Molecular Mapping of Flowering Time Major Genes and QTLs in Chickpea (Cicer arietinum L.)

被引:44
作者
Mallikarjuna, Bingi P. [1 ,2 ]
Samineni, Srinivasan [1 ]
Thudi, Mahendar [1 ]
Sajja, Sobhan B. [1 ]
Khan, Aamir W. [1 ]
Patil, Ayyanagowda [2 ]
Viswanatha, Kannalli P. [2 ]
Varshney, Rajeev K. [1 ]
Gaur, Pooran M. [1 ,3 ]
机构
[1] Int Crops Res Inst Semi Arid Trop, Patancheru, Andhra Pradesh, India
[2] Univ Agr Sci, Dept Genet & Plant Breeding, Raichur, India
[3] Univ Western Australia, UWA Inst Agr, Perth, WA, Australia
关键词
earliness; flowering time; chickpea; consensus map; QTLs; LINKAGE MAP; ASCOCHYTA BLIGHT; MICROSATELLITE MARKERS; MORPHOLOGICAL TRAITS; PLANT HEIGHT; SEED SIZE; RESISTANCE; GENOME; SEQUENCE; ENVIRONMENT;
D O I
10.3389/fpls.2017.01140
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Flowering time is an important trait for adaptation and productivity of chickpea in the arid and the semi-arid environments. This study was conducted for molecular mapping of genes/quantitative trait loci (QTLs) controlling flowering time in chickpea using F-2 populations derived from four crosses (ICCV 96029 x CDC Frontier, ICC 5810 x CDC Frontier, BGD 132 x CDC Frontier and ICC 16641 x CDC Frontier). Genetic studies revealed monogenic control of flowering time in the crosses ICCV 96029 x CDC Frontier, BGD 132 x CDC Frontier and ICC 16641 x CDC Frontier, while digenic control with complementary gene action in ICC 5810 x CDC Frontier. The intraspecific genetic maps developed from these crosses consisted 75, 75, 68 and 67 markers spanning 248.8 cM, 331.4 cM, 311.1 cM and 385.1 cM, respectively. A consensus map spanning 363.8 cM with 109 loci was constructed by integrating four genetic maps. Major QTLs corresponding to flowering time genes efl-1 from ICCV 96029, efl-3 from BGD 132 and efl-4 from ICC 16641 were mapped on CaLG04, CaLG08 and CaLG06, respectively. The QTLs and linked markers identified in this study can be used in marker-assisted breeding for developing early maturing chickpea.
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页数:10
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