Ethylene and the Annona Flower | Zendy

A. Blumenfeld | Zendy

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Ethylene and the Annona Flower

Author(s) -

A. Blumenfeld

Publication year - 1975

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.55.2.265

Subject(s) - ethylene , petal , biology , stamen , annona , stage (stratigraphy) , botany , horticulture , pollen , annonaceae , paleontology , biochemistry , catalysis

The annona (Annona hybrida) flower is protogynous, and reaches its male stage about 26 hours after the beginning of the female stage. A rise in ethylene production was found to precede the male stage. Much more ethylene was produced by the reproductive organs than by the petals, with the anthers producing most of the ethylene. Ethylene treatments advanced the male stage, but not the female stage. Exposing flowers to hypobaric pressure postponed the onset of their male stage. Application of various growth substances causing ethylene production by the flower advanced the male stage.

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