Genome-wide association and epistasis studies reveal the genetic basis of saline-alkali tolerance at the germination stage in rice.

ABSTRACT:

Introduction

Saline-alkali stress is one of the main abiotic factors limiting rice production worldwide. With the widespread use of rice direct seeding technology, it has become increasingly important to improve rice saline-alkali tolerance at the germination stage.

Methods

To understand the genetic basis of saline-alkali tolerance and facilitate breeding efforts for developing saline-alkali tolerant rice varieties, the genetic basis of rice saline-alkali tolerance was dissected by phenotyping seven germination-related traits of 736 diverse rice accessions under the saline-alkali stress and control conditions using genome-wide association and epistasis analysis (GWAES).

Results

Totally, 165 main-effect quantitative trait nucleotides (QTNs) and 124 additional epistatic

SUBMITTER: Zhang G 

PROVIDER: S-EPMC10213895 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature