期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 61, 期 2, 页码 298-303出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfb.2007.09.008
关键词
drought; growth; medicinal plants; Catharanthus roseus; chlorophyll; carotenoid; anthocyanin; xanthophyll
An experiment was conducted in two varieties, rosea and alba, of Catharanthus roseus plants with two watering treatments viz., 100 and 60% of field capacity, to understand the effects of water deficit on early growth, biomass allocation and photosynthetic pigment responses. We found that there were significant differences in early growth, dry matter accumulation and pigment variations between the two varieties. The root length, shoot length, total leaf area, fresh and dry weights were significantly reduced under water stress treatments. There was a significant reduction in the photosynthetic pigment contents in both the varieties. The rosea variety was more affected due to water deficit when compared to alba variety. (c) 2007 Elsevier B.V. All rights reserved.
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