Characteristic and Genetic Linkage Analysis of Cf19 Gene in Tomato

doi:10.16420/j.issn.0513-353x.2014-1063

ACTA HORTICULTURAE SINICA ›› 2015, Vol. 42 ›› Issue (5): 872-878.doi: 10.16420/j.issn.0513-353x.2014-1063

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Characteristic and Genetic Linkage Analysis of Cf19 Gene in Tomato

ZHAO Ting-Ting, ZHANG Fan, LI Shuai, LIU Guan, LI Jing-Fu, JIANG Jing-Bin, ZHANG

Tomato Research Institution，College of Horticulture，Northeast Agricultural University，Harbin 150030，China

Online:2015-05-25 Published:2015-05-25

Abstract

Abstract: In this study，comprehensive research including resistance characteristic and genetic linkage analysis of Cf19 gene were carried out. Artificial inoculation results showed that tomato plants carrying Cf19 gene resistant to all physiological races in China. A remarkable hypersensitive response（HR）phenomenon was observed in trypan blue staining experiment，and the response intensity that Cf19 mediated is between Cf4 and Cf9. Inheritance analysis indicated that the genetic action of Cf19 fits the genetic pattern of a single dominant gene. Six markers linked to Cf19 gene were obtained in SSR and AFLP analysis，and of which the marker SSR336 located Cf19 gene on the short arm of chromosome 1.

Key words: tomato, tomato leaf mold, resistance gene Cf19, inheritance, gene mapping

CLC Number:

S 641.2

ZHAO Ting-Ting, ZHANG Fan, LI Shuai, LIU Guan, LI Jing-Fu, JIANG Jing-Bin, ZHANG He, XU Xiang-Yang. Characteristic and Genetic Linkage Analysis of Cf19 Gene in Tomato[J]. ACTA HORTICULTURAE SINICA, 2015, 42(5): 872-878.

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Characteristic and Genetic Linkage Analysis of Cf19 Gene in Tomato

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