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Effect of Weak Light Stress on Growth and Physiological andBiochemistry Characteristics of Loofah Seedlings(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年09
Page:
14-18
Research Field:
Publishing date:

Info

Title:
Effect of Weak Light Stress on Growth and Physiological andBiochemistry Characteristics of Loofah Seedlings
Author(s):
JIANG Xiao-tingLIN Bi-yingLIN Yi-zhang
(College of Horticulture,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002)
Keywords:
weak light stressloofah seedlinggrowthphysiological and biochemistry characteristics
PACS:
S 642.4
DOI:
10.11937/bfyy.201509004
Abstract:
Taking loofah variety ‘Nongfu loofah 601’ as materials,the seedlings of which were put under controlled lighting environments,with the full lighting percentage of 100%,70%,50%,30%,respectively.The results showed that illumination intensity obviously impacted the growth of seedlings.With the enhancement of weak light stress and the extension of time,plant height,stem diameter,plant weight,leaf area,root shoot ratio were decreased in different degree,and compared with the control group,the difference was significant;in the weak light environment,loofah of chlorophyll a,chlorophyll b,total chlorophyll,carotenoid and soluble sugar content showed a downward trend;compared with the control,the weak light stress significantly increased soluble protein content,proline content,and increased the permeability of cell membrane.

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Last Update: 2015-08-01