The development of yellow lupin anthers depends on the relationship between jasmonic acid and indole-3-acetic acid.

The main purpose of this study was to demonstrate that the course of anther development, including post-meiotic maturation, dehiscence and senescence, is ensured by the interdependencies between jasmonic acid (JA) and indole-3-acetic acid (IAA) in yellow lupin (Lupinus luteus L.). The concentration of JA peaked during anther dehiscence when IAA level was low, whereas the inverse relationship was specific to anther senescence.

Anther dehiscence is regulated by gibberellic acid in yellow lupine (Lupinus luteus L.).

Background: Anther dehiscence resulting in the release of pollen grains is tightly regulated in a spatiotemporal manner by various factors. In yellow lupine (Lupinus luteus L.), a species that shows cleistogamy, the anthers split before the flowers open, but the course and regulation of this process are unknown.

Gibberellin Signaling Repressor Controls the Flower and Pod Development of Yellow Lupine ( L.).

Precise control of generative organ development is of great importance for the productivity of crop plants, including legumes. Gibberellins (GAs) play a key role in the regulation of flowering, and fruit setting and development. The major repressors of GA signaling are DELLA proteins.

Comprehensive Insight into Gibberellin- and Jasmonate-Mediated Stamen Development.

In flowering plants, proper development of male generative organs is required for successful sexual reproduction. Stamen primordia arise in the third whorl of floral organs and subsequently differentiate into filaments and anthers. The early phase of stamen development, in which meiosis occurs, is followed by a late developmental phase, which consists of filament elongation coordinated with pollen maturation, anther dehiscence and finally viable pollen grain release.

Gibberellic acid affects the functioning of the flower abscission zone in Lupinus luteus via cooperation with the ethylene precursor independently of abscisic acid.

The abscission of plant organs is a phytohormone-controlled process. Our study provides new insight into the involvement of gibberellic acid (GA) in the functioning of the flower abscission zone (AZ) in yellow lupine (Lupinus luteus L.).