CN107410005A - A kind of spinach cenospecies and its selection - Google Patents
A kind of spinach cenospecies and its selection Download PDFInfo
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- CN107410005A CN107410005A CN201710317075.6A CN201710317075A CN107410005A CN 107410005 A CN107410005 A CN 107410005A CN 201710317075 A CN201710317075 A CN 201710317075A CN 107410005 A CN107410005 A CN 107410005A
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- spinach
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H1/00—Processes for modifying genotypes ; Plants characterised by associated natural traits
- A01H1/02—Methods or apparatus for hybridisation; Artificial pollination ; Fertility
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01H—NEW PLANTS OR NON-TRANSGENIC PROCESSES FOR OBTAINING THEM; PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
- A01H1/00—Processes for modifying genotypes ; Plants characterised by associated natural traits
- A01H1/04—Processes of selection involving genotypic or phenotypic markers; Methods of using phenotypic markers for selection
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- Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- General Health & Medical Sciences (AREA)
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- Developmental Biology & Embryology (AREA)
- Environmental Sciences (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
The present invention relates to a kind of selection of heat-resisting disease-resistant spinach cenospecies, belong to field of plant variety breeding technology.Breeding and half-blood producing method for seed are preserved including Juvenile stage, parent.It is characterized in that：It is respectively Parent with two stable homozygous self-mating system HL10 425 and SJ10 17, artificial hybridization is bred as spinach cenospecies ' Shanghai spinach 5 '.It is female parent with self-mating system SJ10 17, is male parent with self-mating system HL10 425, seed farm male parent is with maternal row than being 1:68, seeding row spacing carries out hybrid seeding under conditions of being 50 60 × 60 80cm, takes seed farm female parent row female plant to collect seed son.The kind has the characteristics that downy mildew resistance, heat-resisting, resistance to bolting；Erect plants, plant type is compact, and growing way is vigorous；Root is light red, and blade is the sharp leaf of circle, and leaf color is blackish green, and blade face is beautiful smooth, and nitrate content and oxalic acid content are low.
Description
Technical field
The invention belongs to field of plant variety breeding technology, more precisely a kind of seed selection side of heat-resisting disease-resistant spinach cenospecies
Method.
Background technology
Spinach (Spinacia oleracea L.) is one of important leaf vegetables industrial crops, and growth cycle is short, multiple cropping
Index is high, and in China, the South and the North is generally planted.China is that maximum spinach production and consumption is national, more than 1,200 ten thousand tons of annual production,
Account for the 90% of Gross World Product.Spinach can be eaten raw and (dress a salad), also can prepared food (fry, mix, cooking soup), can also export processing.
Spinach is nutritious, rich in cellulose, vitamin and iron, calcium etc., its carrotene contained and multivitamin, amino acid,
Prevention lung cancer and uterine cancer are benefited.Contain substantial amounts of antioxidant in spinach, help to prevent the aging of brain.Spinach can
To prevent the membrane damage that regards caused by sunshine, especially contained carrotene, protein, riboflavin and iron, phosphorus etc. have to eyes
There is health-care effect.
Spinach is cold resistance plant, non-refractory, can not ensure summer and autumn market supply.Spinach is in northern China open country
Survive the winter, but often occur by the stress of high temperature in summer and autumn cultivation low germination percentage, long potential difference, nutritive value reduce, nitrate
The problems such as accumulation, the cultivation of summer spinach is had a strong impact on, caused summer and autumn market supply deficient.With people's living standard
Improve and the change of consumption habit, summer spinach consumption market increase year by year, there is an urgent need to heat-resisting new varieties in production.
Downy mildew is most important fungal disease in spinach production, especially with the development of spinach Protectorate cultivation,
Downy mildew harm turns into the main factor for influenceing spinach yield and quality.Downy mildew of spinach is as caused by obligate pathogen
Aeroborne disease, worldwide it is widely current, main harm plant leaf, seedling stage and Adult plant can occur, and be planted to spinach
Training causes great loss.It is undesirable by pesticide control disease effect and be also easy to produce residual, it is unfavorable for the physical and mental health of people.
Therefore, disease-resistant, heat-resisting, wide adaptation range Spinach Varieties are cultivated to ask as anxious to be resolved in current spinach breeding work
Topic.
The content of the invention
In view of above mentioned problem, the present invention has carried out substantial amounts of seed selection work, high temperature resistant and downy mildew resistance energy to spinach
Power has carried out emphasis improvement, has filtered out the excellent spinach new varieties of heat-resisting, disease-resistant, resistance to bolting.
It is an object of the invention to provide a kind of excellent spinach cenospecies of heat-resisting, disease-resistant, resistance to bolting ' Shanghai spinach 5 ' and its parent
This HL10-4-2-5 and SJ10-1-7 crossbreeding method.
The present invention seeks to what is realized by the following technical solutions：
A kind of selection of spinach cenospecies, including Juvenile stage, parent preserve breeding and half-blood producing method for seed.
Specific implementation technology is as follows：
A kind of selection of spinach cenospecies, it is characterised in that：With two stable homozygous self-mating system HL10-4-2-5
It is respectively Parent with SJ10-1-7, artificial hybridization is bred as spinach cenospecies ' Shanghai spinach 5 '.Using self-mating system SJ10-1-7 as mother
This, using self-mating system HL10-4-2-5 as male parent, seed farm male parent is with maternal row than being 1:6-8, seeding row spacing are 50-60 × 60-
Hybrid seeding is carried out under conditions of 80cm, takes seed farm female parent row female plant to collect seed son.
Female parent is stable homozygous female series, and male parent is stable homozygous dioecism system.
Male parent seed is sowed for more maternal 10 days in advance, makes Parent flower synchronization.
Seed farm male parent row female plant of collecting seed is male parent seed.
Female parent carries out self propagated in isolation field.
Male parent is with maternal row than being 1:6-8, seeding row spacing are 50-60 × 60-80cm.
Maternal field isolation range is>4km.
Maternal SJ10-1-7, be from ' refreshing arrow ' Spinach Varieties, through continuous selfing filter out it is disease-resistant it is heat-resisting stablize it is female
Property system；Male parent HL10-4-2-5, it is to be introduced from Holland in ' complete victory ' Spinach Varieties, through excessively hybridizing for continuous sisters, selects
Heat-resisting disease-resistant dioecism height for self-mating system.
A kind of spinach cenospecies, it is obtained by above-mentioned selection.
The invention provides a kind of excellent spinach new varieties of heat-resisting, disease-resistant, resistance to bolting and its crossbreeding side of parent
Method.
The invention has the advantages that and feature：
Downy mildew resistance, heat-resisting, resistance to bolting；Leaf color is blackish green, and blade face is beautiful smooth, and the speed of growth is fast；Nitrate content and grass
Acid content is low；Yield is high, suitable for protecting field and outdoor cropping；Parent propagation seeding technique is simple, yield is high.Maternal female series are steady
It is fixed, neat and consistent, more than 30% is improved than dioecism system purity；Without pulling out staminiferous plant, every mu can save artificial 2, save
Land used more than 20%, hybrid seed yield more than 50% is improved, seed purity reaches more than 92%.
It should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the invention and will have in below (eg embodiment)
It can be combined with each other between each technical characteristic of body description, so as to form new or preferable technical scheme.As space is limited, exist
This no longer tires out one by one states.Therefore it is every not depart from the equivalent or modification completed under principles of this disclosure, both fall within this hair
The scope of bright protection.
Below with reference to accompanying drawing, the invention will be further described, with absolutely prove the purpose of the present invention, technical characteristic and
Technique effect.
Brief description of the drawings
Fig. 1 shows the selection spinach new varieties ' Shanghai spinach 5 ' of spinach cenospecies of the present invention；
Embodiment
It should be appreciated that its purpose of term used herein is only that description specific embodiment, and it is not intended to be limitation
Property, the scope of the present invention will be limited only by the claims which follow.
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.Unless otherwise indicated, otherwise percentage and number are calculated by weight.In following examples
Experiment material used and reagent can obtain from commercially available channel unless otherwise instructed.
A kind of spinach cenospecies, ' Shanghai spinach 5 ' is named as, it is obtained by above-mentioned selection：Stablized with two pure
The self-mating system HL10-4-2-5 and SJ10-1-7 of conjunction are respectively Parent, and artificial hybridization is bred as spinach cenospecies ' Shanghai spinach 5 '.With
Self-mating system SJ10-1-7 is female parent, and using self-mating system HL10-4-2-5 as male parent, seed farm male parent is with maternal row than being 1:6-8,
Seeding row spacing carries out hybrid seeding under conditions of being 50-60 × 60-80cm, takes seed farm female parent row female plant to collect seed son.
Female parent is stable homozygous female series, and male parent is stable homozygous dioecism system.Male parent seed is more maternal in advance
Sow within 10 days, make Parent flower synchronization.
Seed farm male parent row female plant of collecting seed is male parent seed.Female parent carries out self propagated in isolation field.Male parent with
Maternal row is than being 1:6-8, seeding row spacing are 50-60 × 60-80cm.Maternal field isolation range is>4km.Maternal SJ10-1-7, it is
From ' refreshing arrow ' Spinach Varieties, through being continuously selfed the disease-resistant heat-resisting stable female series filtered out；Male parent HL10-4-2-5, be from
Holland is introduced in ' complete victory ' Spinach Varieties, through excessively hybridizing for continuous sisters, the heat-resisting disease-resistant dioecism height generation selected
Self-mating system.
Embodiment 1
1st, parent material seed selection.
Maternal SJ10-1-7, it is to introduce in ' refreshing arrow ' Spinach Varieties offspring to pass on method using list from foreign countries, through more generations even
It is continuous to be selfed disease-resistant, heat-resisting, the more resistance to bolting filtered out；The foliage green stable female series of blade circle.Male parent HL10-4-2-5, be from
Holland introduces in ' complete victory ' Spinach Varieties offspring and uses pedigree method, and through excessively hybridizing for continuous sisters, what is selected is heat-resisting, anti-
Sick, resistance to bolting；Blade point roundleaf, the dioecism height of dark green leaf color color are for self-mating system.
2nd, parent material is bred.
Including seeding and seedling raising, field planting, field management and seed collection technology.(about 10 days -12 November in District of Shanghai winter
Months 10 days) in parent greenhouse or outdoor sowing are bred, seedling stage press normal management, and spring (about January 20 day -2 month 20), which is colonized, to exist
In greenhouse or open country.Field planting seeding row spacing is 50-60 × 60-80cm, and every mu of base manure applies decomposed manure 4000kg, calcium superphosphate
40kg.Field planting water is irrigated, a water is poured within 5-7 days after slow seedling.Peak of growing season top dressing 2~3 times, apply 5~15kg of urea for every mu every time.
Timely bay bondage preventing and treating lodges after spinach bolting, and every mu sprays the borax that 60~150g purity is 95% after bolting.In June
At the beginning of -7 months, the yellowing leaf of spinach plant 2/3 is dead at end, the harvesting of seed yellowish-brown period, is shone in time after harvesting and plays threshing.Seed
Move at shady and cool ventilation and spontaneously dry；It is placed under low temperature, drying condition and stores.Parent should be adequately isolated in breeding, space
Isolation range is>4km, and there is no other spinach materials to be bred around 4km.
3rd, hybrid seed seeding technique.
(1) seeding and seedling raising：
The female parent system seed and male parent system seed that spring breeding is received are accustomed to type of seeding seeding and seedling raising according to locality.Will
Male parent sowing is asked to shift to an earlier date 10 days than female parent, seedling management method uses local conventional method.
(2) cultivation mode：
Field planting is accustomed to cultivation mode according to locality, can use the modes, generally Field planting system such as flat furrow, high ridge, high ridge
Kind, maternal, male parent ratio is 6-8:1, field planting seeding row spacing is 50-60 × 60-80cm.
(3) cultivation management method：
Production management is carried out according to conventional cultivation method after field planting, hybrid strain is removed after bolting, Post flowering pays attention to rich water quality management,
More potassium applications and boron fertilizer, weed out the rank grass in time.Specific control measures are bred with reference to parent material.
(3) seed collection：
After seed maturity, son of being collected seed on female parent is ' Shanghai spinach 5 ' seed, is male parent in male parent row female plant of collecting seed
Seed.
4th, ' Shanghai spinach 5 ' feature
Erect plants, compact, growing way is vigorous, 40~45d of harvest time.Blade is about 36cm, wide about 13cm, 10 left sides of the number of sheets
The right side, development degree about 25cm；Blade circle point, open and flat, leaf color is blackish green, blade face gloss corrugationless, and mesophyll is thick；Nitrate content and oxalic acid
Content is respectively 107.4 and 23.2mg/g FW, is the 33% and 88% of control respectively；Root is light red.Medium variety, growth
Rapidly, from sowing to harvesting 40d or so.More than per mu yield 1200kg, heat-resisting, resistance to bolting, marked containing downy mildew resistance
Dm-1, downy mildew resistance.
' Shanghai spinach 5 ' has the characteristics that downy mildew resistance, heat-resisting, resistance to bolting；Erect plants, plant type is compact, and growing way is vigorous；Root
For light red, blade is the sharp leaf of circle, and leaf color is blackish green, and blade face is beautiful smooth, and nitrate content and oxalic acid content are low.Per mu yield
More than 1200kg, suitable for protecting field and outdoor cropping.
The yield traits application form of table 1
It should be appreciated that the ordinary skill of this area without creative work can according to the present invention design make it is many
Modifications and variations.Therefore, all technician in the art are under this invention's idea on the basis of existing technology by patrolling
Analysis, reasoning or the available technical scheme of limited experiment are collected, all should be in the protection model being defined in the patent claims
In enclosing.
Claims (9)
- A kind of 1. selection of spinach cenospecies, it is characterised in that：With two stable homozygous self-mating system HL10-4-2-5 and SJ10-1-7 is respectively Parent, and artificial hybridization is bred as spinach cenospecies ' Shanghai spinach 5 ', using self-mating system SJ10-1-7 as female parent, Using self-mating system HL10-4-2-5 as male parent, seed farm male parent is with maternal row than being 1:6-8, seeding row spacing are 50-60 × 60-80cm Under conditions of carry out hybrid seeding, take seed farm female parent row female plant to collect seed son.
- 2. according to the method for claim 1, it is characterised in that female parent is the female series of stable homozygosis, male parent be stablize it is pure The dioecism system of conjunction.
- 3. according to the method for claim 1, it is characterised in that it is required that male parent seed is sowed for more maternal 10 days in advance, make father Maternal flower synchronization.
- 4. according to the method for claim 1, it is characterised in that seed farm male parent row female plant of collecting seed is male parent seed.
- 5. according to the method for claim 1, it is characterised in that female parent carries out self propagated in isolation field.
- 6. according to the method for claim 4, it is characterised in that male parent is with maternal row than being 1:6-8, seeding row spacing 50- 60×60-80cm。
- 7. according to the method for claim 5, it is characterised in that maternal field isolation range is>4km.
- 8. method as claimed in any of claims 1 to 7, it is characterised in that maternal SJ10-1-7, be from ' refreshing arrow ' In Spinach Varieties, through being continuously selfed the disease-resistant heat-resisting stable female series filtered out；Male parent HL10-4-2-5, introduced from Holland In ' complete victory ' Spinach Varieties, through excessively hybridizing for continuous sisters, the heat-resisting disease-resistant dioecism height selected is for self-mating system.
- 9. a kind of spinach cenospecies, it is characterised in that it passes through selection as claimed in any of claims 1 to 8 in one of claims Obtain.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317075.6A CN107410005A (en) | 2017-05-08 | 2017-05-08 | A kind of spinach cenospecies and its selection |
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| CN201710317075.6A CN107410005A (en) | 2017-05-08 | 2017-05-08 | A kind of spinach cenospecies and its selection |
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| CN201710317075.6A Pending CN107410005A (en) | 2017-05-08 | 2017-05-08 | A kind of spinach cenospecies and its selection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377905A (en) * | 2018-05-15 | 2018-08-10 | 上海师范大学 | A kind of spinach self-mating system and its selection |
| CN108617499A (en) * | 2018-05-15 | 2018-10-09 | 上海师范大学 | A kind of monoecism spinach and its selection and breeding and cultural method |
-
2017
- 2017-05-08 CN CN201710317075.6A patent/CN107410005A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 葛晨辉等: "菠菜新品种沪菠5号", 《园艺学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377905A (en) * | 2018-05-15 | 2018-08-10 | 上海师范大学 | A kind of spinach self-mating system and its selection |
| CN108617499A (en) * | 2018-05-15 | 2018-10-09 | 上海师范大学 | A kind of monoecism spinach and its selection and breeding and cultural method |
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Application publication date: 20171201 |