Studies on Metabolism of Active Oxygen during Senescence of Cut Gerbera

ACTA HORTICULTURAE SINICA ›› 2003, Vol. 30 ›› Issue (1): 69-73.

• 研究论文 • Previous Articles Next Articles

Studies on Metabolism of Active Oxygen during Senescence of Cut Gerbera

Wu Lanfang¹;Huang Mianjia¹;Cai Shiying^1,2

(¹College of Horticulture,South China University of Tropical Agriculture, Danzhou 571737 , China ;²Key Laboratory of Ministry of Agriculture for Tropical Crops Physiology , CATAS , Danzhou 571737 , China)

Received:2002-02-04 Revised:2002-06-05 Online:2003-02-25 Published:2003-02-25

Abstract

Abstract: The metabolism of active oxygen was investigated during senescence of cut Gerbera jamesonii and effects of exogenous ethylene and exogenous active oxygen species on the cut flowers were studied in terms of modern plant senescence theory and by means of modern detected method. The technical measures that delayed the senescence of cut gerbera were found and the corresponding mechanisms were discussed in this paper. The results showed that the level of active oxgen metabolism during the senescence of cut gerbera flower was high. Gerbera was much more sensitive to the kinds of exogenous active oxygen than that to exogenous ethylene. The suitable concentration of active oxygen scavengers could retard the senescence of cut gerbera.

Key words: Gerbera, Cut flower, Active oxygen metabolism, Senescence

CLC Number:

S 68

Wu Lanfang;Huang Mianjia;Cai Shiying;. Studies on Metabolism of Active Oxygen during Senescence of Cut Gerbera[J]. ACTA HORTICULTURAE SINICA, 2003, 30(1): 69-73.

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Studies on Metabolism of Active Oxygen during Senescence of Cut Gerbera

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