Correlation Analysis on Leaf Chlorophyll Content, Malondialdehyde Content and Alkali Damage Index of  Lily Seedling Under Alkali Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Correlation Analysis on Leaf Chlorophyll Content, Malondialdehyde Content and Alkali Damage Index of  Lily Seedling Under Alkali Stress

Author(s):: SUN Mingmao1; LIU Lixia2; （1.Jiasixie Agricultural College,Weifang University of Science and Technology,Shouguang,Shandong 262700；2.Plant Protection Station,Shouguang Municipal Bureau of Agriculture,Shouguang,Shandong 262700)

Keywords:: field growing seedling of lily; chlorophyll content; malondialdehyde content; alkali damage index; correlation analysis

Abstract:: The field growing seedlings of lily varieties ‘Honesty’‘Suncrest’‘L.lancifolium’ and ‘L.trompeten’ were sampled and treated with 0,20,25,30,35 g?L-1 Na2CO3 aqueous solution,respectively.Moreover,variation and correlation analyses on leaf chlorophyll a content,chlorophyll b content,total chlorophyll content,malondialdehyde content and alkali damage index of treated lily seedlings were conducted.With increasing treatment concentration of Na2CO3,the means of leaf chlorophyll a content,chlorophyll b content,total chlorophyll content of four lily varieties showed a downtrend,while the means of leaf malondialdehyde content and alkali damage index showed an uptrend.There were significant positive correlations （P<0.05 or P<0.01) between the leaf chlorophyll contents of lily.Between the leaf malondialdehyde contents,between the leaf alkali damage indexes,between leaf malondialdehyde contents and alkali damage indexes displayed significant positive correlations （P<0.05 or P<0.01).However,the correlations between leaf chlorophyll contents and malondialdehyde contents,between leaf chlorophyll contents and alkali damage indexes were not significant.

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Last Update: 2018-03-15