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Effect of Plant Growth Regulators on Didynamous Retroflexion of Torenia Fournieri[J]. Journal of South China Normal University (Natural Science Edition), 2014, 46(6): 93-97.
Citation: Effect of Plant Growth Regulators on Didynamous Retroflexion of Torenia Fournieri[J]. Journal of South China Normal University (Natural Science Edition), 2014, 46(6): 93-97.

Effect of Plant Growth Regulators on Didynamous Retroflexion of Torenia Fournieri

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  • Received Date: July 16, 2014
  • Revised Date: August 31, 2014
  • The didynamous of Torenia fournieri showed retroflexion during filament growth. To investigate the physiological mechanism of didynamous retroflexion of T. fournieri, we analyzed the effects of GA3 and NAA, as well as their inhibitors on didynamous retroflexion. The results showed that application of GA3 and NAA shortened the time of retroflexion to 49.1% and 53.6% of that of the control. Furthermore, application of inhibitors of GA biosynthesis and NAA transport, PAC and TIBA, delayed the time of retroflexion to 165.3% and 59.6% of that of the control, which indicate that plant hormones, GA3 and NAA are involved in regulation of didynamous retroflexion of T. fournieri.
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    [1]Dulberger R.The floral biology of Cassia didymobotrya and Cauriculata (Caesalpinoideae)[J].American Journal of Botany, 1981, 68(10):1350-1360 [2]罗中莱,张奠湘.异型雄蕊的研究进展[J].热带亚热带植物学报, 2005, 13(6):536-542 [3]任明迅.花内雄蕊分化及其适应性意义[J].植物生态学报, 2005, 33(1):222-236 [4]阮成江,钦佩,尹增芳.繁殖保障和延迟自交的进展[J].生态学报, 2006, 26(1):195-202 [5]Liu K W, Liu Z J, Huang L Q, et al.[J].Nature, 2006, 441(无):945-946 [6] Kalisz S, Vogler D W, Finer M, et al.The mechanism of delayed selfing in Collinsia verna (Scrophulariaceae)[J].American Journal of Botany, 1999, 86(无):1239-1247 [7]Noh B, Murphy A S, Spalding E P.Multidrug resistance-like genes of Arabidopsis required for auxin transport and auxin-mediated development[J].Plant Cell, 2001, 13(无):2441-2454 [8] Lincoln C, Britton J H, Estelle M.Growth and development of the axr1 mutants of Arabidopsis[J].Plant Cell, 1990, 2(无):1071-1080 [9]Cheng H, Qin L, Lee S, et al.Gibberellin regulates Arabidopsis floral development via suppression of DELLA protein function[J].Development, 2004, 131(无):1055-1064 [10] Huang S, Cerny R E, Qi Y L, et al.Transgenic studies on the involvement in of cytokinin and gibberellin in male development[J].Plant Physiology, 2003, 131(无):1270-1282 [11]王熹,俞美玉,陶龙兴,等.烯效唑对水稻幼苗内源含量的影响[J].植物学报, 1997, 39(7):629-633 [12]Park J E, Kim Y S, Yoon H K, et al.Functional charac-terization of a small auxin-up RNA gene in apical hook development in Arabidopsis[J].Plant Science, 2007, 172(无):150-157 [13]Chae K, Isaacs C G, Reeves P H, et al.Arabidopsis SMALL AUXIN UP RNA63 promotes hypocotyl and stamen filament elongation[J].The Plant Journal, 2012, 71(无):684-697 [14]Frigerio M, Alabadi D, Perez-gomez J, et al.Transcriptional regulation of gibberellin metabolism genes by auxin signaling inArabidopsis[J].Plant Physiology, 2006, 142(无):553-563 [15]张国华,张艳洁,丛日晨,等.赤霉素作用机制研究进展[J].西北植物学报, 2009, 29(2):412-419 [16]Carrera E, Ruiz - Rivero O, Peres L E, et al.Characterization of the procera tomato mutant shows novel functions of the SlDELLA protein in the control of flower morphology, cell division and expansion, and the auxin-signaling pathway during fruit-set and development[J].Plant Physiology, 2012, 160(无):1581-1596

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