Kodi mukudziwa kuti madontho achikasu omwe amawonekera pamasamba a chimanga ndi chiyani?Ndi dzimbiri la chimanga! Awa ndi matenda oyamba mafangasi pachimanga.Matendawa amapezeka kwambiri pakati ndi kumapeto kwa kukula kwa chimanga, ndipo amakhudza kwambiri masamba a chimanga.Pazovuta kwambiri, khutu, mankhusu ndi maluwa achimuna amathanso kukhudzidwa.Masamba ovulala poyamba anamwazikana kapena ophatikizana ndi matuza ang'onoang'ono achikasu kumbali zonse ziwiri.Ndi chitukuko ndi kukhwima kwa mabakiteriya, matuzawo amakula mpaka kuzungulira, mwachiwonekere anatukuka, ndipo mtunduwo unakula mpaka ku bulauni wachikasu, ndipo pamapeto pake epidermis inaphulika ndi kufalikira.ufa wa dzimbiri.

Kodi mungapewe bwanji?Akatswiri a zaulimi anapereka malingaliro 4 opewera:

1. Njira yogwiritsira ntchito ndodo yayitali yopopera ndi mphuno yowongoka imatengedwa kuti igwiritsidwe ntchito ku chimanga chamunda, ndipo njira yogwiritsira ntchito drone ingagwiritsidwenso ntchito.

2. Mankhwala abwino a fungicide popewa dzimbiri ndi: tebuconazole + tristrobin, difenoconazole + propiconazole + pyraclostrobin, epoxiconazole + pyraclostrobin, difenoconazole + pyraclostrobin Pyraclostrobin + Clostridium, etc.

3. Sankhani njere za chimanga zomwe sizimva dzimbiri

4. Chitani ntchito yabwino yopewera dzimbiri pasadakhale, ndipo mutha kupopera mankhwala opha fungicides kuti mupewe dzimbiri.