1992•Canadian Journal of Plant ScienceRequires access

Analysis of maize leaf photosynthesis under drought stress

L. M. Dwyer, D. W. Stewart, M. Tollenaar

Abstract

Determination of reduction in leaf photosynthesis due to drought conditions is complicated by plant-to-plant variability in the progressive onset of drought stress. In this study a method of analysis was developed to quantitatively compare the reduction in leaf photosynthesis due to drought stress for an old and a new maize (Zea mays L.) hybrid introduced 30 yr apart in Ontario.Key words: Maize, leaf photosynthesis, drought stress, non-linear fitting, hybrid difference

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Key concepts: Photosynthesis, Drought stress, Zea mays, Agronomy, Biology, Water stress, Stress (linguistics), Botany