CN104351042B - A kind of breeding method of weak muscle wheat - Google Patents
A kind of breeding method of weak muscle wheat Download PDFInfo
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- CN104351042B CN104351042B CN201410540165.8A CN201410540165A CN104351042B CN 104351042 B CN104351042 B CN 104351042B CN 201410540165 A CN201410540165 A CN 201410540165A CN 104351042 B CN104351042 B CN 104351042B
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Abstract
The invention provides a kind of breeding method of weak muscle wheat, taking peaceful wheat No. 9, for maternal, peaceful wheat 13 be male parent preparing hybrid, obtains F1, and F1 is bred to generation F2, F3 and F4, and F2, F3 select good single fringe, mixing threshing; F4 is selected to good single fringe, and a point fringe threshing kind becomes head progeny row F5; Select according to the performance of head progeny row field the head progeny row that comprehensive disease resistance is strong, economical character is good; It is F6 that head progeny row kind is become to fringe, selects that the ripe phase is moderate, comprehensive resistance is strong, the good fringe of economical character is F6 according to field performance; Be to plant into identify garden by each F6 good fringe, quality trait is measured comprehensively, select the excellent strain of high yield and high quality. The present invention utilizes genetic recombination and additive effect, be aided with the orientation selection that lodging resistance, quality trait and yield traits etc. carry out multiple generations, be bred as the weak muscle new strain of wheat of the high-qualitys such as peaceful 1053, peaceful 1054 and peaceful 1055, these new lines have anti-fall, comprehensive disease resistance of short stem compared with advantages such as strong, yield potentiality is large, staies in grade, have production application and are worth.
Description
Technical field
The invention belongs to crop breeding method and technology field, relate to the cultivation of the weak muscle wheat of a kind of good quality and high outputMethod.
Background technology
Weak muscle wheat refers to that seed matter is soft, protein content is low, gluten strength is weak, extensibility is better, suitableMake the wheat of the food such as biscuit, cake and southern soft steamed bun. The particularity, the geography that formed by its qualityThe impact of position and ecological factor etc., the weak muscle wheat of high-quality is generally more suitable for producing in middle low latitudes area,Only be applicable to soft red winter of plantation or soft white winter wheat in national some areas such as the U.S. and Australia abroad. According to" Wheat in China Quality Regionalization scheme " and " Regional Distribution of Superior Agriculture Products's planning ", under China only has in the Changjiang riverThe scale plantation of the weak muscle wheat of the suitable high-quality in Yangze river and Huai river Plain of trip, the gross area is not enough, and national wheat is broadcast 10% of area.This district's soil is taking sandy soil---and sandy loam is as main, and weather is moistening, and heat condition is good, annual rainfall 800-1400Mm, and overcast and rainy on the high side between the pustulation period, illumination is on the weak side, and wheat seed protein accumulation amount is low, is conducive to seedThe formation of plane of weakness muscle. The riverine region in Jiangsu Province and coastal high sandy soil region are that the weak muscle wheat in the middle and lower reach of Yangtze River is excellentThe nucleus of gesture construction of the industrial corridor.
During the nearly last ten years, scientific research breeding unit of Jiangsu Province has obtained breakthrough in the seed selection of weak muscle wheat breedProgress, be successively bred as peaceful wheat No. 9, raise wheat No. 9, raise wheat 13, peaceful wheat 13, raise wheat 15, raise wheat 18,Raw select No. 6, peaceful wheat 18, raise the weak muscle wheat breeds such as wheat 20. Applying as muscle a little less than China of these kindsPositive impetus has been played in the development of Wheat Production. But along with improving constantly of Wheat Production level, rawHigher in the urgent need to yield potentiality on product, comprehensive resistance is stronger, the better wheat breed of quality. Therefore, trainingEducate the primary breeding objective that the disease-resistant weak muscle wheat special new varieties of good quality and high output are middle and lower reach of Yangtze River Mai Qu.
Summary of the invention
The object of the invention is to overcome the defect existing in prior art, provide one to utilize interbreedImprove the breeding method of weak muscle wheat quality, output and resistance. The wheat new product of cultivating by this breeding methodThe weak muscle stay in grade of system, comprehensive resistance are good, wide adaptability, yield potentiality are large.
In order to achieve the above object, the invention provides following technical scheme:
A breeding method for weak muscle wheat, comprises the following steps:
1) taking the peaceful wheat of wheat breed No. 9 as maternal, with high yield extensively suitable, comprehensive disease resistance is strong, semi-dwarf mutant is anti-fallWheat breed is male parent, and preparing hybrid combination obtains hybridization F1;
2) F1 is bred and produce F2, two generations of F3, combined hybrid kind is all pressed by F2, the hybrid population in F3 generationPlant, F2 and F3 are carried out to the observation qualification of Agronomic characteristic, disease resistance, lodging resistance, maturation for colonyTime select good single fringe mixing threshing, results seed. Because F2, F3 are second, third materials of hybridization in generation,From generation to generation lower, the genotype of various proterties is mostly in heterozygous state, therefore, and in this step to select fringe mixedBe combined into basis. The seed of F1 results is F2, and the seed of F2 results is F3, and the seed of F3 results is F4;
3) combined hybrid plantation is all pressed to by F4 hybrid population, then carry out economical character, disease resistance and lodging resistanceObservation qualification, when ripe, carry out ear selection, point fringe threshing, single fringe kind that indoor selection seed is soft, fullSon is as F5; When cultivation arrived F4 for time, the genotype of most proterties is tending towards isozygotying, so this step is selected fringeThe single fringe threshing of rear employing, single fringe kind of middle choosing becomes head progeny row F5, and now F5 is tending towards isozygotying substantially.
4) F5 kind is become to head progeny row, according to field performance select semi-dwarf mutant, lodging resistance is strong, comprehensive disease resistance is strong,The head progeny row that economical character is good, carries out quality trait detection after results, select to meet weak muscle wheat quality indexHead progeny row material;
5) by to select head progeny row F5 kind to become fringe be F6, select moderate, comprehensive resistance of ripe phase according to field performanceBy force, the good fringe of economical character is F6;
6) be to plant into identify garden F7 by each F6 good fringe, measure grain yield, identify disease-resistant, lodging resistance,Quality trait is measured comprehensively, finally selected that output is high, comprehensive resistance is strong, quality meets the weak muscle of countryThe excellent strain of wheat standard.
Further, in step 2) in, when F2 and F3 select fringe mixing threshing, every family selects 400Individual good single fringe.
Further, in step 3) in, when F4 selects fringe to divide fringe threshing, 400-500 is selected in each combinationIndividual good single fringe.
Traditionally, in wheat conventional breeding, generally adopt " pedigree method " and " mixing method " two kinds of systems of selection,What weak muscle wheat breeding method provided by the invention adopted is improved group selection method, combines mixing method and collectionThe advantage of group's back-and-forth method, by selecting Parents preparing hybrid, utilizes genetic recombination and additive effect, woundProduce super close offspring, by directed selection of many generations, cultivated the weak muscle new strain of wheat of multiple high-qualitys. TheseThe weak muscle index of quality of new lines and peaceful wheat No. 9 are quite or better, yield potentiality obviously exceedes peaceful wheat No. 9,Particularly plant height is than No. 9 short 7-8cm of peaceful wheat, and stem stalk quality is good, and lodging resistance is strong, and having certain popularization shouldBy prospect or as parent's resource of genetic improvement of wheat.
Brief description of the drawings
Fig. 1 is breeding method flow chart of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present invention, technical scheme of the present invention is clearly and completely described,Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment. BaseEmbodiment in the present invention, those of ordinary skill in the art obtain not making under creative work prerequisiteThe every other embodiment obtaining, belongs to the scope of protection of the invention.
As shown in Figure 1, the breeding method of a kind of weak muscle wheat provided by the invention, comprises the following steps:
1) the peaceful wheat of wheat breed of muscle stay in grade a little less than selecting low albumen, low gluten content the spring of First YearBe for No. 9 maternal, this kind has that to spend more many, comprehensive disease resistance better, but stem stalk is thinner, lodging resistance a little less than;Select comprehensive agronomy proterties better, that plant is shorter, stem stalk is thick, lodging resistance is strong is peaceful 0078 (name afterwards intoPeaceful wheat 13) wheat breed is male parent, preparing hybrid combination; Hybridization F0 is planted in autumn planting in the same year, and the Second Year summer harvest obtainsHybridization F1.
2) in second to the 5th year, F1 is planted respectively to F2, F3 and F4 for combination by production density, everyThe individual generation, each family was planted 15 row, and row is long 3.6 meters, 0.25 meter of line-spacing, approximately 4500 strains of each family colony.The observation qualification that F2 and F3 are carried out to Agronomic characteristic, disease resistance, the proterties such as resistant to lodging for colony, becomesWhen ripe, 400 good single fringes of every family results, mix threshing, and adopt near-infrared to divide to gathered in the crops seedAnalyse instrument and measure grain protein content;
3) F4 colony is carried out again to the observation qualification of the proterties such as economical character and disease resistance, lodging resistance, maturationShi Jinhang ear selection, 400-500 good single fringe of results, adopts a point fringe threshing, indoor selection full seed,Soft single fringe seed.
3) good single fringe kind of middle choosing was become head progeny row F5 by the 5th year autumn, long 1.6 meters of row, 0.25 meter of line-spacing.Carry out stooling, winter resistance selection seedling stage; The 6th year spring recorded heading, florescence; The grouting maturity period carries outComprehensive resistance, economical character and yield traits are selected; After results, measure grain protein content, grain hardnessAnd precipitation number, select grain protein content and precipitation number low, meet the head progeny row of weak muscle wheat quality index.
4) the head progeny row kind of middle choosing is become to fringe is F6 the 6th year autumn, each fringe system plantation 7 row, and long 1.6 meters of row,0.25 meter of line-spacing, is 1 contrast kind of plantation every 10 fringes, moderate according to the field performance ripe phase of selection,The fringe system that comprehensive resistance is strong, economical character is good, and press respectively fringe system and mix harvest-seed extraction, measure seedYield and quality. Quality determination mainly comprises grain protein content, precipitation number and Solvent retention capacity. SelectGoing out yielding ability good fringe better, that quality reaches weak muscle wheat index in F6 is.
5) the 7th year autumn was to recommend to enter output qualification garden (F7) by good fringe, the strain plantation 5 of every part, qualification gardenOK, row is long 5 meters, 0.25 meter of line-spacing,, every 1 contrast kind of 10 strains plantations, field test is disease-resistant,Lodging resistance and economical character, measure grain yield after results, adopt farinograph, tensilometer and the instrument that froths to measureFlower characters and Cookie quality, it is little that finishing screen selects that output is high, comprehensive resistance is strong, quality meets the weak muscle of countryPeaceful 1053, peaceful 1054, peaceful 1,055 three good Sister Lines of wheat standard are participated in multiple spot variety tests.
In 2011-2012 year multiple spot variety test, peaceful 1053, peaceful 1054 and peaceful 1055 averagePer mu yield is respectively 470.5 kilograms, 488.0 kilograms and 462.0 kilograms, raises wheat 11 increase production respectively than contrast10.48%, 14.52% and 8.48%. The plant height of 3 strains is than the short 10-13cm of contrast, and fertilizer resistance anti-lodging is strong,Disease qualification result, middle anti gibberellic disease, banded sclerotial blight and yellow mosaic, middle sense powdery mildew. Attributional analysis result,Grain protein content 11.45%, 12.12%, 12.23%; Wet gluten content 21.2%, 22.1%, 23.0%;Dough stability time 1.9 minutes, 2.1 minutes, 2.4 minutes.
The breeding method of weak muscle wheat provided by the invention, its three kinds that obtain are peaceful 1053, peaceful 1054,Peaceful 1055 output are high, comprehensive resistance strong, quality meets the weak muscle wheat standard of country, and plant height is short, stem stalk qualityGood, lodging resistance is strong, can be generalized in the Changjiang river as the disease-resistant weak muscle wheat special new varieties of good quality and high output underYou Maiqu application, the while also can be used as parent's resource of genetic improvement of wheat.
The above be only the specific embodiment of the present invention, but protection scope of the present invention is not limited toThis, any be familiar with those skilled in the art the present invention disclose technical scope in, can expect easilyChange or replace, within all should being encompassed in protection scope of the present invention. Therefore, protection scope of the present invention shouldThe described protection domain with claim is as the criterion.
Claims (3)
1. a breeding method for muscle wheat a little less than, comprises the following steps:
1) taking the peaceful wheat of wheat breed No. 9 as maternal, the anti-fall wheat breed of semi-dwarf mutant is male parent, preparing hybrid groupClose, obtain hybridization F1;
2) F1 is bred and produce F2, two generations of F3, combined hybrid kind is all pressed by F2, the hybrid population in F3 generationPlant, F2 and F3 are carried out to the observation qualification of Agronomic characteristic, disease resistance, lodging resistance, maturation for colonyTime every family select good single fringe, mix threshing, the seed of results, the seed of F1 results is F2, F2 resultsSeed be F3, the seed of F3 results is F4;
3) combined hybrid plantation is all pressed to by F4 hybrid population, then carry out economical character, disease resistance and lodging resistanceObservation qualification, when ripe, carry out ear selection, point fringe threshing, single fringe kind that indoor selection seed is soft, fullSon is as F5;
4) F5 kind is become to head progeny row, according to field performance select semi-dwarf mutant, lodging resistance is strong, comprehensive disease resistance is strong,The head progeny row that economical character is good, carries out quality trait detection after results, select to meet weak muscle wheat quality indexHead progeny row material;
5) the head progeny row kind of middle choosing being become to fringe is F6, according to field performance select that the ripe phase is moderate, comprehensive resistance is strong,The fringe system that economical character is good;
6) be to plant into identify garden F7 by each F6 good fringe, measure grain yield, identify disease-resistant, lodging resistance,Quality trait is measured comprehensively, finally selected that output is high, a little less than comprehensive resistance is strong, quality meets countryThe excellent strain of muscle wheat standard.
2. the breeding method of weak muscle wheat according to claim 1, is characterized in that: in step 2)In, when F2 and F3 select fringe mixing threshing, every family is selected 400 good single fringes.
3. the breeding method of weak muscle wheat according to claim 2, is characterized in that: in step 3)In, when F4 selects fringe to divide fringe threshing, 400-500 good single fringe selected in each combination.
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| CN113875582B (en) * | 2021-11-25 | 2023-01-20 | 邯郸市农业科学院 | Cross breeding method for keeping genetic diversity of wheat |
| CN114365688A (en) * | 2022-01-25 | 2022-04-19 | 四川省农业科学院作物研究所 | Breeding method for new wheat variety |
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| CN101032221B (en) * | 2006-03-06 | 2011-06-08 | 西南科技大学 | Selecting method of conventional breeding of wheat |
| CN101524048B (en) * | 2009-04-08 | 2012-12-05 | 周谦 | Dry field high yield and high quality winter wheat new variety selective breeding technology |
| JP2011120580A (en) * | 2009-11-25 | 2011-06-23 | Dow Agrosciences Llc | White wheat varieties, and compositions and methods using the same |
| CN102732557A (en) * | 2012-06-28 | 2012-10-17 | 河北省农林科学院粮油作物研究所 | Novel method of low-gluten wheat germplasm creation |
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Effective date of registration: 20170228 Address after: Xiaolingwei Nanjing City, Jiangsu province 210014 Zhongling Street No. 50 Patentee after: JIANGSU ACADEMY OF AGRICULTURAL SCIENCES Patentee after: JIANGSU MINGTIAN SEED TECHNOLOGY CO.,LTD. Address before: Xiaolingwei Nanjing City, Jiangsu province 210014 Zhongling Street No. 50 Patentee before: Jiangsu Academy of Agricultural Sciences |
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