Somaclonal variation in tuber traits of potato

被引：0

作者：

Thieme R. ^{[1
]}

Griess H. ^{[2
]}

机构：

[1] Federal Centre for Breeding Research on Cultivated Plants, Institute of Agricultural Crops, D-18190 Groß Lüsewitz

[2] 18190 Groß Lüsewitz

来源：

Potato Research | 2005年 / 48卷 / 3-4期

关键词：

Callus culture; Eye depth; Solanum tuberosum L; Starch content; Starch yield; Tuber shape; Tuber size; Tuber yield;

D O I：

10.1007/BF02742373

中图分类号：

学科分类号：

摘要：

About 13,000 somaclones of 17 cultivars and clones of potato were obtained from in vitro callus cultures and individually planted in a greenhouse, followed by tuber generations grown in the field. These plants were subjected to the multistage selection procedure commonly used in potato breeding. Over a period of five years and three field generations the tuber number, size, shape, eye depth, starch content, starch yield and tuber appearance of these somaclones were assessed and compared with that of the controls. These characters varied depending on donor genotype and trait. The frequency of variants was assessed and there were acceptable proportions of desirable abberrants and invariants among the somaclones. Depending on trait the average gain rate for all donor genotypes ranged between 0.2 and 2.3% for -deviants, between 12.2 and 15.5% for invariants and between 0.1-1.4% for +deviants. It is concluded that this technique should be used into potato breeding programmes to improve commercially important characteristics of specific cultivars and breeding clones.

引用

页码：153 / 165

页数：12

共 35 条

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