Inhibitory Effect of Carbohydrate on Flowering in Lemna perpusilla. I. Interaction of Sucrose With Calcium and Phosphate Ions | Zendy

Herbert B. Posner | Zendy

Open Access

Inhibitory Effect of Carbohydrate on Flowering in Lemna perpusilla. I. Interaction of Sucrose With Calcium and Phosphate Ions

Author(s) -

Herbert B. Posner

Publication year - 1969

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.44.4.562

Subject(s) - sucrose , fructose , chemistry , mannitol , phosphate , carbohydrate , calcium , botany , sugar , food science , biochemistry , biology , organic chemistry

Flowering in Lemna perpusilla 6746 grown on tenth-strength Hutner's medium under short days was inhibited by 30 mM sucrose, glucose or fructose, but not by mannitol. The inhibition by sucrose does not appear to be due to sucrose-induced acidification of the medium during growth, or to trace metal contaminants of the sugar. Inhibition was partially prevented by raising either Ca(2+) or phosphate to levels used in half-strength medium. Possible mechanisms for these effects are discussed.

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