A GENETIC-MAP OF CITRUS BASED ON THE SEGREGATION OF ISOZYMES AND RFLPS IN AN INTERGENERIC CROSS

被引：82

作者：

JARRELL, DC

ROOSE, ML

TRAUGH, SN

KUPPER, RS

机构：

[1] Department of Botany and Plant Sciences, University of California, Riverside, Riverside, 92521, CA

来源：

THEORETICAL AND APPLIED GENETICS | 1992年 / 84卷 / 1-2期

关键词：

LINKAGE MAPPING; CITRUS; PONCIRUS; MOLECULAR MARKERS;

D O I：

10.1007/BF00223980

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Isozymes and restriction fragment length polymorphisms were used as markers in the construction of a genetic map of the citrus nuclear genome. The map was based on the segregation of 8 isozyme, 1 protein, and 37 RFLP loci in 60 progeny of a cross of two intergeneric hybrids, 'Sacaton' citrumelo (Citrus paradisi Macf. x Poncirus trifoliata (L.) Raf.) and 'Troyer' citrange (C. sinensis (L.) Osbeck x P. trifoliata), often used as root-stocks. The map contains 38 of 46 studied loci distributed on ten linkage groups. A genome size of 1,700 cM was estimated from partial linkage data. Approximately 35% of the genome should be within 10 cM and 58% within 20 cM of the mapped markers. Eight loci in three linkage groups and 1 unlinked locus deviated significantly from Mendelian segregation.

引用

页码：49 / 56

页数：8

共 56 条

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