Inheritance and mapping of a light green mutant in cultivated diploid potatoes

被引：7
作者：
De Jong, H
Kawchuk, LM
Burns, VJ
机构：
[1] Agr & Agri Food Canada, Potato Res Ctr, Fredericton, NB E3B 4Z7, Canada
[2] Agr & Agri Food Canada, Res Ctr, Lethbridge, AB T1J 4B1, Canada
来源：
EUPHYTICA | 1998年 / 103卷 / 01期
关键词：
chlorophyll; lethal; marker gene; photosynthesis; Solanum tuberosum;
D O I：
10.1023/A:1018373726995
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
A light green mutant was found in a population of adapted cultivated diploid potatoes. Genetic analysis indicates that this trait is controlled by a single nuclear gene. The gene symbol lg is proposed. The segregation ratios fit a pattern which strongly suggest that there is a close linkage between the Lg allele and a locus which confers lethality in its homozygous recessive state. Some crossing over between the Ig locus and the lethal was found to occur but LgLg genotypes were not observed in progenies from sib-matings. The Ig locus mapped to the potato linkage group VI between the restriction fragment length polymorphism (RFLP) loci CP18 and GP24.
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收藏
页码：83 / 88
页数：6
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