CN107810858A - One kind views and admires sunflower stock breeding method - Google Patents

One kind views and admires sunflower stock breeding method Download PDF

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Publication number
CN107810858A
CN107810858A CN201711159639.4A CN201711159639A CN107810858A CN 107810858 A CN107810858 A CN 107810858A CN 201711159639 A CN201711159639 A CN 201711159639A CN 107810858 A CN107810858 A CN 107810858A
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China
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plant
seed
individual
floral disc
individual plant
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CN201711159639.4A
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CN107810858B (en
Inventor
戚永奎
陈涛
葛兆建
朱明�
陈永红
纪炜
唐伯平
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Jiangsu Institute of Coastal Area Agricultural Sciences
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Jiangsu Institute of Coastal Area Agricultural Sciences
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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
    • A01H5/00Angiosperms, i.e. flowering plants, characterised by their plant parts; Angiosperms characterised otherwise than by their botanic taxonomy
    • A01H5/10Seeds

Abstract

The invention discloses one kind to view and admire sunflower stock breeding method, according to Single-plant selection, selfing isolation, the a small amount of seed of final election individual plant is extracted after indoor species test and carries out plant identification, it is standby to preserve a large amount of seeds of final election individual plant, after plant identification, eliminate the standby kind of bad individual plant, the standby seed mass reproduc of individual plant of the consistent excellent plant of character, then individual plant is selected from the consistent plant of character again, circulate aforesaid operations, obtain next group seed, this method can rapidly and efficiently obtain purity height, character it is consistent view and admire sunflower seed, shorten breeding program, improve breeding efficiency, save breeding cost.

Description

One kind views and admires sunflower stock breeding method
Technical field
The invention belongs to crop fine breed raising technology field, and in particular to one kind views and admires sunflower stock breeding method.
Background technology
Sunflower (Helianthus anuus L.) is that composite family (Compositae) Helianthus (Helianthus) is planted Thing, North America is originated in, China is passed to about at the beginning of 16 end of the centurys or the 17th century.For a long time, sunflower China mainly as Oil crops and leisure food use.In recent years, as national economic development and living standards of the people improve, people start more Focus on the enjoyment of cultural life, the features such as sunflower is more with its pattern, and flower pattern is overflowing with enthusiasm is loved by people, rich in viewing and admiring more by force Property, Jiangsu Inst. of Coastal Area Agricultural Sciences complies with agriculture supply side reform and the requirement of Agri-Tourism Development, selected more Kind of flower pattern and pattern view and admire sunflower new varieties.
Conventional crop stock breeding generally use " three-field system " is plant garden, strain nursery, original seed farm, and " two garden systems " is strain Row garden and original seed farm produce seed or the method production seed using " individual plant selfing is mixed numerous ", and the above method is typically to be directed to certainly Flower pollinated plant and Constantly allogamous plant, because its outcrossing seed-setting rate is low, its purity is easily kept by above method.Xiang Certain herbaceous plants with big flowers is cross-pollinatd plant, and its homozyous seed generally use self-mating system preserves, and is suitable only for breeding man and carries out field test, sowing quantity Seldom.For many years practice have shown that, 800-1500 grain seeds can be produced in a general medium sized oily certain herbaceous plants with big flowers or food sunflower disk, are seen Every plant of sunflower of reward typically has 10-15 floral disc, and poppyhead typically has 800-1200 grain seeds, and side shoot floral disc typically has 300-500 grain seeds, every plant can harvest that 4000-5000 grain seeds are even more more, and breeding coefficient is higher.View and admire the plantation of sunflower Density is typically relatively low, is planted per 667m2 kinds and takes around plantation 1500-2000 strains, unit area need to the amount of kind it is smaller, in order to market Offer more preferably views and admires sunflower new varieties seed, and we, by long-term practice, grind according to these characteristics for viewing and admiring sunflower Study carefully and invented this new stock breeding method for being adapted to its fast breeding.
The content of the invention
The invention provides one kind to view and admire sunflower stock breeding method.
In order to solve the above problems, the technical solution adopted in the present invention is such, and one kind views and admires sunflower stock breeding Method, comprise the following steps:
1) field Single-plant selection:Field proper seeding by inbreeding of more generation seed selection, be adapted to sight view and admire, character stable and consistent Sunflower new varieties seed is appreciated, during squaring period, according to the growing way appearance of plant, selection meets the individual plant of kind typical case's character, entered Line number;The bagging selfing in 1-3 days before stem floral disc is bloomed by the individual plant chosen, Post flowering, superseded floral disc abnormity and pattern The inconsistent plant with the kind plant pattern, plant division harvesting selfing floral disc by number after elected individual plant maturation;
2) individual plant threshing species test:The species test indoors of the seed for the individual plant that step 1) is chosen, superseded seed properties do not meet the product The individual plant of typical character is planted, selects 20-50 strains to carry out plant identification in remaining individual plant;
3) plant is identified:A small amount of seed is taken out in the seed for the individual plant chosen from step 2), branch's plantation strain is advanced in order Row field test;Remaining Seed storage is standby;Wherein, plant height, number of branch, stem floral disc size, three row's floral disc sizes, flower Color, hundred grain weight, the plant of seed color and shape of the seed neat and consistent are accredited as excellent plant;
4) seed produces:The standby seed that step 3) plant is accredited as numbering individual plant belonging to the consistent excellent plant of character will be passed through Mixed, and bred by means such as culturing and transplanting seedlings, obtain first seed;
5) will be accredited as by step 3) in excellent plant, according still further to step 1), 2), 3) He 4) the step of and method carry out field Single-plant selection, individual plant threshing species test, plant identification and seed production, obtain second batch seed, circulate, more criticized successively Seed.
Preferably, in step 1), during squaring period, plant height is selected to be differed with the average plant height of the kind plant within ± 3cm, Number of branch differs the individual plant that within ± 2 and leaf color is consistent with the kind plant leaf color with the number of branch of the kind plant and compiled Number.
Preferably, in step 1), Post flowering, stem floral disc size and the average stem floral disc size of the kind plant are eliminated Difference ± more than 2cm, three row's floral disc sizes and the kind plant averagely fall three row's floral disc sizes differ ± more than 1cm or with The inconsistent individual plant of the kind plant pattern.
Preferably, in step 1), the mode of bagging uses whole strain bagging or single according to the progress of blooming of complete stool floral disc Separate bagging.
Preferably, during the indoor species test of step 2), eliminate hundred grain weight and the hundred grain weight of the kind plant differs greatly In ± 0.2g, seed color and the kind plant seed color are inconsistent or shape of the seed differs with the kind plant seed shape The individual plant of cause.
Preferably, when step 3) plant is identified, in elite plant behavior plant between each individual plant within plant height difference ± 3cm, Number of branch is differed within ± 2, and leaf color is consistent, is green, blackish green or light green, stem floral disc size difference ± 2cm with Interior, within three row's floral disc size difference ± 1cm, pattern is consistent, is yellow, milk yellow, orange, purple, white or colour, Each individual plant harvest hundred grain weight is more or less the same in ± 0.2g in plant, and seed color is consistent, is aterrimus, grey, greyish white Color, flower shell or white, and shape of the seed is consistent, is granule type or long avette.
Preferably, when step 3) plant is identified, the surrounding in plant identification garden plants the seed conduct with the individual plant with kind Protection zone or long-stalked crop carry out insulation blocking.
Preferably, when step 3) plant is identified, plant quantitative requirement is not less than 20 rows, and each plant is no less than 40 plants.
Preferably, when step 3) plant is identified, disease in each plant of strain and protection zone is pulled out in time, becomes, is bad, miscellaneous plant Strain, to reduce the risk of variation plant and elected individual plant cross-pollination.
Beneficial effect:The present invention uses Single-plant selection, and a small amount of seed of final election individual plant is extracted after indoor species test and carries out plant mirror Fixed, the preservation a large amount of seeds of final election individual plant are standby, after plant identification, eliminate the standby kind of bad individual plant, the consistent individual plant of character is standby With seed mass reproduc, aforesaid operations then are circulated from the consistent plant of character again, obtain more criticizing seed, this method is quick Efficiently and what is obtained views and admires sunflower seed purity height, and character is consistent, shortens breeding program, improves breeding efficiency, saves breeding Cost.
The present invention can be achieved to view and admire the stock breeding of sunflower, and large batch of offer is homozygous unanimously, ornamental value is high views and admires Sunflower seed, field only set individual plant identification garden and seed production field, and the two ratio is about 1 ﹕ 300-500, so as to meet The supply requirement that market increases year by year to viewing and admiring sunflower, promote sight-seeing agriculture and characteristic small town development.
Brief description of the drawings
Fig. 1 is to view and admire sunflower stock breeding seed flow sheet.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, the embodiment It is only used for explaining the present invention, is not intended to limit the scope of the present invention..
One kind views and admires sunflower stock breeding method, comprises the following steps:
1) field Single-plant selection:Field proper seeding by inbreeding of more generation seed selection, be adapted to sight view and admire, character stable and consistent Sunflower new varieties seed is appreciated, during squaring period, according to the growing way appearance of plant, selects tree characteristics to meet kind typical case's character Individual plant, that is, plant height is selected to be differed with the average plant height of the kind plant within ± 3cm, number of branch and the number of branch of the kind plant The individual plant that within ± 2 and leaf color is consistent with the kind plant leaf color is differed to be numbered;The individual plant chosen is spent in stem It is selfed using whole strain bagging or according to the single bagging that separates of the progress of blooming of complete stool floral disc within 1-3 days before disk is bloomed, Post flowering, Floral disc abnormity and pattern and the inconsistent individual plant of the kind plant pattern are eliminated, that is, eliminates stem floral disc size and the kind plant Average stem floral disc size difference ± more than 2cm, three row's floral disc sizes and the kind plant averagely to fall three row's floral discs big Small difference ± more than 1cm or the plant inconsistent with the kind plant pattern, plant division harvests by number after elected individual plant maturation It is selfed floral disc;
2) individual plant threshing species test:The species test indoors of the seed for the individual plant that step 1) is chosen, superseded seed properties do not meet the product The individual plant of the typical character of kind, that is, eliminate hundred grain weight and the hundred grain weight of the kind plant differs by more than ± 0.2g, seed Color and the kind plant seed color be inconsistent or shape of the seed and the inconsistent individual plant of the kind plant seed shape, remaining Individual plant in select 20-50 strains to carry out plant identification;
3) plant is identified:A small amount of seed is taken out in the seed for the individual plant chosen from step 2), branch's plantation strain is advanced in order Row field test, plant quantitative requirement are not less than 20 rows, and each plant is no less than 40 plants;Remaining Seed storage is standby;In order to Ensure individual plant purity, plant identification garden surrounding plantation with the individual plant with kind seed as protection zone or long-stalked crop Insulation blocking is carried out, according to growing way appearance, disease in each plant and protection zone is pulled out in time, becomes, be bad, miscellaneous plant;According to strain The plant height of plant in row, number of branch, stem floral disc size, fall three row's floral disc sizes, pattern, hundred grain weight, seed color and Whether shape of the seed unanimously determines whether excellent plant, i.e., between each individual plant within plant height difference ± 3cm, number of branch difference Within ± 2, leaf color is consistent, is green, blackish green or light green, within stem floral disc size difference ± 2cm, three side shoot Within floral disc size difference ± 1cm, pattern is consistent, is yellow, milk yellow, orange, purple, white or colour etc.;Seed hundred Grain heavy phase difference is not more than ± 0.2g, and seed color is consistent, is aterrimus, grey, canescence, flower shell or white etc. and seed shape Shape is consistent, is that granule type or ovate-oblong plant are accredited as excellent plant.
4) seed produces:Step 3) plant will be passed through and be accredited as the standby of numbering individual plant belonging to the consistent excellent plant of character Seed is mixed, and is bred by means such as culturing and transplanting seedlings, obtains first seed;
5) be accredited as in excellent plant by step 3), according still further to step 1), 2), 3) He 4) the step of and method progress field Single-plant selection, individual plant threshing species test, plant identification and seed production, obtain second batch seed, circulate, more criticized successively Seed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.

Claims (9)

1. one kind views and admires sunflower stock breeding method, it is characterised in that comprises the following steps:
1)Field Single-plant selection:Field proper seeding by inbreeding of more generation seed selection, be adapted to sight view and admire, character stable and consistent Sunflower new varieties seed is appreciated, during squaring period, according to the growing way appearance of plant, selection meets the individual plant of kind typical case's character, entered Line number;The bagging selfing in 1-3 days before stem floral disc is bloomed by the individual plant chosen, Post flowering, superseded floral disc abnormity and pattern The inconsistent plant with the kind plant pattern, plant division harvesting selfing floral disc by number after elected individual plant maturation;
2)Individual plant threshing species test:By step 1)The species test indoors of the seed for the individual plant chosen, superseded seed properties do not meet the product The individual plant of typical character is planted, selects 20-50 strains to carry out plant identification in remaining individual plant;
3)Plant is identified:From step 2)A small amount of seed is taken out in the seed for the individual plant chosen, branch's plantation in order is entered into plant Row field test;Remaining Seed storage is standby;Wherein, plant height, number of branch, stem floral disc size, three row's floral disc sizes, flower Color, hundred grain weight, the plant of seed color and shape of the seed neat and consistent are accredited as excellent plant;
4)Seed produces:Step 3 will be passed through)What plant was accredited as numbering individual plant belonging to the consistent excellent plant of character continues to employ seed Mixed, and bred by means such as culturing and transplanting seedlings, obtain first seed;
5)It is accredited as by step 3) in excellent plant, according still further to step 1)、2)、3)With 4)The step of and method carry out field Single-plant selection, individual plant threshing species test, plant identification and seed production, obtain second batch seed, circulate, more criticized successively Seed.
2. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step 1)In, during squaring period, choosing Select plant height to differ within ± 3cm with the average plant height of the kind plant, number of branch differs ± 2 with the number of branch of the kind plant Within, and the leaf color individual plant consistent with the kind plant leaf color is numbered.
3. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step 1)In, Post flowering, eliminate Stem floral disc size differs ± more than 2cm with the average stem floral disc size of the kind plant, and three side shoot floral disc sizes are with being somebody's turn to do Kind plant averagely fall three row's floral disc size difference ± more than 1cm or the individual plant inconsistent with the kind plant pattern.
4. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step(1)In, the mode of bagging Bagging is separated using whole strain bagging or according to the progress of blooming of complete stool floral disc is single.
5. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step 2)During indoor species test, wash in a pan The hundred grain weight for eliminating hundred grain weight and the kind plant differs by more than ± 0.2g, seed color and the kind plant seed face Color is inconsistent or shape of the seed and the inconsistent individual plant of the kind plant seed shape.
6. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step 3)It is excellent when plant is identified Good plant is between each individual plant in plant within plant height difference ± 3cm, and number of branch is differed within ± 2, and leaf color is consistent, is green Color, blackish green or light green, within stem floral disc size difference ± 2cm, within three row's floral disc size difference ± 1cm, pattern Unanimously, it is yellow, milk yellow, orange, purple, white or colour, each individual plant harvest hundred grain weight is more or less the same in plant In ± 0.2g, seed color is consistent, is aterrimus, grey, canescence, flower shell or white, and shape of the seed is consistent, is group Grain type or long avette.
7. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step 3)When plant is identified, strain The surrounding plantation in row identification garden carries out insulation blocking with the seed of kind with the individual plant as protection zone or long-stalked crop.
8. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step 3)When plant is identified, strain Row quantitative requirement is not less than 20 rows, and each plant is no less than 40 plants.
9. the mating system according to claim 1 for viewing and admiring sunflower breeding, it is characterized in that, step 3)When plant is identified, and When pull out in each plant of strain and protection zone disease, become, be bad, miscellaneous plant, to reduce variation plant and elected individual plant cross-pollination Risk.
CN201711159639.4A 2017-11-20 2017-11-20 Ornamental sunflower fine variety breeding method Active CN107810858B (en)

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