Interspecific Hybridization and Identification of Hybrid in Capsicum

ACTA HORTICULTURAE SINICA ›› 2007, Vol. 34 ›› Issue (4): 883-888.

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Interspecific Hybridization and Identification of Hybrid in Capsicum

CHENG Zhi-fang¹;QIAN Chun-tao¹;CHEN Xue-jun^1,2; CHEN Jin-feng^1*

(¹ State Key Laboratory of Crop Genetics and Germ plasm Enhancement, College of Horticulture, Nanjing Agricultural University,Nanjing 210095, China; ² Institute of Vegetable and Flower, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China)

Received:1900-01-01 Revised:1900-01-01 Online:2007-08-25 Published:2007-08-25
Contact: CHEN J in-feng

Abstract

Abstract: Three hybrid p lants from the combination of Capsicum baccatum ×C. chinense (H_bc ) and seven hybrid plants of C. annuum ×C. chinense (H_ac ) were obtained through recip rocal interspecific hybridiza
tions among the five cultivated species C. annuum, C. chinense, C. frutescens, C. baccatum, and C. pu
bescens. Excep t for the H_ac-7 which exhibited virus-like symp toms, all the other hybrid p lants grew normally.
The pollen stainability percentages of H_ac and H_bc were 13.9% and 23.8%, respectively, and were significant
ly lower than those of their corresponding parents. The pollen stainability percentage, morphological characters
and band patterns of isozyme in the hybrid p lantswere identicalwithin each combination. The nature of hybrid
was confirmed by morphological characteristics and isozyme (peroxidase) analysis.

Key words: Capsicum, Interspecific hybrid, Peroxidase isozyme

CHENG Zhi-fang;QIAN Chun-tao;CHEN Xue-jun;CHEN Jin-feng. Interspecific Hybridization and Identification of Hybrid in Capsicum[J]. ACTA HORTICULTURAE SINICA, 2007, 34(4): 883-888.

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Interspecific Hybridization and Identification of Hybrid in Capsicum

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