CN109984031A - A kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525 - Google Patents
A kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525 Download PDFInfo
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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
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Abstract
The invention discloses a kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525, the following steps are included: (1) production of hybrid seeds addressing be isolated: select irrigation and drainage are convenient, isolation condition is good, medium fertility and preceding crop be not the plot of corn with doing the production of hybrid seeds, there is certain plantation interval in production of hybrid seeds field and other corn planting fields, and a period of time is postponed or done sth. in advance to the date of seeding of the date of seeding of parent more other corns；(2) parental and the setting of Parent planting density；(3) choose seeds and sow: selection purity is high, full seed, germination percentage are up to standard, germinating energy is used as well parental seed, and first phase male parent and the maternal same period are sowed, and second phase male parent is broadcast after maternal contact pin；(4) field and fertilizing management: seed manure, seed manure are applied according to the seed growth stage, attack luxuriant fertilizer；(5) emasculation and pollination；(6) it harvests.The sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525 prepared with this producing method for seed, seed quality are stablized, and stable yield, yield are high.
Description
Technical field
The present invention relates to selection cross fields, the in particular to a kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525.
Background technique
Waxy corn, also known as glutinous corn or wax-matrix type corn, cultivation technique is simple, the period is short, economic valence with higher
Value, nutritive value and value added, the deep welcome by Maize Industry person.There is thicker wax shape endosperm in waxy corn seed, compared with
As flint corn and the glossiness nature of glass of dent corn (transparent) seed.Its chemical property and physical behavior are by single recessiveness
Gene (wx) control, this gene are located on the 9th chromosome.100% starch is amylopectin (Amylopectin in endosperm
Or Branched chain starch).Such corn can mention in addition to being eaten raw as dish corn by the mankind as animal feeding-stuff
High feed efficiency.Also there is industrial use.Have waxy, is commonly called as viscosity.
Guangxi is China waxy corn main producing region, and long-term waxy corn plantation is more than 30,000 hm2, it is mainly used for the daily of people and disappears
Take and export Southeast Asia, past corn variety is mostly the pure glutinous corn of white grain, and corn variety pattern is relatively simple, in recent years with
The raising of breeding level has formulated the glutinous class corn inbred line of some double recessive sweet teas, and has been bred as some sweet-waxy maizes kinds, enriches
The market demand.The characteristics of in many corn hybridizations due in production of hybrid seeds link not for the glutinous parent of sweet tea itself, does not take and effectively arranges
Apply, it is poor production of hybrid seeds emergence occur, and seed is mixed and disorderly, flowering asynchronism, bud rate are low, it is solid poor the problems such as.Lead to that purity is up to standard, germination percentage
Unqualified, hybrid seed yield is low etc., affects the commodity of corn seed.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525, to overcome jade
The disadvantage that rice seed purity is not up to standard, germination percentage is unqualified, hybrid seed yield is low etc..
To achieve the above object, the present invention provides a kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525, including
Following steps:
(1) production of hybrid seeds addressing be isolated: select that irrigation and drainage are convenient, isolation condition is good, medium fertility and preceding crop are not beautiful
With doing the production of hybrid seeds, there are certain plantation interval, the date of seeding of parent more other jade in production of hybrid seeds field and other corn planting fields in the plot of rice
A period of time is postponed or done sth. in advance to the date of seeding of rice；
(2) parental and the setting of Parent planting density；
(3) choose seeds and sow: selection purity is high, full seed, germination percentage are up to standard, germinating energy is used as well parental seed, the
One phase male parent and the maternal same period are sowed, and second phase male parent is broadcast after maternal contact pin；
(4) field and fertilizing management: seed manure, seed manure are applied according to the seed growth stage, attack luxuriant fertilizer；
(5) emasculation and pollination；
(6) it harvests.
Preferably, in above-mentioned technical proposal, production of hybrid seeds field and the spacing distance in other corn planting fields are many in step (1)
In 400m, at leeward or the hypsography low-lying that windy area and isolated area are located at other corn planting fields, spacing distance
Not less than 500m.
Preferably, in above-mentioned technical proposal, the date of seeding of parent, postponed or does sth. in advance compared with the date of seeding of other corns in step (1)
25d or more.
Preferably, in above-mentioned technical proposal, parental is 1:6-1:8 in step (2)；Production of hybrid seeds ground planting of maternal per acre
4200-4800 plants, male parent planting density is 600-700 plants/acre
Preferably, in above-mentioned technical proposal, step (3) first phase male parent application rate be male parent total amount 60-80%, second
Male parent application rate is the 20-40% of male parent total amount.
Preferably, in above-mentioned technical proposal, the environment of sowing in step (3) are as follows: upper soll layer 5cm ground temperature stabilization passes through
10-12℃。
Preferably, in above-mentioned technical proposal, seed manure described in step (4) is farmyard manure or compound fertilizer；Seed manure is urea
With potash fertilizer mixture；Attacking luxuriant fertilizer is urea, compound fertilizer's mixture；
Preferably, farmyard manure 800-1200kg/hm in seed manure described in above-mentioned technical proposal2Or compound fertilizer 100-200kg/
hm2；Urea 100-200kg/hm in the seed manure2With potash fertilizer 50-120kg/hm2；It is described to attack urea 50-120kg/hm in luxuriant fertilizer2
With compound fertilizer 250-350kg/hm2。
Preferably, in above-mentioned technical proposal, field management described in step (4) includes:
A. it sows after blinding to carrying out enclosed weeding before seedling；
B. rogueing: in seedling stage, male early period is taken out, thorough impurity elimination is rogued；
C. a period of time after maternal pollination, after the pollen of male parent all scatters, male parent is all cut off.
Preferably, in above-mentioned technical proposal, emasculation described in step (5) includes:
A. growing way uniform production of hybrid seeds ground 50% plant when can touch tassel, first time emasculation；Growing way is uneven, uniformity
The production of hybrid seeds of difference ground 30% plant when can touch tassel, first time emasculation；When first time emasculation, band 1-2 piece leaf；
B. it to the production of hybrid seeds carries out emasculation 3-4 times, when last time emasculation, weak strain, late strain is completely removed；
Preferably, in above-mentioned technical proposal, described in step (5) pollination include: female parent spinning collection in and male parent loose powder
Pollen is acquired when measuring big carries out artificial pollination.
Preferably, in above-mentioned technical proposal, harvest described in step (6) includes:
A. 35-40 days after pollinating, seed enters cured ripe later period to full ripe stage, and kernel grouting milk-line disappears, base portion appearance is black
When layer, it can harvest；
B. fringe choosing is carried out after harvesting, and is removed removal of impurities fringe, blighted grain, worm grain, rotten grain, is dried storage storage.
Compared with prior art, the invention has the following beneficial effects: the sweet-waxy maizes prepared with this producing method for seed hybridization
Kind of osmanthus sweet tea glutinous 525 the characteristics of for glutinous parent of sweet tea itself, is adopted an effective measure, be can be greatly reduced in the production of large area seed
Planting risk in the production of hybrid seeds produces high quality seed.Seed quality is stablized, and stable yield, yield are high, and comprehensive resistance is good, fits
Ying Xingguang, and the control of producing method for seed process is simple, is easily enlarged production.
Specific embodiment
Combined with specific embodiments below, specific embodiments of the present invention will be described in detail, it is to be understood that this hair
Bright protection scope is not limited by the specific implementation.
Embodiment 1
A kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525, comprising the following steps:
1, the production of hybrid seeds addressing be isolated:
Require to 1.1 production of hybrid seeds
To select to the production of hybrid seeds that ecological condition is good, photo-thermal is sufficient, topography is flat, fertility is uniform, soil layer is deep, irrigation and drainage as far as possible
Convenient field is conducive to such production of hybrid seeds plant and grows neat, florescence concentration, field management is also convenient for, in order to anti-
Falling stop corn growth, preceding stubble do not plant corn preferably.The farmer of seed breeding base requires management level height.
1.2 insulation request
Choosing isolation seed farm is to prevent pollen from mixing in production of hybrid seeds production process, guarantee F1Hybrid seed purity crux the most
The problem of.For the production of hybrid seeds safety for guaranteeing isolated area, it is ensured that two kinds of sides of time isolation and space isolation can be used in seed production quality
Method.
1.2.1 the time is isolated
The sowing time of parent and nearby sowing time of other corns are staggered, when preventing pollination with other zasiokaurin string powder
Mix.The date of seeding of the date of seeding of parent more other corns, is postponed or ahead of time, the two differs the time generally in 25d or more, to ensure to plant
Sub- purity holds the pass of the production of hybrid seeds first.
1.2.2 space is isolated
The spacing distance in production of hybrid seeds field and other corn planting fields should generally be no less than 400m.In windy area and isolation
Area is located at leeward or the hypsography low-lying of other corns, should suitably increase isolation distance, generally should be greater than or be equal to 500m.
2, the seed quality, date of seeding of parent, row ratio and planting density
2.1 parental seed quality
Female parent selects YL611 original silkworm egg to expand breeding, and male parent selects WT1791 original silkworm egg to expand breeding, parental seed requirement
Select purity is high, the parent that full seed, germination percentage is up to standard, germinating energy is good, it is desirable that all standard reaches 99% or more, is sowing
Before, by all parents selected 1 time again, it is ensured that grain shape, color are consistent, can save the human and material resources consumption of impurity elimination process, reduce beautiful
Rice breeding cost, guarantees seed quality.
2.2 parent's sowing time
Upper soll layer 5cm ground temperature is required to stablize by 10-12 DEG C when sowing, soil moisture content is suitable.Glutinous 525 two parents of Gui Tian
This is planted in Guangxi, Hainan, and Guangxi production of hybrid seeds date of seeding in spring is advisable with early Febuary to mid-March, and Hainan winter production of hybrid seeds is on October
Mid-November in ten days-be it is suitable, to prevent early sowing from seed being caused vulnerable to low temperature effect to go rotten, early sowing can arrange after planting mulch cover
Lid；Corn florescence suitable 24-26 DEG C of temperature, relative humidity are not less than 75%.Sowing date for early sowing can accordingly extend fertility day,
Increase dry-matter accumulation, reduces disease, promote that fringe is big, grain is more, grain is full.
Maternal YL611 is 2-4 days shorter than male parent WT1791 breeding time, and first phase male parent and the maternal same period are sowed, first phase father
This application rate is the 70% of male parent total amount, and second phase male parent is broadcast after maternal contact pin, and the second male parent application rate is male parent total amount
30%.Maternal top soil ability is strong, takes the direct-seeding in 2/cave, and the top soil ability of male parent is poor, can culturing and transplanting seedlings, or can
Take the direct-seeding in 5-6/cave, and shallow soil covering.
The row ratio of 2.3 parents
Male parent field plant is more maternal slightly short, and maternal YL611 seedling growth is strong, plant is sturdy, and fruit ear is big, yield is high, comprehensive
Good stress resistance is closed, male parent WT1791 seedling growth is weak, and it is suitable for upper seeding that the native power in top is poor, and advantage is that pollen amount is very big, and the florescence is long,
Male parent can be used in production of hybrid seeds row ratio: female parent=1:7 row compares mode.
The density of 2.4 parents
Glutinous 525 parent of Gui Tian is suitable for using uniline single-strain planting or wide-narrow row planting mode, and uniline single-strain planting line-spacing is
0.65 meter, the mode of narrow row plantation is wide row away from 0.9 meter, and narrow row is away from 0.4 meter；The plantation for being suitable for per acre to high-yield seeds production is maternal
4200 plants, 600 plants of male parent, spacing in the rows is reasonably adjusted according to density requirements.
The field management on 3 production of hybrid seeds ground
Field management, seedling stage field management, ear period field management, spinning phase field when the field management of the production of hybrid seeds includes sowing
Management, harvest time field management.
Field management when 3.1 sowing
In order to guarantee that emergence is neat, not be short of seedling, in the same size, the florescence in later period is consistent, and when sowing should uniformly be sowed, single
Cave seed is not suitable for too intensively, and depth of planting is generally advisable with 5~l0cm, and seed level is consistent, and seed manure is suitable for applications of farmyard manure
1000kg/hm2Or compound fertilizer 150kg/hm2, it is desirable that fertilizer must be applied to the place apart from 5~8cm of seed, with burn-out-proof kind, influence
Timely blinding after fertilizer is put in emergence, sowing, and artificial blinding or earthing are consistent, sows after blinding two days with 96% all your 0.75-2.1
Liter/hectare (per acre 50-130 milliliters) carries out enclosed weeding before seedling.
The field management of 3.2 seedling stages
According to the character of parent itself seedling (such as seedling leaf color, blade width) and growing way speed after emergence, pull out in time
Fall hybrid strain.Want early thinning, late final singling, seedling during maternal 3 leaves, 5 leaf phase final singlings；Male parent disposable final singling in 5 leaf phase, final singling can
Single, double strain is alternate；Weak seedling, sick seedling, different strain seedling are taken out when final singling, stay strong sprout, Qi Miao, even seedling；Thinning and final singling should be in 1~2d
It completes, guarantees that seedling growing way is consistent.Seedling when growing to 4~5 leaf timely weeding apply seed manure, apply urea 150kg/hm2With potash fertilizer 75kg/
hm2, and carry out cultivation and banking.
3.3 jointing are to ear period field management
Fertilizing management waits for big bell mouth stage, and luxuriant fertilizer is attacked in application, attacks luxuriant fertilizer urea 75kg/hm2With compound fertilizer 300kg/hm2。
Make top dressing and earths up greatly.The loudspeaker phase causes harm to ear period keypoint control corn borer, mythimna separata and aphid.
4 emasculations and pollination
4.1 artificial emasculation
Thorough impurity elimination before pumping is male.Parent's current row hybrid strain abnormal shape strain will take out, and one plant is not stayed.The key link of tasseling stage is
Maternal emasculation, it is necessary in time, thoroughly.Corn will strictly grasp the time of artificial emasculation, and the optimal emasculation time is rigid in tassel
Extraction is not again when there be loose powder also, and plant moisture at this moment is less, and stem is not easily broken, the uniform production of hybrid seeds of growing way 50% plant energy
When touching tassel, the 1st emasculation is immediately begun to；And the production of hybrid seeds that growing way is uneven, uniformity is poor 30% plant can touch hero
When fringe, the 1st emasculation can be started, accomplish " band leaf emasculation ", band 1-2 piece leaf is advisable, and the production of the production of hybrid seeds is influenced with excessive blade
Amount.Same piece of land generally requires emasculation 3-4 times, and last 1 emasculation will thoroughly remove weak strain, late strain.The maternal tassel of extraction
It concentrates with taking the production of hybrid seeds out of buried, prevents after-ripening loose powder.After emasculation, technical staff will check one by one production of hybrid seeds field, go
Except omission strain and remaining male flower branch.
4.2 supple-mentary pollination
Acquisition pollen carries out artificial pollination in female parent spinning collection and when male parent loose powder amount is big, i.e., by the flower in the area male parent Cai Fen
Powder is collected into dry container, is packed into the dry small plastic bottle of preprepared or thick bamboo tube, is sealed with small mesh gauze lid
Bottleneck is gently shaken, and pollen is allowed uniformly to trickle down on female fringe filigree.
4.3 cut off male parent
Terminate general 7d in female parent pollination to cut off male parent after the pollen of male parent all scatters, in order to improve
The maternal ventilation and penetrating light condition on production of hybrid seeds ground improves the accumulation of photosynthetic efficiency and dry matter, mitigates the generation of disease, be also beneficial to mother
The Grain Filling of this fruit ear, it is mature ahead of time, to increase hybrid seed yield.Cutting off male parent can also effectively prevent fruit ear when harvest from mixing
It is miscellaneous, to guarantee the purity and quality of seed.
The field management of 5 harvest times
When seed enters cured ripe later period to full ripe stage, i.e., kernel grouting milk-line disappears, base portion can harvest when there is black layer.
The corn growth later period, rainwater was on the high side, and seed production corn is received late, was easy to produce fringe kernel rot, seed mistake can be caused by meeting with cloudy weather for several days running after mature
Early sprout, influence germination, thus seed it is mature after want and early harvest.35-40 days harvests are advisable after general pollination.
It is managed after 6 harvests
Moisture content is high when due to seed harvest, and raft stacking will cause seed to go mouldy, and influences germination percentage and quality.Thus
The fruit ear of harvest will peel off luxuriant skin in time, pick up the sundries such as net bract, filigree, choose miscellaneous fringe, bad fringe, sick fringe, fringe of damaging by worms, mildew and rot fringe
With jejune deaf ear, emphasis is identified according to characters such as standard fringe type, grain shape, grain color, cob colors, goes removal of impurities fringe, selection
The place of ventilation and penetrating light is dried, sunning when dropping to 16-18% to moisture can threshing continue to dry after threshing is selected
Storage can be just put in storage below 13% to seed moisture content.
Embodiment 2
The present embodiment and the difference of embodiment 1 are:
Parent's sowing time
First phase male parent and the maternal same period are sowed, and the application rate of first phase male parent is the 60% of male parent total amount, insert to female parent
Second phase male parent is broadcast after needle, the second male parent application rate is the 40% of male parent total amount.The row of parent's production of hybrid seeds is than using male parent: maternal=
The row of 1:6 compares mode.The plantation for being suitable for the production of hybrid seeds per acre is 4200 plants, 700 plants of male parent maternal.
The field management on production of hybrid seeds ground
Seed manure is suitable for applications of farmyard manure 800kg/hm2Or compound fertilizer 200kg/hm2。
Seedling when growing to 4~5 leaf timely weeding apply seed manure, apply urea 100kg/hm2With potash fertilizer 50kg/hm2, and in progress
Plough ridging.
To big bell mouth stage, luxuriant fertilizer is attacked in application, attacks luxuriant fertilizer urea 120kg/hm2With compound fertilizer 350kg/hm2.Make top dressing
And it earths up greatly.The loudspeaker phase causes harm to ear period keypoint control corn borer, mythimna separata and aphid.
Embodiment 3
Parent's sowing time
First phase male parent and the maternal same period are sowed, and the application rate of first phase male parent is the 80% of male parent total amount, insert to female parent
Second phase male parent is broadcast after needle, the second male parent application rate is the 20% of male parent total amount.The row of parent's production of hybrid seeds is than using male parent: maternal=
The row of 1:8 compares mode.The plantation for being suitable for the production of hybrid seeds per acre is 4800 plants, 600 plants of male parent maternal.
The field management on production of hybrid seeds ground
Seed manure is suitable for applications of farmyard manure 1200kg/hm2Or compound fertilizer 100kg/hm2。
Seedling when growing to 4~5 leaf timely weeding apply seed manure, apply urea 200kg/hm2With potash fertilizer 120kg/hm2, and in progress
Plough ridging.
To big bell mouth stage, luxuriant fertilizer is attacked in application, attacks luxuriant fertilizer urea 50kg/hm2With compound fertilizer 250kg/hm2.Make top dressing simultaneously
Big ridging.The loudspeaker phase causes harm to ear period keypoint control corn borer, mythimna separata and aphid.
Test example
Be below 15 pieces of production of hybrid seeds in -2017 years in 2015 it is glutinous according to 1-3 sweet-waxy maizes cenospecies of embodiment of the present invention osmanthus sweet tea
525 producing method for seed carries out the grain weight of production of hybrid seeds acquisition, bud rate, and data collection comes from Guangxi million and production department, Zhong Ye Co., Ltd
(as shown in table 1).Specifically: use the peasant household of 1 production of hybrid seeds of embodiment for Zhang Rongjun and Zhang Huaxiang in 2015；2016 Nian Huangren paddy and
Zhang Huaying；Zhang Guiyun and Ma Jinli in 2017.Use the peasant household of 2 production of hybrid seeds of embodiment for Zhang Jiayou and Lin Jianxing in 2015；2016
Nian Zhanglan show；2017 Nian Wuyong willows.Use the peasant household of 3 production of hybrid seeds of embodiment for Huang Jizuo in 2015；Zhang Huaai in 2016 and Zhang Zhen
It is dry；Chen Huasheng in 2017 and old Chinese blue.
It is surveyed after the glutinous 525 hybrid seed yield harvest of 1 osmanthus sweet tea of table and produces result
As shown in table 1, by above data as can be seen that corn variety sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525, seed matter
Amount is stablized, and stable yield, yield are high, and comprehensive resistance is good, wide adaptability, and the control of producing method for seed process is simple, is easily enlarged
Production.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. a kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525, which comprises the following steps:
(1) production of hybrid seeds addressing be isolated: select that irrigation and drainage are convenient, isolation condition is good, medium fertility and preceding crop are not corns
With doing the production of hybrid seeds, there is certain plantation interval in production of hybrid seeds field and other corn planting fields, the date of seeding of parent more other corns in plot
A period of time is postponed or done sth. in advance to date of seeding；
(2) parental and the setting of Parent planting density；
(3) choose seeds and sow: selection purity is high, full seed, germination percentage are up to standard, germinating energy is used as well parental seed, the first phase
Male parent and the maternal same period are sowed, and second phase male parent is broadcast after maternal contact pin；
(4) field and fertilizing management: seed manure, seed manure are applied according to the seed growth stage, attack luxuriant fertilizer；
(5) emasculation and pollination；
(6) it harvests.
2. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (1)
The spacing distance in middle production of hybrid seeds field and other corn planting fields is no less than 400m, is located at other jade in windy area and isolated area
At the leeward in rice plantation field or hypsography low-lying, spacing distance is not less than 500m.
3. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (1)
The date of seeding of middle parent, is postponed compared with the date of seeding of other corns or 25d or more ahead of time.
4. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (2)
Middle parental is 1:6-1:8；Per acre the production of hybrid seeds 4200-4800 plants of planting of maternal, male parent planting density be 600-700 plants/
Mu.
5. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (3)
First phase male parent application rate is the 60-80% of male parent total amount, and the second male parent application rate is the 20-40% of male parent total amount.
6. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (3)
The environment of middle sowing are as follows: upper soll layer 5cm ground temperature, which is stablized, passes through 10-12 DEG C.
7. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (4)
Described in seed manure be farmyard manure or compound fertilizer；Seed manure is urea and potash fertilizer mixture；Attacking luxuriant fertilizer is urea, compound fertilizer's mixing
Object；
Farmyard manure 800-1200kg/hm in the seed manure2Or compound fertilizer 100-200kg/hm2；Urea 100- in the seed manure
200kg/hm2With potash fertilizer 50-120kg/hm2；It is described to attack urea 50-120kg/hm in luxuriant fertilizer2With compound fertilizer 250-350kg/hm2。
8. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (4)
Described in field management include:
A. it sows after blinding to carrying out enclosed weeding before seedling；
B. rogueing: in seedling stage, male early period is taken out, thorough impurity elimination is rogued；
C. a period of time after maternal pollination, after the pollen of male parent all scatters, male parent is all cut off.
9. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step (5)
Described in emasculation include:
A. growing way uniform production of hybrid seeds ground 50% plant when can touch tassel, first time emasculation；Growing way is uneven, uniformity is poor
Production of hybrid seeds ground 30% plant when can touch tassel, first time emasculation；When first time emasculation, band 1-2 piece leaf；
B. it to the production of hybrid seeds carries out emasculation 3-4 times, when last time emasculation, weak strain, late strain is completely removed；
Acquisition pollen carries out artificial pollination when the pollination includes: big with male parent loose powder amount in female parent spinning collection.
10. the producing method for seed of sweet-waxy maizes cenospecies according to claim 1 osmanthus sweet tea glutinous 525, which is characterized in that step
(6) it is harvested described in and includes:
A. 35-40 days after pollinating, seed enters cured ripe later period to full ripe stage, when kernel grouting milk-line disappears, black layer occurs in base portion,
It can harvest；
B. fringe choosing is carried out after harvesting, and is removed removal of impurities fringe, blighted grain, worm grain, rotten grain, is dried storage storage.
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| CN (1) | CN109984031A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113545259A (en) * | 2021-07-20 | 2021-10-26 | 新疆生产建设兵团第九师农业科学研究所(畜牧科学研究所) | Planting method for drip irrigation seed production of corn |
| CN115777520A (en) * | 2022-11-25 | 2023-03-14 | 温州科技职业学院 | Breeding method and cultivation method of sweet waxy corn |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545259A (en) * | 2021-07-20 | 2021-10-26 | 新疆生产建设兵团第九师农业科学研究所(畜牧科学研究所) | Planting method for drip irrigation seed production of corn |
| CN115777520A (en) * | 2022-11-25 | 2023-03-14 | 温州科技职业学院 | Breeding method and cultivation method of sweet waxy corn |
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