Journal of Biological Control

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Field experiments were conducted on sugarcane for white grub management using two entomopathogenic fungi i.e., Beauveria bassiana and Metarhizium anisopliae in Andhra Pradesh during 2013-14. Among the treatments imposed at the time of planting, M. anisopliae @ 5×1013 spores ha-1 mixed with farm yard manure (FYM) was found effective followed by B. bassiana @ 5×1013 spores ha-1 applied in FYM enriched field and registered 93.6 % and 88.09 % decrease in white grub damage and 77.22 % and 74.08 % decrease in white grub population. The highest cane yield was recorded when M. anisopliae @ 5x1013 spores ha-1 (81.44 t ha-1) applied with FYM followed by B. bassiana @ 5×1013 spores ha-1 (76.6 t ha-1) with FYM . Similar trend was observed by imposing treatments at one month after planting i.e., after the onset of monsoon in the month of july. M. anisopliae @ 5×1013 spores ha-1 (79.73 t ha-1) recorded highest cane yield followed by B. bassiana @ 5×1013 spores ha-1 (76.45 t ha-1) when applied with FYM at one month after planting. However, highest percent yield increase was recorded in M. anisopliae @ 5x1013 spores ha-1 (71.56 %) applied with FYM at the time of planting.

Keywords

Sugarcane, Holotrichia consanguinea, Beauveria bassiana, Metarhizium anisopliae, Field Evaluation.
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