RAPD markers linked to the Vf gene for scab resistance in apple

被引：85

作者：

Tartarini, S

机构：

[1] Dipartimento di Colture Arboree, University of Bologna

来源：

THEORETICAL AND APPLIED GENETICS | 1996年 / 92卷 / 07期

关键词：

apple; scab resistance; Vf gene; RAPD; linkage;

D O I：

10.1007/BF00221891

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Scab (Venturia inaequalis) is one of the most harmful diseases of apple, significantly affecting world apple production. The identification and early selection of resistant genotypes by molecular markers would greatly improve breeding strategies. Bulked segregant analysis was chosen for the identification of RAPD markers linked to the Vf scab resistant gene. Five different RAPD markers, derived from the wild species Malus floribunda. 821, were identified, and their genetic distance from Vf ene was estimated. The markers OPAM19(2200) and OPAL07(580) were found to be very closely linked to the Vf gene. This result was indirectly confirmed by the analysis of resistant genotypes collected from various breeding programmes. Except for cv 'Murray', which carries the Vm gene, all these resistant genotypes showed the markers OPAM19(2200) and OPAL07(580).

引用

页码：803 / 810

页数：8

共 35 条

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