CN106613900A - Breeding and cultivating method for millet varieties resisting sethoxydim and imidazolone herbicides - Google Patents
Breeding and cultivating method for millet varieties resisting sethoxydim and imidazolone herbicides Download PDFInfo
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- CN106613900A CN106613900A CN201610879314.2A CN201610879314A CN106613900A CN 106613900 A CN106613900 A CN 106613900A CN 201610879314 A CN201610879314 A CN 201610879314A CN 106613900 A CN106613900 A CN 106613900A
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- millet
- imidazolinone herbicide
- sethoxydin
- variety
- antiweed
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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
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
- A01N35/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/50—1,3-Diazoles; Hydrogenated 1,3-diazoles
Abstract
The invention discloses a breeding method for millet varieties resisting sethoxydim and imidazolone herbicides, and belongs to the technical field of crop breeding and cultivating. The breeding method includes the steps: (1) taking millet resisting sethoxydim as female parents, performing hybridization for the millet resisting sethoxydim and millet resisting imidazolone herbicides to obtain F1-generation seeds, and spraying imidazolone herbicides; (2) performing self-cross for the F1-generation seeds sprayed the imidazolone herbicides to obtain 4-5-generation seeds, spraying the imidazolone herbicides and sethoxydim, and selecting from high-generation seeds to obtain the millet varieties. The invention further provides an application and a cultivating method of the millet varieties. According to the breeding method, novel millet varieties resisting sethoxydim and imidazolone herbicides are cultivated, cultivation technologies matched with the millet varieties are researched, the method has high flexibility in thinning weed killing aspect of herbicides, and the cost of the herbicides is low.
Description
Technical field
The invention belongs to crop breeding and technical field of cultivation, are related to a kind of and anti-Sethoxydin, imidazolone type weeding
The seed selection of agent millet variety and cultural method.
Background technology
The use of herbicide weeding is the basic measures of modern agricultural production.Millet not antiweed itself, and due to grain
It is little to be difficult to precision drilling, seriously constrain millet scale, intensive metaplasia by artificial thinning and weeding always for thousands of years
Produce, be the key restriction factors of industry development, therefore, cultivate and using antiweed kind be millet realize it is light simplify, scale
The key that metaplasia is produced.At present, the millet simplified cultivation kind applied in production is mainly monoclonal antibody Sethoxydin type kind, sprays and takes
Monocotyledon weed can only be killed when catching net, and it is invalid to broadleaf weed, and the broadleaf weed for removing valley floor is relatively difficult.Cause
This, the kind of cultivation and anti-Sethoxydin and imidazolinone herbicide becomes the work purpose of our breeders, is removed using two kinds
Careless agent, can effect a radical cure the most of weeds in valley floor, and cost is reduced.
But, simple antiweed kind can only realize chemical weed control, and can both chemical weed control can chemical thinning
The multiline variety that antiweed kind is actually made up of 2-3 Sister Lines, its principle is to cultivate anti-, not anti-or anti-different anti-
The Millet Variety and homotype Sister Lines of herbicide, and by it is anti-, do not resist or anti-different antiweeds Millet Variety and homotype
Sister Lines mixture by a certain percentage, forms multiline variety, on the premise of ensureing that larger application rate plays colony's top soil effect,
Using its Resistant Difference to herbicide, according to the situation of emerging, by selectively spraying particular herbicide thinning simultaneously is reached
With the purpose of weeding.
Therefore, cultivate the Millet Variety of two kinds of herbicides of simultaneous anti-imidazolinone herbicide and Sethoxydin and study it and match somebody with somebody
Set cultivation technique, has greater flexibility in terms of using herbicide thinning weeding, and herbicide cost is relatively low.
The content of the invention
The present invention devises a kind of and anti-Sethoxydin, imidazolinone herbicide millet variety to solve the above problems
Seed selection and cultural method, the inventive method obtained and anti-Sethoxydin, imidazolinone herbicide Millet Variety.
The present invention is to realize that the technical scheme that its purpose is adopted is：
A kind of and anti-Sethoxydin, the selection of imidazolinone herbicide millet variety, wrap in the selection step
Include：
(1) millet with anti-Sethoxydin is hybridized as female parent with the millet of anti-imidazolinone herbicide, obtains F1
In generation, then spray imidazolinone herbicide；
(2) generations of the F1 generation seed selfing 4-5 after imidazolinone herbicide will be sprayed and imidazolinone herbicide is sprayed
And Sethoxydin, select to obtain millet variety in advanced lines.
Using and anti-Sethoxydin, imidazolinone herbicide millet variety cultivate and " and anti-imidazolinone herbicide and take
Catch the antiweed homotype Sister Lines of net millet new lines+monoclonal antibody imidazolinone herbicide homotype Sister Lines+not " composition it is many
It is kind；" simultaneous anti-imidazolinone herbicide and capture are cultivated using simultaneous anti-Sethoxydin, imidazolinone herbicide millet variety
The polyphyly of the antiweed NIL of net millet new lines+monoclonal antibody imidazolinone herbicide NIL+not " composition
Kind.
" and the millet new lines+monoclonal antibody imidazolinone herbicide homotype elder sister of anti-imidazolinone herbicide and Sethoxydin
The selection step of the multiline variety of younger sister system+not antiweed homotype Sister Lines " composition includes：
A, with the millet of anti-Sethoxydin as female parent, hybridized with the millet of anti-imidazolinone herbicide, obtain F1 generation,
Then imidazolinone herbicide is sprayed, F1 generation selfing obtains F2 generations；
B, F2 spray imidazolinone herbicide and Sethoxydin simultaneously for Seedling Stage, kill not antiweed and anti-completely
The paddy seedling of herbicide is planted, the Some seeds that each individual plant that F2 generations are selected is harvested are carried out with seedling stage anti-imidazolinone herbicide mirror
It is fixed, eliminate the not individual plant of antiweed and monoclonal antibody Sethoxydin herbicide completely；
C, F3 only spray imidazolinone herbicide for each strain seedling stage 50%, and 50% sprays imidazolone type weeding simultaneously
Agent and Sethoxydin, eliminate spraying after imidazolinone herbicide and Sethoxydin the strain without dead seedling and whole paddy seedling is dead
Strain, the Some seeds that each individual plant harvests are selected to F3 generations carries out seedling stage antiweed identification, selects and anti-imidazolone
The individual plant of class herbicide and Sethoxydin, the individual plant of monoclonal antibody imidazolinone herbicide and to the two equal not anti-individual plant, it is of future generation
Contrast selection is carried out, until selecting millet, the monoclonal antibody imidazolone type weeding of simultaneous anti-imidazolinone herbicide and Sethoxydin
The Sister Lines of agent and the Sister Lines not resisted to the two, three is mixed, and three's mixture forms multiline variety.
" and the millet new lines+monoclonal antibody imidazolinone herbicide of the anti-imidazolinone herbicide and Sethoxydin base such as closely
Because being+not antiweed NIL " the selection step of multiline variety of composition includes：
A, with and anti-imidazolinone herbicide and Sethoxydin millet as male parent, carry out with the millet of not antiweed miscellaneous
Hand over, obtain F1 generation, then the millet with not antiweed is returned 4-5 generations as recurrent parent, per Dai Jun in seedling spraying Sethoxydin
And imidazolinone herbicide；
Seed selfing 2-3 generations again are obtained after B, backcrossing, therefrom selects to obtain millet variety, while selecting monoclonal antibody imidazoles
The NIL of quinoline type herbicides and the not antiweed near isogene sensitive to Sethoxydin, imidazolinone herbicide
System, three's mixture forms multiline variety.
Using semi-accuracy seeding, the cultural method step includes：
A, it is day in June 15-25 in Hebei, Shandong and Henan Xia Guqu suitable sowing date, line-spacing 0.35-0.4 rice, mu application rate 0.8-
1.0kg；
The Wild jujube in Taihang Mountain Area spring sowing suitable sowing date May 20-6 months 10, line-spacing 0.38-0.42 rice, mu application rate 0.7-0.8kg；
B, emerge after 6-9 days, according to situation herbicide spraying of emerging：Imidazolinone herbicide is sprayed, not anti-system is only killed,
Realize chemical thinning, weeding；If paddy seedling is a lot, while spraying imidazolinone herbicide and Sethoxydin, monoclonal antibody imidazoline is killed
Type herbicides Sister Lines (or NIL) and not anti-system, while realizing chemical thinning, weeding.
In described step B, when only spraying imidazolinone herbicide, per mu sprays 5% imazethapyr 100-150ml
Or 25% imazapyr 20-30ml, to water 20-40kg.
In described step B, when spraying imidazolinone herbicide and Sethoxydin, dosage is per mu of 5% imidazoles second cigarette
Sour 100-120ml or 25% imazapyr 20-30ml, 12.5% Sethoxydin 80-90ml.
The beneficial effects of the present invention is：The paddy of simultaneous anti-Sethoxydin and imidazolinone herbicide is selected using the method
Sub- new varieties Ji paddy 35.The kind is the paddy of domestic and international first and two kinds of herbicides of anti-imidazolinone herbicide and Sethoxydin
Sub- new varieties, can flexibly stay seedling.2012, the millet variety was in Yield compari@test than control Ji paddy 19 volume increase 6.56%.
Jing multiple spots identify that the ripe phase is moderate, and Comprehensive Traits are excellent.Kind 2013-2014 regional testing average yield per mu 366.8kg, compared with
Control Ji paddy 19 volume increase 7.63%, occupies 2013-2014 tested varieties the 3rd.The kind selenium-rich, rich in GABA, it is comprehensive
Close resistance against diseases strong.
Specific embodiment
The inventive method is described in detail below.
Embodiment 1
1st, Breeding Process
Spring in 2008, combination K359 × M4-1 is prepared in experiment station greenhouse, maternal K359 is Hebei Prov. Academy of Agricultural ＆. Forest Sciences paddy
The high yield and high quality one of strain of anti-Sethoxydin kind Ji paddy 25 of sub- research institute's seed selection, male parent M4-1 is agricultural section of Hebei province
The anti-imidazolinone herbicide breeding material of millet research institute of institute initiative.Summer in 2008, removed by spraying imidazolone type
Careless agent filters out the true cenospecies of F1 generation.F2 in 2009 sprays imidazolinone herbicide for M460 and Sethoxydin selects 6 individual plants；
The numerous F3 of South of Hainan in 2009 sprays imidazolinone herbicide for H381 (M460-3) and Sethoxydin selects 10 individual plants；2010
F4 selects 8 individual plants for M702 (H381-10)；The numerous F5 of South of Hainan in 2010 selects 7 individual plants for HM223 (M702-7)；2011
Year F6 selects 4 individual plants, and the annual production comparative test of mixed receipts plant seed preparation 2012 for M1088 (HM223-5).2012
It is numerous that F7 selects 23 individual plant south for M2173 (M1088-2), shows that solid good, lodging resistance is good, the ripe phase is moderate, ripe lover, and
Anti- Sethoxydin and imidazolinone herbicide.Meanwhile, select the close monoclonal antibody imidazolone type of economical character, Comprehensive Traits and remove
The supporting Sister Lines of careless agent, not antiweed.New lines go out garden, and code name is M2173, by national millet variety evaluation committee
Identification, names as Ji paddy 35.
2nd, variety characteristic
Ji paddy 35 is the millet new product of domestic and international first and two kinds of herbicides of anti-imidazolinone herbicide and Sethoxydin
Kind.
Seedling can flexibly be stayed：Ji paddy 35 is by the basically identical simultaneous anti-imidazolinone herbicide of three kinds of appearance and Sethoxydin sisters
System, not monoclonal antibody imidazolinone herbicide Sister Lines, antiweed Sister Lines mixture composition, can flexibly stay seedling.
High-quality：Crude fat content is up to 5.4%, millet color and luster cadmium yellow light, viscous perfume of cooking congee.
Selenium-rich：Root system collection selenium ability is strong, absorbs millet Se content naturally in selenium-rich soil and reaches selenium-rich standard.
Rich in GABA：With the artery sclerosis that reduces blood pressure, prevents, strengthen the functions such as memory.
High yield：In 2013-2014 countries millet variety regional testing, average yield per mu 366.8kg is relatively compareed the kind
Ji paddy 19 increases production 7.63%, national millet variety pilot production average yield per mu 401.7kg, relatively control volume increase 8.59%.
Drought resisting：1 grade highly drought-enduring.
Comprehensive resistance against diseases is strong：1 grade of high rust quality, 2 grades of anti-banded sclerotial blights, millet blasts, poliosis, red-leaf disease, nematodiasis are sent out
Sick rate 0.33-1.81%.
3rd, yield
2012, the millet variety was in yield is than test than control Ji paddy 19 volume increase 6.56%.The identification of Jing multiple spots, ripe phase
Moderate, Comprehensive Traits are excellent.Kind 2013-2014 regional testing average yield per mu 366.8kg, relatively control Ji paddy 19 is increased production
7.63%, occupy 2013-2014 tested varieties the 3rd.Regional testing average yield per mu 331.0kg in 2013, relatively control volume increase
6.77%, occupy tested variety the 3rd；Regional testing average yield per mu 402.5kg in 2014, relatively control volume increase 8.34%, residence is participated in the experiment
Kind the 9th, 14 pilots 12 points of volume increase, amounts of increase in production are between 3.17%-27.20%；2 underproduction, underproduction amplitude exists
Between 0.66%-1.58%.The coefficient of variation 4.69%, fitness 85.7%；24 sub-regions are tested 20 points volume increase, are increased within 2 years
Product amplitude is 1.50%-27.20%, and volume increase point rate is 83.3%.
4th, cultivation technique
It is day in June 15-25 in Hebei, Shandong and Henan Xia Guqu suitable sowing date, line-spacing 0.35-0.4 rice, mu application rate 0.8-1.0kg,
The Wild jujube in Taihang Mountain Area spring sowing suitable sowing date May 20-6 months 10 on the south Beijing, 0.4 meter of line-spacing, mu application rate 0.75kg.
(1) simultaneous anti-imidazolinone herbicide and Sethoxydin kind.Precision drilling not thinning, 6-9 days after emerging, per mu of spray
5% imazethapyr 100-150ml or 25% imazapyr 20-30ml is applied, single broadleaf weed can be killed；15 days or so Ruo Xin
When raw weeds are too many, 12.5% Sethoxydin 80-100ml is sprayed.
And anti-imidazolinone herbicide and Sethoxydin kind (2)+not antiweed kind.Semi-accuracy seeding, after emerging
6-9 days, per mu sprayed 5% imazethapyr 100-150ml or 25% imazapyr 20-30ml, can kill single broadleaf weed
Antiweed kind, does not realize chemical thinning, weeding；If new raised weed was too many in 15 days or so, 12.5% Sethoxydin is sprayed
80-100ml。
(3) simultaneous anti-imidazolinone herbicide and Sethoxydin kind+monoclonal antibody imidazolinone herbicide kind+not anti-weeding
Agent kind.Semi-accuracy seeding, after emerging 6-9 days according to emerging situation herbicide spraying：Generally, per mu sprays 5% miaow
Azoles second nicotinic acid 100-150ml or 25% imazapyr 20-30ml, only kills weeds and not antiweed kind, realize chemical thinning,
Weeding；If paddy seedling is a lot, while spraying imidazolinone herbicide and Sethoxydin, dosage is per mu of 5% imazethapyr
100-120ml or 25% imazapyr 20-30ml, 12.5% Sethoxydin 80-90ml, kill weeds, monoclonal antibody imidazolone type and remove
Careless agent kind and not antiweed kind, while realizing chemical thinning, weeding.
Notice that two kinds of herbicides will be sprayed in calm fine day, prevent from flying away on other paddy fields and other crops, in ridge
Will uniformly spray and between ridge.
The suitable Shandong of millet variety of the present invention, Henan, Hebei Xia Guqu and Beijing, Eastern Hebei, South Liaoning Chun Gu area
Plantation.
Imidazolinone herbicide of the present invention is the class herbicide in ALS class herbicides, including imidazoles second cigarette
Acid, imazapyr, AC 263222, imazamox.
Embodiment 2
And anti-Sethoxydin, the resistant analysis of imidazolinone herbicide millet：
(1) present invention and anti-Sethoxydin, imidazolinone herbicide millet germplasm genetics of resistance are stablized, inbreeding of more generation resistance
Level does not change.
(2) in anti-sense material hybridization, first-filial generation performance antiweed, F2 generations, meet 3:1 anti-sense is separated, first backcross generation symbol
Close 1:1 anti-sense is separated.Just giving reciprocal cross result consistent.Illustrate the anti-Sethoxydin proterties of millet, anti-imidazolinone herbicide
Shape is controlled respectively by a pair of core dominant genes.
Embodiment 3
And anti-Sethoxydin, the second effect analysis of imidazolinone herbicide millet germplasm resistant gene：
(1) at different densities (30 plants/square metre, 50 plants/square metre), three kinds of different modes plant anti-sense NIL
(100% is perceptual for 100% and anti-Sethoxydin, imidazolinone herbicide millet colony, 50% resistance, 50% perceptual population mixture
Colony), 5 repetitions, per 15 square metres of cell；
(2) different times are investigated economical character, by comparing different groups, the anti-sense NIL of different condition
Result；
(3) result of study shows that millet obtains and anti-Sethoxydin, imidazolinone herbicide gene will not reduce agronomy
Shape level effect.
Claims (7)
1. a kind of and anti-Sethoxydin, the selection of imidazolinone herbicide millet variety, it is characterised in that：The selection
Step includes：
(1) millet with anti-Sethoxydin is hybridized as female parent with the millet of anti-imidazolinone herbicide, obtains F1 generation, so
After spray imidazolinone herbicide；
(2) generations of the F1 generation seed selfing 4-5 after imidazolinone herbicide will be sprayed and is sprayed imidazolinone herbicide and taken
Catch net, select to obtain millet variety in advanced lines.
2. according to claim 1 and anti-Sethoxydin, the application of imidazolinone herbicide millet variety, its feature exists
In：Using and anti-Sethoxydin, imidazolinone herbicide millet variety cultivate " and anti-imidazolinone herbicide and Sethoxydin
The polyphyly product of the antiweed homotype Sister Lines of millet new lines+monoclonal antibody imidazolinone herbicide homotype Sister Lines+not " composition
Kind；Using and anti-Sethoxydin, imidazolinone herbicide millet variety cultivate " and anti-imidazolinone herbicide and Sethoxydin
The polyphyly product of the antiweed NIL of millet new lines+monoclonal antibody imidazolinone herbicide NIL+not " composition
Kind.
3. according to claim 2 and anti-Sethoxydin, the application of imidazolinone herbicide millet variety, its feature exists
In：" antiweed of and millet new lines+monoclonal antibody imazethapyr homotype Sister Lines of anti-imazethapyr and Sethoxydin+not is same
The selection step of the multiline variety of type Sister Lines " composition includes：
A, with the millet of anti-Sethoxydin as female parent, hybridized with the millet of anti-imidazolinone herbicide, obtain F1 generation, then
Imidazolinone herbicide is sprayed, F1 generation selfing obtains F2 generations；
B, F2 spray imidazolinone herbicide and Sethoxydin simultaneously for Seedling Stage, and completely antiweed and anti-one kind are not removed for kill
The Some seeds that each individual plant that F2 generations are selected is harvested are carried out seedling stage anti-imidazolinone herbicide identification by the paddy seedling of careless agent,
Eliminate the not individual plant of antiweed and monoclonal antibody Sethoxydin herbicide completely；
C, F3 only spray imidazolinone herbicide for each strain seedling stage 50%, 50% spray simultaneously imidazolinone herbicide and
Sethoxydin, eliminates and sprays the dead strain of the strain without dead seedling and whole paddy seedlings after imidazolinone herbicide and Sethoxydin
The Some seeds that F3 generations select each individual plant results are carried out seedling stage antiweed identification by system, select and anti-imidazolone type is removed
The individual plant of careless agent and Sethoxydin, the individual plant of monoclonal antibody imidazolinone herbicide and to the two equal not anti-individual plant, the next generation is carried out
Contrast is selected, until selecting and the millet of anti-imidazolinone herbicide and Sethoxydin, monoclonal antibody imidazolinone herbicide
Sister Lines and the Sister Lines not resisted to the two, three is mixed, and three's mixture forms multiline variety.
4. according to claim 2 and anti-Sethoxydin, the application of imidazolinone herbicide millet variety, its feature exists
In：" and the millet new lines+monoclonal antibody imidazolinone herbicide NIL of anti-imidazolinone herbicide and Sethoxydin+
The selection step of the multiline variety of not antiweed NIL " composition includes：
A, with and imidazolinone herbicide and Sethoxydin millet as male parent, hybridized with the millet of not antiweed, obtain
To F1 generation, then the millet with not antiweed is returned 4-5 generations as recurrent parent, per Dai Jun in seedling spraying Sethoxydin and miaow
Oxazoline type herbicides；
Seed selfing 2-3 generations again are obtained after B, backcrossing, therefrom selects to obtain millet variety, while selecting monoclonal antibody imidazolone
The NIL of class herbicide and the not antiweed NIL sensitive to Sethoxydin, imidazolinone herbicide,
Three's mixture forms multiline variety.
5. the cultural method of millet variety as claimed in claim 1, it is characterised in that：Using semi-accuracy seeding, the cultivation side
Method step includes：
A, it is day in June 15-25 in Hebei, Shandong and Henan Xia Guqu suitable sowing date, line-spacing 0.35-0.4 rice, mu application rate 0.8-1.0kg；
The Wild jujube in Taihang Mountain Area spring sowing suitable sowing date May 20-6 months 10, line-spacing 0.38-0.42 rice, mu application rate 0.7-0.8kg；
B, emerge after only spray imidazolinone herbicide or spray imidazolinone herbicide and take according to situation of emerging within 6-9 days
Catch net.
6. cultural method according to claim 5, it is characterised in that：In described step B, only spray imidazolone type and remove
During careless agent, per mu sprays 5% imazethapyr 100-150ml or 25% imazapyr 20-30ml, is watered 20-40kg.
7. cultural method according to claim 5, it is characterised in that：In described step B, imidazolone type weeding is sprayed
When agent and Sethoxydin, dosage is per mu of 5% imazethapyr 100-120ml or 25% imazapyr 20-30ml, 12.5% takes
Catch net 80-90ml.
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| CN108575735A (en) * | 2018-07-19 | 2018-09-28 | 安阳市农业科学院 | A kind of breeding method of rapidly and efficiently selection and breeding eurytopicity millet variety |
| CN112106649A (en) * | 2020-09-16 | 2020-12-22 | 河北省农林科学院滨海农业研究所 | Rapid breeding method of imidazolinone herbicide-resistant rice germplasm |
| CN113748982A (en) * | 2021-10-12 | 2021-12-07 | 张家口市农业科学院(河北省高寒作物研究所) | Method for creating male sterile line of millet containing different cytoplasm |
| CN115005095A (en) * | 2022-07-26 | 2022-09-06 | 山东省农业科学院 | Method for rapidly breeding new imidazolinone herbicide-resistant glutinous rice variety |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108575735A (en) * | 2018-07-19 | 2018-09-28 | 安阳市农业科学院 | A kind of breeding method of rapidly and efficiently selection and breeding eurytopicity millet variety |
| CN112106649A (en) * | 2020-09-16 | 2020-12-22 | 河北省农林科学院滨海农业研究所 | Rapid breeding method of imidazolinone herbicide-resistant rice germplasm |
| CN113748982A (en) * | 2021-10-12 | 2021-12-07 | 张家口市农业科学院(河北省高寒作物研究所) | Method for creating male sterile line of millet containing different cytoplasm |
| CN115005095A (en) * | 2022-07-26 | 2022-09-06 | 山东省农业科学院 | Method for rapidly breeding new imidazolinone herbicide-resistant glutinous rice variety |
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| CN106613900B (en) | 2019-04-16 |
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