Identification Symptoms

  • Physalopara psidii causes stem canker and the imperfect stage Diplodia netalensis dry fruit rot.
  • Pathogen attack main branches and stem on which it causes cracking of lesion.
  • Affected branches wilt as the stem tissues are killed. Fungal perithesia small brown to black structures may develop on the infected stem.
  • On fruit disease symptoms appears as light brown spots generally at the stalk or calyx end .
  • With four days the entire fruit become dark brown to black and mummified.
  • Twing bearing infected fruits show die back.