Comprehensive Analysis of Boron-Induced Changes in Cell Expansion and Phytohormone During Early Ovary Development in Pear (<i>Pyrus sinkiangensis</i> Yu).

ABSTRACT: Boron exerts regulatory control over various aspects of plant growth and morphogenesis, and the application of boron prior to anthesis has been recognized as a critical agronomic practice. However, the regulatory mechanisms by which boron influences fruit set and early ovary development in pear remain to be elucidated. In this study, boron application was used at three stages, including pre-flowering, full-flowering, and early fruiting in the 'Kuerle Xiangli' (Pyrus sinkiangensis Yu), with a focus on cell expansion and endogenous phytohormone. As a result, treatment with 0.3% boric acid significantly increased endogenous boron concentrations in both leaves and ovaries and enhanced ovary fresh weight as well as both longitudinal and transverse diameters. Histological analysis reveale

SUBMITTER: Chen J 

PROVIDER: S-EPMC12694321 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature