Construction of saturated linkage maps of peach crosses segregating for characters controlling fruit quality, tree architecture and pest resistance

被引：39

作者：

Abbott, AG ^{[1
]}

Rajapakse, S ^{[1
]}

Sosinski, B ^{[1
]}

Lu, ZX ^{[1
]}

Sossey-Alaoui, K ^{[1
]}

Gannavarapu, M ^{[1
]}

Reighard, G ^{[1
]}

Ballard, RE ^{[1
]}

Baird, WV ^{[1
]}

Scorza, R ^{[1
]}

Callahan, A ^{[1
]}

机构：

[1] Clemson Univ, Coll Agr Forestry & Life Sci, Clemson, SC 29634 USA

来源：

FOURTH INTERNATIONAL PEACH SYMPOSIUM, VOLS 1-2 | 1998年 / 465期

关键词：

D O I：

10.17660/ActaHortic.1998.465.2

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Peach [Prunus persica (L.) Batsch] has a number of advantages as a model system for isolation and identification of genes important to development, utilization, and sustainability of deciduous tree resources. Peach has a comparatively small genome size, only about twice the value for Arabidopsis thaliana. Peach is a diploid species with 2n = 16; in comparison to other tree species, peach has a relatively short generation time, 2-4 years; and peach is genetically the best characterized species in the genus Prunus. However, to fully exploit this species for basic and applied concerns, it is necessary to develop extensive genetic resources including: highly detailed marker linkage maps, gene library resources and appropriate genetic plant lines. The overall goal of our work is to construct high-density linkage maps for peach crosses segregating for characters important to fruit and tree development. These maps are being employed for the purpose of maintaining and improving fruit quality in breeding programs designed to introgress other favorable traits such as disease resistance and cold hardiness through marker assisted selection. We have developed saturated linkage maps in three crosses segregating for agriculturally important characters which control fruit quality, tree architecture, and rootstock characters. In addition, we have developed clone library resources for utilization in marker assisted cloning experiments. We present here the summary of our findings and discuss our future directions.

引用

页码：41 / 49

页数：9