flowering stalk, cold-resistant importing cabbage heart, cultivate many boltings to resist cold the breeding method of cabbage heart, the resist cold cold resistance of cabbage heart of the many boltings obtained is applicable to autumn and winter season at the Changjiang river regional production, side a kind of sedge forces occurring is strong simultaneously, based on side a kind of sedge of gathering, once sows, Multiple harvests, picking time is long, and output is high, reduces farming cost high simultaneously.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. bolting more than resists cold the breeding method of cabbage heart, it is characterized in that: the step comprised is as follows:
1) purple flowering stalk and cabbage heart are hybridized, and obtain F1 colony;
2) by step 1) the F1 colony selfing that obtains, obtain F2 colony;
3) in F2 colony, select the individual plant that side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outward appearance is partial to cabbage heart, backcross with cabbage heart, obtain backcross progeny;
4) in step 3) described in backcross progeny in select that side a kind of sedge generating ability is strong, cold resistance good, the individual plant selfing of the substantially similar cabbage heart of tender flower stalk outward appearance, obtain self progeny;
5) in step 4) described in self progeny in select that plant side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like the individual plant of cabbage heart, backcross with cabbage heart, obtain backcross progeny;
6) in step 5) described in backcross progeny in select that side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like the individual plant selfing of cabbage heart, obtain self progeny;
7) repeat step 6), until obtain colony neat and consistent, proterties meets breeding objective (side a kind of sedge generating ability is strong, cold resistance good, tender flower stalk outer appearnce like cabbage heart) many boltings resist cold cabbage heart;
Described side a kind of sedge generating ability refers to that by force plant base portion axil repeatedly pumping can spend a kind of sedge, and more than diameter 1.0cm;
Described cold resistance within 4 hours, can not occur at referring to well plant-2 DEG C obvious injury, more than 5 DEG C can grow.
2. many boltings according to claim 1 resist cold the breeding method of cabbage heart, it is characterized in that: step 2) described in the scale of F1 colony be greater than 300 strains.
3. many boltings according to claim 1 resist cold the breeding method of cabbage heart, it is characterized in that: step 4) described in the population size of self progeny be greater than 200 strains.
4. many boltings according to claim 1 resist cold the breeding method of cabbage heart, it is characterized in that: step 6) described in the population size of self progeny be greater than 100 strains.
5. many boltings according to claim 1 resist cold the breeding method of cabbage heart, it is characterized in that: step 1) described in the many boltings of purple flowering stalk, cold-resistant Chinese cabbage a kind of sedge, cabbage type rape replace.
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| CN201510057799.2A CN104686317A (en) | 2015-02-04 | 2015-02-04 | Method for breeding multi-bolting cold-resistant flowering cabbage |
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| CN201510057799.2A CN104686317A (en) | 2015-02-04 | 2015-02-04 | Method for breeding multi-bolting cold-resistant flowering cabbage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248271A (en) * | 2015-10-13 | 2016-01-20 | 江苏太湖地区农业科学研究所 | Environmental-impact-free method for creating upright and compact type germplasm resources of Chinese flowering cabbage |
| CN106417001A (en) * | 2016-09-28 | 2017-02-22 | 云南省农业科学院生物技术与种质资源研究所 | Breeding method of Indica rice variety resistant to cold in booting and flowering stages |
| CN106962175A (en) * | 2017-03-15 | 2017-07-21 | 湖南省蔬菜研究所 | The method for creating of carpopodium impact resistance and the excellent Pumpkin Germplasm resource of Comprehensive Traits |
| CN112493117A (en) * | 2020-12-01 | 2021-03-16 | 湖南省作物研究所 | Breeding method of cluster-growing type rape variety with multiple main stems |
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| CN102986523A (en) * | 2012-11-30 | 2013-03-27 | 江苏太湖地区农业科学研究所 | Breeding method of novel germplasm resource of green tender flower stalk |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248271A (en) * | 2015-10-13 | 2016-01-20 | 江苏太湖地区农业科学研究所 | Environmental-impact-free method for creating upright and compact type germplasm resources of Chinese flowering cabbage |
| CN106417001A (en) * | 2016-09-28 | 2017-02-22 | 云南省农业科学院生物技术与种质资源研究所 | Breeding method of Indica rice variety resistant to cold in booting and flowering stages |
| CN106962175A (en) * | 2017-03-15 | 2017-07-21 | 湖南省蔬菜研究所 | The method for creating of carpopodium impact resistance and the excellent Pumpkin Germplasm resource of Comprehensive Traits |
| CN106962175B (en) * | 2017-03-15 | 2018-10-26 | 湖南省蔬菜研究所 | The method for creating of carpopodium impact resistance and the excellent Pumpkin Germplasm resource of Comprehensive Traits |
| CN112493117A (en) * | 2020-12-01 | 2021-03-16 | 湖南省作物研究所 | Breeding method of cluster-growing type rape variety with multiple main stems |
| CN112493117B (en) * | 2020-12-01 | 2021-12-28 | 湖南省作物研究所 | Breeding method of cluster-growing type rape variety with multiple main stems |
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Application publication date: 20150610 |