Development of a set of monosomic alien addition lines from Gossypium raimondii in Gossypium hirsutum toward breeding applications in cotton.

ABSTRACT:

Background

Gossypium raimondii Ulbr is a diploid wild cotton (2n = 26, D₅D₅) that originated in west-central Peru of South America and possesses desirable characteristics that are absent in the Upland cotton G. hirsutum. Many beneficial genes were lost from G. hirsutum in the process of domestication, leading to a narrowed genetic base and greater vulnerability to biotic and abiotic stresses. This genetic base can be expanded through distant hybridization using the superior genes of G. raimondii.

Results

In this study, putative hexaploid F₁ plants of G. hirsutum - G. raimondii were generated by interspecific hybridization. Analysis of its mitotic metaphase plates revealed the presence of 78 chromosomes, with each of the six chromosome-specifi

SUBMITTER: Xu Z 

PROVIDER: S-EPMC11796079 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature