Fig. 7: Model of Gladiolus corm development regulated by abscisic acid and gibberellin. | Horticulture Research

Fig. 7: Model of Gladiolus corm development regulated by abscisic acid and gibberellin.

From: Antagonism between abscisic acid and gibberellin regulates starch synthesis and corm development in Gladiolus hybridus

Fig. 7: Model of Gladiolus corm development regulated by abscisic acid and gibberellin.The alternative text for this image may have been generated using AI.

ABA positively regulates corm development by enhancing GhSUS2 expression and starch synthesis. Repressing GhSUS2 decreases starch content and leads to the formation of small corms. GA has the opposite effect on GhSUS2 expression and starch synthesis and causes a decrease in the number and size of cormels. Silencing GhNCED or GhGA20ox in corms had opposite effects on GhSUS2 expression, starch accumulation and corm development

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