I-Powdery mildew yisifo esivamile esilimaza utamatisi.Ilimaza kakhulu amaqabunga, ama-petioles nezithelo zezitshalo zikatamatisi.

Yiziphi izimpawu ze-tomato powdery mildew?

Kutamatisi otshalwe endaweni evulekile, amaqabunga, ama-petioles, nezithelo zezitshalo kungenzeka ukuthi zibe negciwane.Phakathi kwazo, amaqabunga yiwona athinteka kakhulu, alandelwa yiziqu, kanti izithelo azilimele kakhulu.

Esigabeni sokuqala sesifo, kuzovela amachashaza amancane aluhlaza kuma-petioles namaqabunga ezitshalo, bese anda kancane kancane, abonise amabala apinki angajwayelekile anezimbali ezimhlophe kuwo.

Ekuqaleni, ungqimba lwesikhunta luyingcosana, bese luminyene, lubonisa amachashaza angathi sína, anesifo futhi kancane kancane asakazeka nxazonke.

Uma lesi sifo sisibi, amaqabunga esitshalo azombozwa ngempushana emhlophe futhi kancane kancane axhumeke abe yizicucu, futhi amaqabunga azophenduka aphuzi futhi abe nsundu.Kusele amagatsha kuphela.

Izifo ze-Tomato:

1. Umswakama ophezulu uyisici esiyinhloko sokuvela kwezifo, futhi isimo sezulu esibandayo sibuye silungele ukuvela kwe-powdery mildew.Izinga lokushisa elifanele ukuqala ngu-16-24℃.

2. Umswakama ofanelekile wokuhluma kwe-conidia engamelana ne-desiccation yi-97-99%, futhi ifilimu yamanzi ayihambisani nokuhluma kwezinhlamvu.

3. Ngemva kokuna kwemvula, isimo sezulu somile, umswakama wasensimini uphezulu, futhi i-powdery mildew ijwayele ukuba khona.

4. Ikakhulukazi lapho izinga lokushisa eliphezulu nesomiso kushintshana ngokushisa okuphezulu nomswakama ophezulu, lesi sifo sinzima.

Yisiphi isibulala-zinambuzane esiphatha i-powdery mildew?

Pls xhumana nathi ukuze ubuze.