Sorghum seedling root tip elemental contents after concomitant exposure to PCMBS and mineral nutrient solution
- 1 July 1994
- journal article
- research article
- Published by Taylor & Francis in Journal of Plant Nutrition
- Vol. 17 (8) , 1393-1397
- https://doi.org/10.1080/01904169409364814
Abstract
P ‐ Chloromercuribenzenesulfonic acid (PCMBS) (0, 0.01, 0.1, or 1 mM) was evaluated for influence on calcium (Ca), phosphorus (P), boron (B), zinc (Zn), manganese (Mn), iron (Fe), magnesium (Mg), and copper (Cu) uptake during 1‐hr exposure by 1‐cm root tips of seedling Sorghum bicolor (L.) Moench, cv GP‐10, SC 283, Funk G522DR, and SC 574 grown in Hoagland and Arnon complete mineral nutrient solution. Calcium uptake was inhibited by PCMBS (1 mM) in all four cultivars, but genetic differences in response were evident. Responses of the cultivars to PCMBS influence on the uptake of other elements showed complete genetic diversity within each element measured and among cultivars within each element.Keywords
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