Thc available litcraturc concerning the compatibility of host-plant mittance
and biological control, with particular reference to Heliofhisspp., is
rcvicwed. There has been a large amount of successful research on
host-plant resistance and biological control as individual components for
the management of Heliofhis spp., and it has often been postulated that
these cornponcnts are compatible, or even synergistic. However, there ue
few reports of experimentation to test their compatibility. Research done
at ICRISAT on the effects of host-plant resistance on parasitism in
Heliothis armigera Hubner larvae on pigeonpea and chickpea is
reviewed. It is suggested that the effect of host-plant resistance, on the
hiocontrol elements must be tested in large plot field trials before thew
components are used in integrated pest management projects.
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