|Table of Contents|

Study on Drought Resistance in Four Potted Chrysanthemum

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年20
Page:
54-61
Research Field:
Publishing date:

Info

Title:
Study on Drought Resistance in Four Potted Chrysanthemum
Author(s):
LUAN Dongtao1; WANG Jing1; ZHANG Dongmei2; 3; HAN Zhuqing1; DONG Shuqi1; YIN Dongmei1
(1.School of Ecological Technology and Enginneering,Shanghai Institute of Technology,Shanghai 201418；2.Shanghai Academy of Landsape Architecture Science and Planning，Shanghai 200232；3.Shanghai Engineering Research Center of Landscaping on Challenging Urban Sites，Shanghai 200232)
Keywords:
potted chrysanthemum; drought resistance; morphological index; physiological index
PACS:
-
DOI:
10.11937/bfyy.20193898
Abstract:
‘Zhongshan Xuegui’ ‘Jinling Honglian’‘Jinling Hongmei’‘Jinling Yangguang’ four varieties potted chrysanthemums were used as experimental materials.The effects of drought stress on the phenotypes of overground and underground parts,physiological indexes such as leaf superoxide dismutase (SOD),activity and catalase (CAT) activity,ascorbic acid peroxidase (APX) activity,malonaldehyde,chlorophyll and protein contents were studied.In order to evaluate the drought resistance of four varieties potted small chrysanthemums.The results showed under drought stress，the activities of SOD,CAT and APX in the four potted plants decreased sharply；the content of chlorophyll increased during the early stages of stress and then decreased afterwards.Taken with morphological observation，it was suggested that ‘Jinling Yangguang’ and ‘Jinling Hongmei’ were relatively more tolerant than ‘Jinling Honglian’ or ‘Zhongshan Xuegui’.Through the study of drought resistance in the four potted chrysanthemum varieties, it was found that ‘Jinling Yangguang’ was the best suitable for growing in Shanghai.Since ‘Jinling Yangguang’ was the most tolerant to drought resistance,it could be used for the promotion and application of large areas for landscape in Shanghai.

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Last Update: 2021-01-08