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Yoo, C.Y., Pence, H.E., Hasegawa, P.M. and Mickelbart, M.V. (2009) Regulation of transpiration to improve crop water use. Critical Reviews in Plant Sciences, 28, 410-431. doi:10.1080/07352680903173175

has been cited by the following article:

  • TITLE: Adaptability and recovery capability of two maize inbred-line foundation genotypes, following treatment with progressive water-deficit stress and stress recovery

    AUTHORS: Xianwei Fan, Guiyuan Huang, Liujun Zhang, Tao Deng, Youzhi Li

    KEYWORDS: Maize Inbred Lines; Morphological Response; Gas Exchange; Chlorophyll Fluorescence; Water-Deficit Stress; Recovery

    JOURNAL NAME: Agricultural Sciences, Vol.4 No.8, August 9, 2013

    ABSTRACT: Two maize inbred lines, the foundation genotype Y478 and its derived line Z58, are widely used to breed novel maize cultivars in China, but little is known about which traits confer Z58 with superior drought tolerance and yield. In the present study, responses in growth traits, photosynthetic parameters, chlorophyll fluorescence and leaf micromorphological characteristics were evaluated in Y478 and Z58 subjected to water-deficit stress induced by PEG 6000. The derived line Z58 showed greater drought tolerance than Y478, which was associated with higher leaf relative water content (RWC), root efficiency, and strong growth recovery. Z58 showed a higher stomatal density and stomatal area under the non-stressed condition; in these traits, both genotypes showed a similar decreasing trend with increased severity of water-deficit stress. In addition, the stomatal size of Y478 declined significantly. These micromorphological differences between the two lines were consistent with changes in physiological parameters, which may contribute to the enhanced capability for growth recovery in Z58. A non-linear response of Fv/Fm to leaf RWC was observed, and Fv/Fm decreased rapidly with a further gradual decline of leaf RWC. The relationship between other chlorophyll fluorescence parameters (photochemical quenching and electron transport rate) and RWC is also discussed.