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Studies on protective chemicals against ozone injury to tobacco leaves



Studies on protective chemicals against ozone injury to tobacco leaves



Bulletin of the Okayama Tobacco Experiment Station (38): 1-58



In trials in a fumigation chamber, piperonyl butoxide was found to give protection against O3 injury to tobacco. Investigations with related substances suggested that substances having synergistic activity with pyrethrum insecticides were often effective against O3 injury. In field trials spraying with 6.2% piperonyl butoxide gave 60-95% protection in 4 fields increasing both yield and value of leaves. No effects on leaf chemical composition could be found.

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Accession: 000756410

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