Mapping of disease-related genes in Japanese pear using a molecular linkage map with RAPD markers

被引：53

作者：

Iketani, H ^{[1
]}

Abe, K ^{[1
]}

Yamamoto, T ^{[1
]}

Kotobuki, K ^{[1
]}

Sato, Y ^{[1
]}

Saito, T ^{[1
]}

Terai, O ^{[1
]}

Matsuta, N ^{[1
]}

Hayashi, T ^{[1
]}

机构：

[1] Natl Inst Fruit Tree Sci, Tsukuba, Ibaraki 3058605, Japan

来源：

BREEDING SCIENCE | 2001年 / 51卷 / 03期

关键词：

linkage map; Japanese pear; RAPD; pear scab; black spot; disease-related gene;

D O I：

10.1270/jsbbs.51.179

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Molecular linkage maps of disease-related genes in the Japanese pear cultivars 'Kinchaku' and 'Kosui' with RAPD markers were constructed. Using the pseudo-testcross method, two separate maps were constructed from the segregation data of 82 F-1 individuals. The linkage map for 'Kinchaku' consisted of 120 loci in 18 linkage groups spanning 768 cM, while that for 'Kosui' contained 78 loci in 22 linkage groups extending over 508 cM. The resistance allele of pear scab and the susceptibility allele of black spot were mapped in different linkage groups in 'Kinchaku'. Compared with the reports on apple genome mapping, we estimated that these maps covered at least about a half of the total pear genome.

引用

页码：179 / 184

页数：6

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