Relationship between Linear Growth and the Distance of Initiation of Lignification behind the Root-tip inLepidium sativumL.
- 1 May 1966
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Experimental Botany
- Vol. 17 (2) , 185-194
- https://doi.org/10.1093/jxb/17.2.185
Abstract
The relationship between the rate of linear growth and distance of initiation of the zone of lignification behind the root-tip in young roots of Lepidium sativum L. was investigated under different cultural conditions. The distance varied between 1.0 mm and 3.4 mm. All the factors which retard linear growth reduce the distance of the zone of lignification behind the root-tip, and an acceleration in linear growth increases the distance correspondingly. The reduction or extension of this distance depends upon the intensity of linear growth, and is independent of the nature of the inhibiting agent employed. The factors and substances used were temperature, mannitol, respiratory inhibitors like KCN, 2-4 DNP, sodium fluoride and p-nitrophenol IAA, coumarin, and nitrate and phosphate.This publication has 0 references indexed in Scilit: