Three trophic level interactions: allelochemicals, Manduca sexta (L.) , and Bacillus thuringiensis var. kurstaki Berliner

Vera A Krischik; P. Barbosa; C. F. Reichelderfer

doi:10.1093/ee/17.3.476

Three trophic level interactions: allelochemicals, Manduca sexta (L.) , and Bacillus thuringiensis var. kurstaki Berliner

Vera A Krischik, P. Barbosa, C. F. Reichelderfer

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Abstract

Compared the effects of the alkaloid nicotine and the flavonoid rutin on the toxicity of B. thuringiensis. Survivorship of M. sexta larvae increased at higher levels of nicotine (0.6, 0.8, 1.0% wet weight), but higher concentrations of rutin did not increase larval survivorship. Experiments on colony growth of B. thuringiensis on nutrient agar containing nicotine or rutin demonstrated that nicotine reduced colony growth to a greater extent. -from Authors

Original language	English (US)
Pages (from-to)	476-482
Number of pages	7
Journal	Environmental Entomology
Volume	17
Issue number	3
DOIs	https://doi.org/10.1093/ee/17.3.476
State	Published - Jan 1 1988
Externally published	Yes

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AB - Compared the effects of the alkaloid nicotine and the flavonoid rutin on the toxicity of B. thuringiensis. Survivorship of M. sexta larvae increased at higher levels of nicotine (0.6, 0.8, 1.0% wet weight), but higher concentrations of rutin did not increase larval survivorship. Experiments on colony growth of B. thuringiensis on nutrient agar containing nicotine or rutin demonstrated that nicotine reduced colony growth to a greater extent. -from Authors

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Three trophic level interactions: allelochemicals, Manduca sexta (L.) , and Bacillus thuringiensis var. kurstaki Berliner

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