Photosynthetica, 2010 (vol. 48), issue 4

Photosynthetica 2010, 48(4):630-634 | DOI: 10.1007/s11099-010-0081-9

Physiological response of non-Bt and Bt cotton to short-term drought stress

P. Parimala1, K. Muthuchelian1,*
1 Department of Bioenergy, School of Energy, Environment and Natural Resources, Madurai Kamaraj University, Madurai, India

Drought stress triggered the accumulation of malondialdehyde (MDA) and hydrogen peroxide (H2O2) both in non-Bt and Bt cotton with simultaneous production of antioxidant enzymes. And there was no significant difference between non-Bt and Bt cotton under drought stress. In contrast to this, we observed a significant reduction of Bt toxin proteins under 72 h of drought stress in Bt cotton.

Keywords: antioxidant enzymes; hydrogen peroxide; insecticidal Bt toxin proteins; ion leakage; malondialdehyde

Received: March 19, 2010; Accepted: October 15, 2010; Published: December 1, 2010Show citation

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Parimala, P., & Muthuchelian, K. (2010). Physiological response of non-Bt and Bt cotton to short-term drought stress. Photosynthetica, 48(4), 630-634. doi: 10.1007/s11099-010-0081-9.
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