CN1198882A - Creation and utilization of anti-phytocide germplasm of millet - Google Patents
Creation and utilization of anti-phytocide germplasm of millet Download PDFInfo
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- CN1198882A CN1198882A CN 98102098 CN98102098A CN1198882A CN 1198882 A CN1198882 A CN 1198882A CN 98102098 CN98102098 CN 98102098 CN 98102098 A CN98102098 A CN 98102098A CN 1198882 A CN1198882 A CN 1198882A
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Abstract
A method for selectively cultivating new germplasm of millet resisting against herbicide includes cultivating D601SR by hybridization between wild UM131, artificially cultured C478 and sterile line THA-1 and backcross, cultivating D206TR by cross breeding between wild OR, Amende and sterile line Shda-1 and backcross, and cultivating new germplasms DSB553, DSB204 and DSB807 by hybridization between D601SR or D206TR and Yugu No.1 and backcross. An approach for increasing utilization level of heterosis by using herbicide-resisting gene is disclosed.
Description
The present invention is the initiative of a kind of antiweed " Sethoxydin " and " trefanocide " millet new germ plasm and utilizes method, belongs to agricultural biotechnologies breeding research field.
Millet is traditional in the world grain, raise, careless dual-purpose crop, and plantation is all arranged all over the world, mainly is distributed in ground such as Asia, Europe.Millet is the northern China important crops first of the cultivated area of China, the gross output Jun Ju world.Anti-lean, the wide adaptability of millet drought resisting, the anti-storage of seed, scarcity along with global water resource, people pay attention to day by day to dry farming, German millet nutrition is worth high, good palatability in addition, to regulating the effect that rational diet structure can play positive important, these all make millet production present the growth momentum that makes new advances.
The weeding of paddy field is a big world property difficult problem of obstacle millet production development always, mainly shows:
1, existing millet variety does not have the anti-ability that effective herbicide is arranged, and millet produces and still relies on heavy handwork weeding thinning so far, and is time-consuming, is difficult to carry out the plantation of intensification scale, and planting paddy is that the peasant generally acknowledges the operation of taking a lot of work.2, paddy Tanaka weeds kind is many, and quantity is big, and some nearly edge wild species weeds also are difficult to identification seedling stage, and are very big to millet output, quality influence, generally can cause underproduction 20-30%, when part continuous cropping paddy field is serious even cause total crop failure.3, the millet floral organ is little, the crossbreeding difficulty, and the little and many weed seeds of millet seed grain are similar, and difficulty is cleaned in seed processing, has quickened the degeneration that mixes of new popularization improved seeds, and its application life is shortened, and has greatly reduced the utilization ratio of improved seeds.4, intensive agriculture development, the amount of application of weed killer herbicide heightens, residual and the drift that is used in the weed killer herbicide of first crop or contiguous other crop also works the mischief often to millet, and this situation and modern agriculture are extremely incompatible, are seriously restricting the development that world millet produces.In order to solve this difficult problem, some scholars had once carried out the screening operation of millet variety or weed killer herbicide both at home and abroad, the anti-source of tool not in the regrettably existing MILLET GERMPLASM RESOURCES RESISTANT, only find that indivedual kinds have certain patience to indivedual weed killer herbicides, and employing is not good enough to the method effect of the little low dosage weed killer herbicide weeding of millet damage, and the also bad grasp of peasant has certain distance (" Chinese millet cultivation " with practical application, agricultural publishing house, front page).From changing the characteristic of millet antiweed in essence, most economical effective method is the seed selection resistant variety.
Through extensively identifying, owing to there is not the anti-source of high antiweed in the MILLET GERMPLASM RESOURCES RESISTANT, be difficult to gather effect so utilize MILLET GERMPLASM RESOURCES RESISTANT to carry out the antiweed breeding, the eighties has begun the evaluation to the nearly edge wild species of millet, in the colonies such as the blue or green green foxtail of nearly edge wild species of millet, found the antiweed resistant gene, some gene pairs weed killer herbicide " Sethoxydin " performance is high anti-, and some gene pairs weed killer herbicide " trefanocide " performance is high anti-.How the anti-herbicide gene that does not contain ill effect in the wild species is transferred to cultivation millet, createing millet antiweed new germ plasm with practical value in the world is the target that millet breeding man is pursued.
The objective of the invention is to adopt methods such as edge sexual hybridization far away, the antiweed " Sethoxydin " that will come from respectively among blue or green green foxtail (Setaria viridis) UM131 of millet wild resource, the Oak River (OR) in Canadian Manitoba area imports to cultivated species millet with " trefanocide " gene, continue after obtained the antiweed " Sethoxydin " and " trefanocide " millet new germ plasm that resistance reaches realistic scale, inheritance stability by hybridization, back cross breeding, the further sound technology path that imports the external source desirable genes to millet.
Another object of the present invention is on the basis that obtains the antiweed new germ plasm, the series methods of comprehensive utilization antiweed new germ plasms such as genetic research and conventional breeding and heterosis utilization is proposed, set up and utilize anti-sense weed killer herbicide millet near isogene strain to carry out the comparative approach of anti-herbicide gene second effect, and carry out the method that resistance is identified by the medicament biologically.
A kind of selection of herbicide resistance foxtail millet new germ plasm with wild relatives UM131 and cultivar C478 or male sterile line THA-1 hybridization, and is backcrossed 2 times, obtains D601SR series; With wild relatives OR and cultivar Amende or male sterile line Shda-l hybridization, and backcross 2 times, obtain D206TR series; With D601SR series and D206TR series and Yungu No.1, No. 11, Ji Gu, C445, Henan paddy hybridizes for No. 2, backcrosses, the new germ plasm DSB807 that selects antiweed Sethoxydin and trefanocide millet new germ plasm DSB553 and DSB204 and resist these two kinds of weed killer herbicides again.
D601SR series is meant D601SR and D602SR.
D206TR series is meant D206TR and D207TR.
With the new germ plasm DSB553, the DSB204 that are obtained or DSB807 and recommended variety hybridization, cultivate the herbicide resistance foxtail millet new varieties: change the recessive anti-herbicide gene of the nuclear of DSB204 over to male sterile line or maintenance line, to keep its purity; Changing the dominance anti-herbicide gene of DSB553 over to recovery system, is hybridization with such recovery, uses weed killer herbicide crossbreed application Tanaka and can remove pseudostationary, non-purpose hybrid and weeds simultaneously.
The present invention is a kind of selection of herbicide resistance foxtail millet new germ plasm, backcross for twice with cultivated species with intersecting and merging of mixing such as millet cultivar resource material C478 and male sterile line THA-1 with the nearly edge wild species of the herbicide resistance foxtail millet that identifies resource UM131, Oak River (OR), by chromosomal fracture and reorganization, select antiweed " Sethoxydin " and " trefanocide " millet one green foxtail germplasm D601SR and D206TR etc. respectively.
The kind Henan paddy that continuation such as antiweed germplasm D601SR and D206TR and producing is applied No. one, Ji paddy No. 11, C445, Henan paddy No. 2 is waited improved seeds to hybridize with consecutive numbers generation and backcrosses, breed the new germ plasm DSB807 of antiweed " Sethoxydin " new germ plasm DSB553 and antiweed " trefanocide " new germ plasm DSB204 and anti-again these two kinds of weed killer herbicides etc., these millet new germ plasm genetics of resistance good stabilities, economical character is better, is beneficial to breeding man and utilizes.
Antiweed new germ plasm DSB553 energy antiweed " Sethoxydin " sethoxydim, also anti-other dimetone derivatives (Aryloxyphenoxypropionte, APP) and cyclohexane derivant class weed killer herbicide (Cyclohexanedione, CHD), as Diclofop, FenoxaprOp, Fluazifop, Haloxylop, Quizalofop, Tralkoxydim etc.Antiweed new germ plasm DSB204 energy antiweed " trefanocide ", also anti-other dinitroaniline herbicides (Dinitroaniline), as Benfluralin, Oryzalin, Trifluralin, Butralin, Pendimethalin etc.The resistance of antiweed can be confirmed by bud phase, seedling stage method such as weed killer herbicide biologically.
Antiweed " Sethoxydin " new germ plasm resistance is controlled by cell nucleus dominance single-gene.By the research with sense weed killer herbicide near-isogenic line draws to antiweed, the importing of antiweed " Sethoxydin " gene can not bring adverse influence to biological yield and economic flow rate, helps the raising of economic flow rate.The control that antiweed " trefanocide " new germ plasm resistance is done by two pairs of recessive nuclear genes mutually.The genetic distance of these two pairs of genes (cross-over value) α=0.23.Second effect analysis of antiweed " trefanocide " gene shows that the importing of resistant gene can cause certain biological yield to reduce.
Another content of the present invention is the method for utilizing of herbicide resistance foxtail millet new germ plasm
The antiweed new germ plasm resistance that the present invention obtains all is cell nucleus gene control, the easy transformation of resistance, and economical character well easily utilizes.Be fit to the herbicide resistance foxtail millet new varieties that dissimilar ecotope utilize and be applied to production practices by selecting with different ecological type millet variety hybridization, back cross breeding, two kinds of resistance new varieties be used alternatingly or same multiple anti-kind is alternately used two kinds of weed killer herbicides and is helped prolonging the service life of antiweed new varieties.
Millet is strict self pollination crop, and floral organ is little, hybridizes very difficultly, makes that many genetic researches are difficult to carry out.The dominant karyon gene that the present invention obtains and the antiweed new germ plasm of recessive karyon Gene Handling are to carry out the very valuable basic material of all kinds of genetic researches, can simplify the hybridization program, improve hybridization, backcross success accuracy, confidence level.
Antiweed " trefanocide " gene that will belong to recessive genetics of resistance imports male sterile line, with numerous kind of purity that can keep male sterile line effectively of such male sterile line.Antiweed " Sethoxydin " gene that will belong to the dominance genetics of resistance imports the recovery system of male sterile line, when utilizing such recovery to be the preparing hybrid kind, can remove pseudostationary and weeds simultaneously by weed killer herbicide, can significantly improve all kinds of male sterile lines (heredity sterile, physiology is sterile, chemical emasculation is sterile etc.) for various reasons sterile degree can not reach the level of utilizing of 100% sterile population institute preparing hybrid kind.
Advantage of the present invention and good effect are as follows:
1, the present invention is model with millet, successfully formulates out the millet antiweed new germ plasm of anti-two kinds of types of herbicide, for cultivation available herbicide resistance foxtail millet new varieties on producing are laid a good foundation.The herbicide resistance foxtail millet kind is used on producing safely and effectively, will cause a major transformation on the millet cultivation and production, is indicating the not thinning of precision drilling that people look forward to, no-tillage weeding by machine becomes a reality.This not only can save great amount of manpower and financial resources, sets up the intensification system agricultural industry, and can utilize the anti-lean characteristics of millet drought resisting, in conjunction with using weed killer herbicide exploitation wasteland, is with a wide range of applications, and will have a tremendous social and economic benefits.
2, realize the variation of anti-source
Through the evidence of weed killer herbicide biologically, the antiweed that the present invention obtains " Sethoxydin " new germ plasm DSB553 energy antiweed " Sethoxydin " Sethoxydim, also anti-dimetone derivative and cyclohexane derivant class weed killer herbicide; Antiweed " trefanocide " new germ plasm DSB204 energy antiweed " trefanocide " Trifluraline, also anti-other dinitroaniline herbicides.On the basis that obtains monoclonal antibody weed killer herbicide new germ plasm, the new lines DSB807 of anti-two kinds of weed killer herbicides has again been synthesized in breeding.Except this research, yet there are no millet antiweed " Sethoxydin " at home and abroad, the report of " trefanocide " new germ plasm.New germ plasm DSB553 series of the present invention, antiweed " Sethoxydin " performance is extremely strong, reaches realistic scale.New germ plasm DSB204 series of the present invention, antiweed " trefanocide " performance is strong, can reach realistic scale.
3, the resistance of the antiweed series new germ plasm that obtains of the present invention all is cell nucleus gene control, the easy transformation of resistance, and also its genetic background is the recommended variety of Chinese millet main producing region, economical character is better, very is beneficial to antiweed breeding utilization.Be fit to the herbicide resistance foxtail millet new varieties that dissimilar ecotope utilize and be applied to production practices by selecting with different ecological type millet variety hybridization, back cross breeding, two kinds of resistance new varieties be used alternatingly or two kinds of weed killer herbicides be used alternatingly the service life that helps prolonging the antiweed new varieties.
4, millet is strict self pollination crop, and floral organ is little, hybridizes very difficultly, makes that many genetic researches are difficult to carry out.The dominant karyon gene that the present invention obtains and the antiweed new germ plasm of recessive karyon Gene Handling are to carry out the very valuable tool materials of all kinds of genetic researches, utilize the present invention can simplify the hybridization program, improve hybridization, backcross success accuracy, confidence level.
Antiweed " trefanocide " the gene importing male sterile line that 5, will belong to recessive genetics of resistance, the purity that can keep male sterile line effectively, antiweed " Sethoxydin " gene that will belong to the dominance genetics of resistance imports the recovery system of male sterile line, can remove pseudostationary and weeds simultaneously by weed killer herbicide when utilizing such crossbreed, improve the level of utilizing that dissimilar millet male sterile lines (heredity sterile, physiology is sterile, chemical emasculation is sterile etc.) sterile degree can not reach crossbreed that 100% sterile population prepares for various reasons.The positive effect of these two kinds of new ways, breeding novel male sterile line of millet and new restoring head and shoulders above is this concrete example, and whole crop heterosis utilization is had great significance.
6, the technology of seed selection process employing of the present invention is quick, easy.
Description of drawings:
Fig. 1 is the seed selection programme diagram of antiweed of the present invention " Sethoxydin " new germ plasm DSB553
Fig. 2 is the seed selection programme diagram of antiweed of the present invention " trefanocide " new germ plasm DSB204
Fig. 3 is the seed selection program of antiweed new germ plasm of the present invention " Sethoxydin ", " trefanocide " DSB807
Fig. 4 protects utilization aspect pure for recessive millet antiweed " trefanocide " gene of the present invention in sterility
Fig. 5 uses Tanaka for dominance millet antiweed of the present invention " Sethoxydin " gene crossbreed and removes the program of utilizing of pseudostationary, non-purpose hybrid and weeds.
Narrate embodiments of the invention below in conjunction with accompanying drawing:
One, antiweed " Sethoxydin " new germ plasm
1, the initiative of antiweed " Sethoxydin " millet new germ plasm
(1) with millet cultivar resource material C478 and male sterile line THA-1 and the blue or green green foxtail UM131 hybridization of the nearly edge wild species of the antiweed that obtains from Canadian Manitoba, identify hybrid by biochemical marker, obtain millet one green foxtail hybrid, continue after backcrossed with it for two generations with C478, obtain herbicide resistance foxtail millet one green foxtail germplasm D601SR.
(2) use D601SR and Yungu No.1, No. 11, Ji Gu, C445, Henan paddy waits for No. 2 the existing popularization of millet improved seeds hybridization and continuous backcross more than 5 generations, breeds herbicide resistance foxtail millet new germ plasm DSB553.
2, the resistance properties of antiweed " Sethoxydin " is identified
(1) the resistance biological experiment of new germ plasm is determined to begin death when conventional millet variety is used the 1/64-1/32 dosage of recommended dose (480g/ha.) seedling stage, and the resistance new germ plasm can be survived under 24 times of consumptions of recommended dose.Field trial shows that using the weeding of weed killer herbicide " Sethoxydin " recommended dose does not influence the output of millet, and certain production-increasing function is arranged.
(2) this resistance new germ plasm antiweed " Sethoxydin " not only, and anti-other dimetone derivative Aryloxyphenoxypropionate and cyclohexane derivant class Cyclohexanedione weed killer herbicide, as Diclofop, Fenoxaprop, Fluazifop, Haloxyfop, Quizalofop, Tralkoxydim etc.Resistance can be confirmed by bud phase, weed killer herbicide biologically test in seedling stage.
3, the genetics of resistance analysis of antiweed " Sethoxydin " new germ plasm
(1) the new germ plasm genetics of resistance is stable, and the inbreeding of more generation resistance level does not change.
(2) resist the hybridization of sense material, first generation of hybrid performance antiweed, in two generations, met 3: 1 anti-sense separation, and first backcross generation meets 1: 1 anti-sense separation.Just giving reciprocal cross unanimity as a result.
(3) resistance the analysis showed that resistance is the heredity that belongs to a pair of dominance nuclear gene control.
4, second effect analysis of antiweed " Sethoxydin " germplasm resistant gene
(1) different densities (20 strains/square metre, 50 strains/square metre), the anti-sense of three kinds of different modes plantation near-isogenic line (100% resistance colony, 50% resistance, 50% perceptual population mixture, 100% perceptual colony) repeat for 5 times.
(2) different times is investigated 22 economical characters, by comparing different groups, the result of the anti-sense of different condition near-isogenic line.
(3) result of study shows that millet obtains antiweed " Sethoxydin " gene and can not produce the effect that reduces the economical character level.
5, the economical character of herbicide resistance foxtail millet new germ plasm
King-rod, big fringe, Huang Gu, glutinous millet.
Two, antiweed " trefanocide " new germ plasm
1, the initiative of antiweed " trefanocide " millet new germ plasm
(1) with millet cultivar resource material Amende and male sterile line Shda-l and the antiweed that obtains from the Canadian Monitoba blue or green green foxtail Oak River of nearly edge wild species (OR) hybridization, identify by biochemical marker, obtain millet one green foxtail hybrid, continue after backcrossed with it for two generations with Amende, obtain antiweed " trefanocide " millet one green foxtail germplasm materials D206TR.
(2) use D206TR and Yungu No.1, No. 11, Ji Gu, C445, Henan paddy waits for No. 2 the existing popularization of millet improved seeds hybridization and continuous backcross more than 5 generations, breeds herbicide resistance foxtail millet new germ plasm DSB204.
2, the resistance properties of antiweed " trefanocide " is identified
(1) the resistance biological experiment of new germ plasm.Determining antiweed can application dosage 0.8Kg/ha.And general kind and paddy field grassy weed can not survive under this dosage.
(2) this resistance new germ plasm antiweed " trefanocide " not only, also anti-other dinitroaniline herbicides (Dinitroaniline), as Benfluralin, Oryzalin, Trifluralin, Butralin, Pendimethalin etc.Resistance can be confirmed by bud phase, weed killer herbicide biologically test in seedling stage.
3, the genetics of resistance analysis of antiweed " Sethoxydin " new germ plasm
(1) the new germ plasm genetics of resistance is stable, and the inbreeding of more generation resistance level does not change.
(2) anti-sense material hybridization, first generation of hybrid performance sense weed killer herbicide, the anti-sense of F2, F3 separates and meets two pairs of nuclear recessive genes and do the heredity controlled, its two pairs of gene genetics distance (cross-over value) α=0.23 mutually.Just giving reciprocal cross unanimity as a result.
4, second effect analysis of antiweed " trefanocide " new germ plasm resistant gene
(1) different densities (20 strains/square metre, 50 strains/square metre), the anti-sense of different mode plantation near-isogenic line (10% resistance colony, 50% resistance, 50% perceptual population mixture, 100% perceptual colony) repeats for 5 times.
(2) different times is investigated 22 economical characters, by comparing different groups, the result of the anti-sense of different condition near-isogenic line.
(3) result of study shows that millet obtains antiweed " trefanocide " gene and can produce the effect that reduces biological yield in some aspects.
5, the economical character of herbicide resistance foxtail millet new germ plasm
King-rod, big fringe, Huang Gu, glutinous millet.
Three, multiple antiweed " Sethoxydin ", " trefanocide " new germ plasm is synthetic
Utilize antiweed " Sethoxydin " new germ plasm DSB553 and antiweed " trefanocide " new germ plasm DSB204 hybridization,, breed multiple antiweed " Sethoxydin " and " trefanocide " new germ plasm DSB807 by selection to offspring's resistance segregation population.
Four, recessive anti-herbicide gene is applied to the embodiment that male sterile line is preserved
By sexual hybridization and back cross breeding the transformation of recessive antiweed " trefanocide " gene among all kinds of male sterile lines of breeding (or maintenance line), such male sterile line is in the time of numerous kind, male sterile line is accepted the resulting seed sense of the pollen weed killer herbicide of non-purposes such as external conventional variety, plant such male sterile line and just can remove assorted strain and weeds simultaneously by using weed killer herbicide, numerous kind of therefore such male sterile line does not need strict isolated area.
Five, the dominance anti-herbicide gene is applied to the embodiment of crossbreed roguing
By sexual hybridization and back cross breeding the transformation of dominance antiweed " Sethoxydin " gene among all kinds of recoveries systems (or kind), when utilizing, just can remove pseudostationary simultaneously by using weed killer herbicide, mix strain and weeds with the hybrid of such recovery system preparation.Simultaneously, carry out cross breeding seed with such recovery system and do not need strict isolated area.In addition, anti-herbicide gene helps to improve the advantage of crossbreed.
Six, anti-herbicide gene is used for the embodiment that each types of populations of genetic research is widened
Millet is strict self pollination crop, and floral organ is little, hybridizes very difficultly, makes that many genetic researches are difficult to carry out.The dominant karyon gene that the present invention obtains and the antiweed new germ plasm of recessive karyon Gene Handling are to carry out the very valuable tool materials of all kinds of genetic researches, utilize the present invention can simplify the hybridization program, improve hybridization, backcross success accuracy, confidence level.For example F1 plant colony widen the material that can study and the tassel of dominance antiweed strain is enclosed within the paper bag, results are studied the seed plantation of material, can obtain believable crossbreed F1 plant by using weed killer herbicide.
Claims (4)
1, a kind of selection of herbicide resistance foxtail millet new germ plasm is characterized in that: with wild relatives UM131 and cultivar C478 or male sterile line THA-1 hybridization, and backcross 2 times, obtain D601SR series; With wild relatives OR and cultivar Amende or male sterile line Shda-l hybridization, and backcross 2 times, obtain D206TR series; With D601SR series and D206TR series and Yungu No.1, No. 11, Ji Gu, C445, Henan paddy hybridizes for No. 2, backcrosses, the new germ plasm DSB807 that selects antiweed Sethoxydin and trefanocide millet new germ plasm DSB553 and DSB204 and resist these two kinds of weed killer herbicides again.
2, according to the selection of claim 1 art, it is characterized in that: D601SR series is meant D601SR and D602SR.
3, according to the selection of claim 1 art, it is characterized in that: D206TR series is meant D206TR and D207TR.
4, selection according to claim 1 is characterized in that: use new germ plasm DSB553, the DSB204 or DSB807 and the recommended variety hybridization that are obtained, cultivate the herbicide resistance foxtail millet new varieties; Change the recessive anti-herbicide gene of the nuclear of DSB204 over to male sterile line or maintenance line, to keep its purity; Changing the dominance anti-herbicide gene of DSB553 over to recovery system, is hybridization with such recovery, uses weed killer herbicide crossbreed application Tanaka and can remove pseudostationary, non-purpose hybrid and weeds simultaneously.
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| CN98102098A CN1067512C (en) | 1998-06-15 | 1998-06-15 | Creation and utilization of anti-phytocide germplasm of millet |
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| CN98102098A CN1067512C (en) | 1998-06-15 | 1998-06-15 | Creation and utilization of anti-phytocide germplasm of millet |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102771379A (en) * | 2012-06-20 | 2012-11-14 | 河北省农林科学院谷子研究所 | Culture method of millet male sterile line of different-cytoplasmic-type anti-imazethapyr weedicide |
| CN105706917A (en) * | 2016-03-30 | 2016-06-29 | 河北省农林科学院谷子研究所 | Breeding method of special foxtail millet for forage grass |
| CN106900540A (en) * | 2017-03-03 | 2017-06-30 | 福建农林大学 | A kind of selection of anti-yellowing glutinous millet variety high |
| CN106942044A (en) * | 2017-03-03 | 2017-07-14 | 福建农林大学 | A kind of selection of high anti-white glutinous millet variety |
| CN106942045A (en) * | 2017-03-03 | 2017-07-14 | 福建农林大学 | A kind of selection of the green millet variety of how anti-selenium-rich |
| CN107593342A (en) * | 2017-10-30 | 2018-01-19 | 湖南杂交水稻研究中心 | It is a kind of to remove rice field shattering paddy seedling and the implantation methods of weeds simultaneously |
| 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 |
| 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 |
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| CN101960987A (en) * | 2010-10-21 | 2011-02-02 | 湖北省农业科学院粮食作物研究所 | Seed production method for hybrid rice |
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- 1998-06-15 CN CN98102098A patent/CN1067512C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102771379A (en) * | 2012-06-20 | 2012-11-14 | 河北省农林科学院谷子研究所 | Culture method of millet male sterile line of different-cytoplasmic-type anti-imazethapyr weedicide |
| CN102771379B (en) * | 2012-06-20 | 2014-05-14 | 河北省农林科学院谷子研究所 | Culture method of millet male sterile line of different-cytoplasmic-type anti-imazethapyr weedicide |
| CN105706917A (en) * | 2016-03-30 | 2016-06-29 | 河北省农林科学院谷子研究所 | Breeding method of special foxtail millet for forage grass |
| CN106900540A (en) * | 2017-03-03 | 2017-06-30 | 福建农林大学 | A kind of selection of anti-yellowing glutinous millet variety high |
| CN106942044A (en) * | 2017-03-03 | 2017-07-14 | 福建农林大学 | A kind of selection of high anti-white glutinous millet variety |
| CN106942045A (en) * | 2017-03-03 | 2017-07-14 | 福建农林大学 | A kind of selection of the green millet variety of how anti-selenium-rich |
| CN107593342A (en) * | 2017-10-30 | 2018-01-19 | 湖南杂交水稻研究中心 | It is a kind of to remove rice field shattering paddy seedling and the implantation methods of weeds simultaneously |
| 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 |
| 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 |
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