Photosensitizing Effect of Rose Bengal, Methylene Blue and Rhodamine on Cotton Leaf worm, Spodoptera littoralis Larvae

Document Type : Original Article

Authors

1 Department of Plant Protection, Faculty of Agriculture, Fayoum University

2 Department of Economic Entomology and Pesticides, Faculty of Agriculture, Cairo University

Abstract

Photosensitizers are promising chemical compounds in agriculture sectors. In this investigation, our discussion is focused on three different photosensitizer and their effects on the main metabolites, total carbohydrates, total proteins, and total lipid were determined in the total body homogenates of Spodoptera littoralis. The results showed the highest decrease in the total lipid. On the other hand, total carbohydrates and protein showed a lower reduction in most treatments. The Rose Bengal photosensitizer was more effective on death percentages of Spodoptera littoralis and lightly played an active role in enzyme activity

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