CN103518614B - The producing method for seed in a kind of Corn Single-Cross Stock osmanthus single 0810 - Google Patents
The producing method for seed in a kind of Corn Single-Cross Stock osmanthus single 0810 Download PDFInfo
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Abstract
The producing method for seed in a kind of Corn Single-Cross Stock osmanthus of the present invention single 0810, belongs to selection cross technical field.The invention discloses the producing method for seed in a kind of Corn Single-Cross Stock osmanthus single 0810, it comprises selection of land and whole, parental and Parent planting density is arranged, sowing, field and fertilizing management, emasculation impurity elimination, results six steps.The corn seed producing output obtained with this producing method for seed is high, and operation controls simple, is easy to expanding production.
Description
Technical field
The present invention relates to the producing method for seed in a kind of Corn Single-Cross Stock osmanthus single 0810, belong to selection cross technical field.
Background technology
Corn is world's important crops, and its gross yield is only second to wheat, occupies second.Corn has risen to the first cereal crops of China, and corn is also the second largest cereal crops that Guangxi is only second to paddy rice, long-term cultivated area 550,000 hectares.
The application of corn hybrid seed on producing is one of important means improving corn yield.The quality of corn seed quality is the key affecting commodity corn quality and yield.Hybrid seed, in production reproductive process, also exists the practical problem that seed uniformity, purity, bud rate, bud gesture are not up to standard all the time.Mainly because the key technique management of hybrid seeding is not in place, the amount of asking or not the many reasons such as matter, undue pursuit high-yield and high-efficiency to cause.Therefore, breeding units is in cross breeding seed process, the seeding technique of corn directly affects the quality of corn seed, for providing high-quality corn seed to Maize Production, summarize with regard to maize seed production technique, comprise that selection of land is selected stubble, arranged isolated area, Parent intermission seeding, field management, maternal emasculation, male parent the content such as complete, gather and store, to promote the raising of corn breeding quality.
Summary of the invention
The object of the present invention is to provide the producing method for seed in a kind of Corn Single-Cross Stock osmanthus single 0810.
Object of the present invention is achieved through the following technical solutions:
The producing method for seed in Corn Single-Cross Stock osmanthus single 0810, comprises the following steps:
(1) selection of land and whole: select that irrigation and drainage are convenient, isolation condition is good, plot that medium fertility and preceding crop are not corn does production of hybrid seeds ground;
(2) parental and Parent planting density are arranged;
(3) sow: sowing adopts Parent intermission seeding, and intermission seeding comprises Seed Production in Spring Season and the production of hybrid seeds in autumn; Seed Production in Spring Season and the production of hybrid seeds in autumn all first broadcast female parent, and 3rd ~ 4d after female parent is broadcast broadcasts first phase male parent, and 5th ~ 6d after female parent is broadcast broadcasts second phase male parent;
(4) field and fertilizing management: according to the applying of seed growth stage seed manure, seed manure, attack bud fertilizer;
(5) emasculation impurity elimination: strict impurity elimination, to rogue, in time thoroughly emasculation;
(6) gather in the crops.
Described in step (2), parental is 1:6 ~ 1:8; Planting of maternal density is 72000 ~ 78000 strains/hm
2, male parent planting density is 72000 ~ 78000 strains/hm
2.
Described in step (3):
A () Seed Production in Spring Season first phase male parent seeding quantity is 2/3 of male parent total amount, second phase male parent seeding quantity is 1/3 of male parent total amount; The production of hybrid seeds in autumn first phase male parent seeding quantity is 4/5 of male parent total amount, and second phase male parent seeding quantity is 1/5 of male parent total amount;
B environmental condition that () is sowed is that temperature is stabilized in more than 10 DEG C, and soil moisture is 50 ~ 70%.
Seed manure described in step (4) is farmyard manure or composite fertilizer, and wherein farmyard manure consumption is 15000 ~ 22500kg/hm
2, composite fertilizer's consumption is 150.0 ~ 187.5kg/hm
2; Seed manure is become thoroughly decomposed liquid dung or urea, composite fertilizer, potash fertilizer mixture, and the liquid dung consumption that wherein becomes thoroughly decomposed is 22500 ~ 30000kg/hm
2, amount of urea is 150.0 ~ 187.5kg/hm
2, composite fertilizer's consumption is 120.0 ~ 150.0kg/hm
2, Potassium Fertilizer is 75.0 ~ 90.0kg/hm
2; Attacking bud fertile is urea, composite fertilizer's mixture, and wherein in urea, composite fertilizer's mixture, amount of urea is 300.0 ~ 375.0kg/hm
2, composite fertilizer's consumption is 150.0 ~ 180.0kg/hm
2.
The corn variety osmanthus obtained with this producing method for seed is suitable for single 0810 breeding time, and stable yield, output are high, and comprehensive resistance is good, wide adaptability, and producing method for seed operation controls simple, is easy to expanding production.
Embodiment
Below in conjunction with specific embodiment, elaboration detailed is further done to the present invention, but embodiments of the present invention are not limited to the scope that embodiment represents.These embodiments only for illustration of the present invention, but not for limiting the scope of the invention.In addition, after reading content of the present invention, those skilled in the art can do various amendment to the present invention, and these equivalent variations fall within appended claims limited range of the present invention equally.
Embodiment 1
Select irrigation and drainage convenient, isolation condition is good, and more than medium fertility, preceding crop is not that production of hybrid seeds ground is done in the plot of corn, prior to seeding meticulous wholely, make soil block in small, broken bits.Father and mother's one's own profession is 72000 strains/hm with 1:6, maternal density
2, male parent density is 72000 strains/hm
2carry out plantation to arrange.Adopt Seed Production in Spring Season method, first broadcast female parent, female parent is broadcast rear 3d and is broadcast first phase male parent, and seeding quantity is 2/3 of male parent total amount; Female parent is broadcast rear 5d and is broadcast second phase male parent, and seeding quantity is 1/3 of male parent total amount.When temperature is stabilized in more than 12 DEG C, sow when soil moisture is 50%, plastic mulching can suitably be sowed in advance, the thick 3 ~ 5cm of blinding, and thickness wants uniformity, ensures a full stand.According to the applying of seed growth stage seed manure, seed manure, attack bud fertilizer.15000kg/hm is applied during sowing
2farmyard manure or 150.0kg/hm
2composite fertilizer.Grew to for 3 ~ 4 leaf periods, apply 22500kg/hm
2become thoroughly decomposed liquid dung or 150.0kg/hm
2urea, composite fertilizer's applied amount is 120.0kg/hm
2, potash fertilizer applied amount is 75.0kg/hm
2; Grow to the typhon mouth phase, the urea amount of applying is 300.0kg/hm
2, composite fertilizer's amount is 150.0kg/hm
2.Before maternal gynoecium maturation, carry out strict impurity elimination, rogue, guarantee is thoroughly emasculation in time, and after bract turns yellow, 2 ~ 3d gathers in the crops in time, prevents female parent from mixing with male parent, will carry out ear selection after results during results, removes assorted fringe, blighted grain, worm grain, rotten grain, dries warehouse-in in time.
Embodiment 2
Select irrigation and drainage convenient, isolation condition is good, and more than medium fertility, preceding crop is not preferably that production of hybrid seeds ground is done in the plot of corn, prior to seeding meticulous wholely, make soil block in small, broken bits.Father and mother's one's own profession is 75000 strains/hm with 1:7, maternal density
2, male parent density is 75000 strains/hm
2carry out plantation to arrange.Adopt Seed Production in Spring Season method, first broadcast female parent, female parent is broadcast rear 4d and is broadcast first phase male parent, and seeding quantity is 2/3 of male parent total amount; Female parent is broadcast rear 6d and is broadcast second phase male parent, and seeding quantity is 1/3 of male parent total amount.When temperature is stabilized in more than 20 DEG C, sow when soil moisture is 60%, plastic mulching can suitably be sowed in advance, the thick 3 ~ 5cm of blinding, and thickness wants uniformity, ensures a full stand.According to the applying of seed growth stage seed manure, seed manure, attack bud fertilizer.20000kg/hm is applied during sowing
2farmyard manure or 170.0kg/hm
2composite fertilizer.Grew to for 3 ~ 4 leaf periods, apply 25000kg/hm
2become thoroughly decomposed liquid dung or 160.0kg/hm
2urea, composite fertilizer's applied amount is 130.0kg/hm
2, potash fertilizer applied amount is 80.0kg/hm
2; ; Grow to the typhon mouth phase, the urea amount of applying is 350.0kg/hm
2, composite fertilizer's amount is 160.0kg/hm
2.Before maternal gynoecium maturation, carry out strict impurity elimination, rogue, guarantee is thoroughly emasculation in time, and after bract turns yellow, 2 ~ 3d gathers in the crops in time, prevents female parent from mixing with male parent, will carry out ear selection after results during results, removes assorted fringe, blighted grain, worm grain, rotten grain, dries warehouse-in in time.
Embodiment 3
Select irrigation and drainage convenient, isolation condition is good, and more than medium fertility, preceding crop is not preferably that production of hybrid seeds ground is done in the plot of corn, prior to seeding meticulous wholely, make soil block in small, broken bits.Father and mother's one's own profession is 78000 strains/hm with 1:8, maternal density
2, male parent density is 78000 strains/hm
2carry out plantation to arrange.Adopt producing method for seed in autumn, first broadcast female parent, female parent is broadcast rear 4d and is broadcast first phase male parent, and seeding quantity is 4/5 of male parent total amount; Female parent is broadcast rear 6d(and is just revealed point) broadcast second phase male parent, seeding quantity is 1/5 of male parent total amount.When temperature is stabilized in more than 30 DEG C, sow when soil moisture is 70%, plastic mulching can suitably be sowed in advance, the thick 3 ~ 5cm of blinding, and thickness wants uniformity, ensures a full stand.According to the applying of seed growth stage seed manure, seed manure, attack bud fertilizer.22500kg/hm is applied during sowing
2farmyard manure or 187.50kg/hm
2composite fertilizer.Grew to for 3 ~ 4 leaf periods, apply 30000kg/hm
2become thoroughly decomposed liquid dung or 187.5kg/hm
2urea, composite fertilizer's applied amount is 150.0kg/hm
2, potash fertilizer applied amount is 90.0kg/hm
2; Grow to the typhon mouth phase, the urea amount of applying is 375.0kg/hm
2, composite fertilizer's amount is 180.0kg/hm
2.Before maternal gynoecium maturation, carry out strict impurity elimination, rogue, guarantee is thoroughly emasculation in time, and after bract turns yellow, 2 ~ 3d gathers in the crops in time, prevents female parent from mixing with male parent, will carry out ear selection after results during results, removes assorted fringe, blighted grain, worm grain, rotten grain, dries warehouse-in in time.
Test example
Be below that the examination of output field survey product has been carried out according to the peasant household of the method production of hybrid seeds of the present invention in 19 families in 2012, average yield is 4204.5kg/hm
2, minimum output is 2848.5kg/hm
2, maximum output is 5088.0kg/hm
2.(see table 1)
Table 1 seeding farmer output field is surveyed and is produced result
Below within 2013, survey between the single 0810 high yield and high quality seed farm in corn variety osmanthus to produce report.
The Transformation of Agricultural Sci-Tech Achievements fund project " good quality and high output single 0810 pilot scale in disease-resistant resistance to lean corn variety osmanthus and demonstration " (Gui Ke turns 1346004-16) that Guangxi Science and Technology Department in 2013 organizes relevant expert to bear corn research institute of Guangxi Autonomous Region Academy of Agricultural Sciences has carried out the single 0810 field hybrid seed yield in osmanthus and has surveyed to produce and check and accept.Check and acceptance result is as follows:
One, field is surveyed and is produced acceptance method
1, first whole seed breeding base is reconnoitred, then random to 3 pieces of seed farms carry out field survey produce, check and accept.
2, the production of hybrid seeds area requirements more than 1 mu of field survey place of production block.
3, field is surveyed and is produced table record content: the actual production of hybrid seeds area checking and accepting kind, the heavy Y1 (kilogram) of paid area S, paid strain number, fresh tes juice.
Every mu of fresh tes juice Y(kg/acre)=(Y1/S) × 666.7.
4, in paid fresh tes juice, random sampling 20 fruit ears investigate that spike lengths, fringe are thick, the heavy X1 of tassel row number, row grain number, fresh fringe, the heavy X2 of fresh grain, seed-producing rate and moisture content of kernels (measure moisture content of kernels with seed moisture content analyzer, replication 5 times, average (M).
Fresh fringe is given money as a gift the heavy X1 of fresh fringe of the heavy ÷ of dry granular 20 fruit ears of seed rate=20 fruit ear
The dry granular of 20 fruit ears is heavy=the heavy X2 of fresh grain of 20 fruit ears × [1-moisture content of kernels M(%)] ÷ (1-13%)
5, actual production is calculated: actual production (kg/acre)=fresh tes juice Y(kg/acre) × fresh fringe gives money as a gift seed rate.
6, line-spacing: the width calculation average row distance measuring 7 row.
7, spacing in the rows: measure 65 meters long calculating average row distances.
8, planting density: paid paid area S × 666.7 of strain number ÷
Two, field is surveyed and is produced check and acceptance result
1, the yellow Shang De of production of hybrid seeds family 1(): 411.58 kgs/acre of dry granulars (specifically in Table).
2, the yellow moral grace of production of hybrid seeds family 2(): 434.79 kgs/acre of dry granulars (specifically in Table).
3, the yellow swallow of production of hybrid seeds family 3(): 381.87 kgs/acre of dry granulars (specifically in Table).
4, average: (411.58+434.79+381.87) ÷ 3=409.41 kg/acre
Three, production of hybrid seeds area
2013, osmanthus single 0810 production of hybrid seeds 4230 mu altogether.
Check and acceptance result is in table 2
Single 0810 field, high yield and high quality production of hybrid seeds ground, table 2 new varieties osmanthus is surveyed to produce and is checked and accepted table
Can be found out by above data, corn variety osmanthus is suitable for single 0810 breeding time, and stable yield, output are high, and comprehensive resistance is good, wide adaptability, and producing method for seed operation controls simple, is easy to expanding production.
Claims (1)
1. the producing method for seed in Corn Single-Cross Stock osmanthus single 0810, comprises the following steps:
(1) selection of land and whole: select that irrigation and drainage are convenient, isolation condition is good, plot that medium fertility and preceding crop are not corn does production of hybrid seeds ground;
(2) parental and Parent planting density are arranged, and described parental is 1:6 ~ 1:8; Described planting of maternal density is 72000 ~ 78000 strains/hm
2, male parent planting density is 72000 ~ 78000 strains/hm
2;
(3) sow: sowing adopts Parent intermission seeding, and described intermission seeding comprises Seed Production in Spring Season and the production of hybrid seeds in autumn; Seed Production in Spring Season and the production of hybrid seeds in autumn all first broadcast female parent, and 3rd ~ 4d after female parent is broadcast broadcasts first phase male parent, and 5th ~ 6d after female parent is broadcast broadcasts second phase male parent;
(4) field and fertilizing management: according to the applying of seed growth stage seed manure, seed manure, attack bud fertilizer;
(5) emasculation impurity elimination: strict impurity elimination, to rogue, in time thoroughly emasculation;
(6) gather in the crops;
Described in step (3), Seed Production in Spring Season first phase male parent seeding quantity is 2/3 of male parent total amount, and second phase male parent seeding quantity is 1/3 of male parent total amount; The production of hybrid seeds in autumn first phase male parent seeding quantity is 4/5 of male parent total amount, and second phase male parent seeding quantity is 1/5 of male parent total amount;
Described in step (3): the environmental condition of sowing is that temperature is stabilized in more than 10 DEG C, and soil moisture is 50 ~ 70%;
Seed manure described in step (4) is farmyard manure or composite fertilizer; Seed manure is become thoroughly decomposed liquid dung or urea, composite fertilizer, potash fertilizer mixture; Attacking bud fertile is urea, composite fertilizer's mixture;
In described seed manure, farmyard manure consumption is 15000 ~ 22500kg/hm
2, composite fertilizer's consumption is 150.0 ~ 187.5kg/hm
2; The liquid dung consumption that becomes thoroughly decomposed in described become thoroughly decomposed liquid dung or urea, composite fertilizer, potash fertilizer mixture is 22500 ~ 30000kg/hm
2, amount of urea is 150.0 ~ 187.5kg/hm
2, composite fertilizer's consumption is 120.0 ~ 150.0kg/hm
2, Potassium Fertilizer is 75.0 ~ 90.0kg/hm
2;
In described urea, composite fertilizer's mixture, amount of urea is 300.0 ~ 375.0kg/hm
2, composite fertilizer's consumption is 150.0 ~ 180.0kg/hm
2.
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| CN109984031A (en) * | 2019-05-10 | 2019-07-09 | 广西壮族自治区农业科学院 | A kind of producing method for seed of sweet-waxy maizes cenospecies osmanthus sweet tea glutinous 525 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071087C (en) * | 1997-03-25 | 2001-09-19 | 四川农业大学 | Method for producing seeds of hybridized maize |
| US8541668B1 (en) * | 2011-03-09 | 2013-09-24 | Pioneer Hi Bred International Inc | Maize variety inbred PH1828 |
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- 2013-09-30 CN CN201310462341.6A patent/CN103518614B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071087C (en) * | 1997-03-25 | 2001-09-19 | 四川农业大学 | Method for producing seeds of hybridized maize |
| US8541668B1 (en) * | 2011-03-09 | 2013-09-24 | Pioneer Hi Bred International Inc | Maize variety inbred PH1828 |
Non-Patent Citations (2)
| Title |
|---|
| 杂交玉米制种高产栽培技术;王德文;《现代农业科技》;20110620(第12期);第84页第1.1-1.4节，第2.3，2.5节 * |
| 桂单0810;桂审玉2012008号;《种业商务网》;20120609;品种来源及栽培要点部分 * |
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