The morphological characteristics of regenerative plants of hairy root cultures in maize and its effect on water use efficiency

Author: Xiaofu Zhou 1, Hui Wu 1, Xiaowei Wei 1, Jie Lv 1, Rui Cai 1, Jinhu Cui 2* and Hongwei Xu 1*
Received 12 October 2012, accepted 20 January 2013.

The aim was to study the relationship between maize roots and water use efficiency and analyze the change of the morphological and physiological characteristics of regenerative plants of hairy root cultures in maize under water stress. The results reveal that the regenerative type maize with a large root system may be able to efficiently conserve water in case of drought stress, whereas the physiological studies from the measurement of leaf osmotic and water potential show the regenerative lines posses an enhanced drought tolerance. Thus, the high root lines of the regenerative plants can keep strong hydraulic root signal and water use efficiency under water stress.

Journal: Food, Agriculture and Environment (JFAE)
Online ISSN: 1459-0263Year: 2013, Vol. 11, Issue 1, pages 357-360. Publisher: WFL.

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