The determination of peanut (Arachis hypogaea L.) pod-sizes during the rapid-growth stage by phytohormones.

ABSTRACT:

Background

Pod size is an important yield target trait for peanut breeding. However, the molecular mechanism underlying the determination of peanut pod size still remains unclear.

Results

In this study, two peanut varieties with contrasting pod sizes were used for comparison of differences on the transcriptomic and endogenous hormonal levels. Developing peanut pods were sampled at 10, 15, 20, 25 and 30 days after pegging (DAP). Our results showed that the process of peanut pod-expansion could be divided into three stages: the gradual-growth stage, the rapid-growth stage and the slow-growth stage. Cytological analysis confirmed that the faster increase of cell-number during the rapid-growth stage was the main reason for the formation of larger pod size in Lps. Transcriptomic

SUBMITTER: Lv Z 

PROVIDER: S-EPMC10369843 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature