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Soft rot: Penicillium expansum

Soft rot: Penicillium expansum Symptom Young spots starts from stem end of the fruit as light brown watery rot. As the fruit ripens area of the rotting increases, Skin becomes wrinkled. A peculiar musty odour is emitted Under humid condition a bluish green sporulating growth appears. Infection take place by wounds in the skin caused by insects and during handing in storage and transport Management Careful handling of fruits without causing any wounds. Dipping the fruits aureofunginsol @ 500 ppm for 20 min gives best control.

Symptom

  • Young spots starts from stem end of the fruit as light brown watery rot. As the fruit ripens area of the rotting increases,
  • Skin becomes wrinkled.
  • A peculiar musty odour is emitted
  • Under humid condition a bluish green sporulating growth appears.
  • Infection take place by wounds in the skin caused by insects and during handing in storage and transport
  • Careful handling of fruits without causing any wounds.
  • Dipping the fruits aureofunginsol @ 500 ppm for 20 min gives best control.
Source

Written and published by Tamil Nadu Agricultural University, and reproduced here unchanged. The original is at https://agritech.tnau.ac.in/crop_protection/apple_4.html.

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