Interspecific Hybridization and Identification of Hybrid Between C.annuum and C.chinense

doi:10.7668/hbnxb.2015.01.026

Abstract

Abstract: Interspecific hybridization is the important way of excellent germplasm innovation and utilization of exogenous gene.With manual pollination, an interspecific hybrid was obtained from the cross between thick purple pepper C.annuum PBC1366 as female parent (P₁) and strong spicy pepper C.chinense PI439487 as male parent.19 phenotypic traits were observed and compared among P₁, F₁ and P₂.The results showed that the F₁ had heterosis significantly and majority of the other phenotypic traits were intermediate to that of either parent.The pollen stainability percentages of interspecific F₁was 64.4%, the nature of hybrid was confirmed by morphological observation and EST-SSR marker analysis.The obtainment of the interspecific hybrid of C.annuum and C.chinense afford a basis for genetic map construction, cocalization the fruit flavor gene, and anthocyanins metabolic pathway gene in pepper.

Key words: Pepper, Interspecific hybridization, Phenotypic traits, SSR

CLC Number:

S641.03

SUN Run-sheng, WANG Shu-bin, DIAO Wei-ping, LIU Jin-bing, PAN Bao-gui, GE Wei, GUO Guang-jun. Interspecific Hybridization and Identification of Hybrid Between C.annuum and C.chinense[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2015, 30(1): 158-161. doi: 10.7668/hbnxb.2015.01.026.

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