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Rht8、Rht10和Rht12矮秆基因对产量构成因子的影响

DOI: 10.7668/hbnxb.2009.S2.015, PP. 72-75

Keywords: 冬小麦,矮秆基因,近等基因系,产量构成因子

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Abstract:

利用携带不同矮秆基因的近等基因系,通过两年、两地的试验研究证明,Rht8半矮秆基因虽然其总小穗数显著低于其他系,但其籽粒产量、小花结实率较Rht10和Rht12显著高。Rht10的降秆作用最强,千粒重显著高于Rht8,但其分蘖成穗率、结实率及小区籽粒产量显著低于其他,表现对环境条件特敏感。Rht12矮秆基因的降秆程度显著高于Rht8,但由于生物产量太低、成熟太晚,造成籽粒产量显著降低,在小麦育种中单独利用价值较低。

References

[1]  傅大雄, 阮仁武, 戴秀梅, 等.小麦显性矮秆基因Rht10"微突变"的发现[J].作物学报, 2001, 27(4):500-505.
[2]  刘秉华, 杨丽, 丁表珍.小麦显性矮杆基因RhtlO与着丝点问遗传距离的测定[J].科学通报, 1993, 38(12):1128-1130.
[3]  Korzum V, Roder M S, Worland A J, et al.Intrachromosomal mapping of genes for dwarfing(Rht12) and verbalization response(Vrn1) in wheat by using RFLP and microsatellite markers[J].Plant Breeding, 1997 (116):227-232.
[4]  Worland A J, Sayers E J, Borner A.The genetics and breeding potential of Rht12 a dominant dwarfing gene in wheat[J].Plant Breeding, 1994, 113 (3):187-196.
[5]  Law C N, Worland A J.An effect of temperature on the fertility of wheat containing the dwarfing the dwarfing genes Rht1, Rht2 and Rht3[J].Annum Rep Plant Breeding Institute, 1984, (24):69-71.
[6]  Worland A J, Korzun V, Roder M S, et al.Genetic analysis of the dwarfing gene Rht8 in wheat.Part Ⅱ.The distribution and adaptive significance of allelie variants at the Rht8 locus of wheat as revealed by mierosatellite screening[J].TAG, 1998(96):1110-1120.
[7]  Worland A J, Sayers E J, Korzun V.Allelic variation at the dwarfing gene Rht8 locus and its significance in international breeding programs[J].Euphytica, 2001 (119):155-159.
[8]  Sutca J.Chromosomal location of dwarfing gene Rht12 in wheat[J].Euphytica, 1987, 36(2):521-523.
[9]  李杏普, 庞春明, 武金铭, 等.不同矮秆基因在小麦育种中的利弊分析[J].华北农学报, 1999, 14(3):10-14.
[10]  Li Xing pu.Effects of different Rht-B1b, Rht-D1b, and Rht-B1c dwarfing genes on agronomic characteristics in wheat[J].Cereal Research Comunication, 2006 (34):2-3.
[11]  Suape J W, Parker B B.The effect of the Norinio dwarfing gene Rht2 on yield-biomass relationship in wheat[M]//Semidwarf Cereal Mutants and their Use in Crossing Breeding.Ⅱ IAFA-TEIX) C 307.Proe.Res.Coordination Mty.Jiont FAO/IAFA Division Davis, CAlifornia, IAEA, Vienna, Austria, 1984:71-77.
[12]  Villareal R L, Rajaram S, Toro E.Yield and agronomic traits of Norin 10-derived spring wheat to Northwestern Mexico[J].Agronomy and Crop Science, 1992(168):289-297.

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