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Environmental and Stress Physiology

Effect of Temperature on Spatial and Temporal Aspects of Growth in the Primary Maize Root ¹

Department of Land, Air and Water Resources, University of California, Davis, California 95616

In the range 16 to 29°C, increases in temperature caused large (two-to threefold) increases in growth velocity, growth strain rate, and biomass deposition rate in primary roots of maize, Zea mays L. Temperature had small effects on root diameter, fresh weight density, and dry weight density, and negligible effects on length of the growth zone and growth strain at particular positions.

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