USE OF VIRUS AND ITS INTERACTIONS WITH THE ENTOMOPATHOGENIC FUNGUS NOMURAEA RILEYI (FARLOW) SAMSON TN SOYBEAN

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ABDUL LATIF AHMAD ZABIDI , G.E. ALLEN AND D.C. HERZOG

SUMMARY

The efficacy of velvetbean eaterpiller nuelear polyhedrosis virus (VBC NPV) against field popular of VBC and its interaction with the naturally occurring fungus N. rileyi were investigated. The VBCNPV at 7.4 and 37 LF significantly reduced VBC population below the damaging levels throughout the test period. The success of the VBC NPV was attributed to its high persistence in the field. the was no significant VBC NPV x fingus interations based on larval count, white cadavers and yield. The reduced impact of N. rileyi epizootie in all treated plots clearly demonstrated a host-dentsity dependency on N. rileyi.

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Journal of Tropical Agriculture and Food Science (JTAFS)
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