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A study on ethylene production and lipid peroxidization in florescence and flower senescence of \%Paeonia suffruticosa

Shi Rong Guo

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Abstract

The levels of ethylene,ethane production and lipid peroxidization were studied during florescence and flower senescence of \%Paeonia suffruticosa\%.The results showed that during the blooming the stalk and mass of flower enlarged rapidly and reached the maximum in florescence.The highest rate of ethylene and ethane were found,and the peak of ethane was earlier than the peak of ethylene.After florescence,the O -· 2 production rate and MDA content increased,and the SOD activity declined rapidly.The increase of ethylene production and lipid peroxidization level is considered to be the main physiological causes for the flower senescence of \%Paeonia suffruticosa\%.

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What this paper is about

The levels of ethylene,ethane production and lipid peroxidization were studied during florescence and flower senescence of \%Paeonia suffruticosa\%.The results showed that during the blooming the stalk and mass of flower enlarged rapidly and reached the maximum in florescence.The highest rate of ethylene and ethane were found,and the peak of ethane was earlier than the peak of ethylene.After florescence,the O -· 2 production rate and MDA content increased,and the SOD activity declined rapidly.The increase of ethylene production and lipid peroxidization level is considered to be the main physiological causes for the flower senescence of \%Paeonia suffruticosa\%.

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Available abstract

The levels of ethylene,ethane production and lipid peroxidization were studied during florescence and flower senescence of \%Paeonia suffruticosa\%.The results showed that during the blooming the stalk and mass of flower enlarged rapidly and reached the maximum in florescence.The highest rate of ethylene and ethane were found,and the peak of ethane was earlier than the peak of ethylene.After florescence,the O -· 2 production rate and MDA content increased,and the SOD activity declined rapidly.The increase of ethylene production and lipid peroxidization level is considered to be the main physiological causes for the flower senescence of \%Paeonia suffruticosa\%.

Key concepts: Paeonia suffruticosa, Ethylene, Senescence, Horticulture, Botany, Production rate, Biology, Chemistry

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