Abstract

The shoot-die back in cashew was investigated. In addition to feeding injury caused by Helopeltis antonii Sign., a fungus viz. Botryodiplodia theobromae was also isolated consistently from the dead tissues. The primary cause for entry and establishment of the pathogen seemed to be infestation of the insect. Controlled experiments revealed that die-back occurred only when the fungus was inoculated in the lesion caused by feeding of H. antonii