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Updated: May 6, 2026

Lateral Root Inducible System in Arabidopsis and Maize
Published on: January 14, 2016
Importance of the cap in maize root growth
1Institute of Plant Biology and Physiology of the University, CH-1015, Lausanne, Switzerland.
Abstract:
A large population of primary roots of Zea mays (cv. LG 11) was selected for uniform length at zero time. Their individual growth rates were measured over an 8-h period in the vertical position (in humid air, darkness). Three groups of these roots with significantly different growth rates were then chosen and their cap length was measured. It was found that slowly growing roots had long caps whereas rapidly growing roots had short caps. The production by the cap cells of basipetally transported growth inhibitors was tested (biologically by the curvature of half-decapped roots) and found to be significantly higher for longer root caps than that for shorter ones.
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