1. Alamu

Karyewar ganyen ganye yana lalata saman ko gefen ganyen taba.Launukan ba su da tsari, launin ruwan kasa, gauraye da fararen fararen fata marasa daidaituwa, suna haifar da karyewar tukwici da gefen ganye.A mataki na gaba, ƙananan baƙar fata suna warwatse akan wuraren cututtuka, wato, ascus na pathogen, da kuma launin toka-fararen walƙiya-kamar matattun wurare sau da yawa suna bayyana a gefen jijiyoyi a tsakiyar ganye., Karyewar wuraren da ba a bi ka'ida ba.

2. Hanyoyin rigakafi

(1) Bayan an gama girbi sai a cire datti da ganyayen da suka fadi a gona a kona su cikin lokaci.Juya ƙasa cikin lokaci don binne ragowar tsire-tsire masu cutarwa da suka warwatse a cikin ƙasa mai zurfi a cikin ƙasa, shuka da kyau sosai, da ƙara takin phosphorus da potassium don haɓaka ci gaban tsiron taba da haɓaka juriya na cututtuka.

(2) Idan an samu cutar a filin, a rika amfani da magungunan kashe qwari don hanawa da sarrafa duk filin cikin lokaci.A hade tare da rigakafi da sarrafa wasu cututtuka, ana iya amfani da wakilai masu zuwa:

Carbendazim 50% WP 600-800 sau ruwa;

Thiophanate-methyl 70% WP 800-1000 sau ruwa;

Benomyl 50% WP sau 1000 ruwa;

2000 ruwa Propiconazole 25%EC + 500 ruwa Thiram 50% WP, fesa daidai da 500g-600g magungunan kashe qwari da ruwa 100L don 666m³.