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Effect of diflubenzuron and diflubenzuron hostathion combinations on larvae and adults of the egyptian cotton leafworm spodoptera littoralis lepidoptera noctuidae



Effect of diflubenzuron and diflubenzuron hostathion combinations on larvae and adults of the egyptian cotton leafworm spodoptera littoralis lepidoptera noctuidae



Bulletin of the Entomological Society of Egypt Economic Series (12): 195-202, 1980



Diflubenzuron (DFB) was found effective against Spodoptera littoralis Boisd. The LC value of the fourth instar larvae exposed to DFB for 48 h was six times smaller than that required to produce the same effect after 24 h exposure period. The 3 combinations tested: Exp 5684 Exp 5685 and PH 66 - 17 were potentially and almost equally effective against the larvae. Survivals of DFB treatments of the fourth instar larvae, suffered a decrease in larval weight and reduction in subsequent pupation and adult emergency. Such effects were proportional to the feeding period and concentration used. Continuous feeding of adults on 0.014% DFB caused 59% reduction in hatchability of resulting eggs with no effect on adult longevity.

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Accession: 028163747

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Effect of diflubenzuron and diflubenzuron-Hostathion combinations on larvae and adults of the Egyptian cotton leafworm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae). Bulletin of the Entomological Society of Egypt1981 1984; (12): 195-201, 1980

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