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  • Title: [Differences in plant hormone level of cucumber seedlings grown under sulfur or xenon lamp].
    Author: Duan W, Gao JP, Wang P, Yu XJ, Meng QW, Xu CH, Mi HL.
    Journal: Zhi Wu Sheng Li Yu Fen Zi Sheng Wu Xue Xue Bao; 2004 Dec; 30(6):687-90. PubMed ID: 15643091.
    Abstract:
    The primary mechanism of growth difference of cucumber (Cucumis sativus L.) seedlings cultured under sulfur lamp and xenon lamp in a phytotron was investigated. Compared with cucumber seedlings grown under xenon lamp, those under sulfur lamp were shorter, and the cell number in the middle hypocotyls epidermis and cortex of them were more (Fig. 1, Table 1). Endogenous hormone analysis indicates that the content of IAA and GA(3) of seedlings under sulfur lamp were 17% and 24% lower, while ABA content was 31% higher than that under xenon lamp (Fig. 2). Based on these results, it is suggested that the growth difference between cucumber seedlings grown under sulfur lamp and under xenon lamp might be related to the control of endogenous hormones.
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