Systemic Activity of Dimethoate Applied to Cotton Seeds1
- 1 December 1961
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 54 (6), 1132-1135
- https://doi.org/10.1093/jee/54.6.1132
Abstract
Dimethoate was not exceptionally effective as a systemic cottonseed treatment against the boll weevil (Anthonomus grandis Boheman) and cotton aphid (Aphis gossypii Glover). Applied as a seed treatment, dimethoate caused considerable reduction in seedling emergence. Studies with P32labeled dimethoate applied as a cottonseed treatment indicated that the toxicant was most rapidly absorbed 1 to 3 days after planting. Dimethoate seed treatment did not reduce the total emergence of artificially deteriorated seed, but did reduce the rate of emergence somewhat. Seeds deteriorated for 2 days absorbed more dimethoate than seeds deteriorated for 0,1,3, or 4 days. Dimethoate was found to be less toxic than phorate to boll Weevil larvae and adults.This publication has 8 references indexed in Scilit:
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