A ganye tipching phenomenon na sa'a. Yana lalata ganye a tsakiya da ƙananan sassa na shuka. Lokacin da cutar ke faruwa, da marasa lafiya ya fadada daga tip ciki ciki, da marasa lafiya suka juya zuwa ciyawa rawaya kuma suna zubo rana. Akwai layin launin ruwan kasa a cikin cututtukan cuta da ƙoshin lafiya, da ƙananan baƙar fata suna bayyana a cikin ɓangaren da ake ciki a mataki na gaba. Ganyen sau da yawa mutu daga kamuwa da cuta tare da wannan cuta, amma a tsakiyar sassan bambaroo, kawai ƙarshen ganye mutu. Cutar ƙwayoyin cuta sau da yawa tsira a ganyayyaki ko a kan cututtukan cututtukan da ke faɗuwa a ƙasa, kuma suna da haɗari ga cuta yayin da akwai ruwan sama mai yawa.

Hanyar sarrafawa: Yawan adadin ganye mai cuta ya kamata a yanka kuma a ƙone shi cikin lokaci. A farkon mataki na cutar, ana iya fesa shi da 1: 1: 100 Bordeaux cakuda, ko da 10% na spraying ruwa waterult. A lokacin da karamin adadin ganye na rashin lafiya suna bayyana a cikin iyali, bayan yankan da suka mutu daga ganyayyaki don yadda ya kamata ya hana a cikin sake shayar da cutar.