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Effects of paddy water and some photosensitizers on the photolysis of the fungicide isoprothiolane


Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes 15(2): 135-146
Effects of paddy water and some photosensitizers on the photolysis of the fungicide isoprothiolane
The fungicide isoprothiolane (diisopropyl 1,3-dithiolan-2-ylidenemalonate) decomposed slowly in deionized water under ultraviolet light or sunlight irradiation. Rice-paddy water greatly accelerated the photodegradation. This photosensitizing effect was comparable to that of 2% acetone. Soil extracts, rice-plant extracts, and chlorophylls showed little effect for the isoprothiolane photolysis. Tryptophan showed a relatively weak accelerating effect after a considerable lag time. Riboflavin exerted a remarkable acceleration of the photolysis. This effect was suppressed by a nitrogen gas stream.

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Accession: 042961780

PMID: 7365205

DOI: 10.1080/03601238009372170



Related references

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