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2000•Journal of Zhangkai Aguotechaical CollegeRequires access

Fresh-keeping effects of calcium nitrate on cut rose flowers

Sheng He

Open publisher page 1 citations

Abstract

In whole cut flowers of rose ( Rosa chinensis Jacq. cv. Bellamie), 0.1 g/L Ca(NO 3) 2 treatment markedly delayed shrivel of petals and wither of flowers. The treated flowers stayed turgid and the vase-holding life was two days longer compared with untreated flowers. Further studies showed that Ca(NO 3) 2 treatment could increase the fresh weight of cut flowers. Relative permeability of petal plasma membrane, which is a reliable indicator of petal membrane senescence, was retarded in Ca(NO 3) 2 treated flowers. Ca(NO 3) 2 treatment also increased the content of soluble protein and stabilized the level of reducing sugar in petals.

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What this paper is about

In whole cut flowers of rose ( Rosa chinensis Jacq. cv. Bellamie), 0.1 g/L Ca(NO 3) 2 treatment markedly delayed shrivel of petals and wither of flowers. The treated flowers stayed turgid and the vase-holding life was two days longer compared with untreated flowers. Further studies showed that Ca(NO 3) 2 treatment could increase the fresh weight of cut flowers. Relative permeability of petal plasma membrane, which is a reliable indicator of petal membrane senescence, was retarded in Ca(NO 3) 2 treated flowers. Ca(NO 3) 2 treatment also increased the content of soluble protein and stabilized the level of reducing sugar in petals.

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Available abstract

In whole cut flowers of rose ( Rosa chinensis Jacq. cv. Bellamie), 0.1 g/L Ca(NO 3) 2 treatment markedly delayed shrivel of petals and wither of flowers. The treated flowers stayed turgid and the vase-holding life was two days longer compared with untreated flowers. Further studies showed that Ca(NO 3) 2 treatment could increase the fresh weight of cut flowers. Relative permeability of petal plasma membrane, which is a reliable indicator of petal membrane senescence, was retarded in Ca(NO 3) 2 treated flowers. Ca(NO 3) 2 treatment also increased the content of soluble protein and stabilized the level of reducing sugar in petals.

Key concepts: Petal, Cut flowers, Sugar, Vase life, Membrane permeability, Calcium nitrate, Horticulture, Calcium

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