CN1166279C - Method for breeding hybrid by using maize inbred line germplasm material - Google Patents
Method for breeding hybrid by using maize inbred line germplasm material Download PDFInfo
- Publication number
- CN1166279C CN1166279C CNB021144907A CN02114490A CN1166279C CN 1166279 C CN1166279 C CN 1166279C CN B021144907 A CNB021144907 A CN B021144907A CN 02114490 A CN02114490 A CN 02114490A CN 1166279 C CN1166279 C CN 1166279C
- Authority
- CN
- China
- Prior art keywords
- days
- inbred line
- fringe
- green
- corn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 240000008042 Zea mays Species 0.000 title claims abstract description 60
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 14
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 title claims abstract description 13
- 235000009973 maize Nutrition 0.000 title claims abstract description 13
- 238000009395 breeding Methods 0.000 title claims abstract description 12
- 230000001488 breeding effect Effects 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 title claims abstract description 11
- 238000009331 sowing Methods 0.000 claims abstract description 28
- 241000196324 Embryophyta Species 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 235000013339 cereals Nutrition 0.000 claims abstract description 15
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 47
- 235000005822 corn Nutrition 0.000 claims description 47
- 241000228438 Bipolaris maydis Species 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 6
- 230000036512 infertility Effects 0.000 claims description 6
- 208000000509 infertility Diseases 0.000 claims description 6
- 231100000535 infertility Toxicity 0.000 claims description 6
- 230000008774 maternal effect Effects 0.000 claims description 6
- 239000000575 pesticide Substances 0.000 claims description 6
- 108090000623 proteins and genes Proteins 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 102000004169 proteins and genes Human genes 0.000 claims description 4
- 244000061458 Solanum melongena Species 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 240000002635 Dendrocalamus asper Species 0.000 claims description 2
- 240000000902 Diospyros discolor Species 0.000 claims description 2
- 230000035558 fertility Effects 0.000 claims description 2
- 230000001932 seasonal effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 36
- 238000002474 experimental method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 241000209140 Triticum Species 0.000 description 8
- 235000021307 Triticum Nutrition 0.000 description 8
- 239000003337 fertilizer Substances 0.000 description 6
- 238000011160 research Methods 0.000 description 4
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 3
- 239000004472 Lysine Substances 0.000 description 3
- 244000062793 Sorghum vulgare Species 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000009396 hybridization Methods 0.000 description 3
- 238000011081 inoculation Methods 0.000 description 3
- 235000019713 millet Nutrition 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 241001124076 Aphididae Species 0.000 description 2
- 235000019750 Crude protein Nutrition 0.000 description 2
- 241000346285 Ostrinia furnacalis Species 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 235000019784 crude fat Nutrition 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 239000010977 jade Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 108700011325 Modifier Genes Proteins 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 101150044508 key gene Proteins 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
The invention discloses a method for breeding hybrid by using germplasm material of maize inbred line, and maize single hybrid is sourced from inbred line Y75As female parent and inbred line K12The single hybrid bred in 1995 as a male parent has purplish red sheath of seedling leaves, dark green leaf color, narrower leaves and strong seedling vigor; the plant type of the adult plant is compact, the number of leaves is 20, the included angle of leaves on the tassel is small, the green-keeping period is long, the plant height is 250 cm-280 cm, the ear height is 95cm-100cm, the stem thickness is 3.5cm, the double-tassel rate is 8%, 5-10 tassel branches are provided, the anther is yellow, and the filament is light red; the length of the cylindrical spike is 23-25 cm, the thickness of the spike is 5.2cm, the spike row is 18-20, the number of grains in the row is 42, the thousand-grain weight is 310-328 g, the seed yield is 87%, the middle yellow spike is hard, the bud is tight and thick, and the bud has the bud lobule phenomenon; belongs to middle-aged seeds, the growth period of spring sowing is 115-117 days, the growth period of summer sowing is 103-105 days, and orthogonal seed production 75×K12): the female parent is sowed with the male parent at the same time after being soaked; backcross seed production (K)12×Y75): sowing the female parent and the male parent simultaneously; the ratio of parent-parent rows is 3: 1 or 4: 1; 4500-5000 seedlings are remained in each mu.
Description
One, affiliated field
The present invention relates to Crop Genetics and Breeding section in the agricultural science and technology, particularly a kind of method of utilizing corn inbred line germplasm materials seed selection crossbreed.
Two, background technology
China belongs to large agricultural country, corn occupies crops the 3rd, its area and gross output account for cereal crops 1/3, corn hybrid seed technology and industrialization thereof account for critical role in the crop mix adjustment, along with grain through of the transformation of two meta structures to ternary (grain-economy-feed) structure, the grain of corn, raise, the exploitation of raw material purposes, strengthen the research of corn new germplasm inbred line and new hybrid preparation method, to the seed industry, feed industry, grocery trade development practical significance are great.And the hybridization of seed and seed selection are the element tasks that China attaches great importance to always, and the at present related corn hybridization and the kind of seed selection have many, and each kind all has weather, area and the pluses and minuses separately of adaptation.Corn is the king of feed, and the corn research and production continue high-efficient development to farming and animal husbandry strategic importance.
Three, summary of the invention
The purpose of this invention is to provide a kind of high-quality, disease-resistant, the corn inbred line new germ plasm of high-combining ability and be one of parent with it, assembly are suitable for northwest and eastern North China corn producing region spring sowing corn, the method for utilizing corn inbred line germplasm materials seed selection crossbreed of summer sowing corn and similar ecotope popularizing planting early.
To achieve these goals, the technical solution used in the present invention is, utilizes the method for corn inbred line germplasm materials seed selection crossbreed, obtains by the following method:
1) free corn inbred line germplasm materials Y
75
1. cultivar origin
No. 5 * Pool is combined in Shan
34QPMC
4, selfing continuously, Hainan adds for breeding;
2. Y
75The inbred line standard
A. seedling leaf sheath redness, blade is grayish green, and the seedling gesture is stronger; Become strain plant height 155cm, fringe position 70cm, the number of blade 19, Ye Shangting on the fringe, plant type compactness, dark green leaf color, tassel is medium, 4-5 of branch amounts, the tassel joint is crisp, frangibility, pollen amount is big, and flower pesticide is yellowish green, and bract is long, dual spike rate 30%, high resistant to lodging, fall folding, drought resisting, drought-enduring, anti-blue or green withered, anti-black powder, anti-silk dust-brand, anti-fringe Maize Ear Rot, leaf blight MR0.5, helminthosporium maydis A0.5, interior ripe property is good, and cauline leaf is dark green when ripe, holds green phase speciality;
B. fruit ear cylindricality, spike length 16cm-18cm, the thick 3.4cm of fringe, head progeny row 18-20, thousand kernel weight 153g, cob purplish red, fecundity are good, not bald, head progeny row is more random, carpopodium is short and crisp, yellow in the middle of solids type partially, belong to hard endosperm high-quality protein maize inbred line;
C. late-maturing type in belonging to is sowed in spring the 125 days time of infertility summer sowing 110 days;
2) corn single cross hybrid
Free corn single cross hybrid is with Y
75Make maternal and inbred line K
12Do the father;
1. breed standard
A. seedling leaf sheath aubergine, the leaf look dark green, and blade is narrower, seedling gesture stalwartness; Become strain plant type compactness, the number of blade 20, the leaf angle is little on the fringe, and it is long to hold the green phase, plant height 250cm～280cm, the high 95cm-100cm in fringe position, the thick 3.5cm of stem, dual spike rate 8%, 5-10 of tassel branches, flower pesticide yellow, filigree light red; The cylindricality fringe, spike length 23cm～25cm, the thick 5.2cm of fringe, head progeny row 18～20, row grain is several 42, thousand kernel weight 310g～328g, seed-producing rate 87%, yellow in the middle of solids type partially, bract is tight and thick, and luxuriant leaflet phenomenon is arranged;
B. belong to middle seasonal strain, sow in spring 115 days-117 days breeding time, red beautiful 13 precocities 3 days～5 days; 103 days～105 days breeding time of summer sowing, be analogous to Shan single No. 9;
2. breeding hybridized
A. preparing mode:
The quadrature production of hybrid seeds (Y
75* K
12): maternal seed soaking back is broadcast with male parent the same period;
The reciprocal cross production of hybrid seeds (K
12* Y
75): female, the male parent sowing same period gets final product;
B. female male parent row was than 3: 1 or 4: 1;
C. should stay seedling 4500 strains～5000 strains by mu;
The crossbreed of seed selection of the present invention, (code name Shan single 9505, existing called after Shan list 16 is former), identify through plant protection institute of Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology inoculation: high anti-blue or green withered, the fringe Maize Ear Rot of this kind, in anti-short floral leaf, silk dust-brand, helminthosporium maydis, ripe in the performance when ripe, it is long to hold the green phase, and bract is tight and thick, luxuriant leaflet phenomenon is arranged, and suitable grain is raised dual-purpose and is with excellent ensiling; This product kind compact kind, happiness liquid manure, but unsuitable dense planting.When light seeding, fruit ear is thick, and yield potential is big.Guanzhong is sowed in spring the 117 days time of infertility, and red beautiful 13 precocious 3-5 days, summer sowing 103-105 in the time of infertility days was analogous to Shan single No. 9.
Analyze according to grain quality inspection center of country of the Ministry of Agriculture, Shan single 16 (former code name Shan single 9505) corn kernel crude protein 11.61%, crude fat 4.76%, lysine 0.42%, thick starch 67.84%, the commercial quality of its nutritional quality and outward appearance all is better than contrast (conventional corn, red beautiful 13), yellow middle solids type partially, red axle.
Four, embodiment
Below in conjunction with the present invention being described in further detail by corn single cross hybrid of the present invention Shan single 16 and concrete regional test.
1. free corn inbred line Y
75The cultivation of germplasm materials
When bearing " high-quality protein maize gene pool evaluation test task " project that the Chinese Academy of Agricultural Sciences crop entrusted, Shaanxi Province in 1988 academy of agricultural sciences's corn research institute introduces P
00l
34QPMC
4(Ao Pake key-gene and modifier gene provenance), select for use disease-resistant at that time, the commercial quality better of outward appearance, (26 crossbreed of U.S. Pioneer Electronic Corp. are synthetic) colonies are combined in hereditary basis Shan widely No. 5, make anti-source donor, (No. 5 * P is combined in Shan to form wide basic material
00l
34QPMC
4), 1989 begin to adopt pedigree method, preferably involve continuous selfing in a criminal case, and Hainan adds generation, selects quality to eliminate through 7 generations, cultivates successfully in 1994, and begins to be used for assembly.
Y
75The inbred line standard: seedling leaf sheath redness, blade is grayish green, and the seedling gesture is stronger; Become strain plant height 155cm, fringe position 70cm, number of blade 19-20, leaf is endured on the fringe position, the plant type compactness, dark green leaf color, tassel is medium, and branch amount 4-5, the tassel joint is crisp, frangibility, pollen amount is big, and flower pesticide is yellowish green, and bract is long, and dual spike rate 30% is high resistant to lodging, fall to roll over, drought resisting, drought-enduring, anti-blue or green withered, anti-black powder, anti-silk dust-brand, anti-fringe Maize Ear Rot, leaf blight MR0.5, helminthosporium maydis A0.5, interior ripe property is good, and cauline leaf is dark green when ripe, and it is long to hold the green phase.Survey is joined test and is shown: the coordinate force height, and the reproduction coefficient height, technology is easy.
2. single 16 hybrid seed breeding methods in new varieties Shan
Free corn single cross hybrid is with Y
75Make maternal and inbred line K
12Make the single cross hybrid that male parent was bred in nineteen ninety-five, test code number Shan list 9505, called after Shan single 16;
Quadrature: Y
75* k
12Maternal seed soaking back is broadcast with male parent the same period
Reciprocal cross; k
12* Y
75Father, the maternal sowing same period get final product
More than hybridization is formulated in seed farm and all can adopts female male parent row than 3: 1 or 4: 1; Should stay seedling 4500-5000 strain by mu, totally, thoroughly be with a leaf to castrate in advance, can guarantee purity of hybrid.
3. single 16 crossbreed standards in Shan
Seedling leaf sheath aubergine, the leaf look dark green, and blade is narrower, seedling gesture stalwartness; Become strain plant type compactness, the number of blade 20, the leaf angle is little on the fringe, plant height 250-280cm, the high 95-100cm in fringe position, the thick 3.5cm of stem, dual spike rate 8%, tassel branch 5-7, flower pesticide yellow, filigree light red; The cartridge type fringe, spike length 23-25cm, the thick 5.2cm of fringe, head progeny row 18-20, row grain is several 42, thousand kernel weight 310-328g, seed-producing rate 87%.
Identify according to plant protection institute of Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology inoculation: high anti-blue or green withered, the fringe Maize Ear Rot in single 16 (former code name Shan single 9505), Shan, in anti-short floral leaf, silk dust-brand, helminthosporium maydis, ripe in the performance when ripe, it is long to hold the green phase, bract is tight and thick, and luxuriant leaflet phenomenon is arranged, and suitable grain is raised dual-purpose and is with excellent ensiling; Guanzhong is sowed in spring the 117 days time of infertility, and red beautiful 13 precocious 3-5 days, summer sowing 103-105 in the time of infertility days was analogous to Shan single No. 9.
4. single 16 corn variety seed selection processes in Shan
Nineteen ninety-five-1998 year inside and outside spring sowing of participation institute and summer sowing multiple years are produced the ratio test and are had outstanding performance, the production of hybrid seeds is quickened in winter in 1998 Hainan,-calendar year 2001 in 1999 is participated in Shaanxi Province's spring sowing corn regional test, and cultivates seminar by this institute and carry out experiment in cultivation and demonstration at three former, Weinan, Yang Ling; Calendar year 2001 is participated in the demonstration of Shaanxi spring sowing Maize Production, and carries out spring, summer product than test by good numerous portion of this institute, and group is already planted in the north, Shanxi, Hebei gold millet kind industry company introduction and Experiment; September calendar year 2001, Shaanxi Province's variety of crops validation board corn special interest group was watched evaluation to Shan single 16 (former code name Shan single 9505) experiment and demonstration (Weihe point is faced in Tongchuan point, Fuping point, Qishan Ma Jiangdian, Weinan).On January 11st, 2002 is by preliminary hearing; On February 25th, 2002 promoted by Shaanxi Province's crop varietal approval committee.Formally name and be Shan single 16.
5. single 16 regional tests over the years in Shan, production demonstration, multiple spot result of the test gather
Regional test; Shaanxi Province's spring corn regional test 6 average yield per mu 451.3kg in 1999, comparison is according to red beautiful 13 average volume increase 2.1%; 5 average yield per mu 579.1kg in 2000, red beautiful 13 underproduction 5.6% of contrast.Calendar year 2001 6 average yield per mu 601.1kg, comparison is according to red beautiful 13 average volume increase 12.8%.
Gather three annual bearings 17 times, average yield per mu 543.8kg on average increases production 3.1%.
Produce demonstration: Shaanxi Province's spring corn production demonstration test calendar year 2001s 3 point, average yield per mu 717.2kg, comparison is according to red beautiful No. 13 all volume increase, and amount of increase in production 3.59-60.7% on average increases production 43.4%.
The multiple years test: variety comparative test spring sowing 570kg-650kg in year institute of nineteen ninety-five-1998, than Yedan No.13 volume increase 8%-13.0%, summer sowing per mu yield 500kg-600kg is than the single No. 4 volume increase 5-10.0% in family; 1998 three former experimental tests per mu yield 563.7kg of seminar cultivate in this institute, than single No. 4 volume increase 6.6% in family.Occupy 15 and participate in the experiment kind second, Yang Ling experimental tests per mu yield 670.2kg than the single No. 4 contrast volume increase 11.7% in family, occupies 15 and participates in the experiment kind the 3rd; The single 9505 per mu yield 750kg in good numerous spring sowing introduction and Experiment Shan of this institute of calendar year 2001 occupy the whole nation and introduce a fine variety the 6th of 50 kind, increase production 11.1%, 19.0% respectively than Yedan No.13,19; The single 9505 per mu yield 551.3kg in good numerous summer sowing introduction and Experiment Shan of this institute of calendar year 2001 occupy the 8th that introduces 63 new varieties in the whole nation, respectively than Yedan No.13,19 volume increase 31.2%, 35.8%; In the gold millet kind industry high-grade maize product ratio of 2001 Hebei, the single 9505 per mu yield 635.1kg in Shan, middle list 9409 volume increase 55.5% occupy the 1st of 7 kind; Calendar year 2001 Shanxi north seed Co., Ltd corn product than in, the single 9505 per mu yield 641.5kg in Shan, contrast agricultural university's 108 volume increase 16.1%, occupy 5 and participate in the experiment and plant the 1st; The single 9505 participation Sichuan Province crops in calendar year 2001 Shan are undertaken national high-quality special corn kind and show.This kind occupies the 2nd of more than 300 kind.Disease-resistant, fruit ear is thick, even, obtain national theatre party and represent consistent favorable comment, list provinces and regions, Sichuan in 2002 examinations in.
6. suitable area and yield level:
Be suitable for Shaanxi Wei Bei and Shan Nan and sow in spring, Central Shanxi Plain rape, the summer sowing early of big wheat stubble or the program request of wheat ridge, yield potential is big, is the better kind that grain is raised dual-purpose, sows in spring more than the general per mu yield 550kg, and the high-yield field can reach 840kg.
The culture technique main points:
(1) Shaanxi Wei Bei sows in spring, and should stay seedling 2800 strain/mu-3300 strain/mus, and yield potential is big.
(2) program request of Guanzhong wheat ridge and rape, big wheat stubble plantation, date of seeding, must not be later than June 15, the preceding restraining the growth of seedlings of blooming, the strong big fringe of bar.
(3) use sufficient base fertilizer, heavy dressing jointing fertilizer, many organic fertilizers, N, P, K compounding application are effective.
(4) attention control corn borer, aphid.
The corn variety Shan that Shaanxi Province variety certification committee corn special interest group is bred the present invention single 16 (former code name Shan single 9505) tissue preliminary hearing, commenting greatly can authorization, thinks that this kind has following characteristics:
(1) quality better
Analyze according to grain quality supervision and inspection center of the Ministry of Agriculture: the single 9505 corn kernel crude protein 11.6% in Shan, crude fat 4.76%, lysine 0.42%, thick starch 67.84%, its lysine, protein all are higher than the red jade 13 of contrast, and nutritional quality and commercial quality are better than contrast.
(2) comprehensive resistance is good
Identify through plant protection institute of Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology inoculation, this kind to bacterial wilt, fringe kernel rot, curved spore tikka, silk dust-brand, helminthosporium maydis, smut, all in reaching anti-more than.Resistant to lodging, drought-enduring, barren-resistant.In ripe property good, to hold the green phase long, suitable grain is raised dual-purpose.
(3) yielding ability is good
Participate in the corn regional test 1999-2001 of Shaanxi Province 3 years 17 times, average yield per mu 543.8kg/ mu, comparison is according to red jade 13 average volume increase 3.1%, 3 average yield per mu 717.2kg of annual product test, comparison occupies first of demonstration kind according to red beautiful 13 average volume increase 43.4%.
Product are of fine quality, comprehensive resistance good, grain is raised dual-purpose for single 16 (former code name Shan single 9505), Shan, be suitable in our province spring sowing corn district, morning summer sowing district and similar ecotope popularizing planting.
7. suitable area, Shan single 16 (Shan single 9505), yield level and culture technique main points
Suitable area and yield level:
Be suitable for Shaanxi Wei Bei and Shan Nan and sow in spring, Central Shanxi Plain rape, big wheat stubble early sowing or the program request of wheat ridge, yield potential is big, is the better kind that grain is raised dual-purpose, generally sows in spring more than the 550kg, and the high-yield field per mu yield can reach 840kg.
The culture technique main points:
(1) Shaanxi Wei Bei sows in spring, and should stay seedling 2800 strain/mu-3300 strain/mus, and yield potential is big.
(2) program request of Guanzhong wheat ridge and rape, big wheat stubble plantation, date of seeding, must not be later than June 15, the preceding restraining the growth of seedlings of blooming, the strong big fringe of bar.
(3) use sufficient base fertilizer, heavy dressing jointing fertilizer, many organic fertilizers, N, P, K compounding application are effective.
(4) attention control corn borer, aphid.
Table 1～table 6 is corn regional test yield result.
Table 1 Shaanxi Province in 1999 corn regional test yield result
Preside over unit: Shaanxi Province seed control station kind of test: province sows in spring and distinguishes the examination tested variety: Shan single 9505
| District's pilot | District's test product kind per mu yield (kg) | Increase and decrease than ck | Precedence | |
| Ck per mu yield (kg) | ±％ | |||
| Luochuan County seeds company | 646.3 | 598.2 | 8.0 | 8 |
| Lueyang County seeds company | 494.4 | 486.7 | 1.6 | 4 |
| Dengcheng County seeds company | 514.7 | 451.3 | 14.0 | 4 |
| Luonan County seeds company | 422.2 | 395.0 | 6.9 | 7 |
| Pingli County seeds company | 303.0 | 345.0 | -12.2 | 3 |
| Yulin Prefecture's seed farm | 327.2 | 376.0 | -12.9 | 12 |
| On average | 451.3 | 442.0 | 2.1 | 7 |
Annotate: ck: red beautiful 13
Table 2 Shaanxi Province in 2000 corn regional test yield result
Preside over unit: Shaanxi Province seed control station kind of test: province sows in spring and distinguishes the examination tested variety: Shan single 9505
| District's pilot | District's test product kind per mu yield (kg) | Increase and decrease than ck | Precedence | |
| Ck per mu yield (kg) | ±％ | |||
| Luochuan County seeds company | 607.8 | 625.6 | -2.8 | 10 |
| Lueyang County seeds company | 543.9 | 475.0 | 14.5 | 1 |
| Baishui County seeds company | - | - | - | - |
| Corn institute of Tongchuan Konka | 406.1 | 431.7 | -5.9 | 10 |
| Luonan County seeds company | 582.2 | 661.1 | -11.9 | 14 |
| Pingli County seeds company | - | - | - | - |
| Yulin Prefecture's seed farm | 755.4 | 874.0 | -13.6 | 15 |
| On average | 579.1 | 613.5 | -5.6 | 12 |
Annotate: 1.ck: red beautiful 13;
2. plain boiled water, flat interest point are not received report.
Table 3 calendar year 2001 Shaanxi Province regional test yield result
Preside over unit: Shaanxi Province seed control station kind of test: province sows in spring and distinguishes the examination tested variety: Shan single 9505
| District's pilot | District's test product kind per mu yield (kg) | Increase and decrease than ck | Precedence | |
| Ck per mu yield (kg) | ±％ | |||
| Luochuan County seeds company | 845.0 | 691.7 | 22.2 | 2 |
| Lueyang County seeds company | 498.4 | 499.5 | -0.2 | 8 |
| Corn institute of Tongchuan City Konka | 626.1 | 567.8 | 10.3 | 6 |
| Introduction and Experiment station, Fuping | 433.6 | 361.3 | 20.0 | 4 |
| Luonan County seeds company | 550.0 | 561.1 | -2.0 | 11 |
| Shiquan County seeds company | 653.6 | 516.7 | 26.5 | 8 |
| Yulin Prefecture's seed farm | - | - | - | - |
| On average | 601.1 | 533.0 | 12.8 | 6 |
Annotate: 1.ck: red beautiful 13;
2. do not receive Yulin pilot data report.
Table 4 calendar year 2001 Shaanxi Province production test (demonstration) yield result
Preside over unit: Shaanxi Province seed control station kind of test: economize spring corn production test kind: Shan single 9505
| Test unit | Per mu yield (kg) | Increase and decrease than ck | Precedence | |
| Ck per mu yield (kg) | ±％ | |||
| Luochuan County seeds company | 938 | 583.7 | 60.7 | 1 |
| Introduction and Experiment station, Fuping | 496.4 | 416.6 | 20.9 | 2 |
| Shiquan County seeds company | - | - | - | - |
| Luonan County seeds company | 596.7 | 576 | 3.59 | 1 |
| On average | 717.2 | 500.2 | 43.4 | 1 |
Annotate: 1.ck: red beautiful 13
2. Shiquan's point is scrapped, and Luonan point suffers hail
Table 5 calendar year 2001 multiple spot demonstration yield result
Preside over unit: agricultural college of Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology kind: Shan single 9505
| Test unit | Per mu yield (kg) | Check variety | Precedence/(kind sum) | ||||||||
| Yedan No.13 | Tuck in single 19 | Middle single 9409 | Agricultural university 108 | ||||||||
| Per mu yield | ±％ | Per mu yield | ±％ | Per mu yield | ±％ | Per mu yield | ±％ | ||||
| Shaanxi Province corn research institute (Yang Ling) | Sow in spring | 750 | 675 | 11.1 | 630 | 19.0 | 6/(50) | ||||
| Summer sowing | 551.3 | 420.0 | 31.2 | 406.0 | 35.8 | 8/(63) | |||||
| Hebei gold millet kind industry (Hebei is perfectly sound) | 635.1 | 408.5 | 55.5 | 2/(7) | |||||||
| Industry (Taiyuan, Shanxi) is planted in the north, Shanxi | 641.5 | 552.5 | 16.1 | 1/(5) | |||||||
Table 6 summer sowing result of the test inside the province in 1998
Preside over unit: agricultural college of Xibei Univ. of Agricultural ﹠ Forest Science ﹠ Technology kind: Shan single 9505
| The test site | Tested variety per mu yield (kg) | Increase and decrease than ck | Precedence/(total kind number) | |
| Ck per mu yield (kg) | ±％ | |||
| Zhou village, three former Da Cheng east | 563.7 | 528.8 | 6.6 | 2/(15) |
| Yang Ling academy of agricultural sciences farming poplar | 670.2 | 599.8 | 11.7 | 3/(15) |
Annotate: 1.ck: single No. 4 of family;
2. test with cover in the strange land, three repetitions.
Claims (1)
1. method of utilizing corn inbred line germplasm materials seed selection crossbreed is characterized in that: obtain by the following method:
1) free corn inbred line germplasm materials Y
75
1. cultivar origin
No. 5 * Pool is combined in Shan
34QPMC
4, selfing continuously adds for breeding;
2. Y
75The inbred line standard
A. seedling leaf sheath redness, blade is grayish green, and the seedling gesture is stronger; Become strain plant height 155cm, fringe position 70cm, the number of blade 19, Ye Shangting on the fringe, plant type compactness, dark green leaf color, tassel is medium, 4-5 of branch amounts, the tassel joint is crisp, frangibility, pollen amount is big, and flower pesticide is yellowish green, and bract is long, dual spike rate 30%, high resistant to lodging, fall folding, drought resisting, drought-enduring, anti-blue or green withered, anti-black powder, anti-silk dust-brand, anti-fringe Maize Ear Rot, leaf blight MR0.5, helminthosporium maydis A0.5, interior ripe property is good, and cauline leaf is dark green when ripe, holds green phase speciality;
B. fruit ear cylindricality, spike length 16cm-18cm, the thick 3.4cm of fringe, head progeny row 18-20, thousand kernel weight 153g, cob purplish red, fecundity are good, not bald, head progeny row is more random, carpopodium is short and crisp, yellow in the middle of solids type partially, belong to hard endosperm high-quality protein maize inbred line;
C. late-maturing type in belonging to is sowed in spring the 125 days time of infertility summer sowing 110 days;
2) corn single cross hybrid
Free corn single cross hybrid is with Y
75Make maternal and inbred line K
12Make male parent;
1. breed standard
A. seedling leaf sheath aubergine, the leaf look dark green, and blade is narrower, seedling gesture stalwartness; Become strain plant type compactness, the number of blade 20, the leaf angle is little on the fringe, and it is long to hold the green phase, plant height 250cm～280cm, the high 95cm-100cm in fringe position, the thick 3.5cm of stem, dual spike rate 8%, 5-10 of tassel branches, flower pesticide yellow, filigree light red; The cylindricality fringe, spike length 23cm～25cm, the thick 5.2cm of fringe, head progeny row 18～20, row grain is several 42, thousand kernel weight 310g～328g, seed-producing rate 87%, yellow in the middle of solids type partially, bract is tight and thick, and luxuriant leaflet phenomenon is arranged;
B. belong to middle seasonal strain, sow in spring 115 days-117 days breeding time, red beautiful 13 precocities 3 days～5 days; 103 days～105 days breeding time of summer sowing, be analogous to Shan single No. 9;
2. breeding hybridized
A. preparing mode:
The quadrature production of hybrid seeds (Y
75* K
12): maternal seed soaking back is broadcast with male parent the same period;
The reciprocal cross production of hybrid seeds (K
12* Y
75): female, the male parent sowing same period gets final product;
B. female male parent row was than 3: 1 or 4: 1;
C. should stay seedling 4500 strains～5000 strains by mu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021144907A CN1166279C (en) | 2002-04-02 | 2002-04-02 | Method for breeding hybrid by using maize inbred line germplasm material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021144907A CN1166279C (en) | 2002-04-02 | 2002-04-02 | Method for breeding hybrid by using maize inbred line germplasm material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1372789A CN1372789A (en) | 2002-10-09 |
| CN1166279C true CN1166279C (en) | 2004-09-15 |
Family
ID=4743127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021144907A Expired - Fee Related CN1166279C (en) | 2002-04-02 | 2002-04-02 | Method for breeding hybrid by using maize inbred line germplasm material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1166279C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234642B (en) * | 2010-04-23 | 2013-11-20 | 河南农业大学 | Molecular marker of major dominant quantitative trait loci (QTL) for regulating and controlling maize leaf angle and method and application thereof |
| CN102742498A (en) * | 2012-06-18 | 2012-10-24 | 芦溪县一村食品有限责任公司 | Cultivation method of hybrid high-quality purple rice seed |
| CN103352039B (en) * | 2013-04-26 | 2015-07-01 | 吉林大学 | Corn disease-resistance related gene MR6, and application of the same in corn disease-resistance improvement |
| CN103352038B (en) * | 2013-04-26 | 2015-01-21 | 吉林大学 | Corn disease-resistance related gene MR4, and application of the same in corn disease-resistance improvement |
| CN113475331B (en) * | 2021-08-05 | 2022-05-13 | 张掖市易农农业科技有限公司 | Planting method for corn DH line combining ability identification |
| CN115623982A (en) * | 2022-09-09 | 2023-01-20 | 邯郸市农业科学院 | Breeding method of drought-tolerant and disease-resistant corn |
-
2002
- 2002-04-02 CN CNB021144907A patent/CN1166279C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1372789A (en) | 2002-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105104166B (en) | Method for breeding imidazolinone herbicide-resistant japonica rice | |
| CN103314842B (en) | Cultivation method for half-erect panicle high-yield rice variety | |
| CN102812803A (en) | Method for constructing pea EMS mutant library | |
| CN114467742A (en) | Breeding method of black-grain highland barley | |
| CN1166279C (en) | Method for breeding hybrid by using maize inbred line germplasm material | |
| CN101081003A (en) | Corn hybrid breeding method | |
| CN106171965A (en) | A kind of super many tassel row numbers Maize DH Lines leads to the selection of 15D969 | |
| CN102106254A (en) | Hybrid seed production method for nitrogen efficient maize | |
| CN1315373C (en) | Breeding method of colored Chinese cabbage | |
| CN1531843A (en) | Novel cabbage type rape cytoplasmic male sterile line material of Chinese cabbage vegetable transformation and its obtaining method | |
| CN116406614A (en) | Corn germplasm population construction and line selection method for rapid enrichment of multiple excellent genes | |
| CN1692711A (en) | Method for cross breeding of corn | |
| CN112753569A (en) | Method for cultivating new hybrid corn variety resistant to high temperature and heat damage | |
| CN1271916C (en) | Method for breeding drought lolerant peanut | |
| CN101564005A (en) | Hybrid maize seed production method | |
| CN111869562A (en) | High-quality small-grain aromatic japonica rice Wuxiangjing 113 and breeding method | |
| CN1860855A (en) | Method for breeding corn-rice line-three with super-strong hybridization-dominating due to distant-hybridization by rice and corn | |
| CN1879469A (en) | Breeding method of high-iron-zinc wheat | |
| CN1319325A (en) | Ear riched hybridized Chinese sorghum parent and method of new seed selecting, breeding, and hybrid seeds production | |
| CN1015685B (en) | Guizhou wheat three series breeding technology | |
| CN1233222C (en) | Roguing and seed stock breeding method for transgenic insect-resisting cotton in seedling bed | |
| CN1013918B (en) | Breeding of chinese cabbage through genes of cell nucleus interacting and malesterile line technique | |
| CN117136834A (en) | Breeding method of common white grain high starch maize hybrid | |
| CN101889540A (en) | Seed production method for high-oil corn seeds | |
| CN114902953A (en) | Breeding method of high-yield crisp rice |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |