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Action of Simazine in Increasing Plant Protein Content

Published online by Cambridge University Press:  12 June 2017

E. L. Pulver  and
S. K. Ries
E. L. Pulver
Affiliation:
Pesticide Res. Center, Mich. State Univ., East Lansing, MI. 48823
S. K. Ries
Affiliation:
Pesticide Res. Center, Mich. State Univ., East Lansing, MI. 48823
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Abstract

Application of 10-8 M 2-chloro-4,6-bis(ethylamino)-s-triazine (simazine) to the roots of 10-day old barley (Hordeum vulgare L. ‘Coho’) seedlings grown in nutrient cultures increased the water-soluble protein content when grown at 20 C day, 15 C night with 3 mM nitrate nitrogen. The water-soluble carbohydrate content decreased with increases in water-soluble protein. In a time-course study simazine increased 14C-leucine incorporation into protein prior to increasing nitrate uptake, indicating that simazine may have a direct influence on protein synthesis. The nonherbicidal metabolite of simazine, 2-hydroxy-4,6-bis(ethylamino)-s-triazine (hydroxysimazine), did not affect 14C-leucine incorporation into protein.

Type
Research Article
Information
Weed Science , Volume 21 , Issue 3 , May 1973 , pp. 233 - 237
Copyright
Copyright © 1973 Weed Science Society of America 

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