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EFFECT OF 6-BA ON SENESCENCE IN CUT FLOWERS OF CHINESE ROSE (ROSA CHINENSIS JACQ) UNDER DRY STORAGE

Xiong Yun-hai

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Abstract

Cut flowers of Chinese rose (Rosa chinensis Jacq.) cvs.Samamtha and Golden Medaillon were kept under dry storage. 6-BA pretreatment increased water potential in the flower tissue and the activity of SOD, a protective enzyme for the membrane system and decreased water deficiency and the content of MDA, a product of membrane lipid peroxidation, thus reducing membrane permeation, delaying senescence of the cut flowers and prolonging their vase life. A varietal difference was shown the physiological responses to the treatment. The results indicated that membrane stability disturbance caused by water loss is mainly responsible for senescence of the cut flowers. Pretreatment with 6-BA is recommended as an effective measure for their freshness-preservation.

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What this paper is about

Cut flowers of Chinese rose (Rosa chinensis Jacq.) cvs.Samamtha and Golden Medaillon were kept under dry storage. 6-BA pretreatment increased water potential in the flower tissue and the activity of SOD, a protective enzyme for the membrane system and decreased water deficiency and the content of MDA, a product of membrane lipid peroxidation, thus reducing membrane permeation, delaying senescence of the cut flowers and prolonging their vase life. A varietal difference was shown the physiological responses to the treatment. The results indicated that membrane stability disturbance caused by water loss is mainly responsible for senescence of the cut flowers. Pretreatment with 6-BA is recommended as an effective measure for their freshness-preservation.

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Available abstract

Cut flowers of Chinese rose (Rosa chinensis Jacq.) cvs.Samamtha and Golden Medaillon were kept under dry storage. 6-BA pretreatment increased water potential in the flower tissue and the activity of SOD, a protective enzyme for the membrane system and decreased water deficiency and the content of MDA, a product of membrane lipid peroxidation, thus reducing membrane permeation, delaying senescence of the cut flowers and prolonging their vase life. A varietal difference was shown the physiological responses to the treatment. The results indicated that membrane stability disturbance caused by water loss is mainly responsible for senescence of the cut flowers. Pretreatment with 6-BA is recommended as an effective measure for their freshness-preservation.

Key concepts: Vase life, Cut flowers, Senescence, Horticulture, Biology, Botany, Chemistry, Traditional medicine

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EFFECT OF 6-BA ON SENESCENCE IN CUT FLOWERS OF CHINESE ROSE (ROSA CHINENSIS JACQ) UNDER DRY STORAGE — Research Paper | ScholarLens