CN107046993A - A kind of breeding method of sorghum - Google Patents
A kind of breeding method of sorghum Download PDFInfo
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- CN107046993A CN107046993A CN201710190873.7A CN201710190873A CN107046993A CN 107046993 A CN107046993 A CN 107046993A CN 201710190873 A CN201710190873 A CN 201710190873A CN 107046993 A CN107046993 A CN 107046993A
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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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- A01H1/04—Processes of selection involving genotypic or phenotypic markers; Methods of using phenotypic markers for selection
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Abstract
The present invention relates to a kind of breeding method of sorghum, including herein below：A, cultivation seed.B, spring, summer sowing cultural method：Specifically there is a）Sowing；b）Density；c）Fertilising；d）Field management and harvesting.C, ratooning method.The parental seed of the present invention is the systematic breeding from the strain of " red ornamental tassels " sorghum, and its yield is significantly higher than " red ornamental tassels ", and reason of yield increased is mainly Grain number per spike and dramatically increased, and average about to increase by 150 per fringe, mass of 1000 kernel also significantly improves about 1 gram.About 260 centimetres of the sorghum variety plant height that the present invention is cultivated, about 20 centimetres are reduced than " red ornamental tassels " plant height, the lodging tolerance enhancing of kind, also more conducively mechanized harvest.This kind amylopectin content is high, and waxy strong, tannin content is moderate, and not only distillation yield is high for wine brewing processing, and wine is best in quality.
Description
Technical field
The present invention relates to the field of planting that high-quality eats grain plant, a kind of breeding method of sorghum is referred in particular to.
Background technology
There are seed, rice bran, stalk etc. in the main utilization position of sorghum.Wherein essential nutrient contents in seed：Crude fat 3%,
Crude protein 8 ~ 11%, crude fibre 2 ~ 3%, starch 65 ~ 70%.Sorghum rice is nutritious, can be used to steamed rice, cooks congee, Chronic Diarrhea Patients
Often to eat sorghum congee is beneficial.Sorghum is higher with three provinces in the northeast of China's yield, Hunan Province and Southwestern China Sorghum have mountain it is many, it is lean,
Seasonal drought and the Eco-environmental Characteristics such as farming is extensive, it is desirable to which the sorghum of incubation is drought-enduring, barren-resistant, yield stability is strong, can be in lake
The characteristics of southern one kind receives two batches.But current produce lacks resistance to appropriate dense planting, high yield, high-quality in the kind mainly applied, drought-enduring,
Barren-resistant strong stress resistance, the kind of wide adaptability.
The content of the invention
The purpose of the present invention is to be improved and innovate that there is provided a kind of height for shortcoming present in background technology and problem
The breeding method of fine strain of millet.
The present invention includes herein below：
1st, seed is cultivated：Select single fringe after relatively of short stem, the big fringe of the red big Tanaka of ornamental tassels sorghum, the plant maturation of big grain independent
The sorghum of threshing harvest is used as one-level breeding；Then one-level breeding is planted in crop field, in Sui Xi colonies before being bloomed after heading
Middle continuation selects relatively of short stem, big fringe, the plant of big grain to be numbered, bagging isolation, after the choosing from the individual plant of bagging after maturation
Go out the big fringe in part, big grain plant and singly receive single de- as two grades of breedings；Again by two grades of independent isolation implants of breeding in big Tanaka, according to
The fringe that I and II breeding mode proceeds 2 years selects fine individual plant, finally obtains qualified cultivation seed.
2nd, spring, summer sowing cultural method：
A, sowing：Divide culturing and transplanting seedlings and live two methods, spring culturing and transplanting seedlings were sowed 20 days or so March, thin using light seeding
Film covers nursery, the heart of 4 leaf 1 or so balled transplanting, about 25 days seedling age phases；Summer sowing is preferably in mid or late April seeding and seedling raising, and 5 leaf phases moved
Plant, about 30 days seedling age phases；Spring, the live fine day that can be robbed in early April was sowed.
B, density：Nest is beaten nest and transplanted per 2 plants of nest, mu ensures 6000-10000 plants, soil away from 27-33cm, line-spacing 50-67cm
The high thin planting of earth fertility, the low dense planting of soil fertility.
C, fertilising：General every mu of need apply 2000-2500 kilograms of dung polluted water, 30-40 kilograms of calcium superphosphate, 10 kilograms of urea or
30-40 kilograms of composite fertilizer；Take nest to apply or spread fertilizer over the fields, applied before transplanting.
D, field management and harvesting：Look into seedling in time, fill the gaps with seedlings, timely tillage and weeding and preventing and treating pest and disease damage, to common field
The hybrid seedling of mechanical admixture and biology hybrid, the lopsided seedling of natural variation are repeatedly pulled out by stages at seedling stage, jointing stage, heading stage
Totally；In the region that warm light resource is sufficient, head season sorghum 80% maturation can gather in and cut stalk, carry out second season ratooning.
3rd, ratooning method：
A, it is early apply budding fertilizer, pour within 7-10 days before the harvesting of head season and have a ride on a horse water once, and 10 kilograms of urea of mu.
B, scraper cut bar, reduce broken bar, it is ensured that more than 3-5 centimetres of stubble height, ground retain 1-2 section position.
3 days after c, head season sorghum harvest, then mu applies 8 kilograms of urea, promotes hair seedling in time；When regeneration bud is dealt into 80% or so
When, carry out seedling thinning, the method for seedling thinning be it is weak stay strong, go to leave, go to squeeze and stay dilute, stay different azimuth to 2-3 seedlings of sprouting.
D, the prevention and control of plant diseases, pest control of sorghum regeneration season cultivation, according to field occurrence characters and disease pest prediction situation and
When prevent and treat.
Red ornamental tassels sorghum of the present invention is that occupy a narrow space red fine strain of millet sorghum fine individual plant of Renhuai makees maternal, local short bar sorghum
Variety selection fine individual plant makees male parent, the conventional variety selected after hybridization through fringe.
The Optimum Planting Density of the present invention is 6000-8000 plants/acre.
Advantages of the present invention and beneficial effect：
1st, stable high yield.Breeding of the present invention goes out from " red ornamental tassels " sorghum systematic breeding, and its yield is higher than " red ornamental tassels ", and volume increase is former
Because mainly Grain number per spike is dramatically increased, average about to increase by 150 per fringe, mass of 1000 kernel improves about 1 gram.
2nd, proper height.About 2.4 meters of kind plant height of the present invention, about 20 centimetres are reduced than " red ornamental tassels " plant height, kind
Lodging tolerance strengthens, also more conducively mechanized harvest.
3rd, it is best in quality.The sorghum amylopectin content that the present invention is planted out is high, and waxy strong, tannin content is moderate, wine brewing
Not only distillation yield is high for processing, and wine is best in quality, is compared with other glutinous sorghums, there is a kind of unique fragrance in wine.In China
Suitably work is sowed in spring and summer sowing cultivation for south and most parts of the north, can the receipts ratooning of one kind two in southern some areas.
The present invention, which cultivates the jowar for planting out, also has following characteristic：
1st, in terms of botany：Plant type is compact, well developed root system, and plant strain growth is healthy and strong, and strain leaf color is dark green.2.4 meters or so of plant height, total leaf
Several 13 leaves, the cm of leaf width 7.3.Loose panicle type, 35-43 centimetres of spike length, grain number per spike 3000-3600；Brown shell, red grain, mass of 1000 kernel
22 grams or so.Plant greenery number is more when ripe, not early ageing.Power of regeneration is strong, and autumn stores regeneration, can the receipts of one kind two.
2nd, in terms of biology：The kind belongs to ripe conventional kind in waxy middle bar, and the time of infertility 130 is sowed in Changsha city spring
It or so, 120 days or so the Summer-sowing time of infertility, autumn regenerates about 90 days.Its applicability, high yield are stable better than production at present
On main breed, suitably make in Hunan Province sow in spring and summer sowing cultivation, and one kind two receive ratooning.
3rd, quality：Brown shell, red grain, commodity are good；Total starch content more than 66%, amylopectin content accounts for total starch content
89%-94%, the nature of glass is good, tannin content about 1.55%.It is waxy good, skin depth is planted, resistance to boiling is brewage Maotai special
Quality raw materials.
4th, resistance：Field resistance is stronger, in the multispots trial of 2 years, and product sorghum variety of the present invention is meeting high wind conditions
Under, do not lodge；The fringe portion disease such as head smut is not found, and leaf spot, banded sclerotial blight occur light.
The inventive method is passed through the technology such as rational close planting and strict roguing and grasped by system seed selection parental seed for many years
Make, in 2 years regional testings, average product ranks first.Wherein 2012 Changsha, the Land of Peach Blossoms, Liuyang, Hengdong, 5 points of Ningxiang
Regional testing in, per mu yield is 412.7 kilograms, than conventional glutinous sorghum " blue or green shell ocean " volume increase 21.1%, than conventional glutinous sorghum
" red ornamental tassels " volume increase 13.1%, than conventional glutinous sorghum " small red fine strain of millet " volume increase 25.5%.In Wangcheng in 2013, Nan County, 3, Anxiang point
In pilot production, per mu yield is up to 422.3 kilograms, than compareing red ornamental tassels sorghum yield increasing 16.4%.Plant height 261cm, spike length 38.7cm, fringe
Grain weight 82.8g, mass of 1000 kernel 21.2g.1.0 grades of variable rate technology purple spot, 2.3 grades of helminthosporium maydis, 3.0 grades of banded sclerotial blight, lodging rate 0.6%.
General performance is excellent.
Embodiment
For ease of understanding the present invention, several embodiments of the present invention are shown below is.But, the present invention can be with many not
With form realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to this
The disclosure of invention is more thorough comprehensive.
Unless otherwise defined, all technologies used herein and scientific terminology and the skill of the technical field of the present invention
The implication that art personnel are generally understood that is identical.Term used in the description is intended merely to describe specifically to implement purpose, is not
It is intended to the limitation present invention.
First, parental seed is cultivated：
Fine individual plant is selected to make the small red fine strain of millet sorghum variety of Renhuai local varieties maternal, place spy short-stalked variety selection fine individual plant makees
Male parent, conventional variety " red ornamental tassels " sorghum selected after hybridization through fringe is planted in big Tanaka, selected one plant relatively of short stem, big
By the independent harvest-seed extraction of single fringe of this individual plant after fringe, big grain plant, maturation.Second Year plants this single tassel seed in crop field, into
About 850 plants of seedling；It is observed that Sui Xi colonies are substantially neat, trait expression and choose seeds before that plant are basically identical, in being opened after heading
Hua Qian, selects the excellent individual plant of 20 plants of trait expressions in Sui Xi colonies, is numbered, bagging isolation；After maturation, from bagging
Big fringe, big grain plant that one plant of numbering is 09-12 are selected in 20 plants of individual plants, it is single to receive single de-.Third and fourth year is by 09-12 fringe systems
Independent isolation implant is in crop field, and the fringe for proceeding 2 years selects fine individual plant.Treat the 4th year autumn, take plant neat and consistent, plant and
The stable single-strain seed mixing of Ear Characters, obtains about 15kg seeds, starts in pilot pilot production.
2nd, test site：
Embodiment 1：Changsha Wangcheng area Lei Feng town（Hereinafter referred to as " Wangcheng "）.
Embodiment 2：Lymphogranuloma inguinale township in Nan County（Hereinafter referred to as " Nan County "）.
Embodiment 3：Changde City Anxiang County Anchang township（Hereinafter referred to as " Anxiang "）.
3rd, experimental cultivation scale and design：
1st, Wangcheng：Great Qu is planted, and does not set repetition, railway carriage or compartment is wide 3.3 meters（Containing 0.3 meter of ditch）, it is long 55 meters, 5 rows are planted per railway carriage or compartment railway carriage or compartment face, row is waited
Away from plantation, north and south row is to planting density is 7000 plants/acre.The red ornamental tassels of check variety is planted in first, last railway carriage or compartment face, and whole district's harvest meter is produced,
North and South direction plants correspondence kind of participating in the experiment and does protection row.
2nd, Nan County：The square meter of plot area 200,8800 plants/acre of density.
3rd, Anxiang：Great Qu is planted, and does not set repetition, railway carriage or compartment is wide 3.3 meters（Containing 0.3 meter of ditch）, it is long 55 meters, 5 rows are planted per railway carriage or compartment railway carriage or compartment face,
Deng line-spacing plantation, north and south row is to planting density is 8000 plants/acre.Plant the red ornamental tassels of check variety, whole district's harvest in first, last railway carriage or compartment face
Meter production, North and South direction plants correspondence kind of participating in the experiment and does protection row.
4th, field management：
1st, Wangcheng：Site preparation basal dressing is combined before broadcasting, base manure applies ACRON companies of Russia production NPK NPKs（16-16-
16）, 50kg/ mus of consumption；March 26 was sowed, and emerged April 8, applied seed manure on April 22, and every mu is applied Hunan Tian Run development of chemical industry stock
Part Co., Ltd production urea（Nitrogen content 46.3%, similarly hereinafter）7.5kg.Every mu of need apply 2000-2500 kilograms of dung polluted water, peroxophosphoric acid
30-40 kilograms of 30-40 kilograms of calcium, 10 kilograms of urea or composite fertilizer, take nest to apply or spread fertilizer over the fields, and are applied before transplanting.May 2
Final singling is transplanted, ear manuer was applied on May 22, every mu is applied urea 15kg, May 23 is with must sharp spirit preventing and treating corn borer, intertillage training on May 26
Soil, July 28 harvests.
2nd, Nan County：Using direct-seeding, sowing on April 10, thinning on May 10, base manure applies composite fertilizer 35kg/ mus.May 11
Day mu applies money river urea 15kg and makees seed manure, and mu applied money river urea 25kg and made ear manuer June 25, and combined tillage and weeding ridging.August
Harvest within 21st.
3rd, Anxiang：March 21 was sowed, every mu of 60 kilograms of 40% composite fertilizer that applies fertilizer to the subsoil, and April 30, mu applied the public affairs of seed manure urea 40
Jin.It is public that every mu of need apply 2000-2500 kilograms of dung polluted water, 30-40 kilograms of calcium superphosphate, 10 kilograms of urea or composite fertilizer 30-40
Jin, takes nest to apply or spread fertilizer over the fields, and is applied before transplanting.June 11, mu applied 60 jin of 40% composite fertilizer of ear manuer.Full season medication twice, other
Field management method is identical with crop field.Sorghum jointing stage this season, rainfall is plentiful, and plant strain growth is luxuriant.After by the end of June, local precipitation
It is few, the relatively sunny drying of weather, this season sorghum growth disease is relative to occur lighter, leaf blight, and helminthosporium maydis, banded sclerotial blight is slightly sent out
Raw, snout moth's larva and aphid damage are lighter.
During plantation, seedling being looked into time, is filled the gaps with seedlings, timely tillage and weeding and preventing and treating pest and disease damage mix to common field machinery
The lopsided seedling of hybrid seedling, natural variation with biology hybrid is repeatedly pulled out totally by stages at seedling stage, jointing stage, heading stage.
The sufficient region of warm light resource, head season sorghum 80% maturation can gather in and cut stalk, carry out second season ratooning.Ratooning is needed
" morning " word is especially emphasized, one is early to apply budding fertilizer, pour horse race water once within 7-10 days before the harvesting of head season, and mu urea
10 kilograms.Two be that scraper cuts bar, reduces broken bar, it is ensured that more than 3--5 centimetres of stubble height, ground retains 1-2 section position.Three are
3 days after head season sorghum harvest, then mu applies 8 kilograms of urea, promotes hair seedling in time.When regeneration bud is dealt into certain amount, dredged
Seedling, the method for seedling thinning be it is weak stay strong, go to leave, go to squeeze and stay dilute, stay different azimuth to 2-3 seedlings of sprouting.Four be sorghum again
The prevention and control of plant diseases, pest control of raw season cultivation, is prevented and treated in time according to field occurrence characters and disease pest prediction situation.
5th, result of the test
1st, yield：3 pilot production kind average yield per mus are 422.3 kilograms, relatively compare red ornamental tassels volume increase 16.4%.
2nd, Ear Characters：Triadic mean list spike length is at 38.7 centimetres.
3rd, breeding time：Triadic mean breeding time, the red ornamental tassels of check variety was 133.7 days at 130.1 days.
4th, plant type：Kind triadic mean plant height is in 261cm or so, and the average plant height of the red ornamental tassels of check variety is 283cm.
5th, resistance：By three ground on average, two kinds do not find head smut.Kind purple spot of the present invention, banded sclerotial blight
Morbidity is lighter, and the red ornamental tassels purple spot morbidity of check variety is heavier, and pinta is up to more than 3 grades.
3 points of kinds of the present invention are resistant to lodging compared with the red ornamental tassels performance of check variety, folding ability is relatively strong, and lodging rate 0.0-
1.43%, the rate of falling folding 0.17-0.79%.
Other plantation performance comparative analyses：
1st, materials and methods.
（1）Experimental cultivar：
First group：1. product of the present invention；2. blue or green shell is foreign；3. red ornamental tassels；4. small red fine strain of millet；
Second group：1. product of the present invention；2. blue or green shell is foreign；3. red ornamental tassels；4. small red fine strain of millet.
（2）Test method：
Changsha, the Land of Peach Blossoms, Liuyang, Hengdong, the unified progress of 5 points of Ningxiang in 2012, if 3 repetitions, random district's groups arrangement, cell face
The cultivation of spring sorghum is made in 0.03 mu of product, early April sowing, and field management measure is performed by harmonized programme.Second group in
Carried out in Changsha point within 2013,0.02 mu of plot area, 3 repetitions, sow film nursery late March, the first tenday period of a month in April transplant,
Cut bar late July and make autumn ratooning.
2nd, result and analysis.
（1）Date comprision：
In variety comparative test, the average product of product of the present invention ranks first.In Changsha, the Land of Peach Blossoms, Liuyang, Hengdong, Ningxiang 5 in 2012
In the variety comparative test of individual point, the per mu yield of this product is 412.7 kilograms, than conventional glutinous sorghum " blue or green shell ocean " volume increase 21.1%,
Than conventional glutinous sorghum " red ornamental tassels " volume increase 13.1%, than conventional glutinous sorghum " small red fine strain of millet " volume increase 25.5%.
Variety comparative test cell production（kg）
Variety comparative test yield result is counted（Kg/acre）
In the 2nd group of variety comparative test, two seasons per mu yield of the invention is up to 885 kilograms, than red ornamental tassels volume increase 19.9%.
Variety comparative test yield result
（2）Plant height and breeding time：
Sorghum variety plant height about 253cm of the present invention, it is short in " red ornamental tassels " sorghum, than " small red fine strain of millet " short more than 30cm.Spring is sowed
In the about 130 days time of infertility, in the about 120 days Summer-sowing time of infertility, regenerate the about 90 days sorghum time of infertility.
Variety comparative test character observation
（3）Economic characters：
Mass of 1000 kernel：This sorghum product mass of 1000 kernel is 22 grams, is ranked first in each tested variety.
Grain number per spike：This sorghum product shows big panicle many grains per panicle, and average grain number per spike is up to 3178.The grain number per spike of other tested varieties
It is relatively small.
Spike weight：This sorghum product spike weight ranks first in each tested variety, average 78.3 grams of spike weight, than " small red fine strain of millet "
Spike weight is more 13.2 grams.
（4）Resistance：
Lodging resistance：Spring cultivation sorghum, in the case where meeting strong wind, this product does not occur lodging phenomenon, shows lodging resistance by force,
And lodging phenomenon occurs in " boy ", lodging strain rate is up to 86.7%.
Insect resistace：Investigated through grab sample, this product shows as moderate resistance to aphid, snout moth's larva, and " blue or green shell sheep ", " small red
Fine strain of millet ", because fringe type is tight slightly, shows as susceptible to snout moth's larva.
Disease resistance：Peak period of falling ill investigates each tested variety purple spot incidence, and this product is moderate resistance, during " blue or green shell sheep " is
Degree is susceptible, and " small red fine strain of millet ", " red ornamental tassels " are slight susceptible.Each tested variety does not occur smut, therefore does not investigate.
Sorghum variety insect pest condition survey
Insect pest strain rate<10% is high anti-, and 11-30% is moderate resistance,>31% is susceptible.
Sorghum variety purple spot incidence is investigated
Scab accounts for the percentage of leaf area<20% is light, 21%-40%,>41% attaches most importance to.
3rd, brief summary
Variety comparative test result shows that the advantage of sorghum product of the present invention is stronger, and yield is high, and breeding time is short, better resistance, power of regeneration
By force, spring cultivation and ratooning can be made, suit large area to popularize plantation.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to the present invention
Spirit and scope are defined, and on the premise of design philosophy of the present invention is not departed from, engineers and technicians are to this hair in this area
The all variations and modifications that bright technical scheme is made, all should fall into protection scope of the present invention, claimed skill of the invention
Art content, has all been recorded in detail in the claims.
Claims (3)
1. a kind of breeding method of sorghum, it is characterised in that including herein below：
A, cultivation seed：Select single fringe after relatively of short stem, the big fringe of the red big Tanaka of ornamental tassels sorghum, the plant maturation of big grain independent
The sorghum of threshing harvest is used as one-level breeding；Then one-level breeding is planted in crop field, in Sui Xi colonies before being bloomed after heading
Middle continuation selects relatively of short stem, big fringe, the plant of big grain to be numbered, bagging isolation, after the choosing from the individual plant of bagging after maturation
Go out the big fringe in part, big grain plant and singly receive single de- as two grades of breedings；Again by two grades of independent isolation implants of breeding in big Tanaka, according to
The fringe that I and II breeding mode proceeds 2 years selects fine individual plant, finally obtains qualified cultivation seed；
B, spring, summer sowing cultural method：
a）Sowing：Divide culturing and transplanting seedlings and live two methods, spring culturing and transplanting seedlings were sowed 20 days or so March, thin using light seeding
Film covers nursery, the heart of 4 leaf 1 or so balled transplanting, about 25 days seedling age phases；Summer sowing is preferably in mid or late April seeding and seedling raising, and 5 leaf phases moved
Plant, about 30 days seedling age phases；Spring, the live fine day that can be robbed in early April was sowed；
b）Density：Nest is beaten nest and transplanted per 2 plants of nest away from 27-33cm, line-spacing 50-67cm, and mu ensures 6000-10000 plants, soil fertilizer
The high thin planting of power, the low dense planting of soil fertility；
c）Fertilising：Every mu of need apply 2000-2500 kilograms of dung polluted water, 30-40 kilograms of calcium superphosphate, 10 kilograms of urea or composite fertilizer
30-40 kilograms；Take nest to apply or spread fertilizer over the fields, applied before transplanting；
d）Field management and harvesting：Look into seedling in time, fill the gaps with seedlings, timely tillage and weeding and preventing and treating pest and disease damage, to common field machinery
Mix with the hybrid seedling of biology hybrid, the lopsided seedling of natural variation and repeatedly to pull out dry by stages at seedling stage, jointing stage, heading stage
Only；In the region that warm light resource is sufficient, head season sorghum 80% maturation can gather in and cut stalk, carry out second season ratooning；
C, ratooning method：
a）Budding fertilizer early is applied, pours within 7-10 days before the harvesting of head season and has a ride on a horse water once, and 10 kilograms of urea of mu；
b）Scraper cuts bar, reduces broken bar, it is ensured that more than 3-5 centimetres of stubble height, ground retain 1-2 section position；
c）3 days after head season sorghum harvest, then mu applies 8 kilograms of urea, promotes hair seedling in time；When regeneration bud is dealt into 80% or so, enter
Row seedling thinning, the method for seedling thinning be it is weak stay strong, go to leave, go to squeeze and stay dilute, stay different azimuth to 2-3 seedlings of sprouting；
d）The prevention and control of plant diseases, pest control of sorghum regeneration season cultivation, prevents in time according to field occurrence characters and disease pest prediction situation
Control.
2. the breeding method of sorghum according to claim 1, it is characterised in that the red ornamental tassels sorghum is the small red fine strain of millet in Renhuai
Sorghum fine individual plant makees maternal, and local short bar sorghum variety selection fine individual plant makees male parent, the routine selected after hybridization through fringe
Kind.
3. the breeding method of sorghum according to claim 1, it is characterised in that planting density is 6000-8000 plants/acre.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107517700A (en) * | 2017-08-29 | 2017-12-29 | 长葛市联发粮食专业合作社 | A kind of harmless implantation methods of sorghum |
| CN108719053A (en) * | 2018-06-22 | 2018-11-02 | 仁怀市半山岭果蔬种植专业合作社 | A kind of Organic Sorghum breeding technique |
| CN109258349A (en) * | 2018-10-31 | 2019-01-25 | 汪琴 | A kind of high-yield high-efficiency cultivation method of sorghum |
| CN110447489A (en) * | 2019-09-22 | 2019-11-15 | 刘善勇 | Sorghum efficiency cultivation technology for high method |
| CN116530412A (en) * | 2023-06-13 | 2023-08-04 | 四川省川椒种业科技有限责任公司 | Breeding method of germplasm material of recovery line of brewing sorghum |
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| CN109258349A (en) * | 2018-10-31 | 2019-01-25 | 汪琴 | A kind of high-yield high-efficiency cultivation method of sorghum |
| CN110447489A (en) * | 2019-09-22 | 2019-11-15 | 刘善勇 | Sorghum efficiency cultivation technology for high method |
| CN116530412A (en) * | 2023-06-13 | 2023-08-04 | 四川省川椒种业科技有限责任公司 | Breeding method of germplasm material of recovery line of brewing sorghum |
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