International Sugar Journal

Utilisation of the green muscardine, Metarhizium anisopliae, to control the sugarcane longhorn stem borer Dorysthenes buqueti guerin (Coleoptera: Cerambycidae) † [Full subscriber]

The green muscardine, Metarhizium anisopliae is used to control the sugarcane longhorn stem borer, Dorysthenes buqueti, in infested areas of sugarcane fields in Thailand. Fields are treated by dispersing a fresh culture of M. anisopliae colonising cooked rice (2.7×108 spores/g). Single applications of M. anisopliae at the rate of 80 kg/ha were made in three locations at Suphanburi and Kanchanaburi Province in 2008. The effect of green muscardine on the larvae of longhorn borer as well as on sugarcane production was evaluated. The results revealed that, after applying the fungi, the green muscardine killed on average 35.09±8.68% of the borer…

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