I-Powdery mildew sisifo esiqhelekileyo esonakalisa iitumato.Ikakhulu ilimaza amagqabi, i-petioles kunye neziqhamo zezityalo ze-tomato.

Ziziphi iimpawu ze-tomato powdery mildew?

Kwiitumato ezikhuliswe kwindawo evulekileyo, amagqabi, iipetioles, kunye neziqhamo zezityalo zisenokosuleleka.Phakathi kwabo, amagqabi awona achaphazeleka kakhulu, alandelwa ziziqu, kwaye iziqhamo zincinci zonakaliswe.

Kwinqanaba lokuqala lesi sifo, amabala amancinci aluhlaza aya kubonakala kwi-petioles kunye namagqabi amaqabunga ezityalo, aze akhule ngokuthe ngcembe, abonise amabala apinki angaqhelekanga aneentyatyambo ezimhlophe kuwo.

Ekuqaleni, umaleko wokungunda unqabile, kwaye emva koko uxinene, ubonisa amabala anesigulo kwaye ngokuthe ngcembe asasazeke.

Xa isifo sinzima, amaqabunga esityalo aya kugutyungelwa ngomgubo omhlophe kwaye adibanise ngokuthe ngcembe abe ngamaqhekeza, kwaye amaqabunga aya kuba phuzi kwaye abe mdaka.Ngamasebe odwa aseleyo.

Iimeko zesifo seTomato:

1. Umswakama ophezulu yeyona nto iphambili yokwenzeka kwezifo, kwaye imozulu ebandayo nayo ifanelekile ukwenzeka kwe-powdery mildew.Ubushushu obufanelekileyo bokuqalisa yi-16-24℃.

2. Umswakama ofanelekileyo wokuhluma kwe-desiccation-resistant conidia yi-97-99%, kwaye ifilimu yamanzi ayifuni ukuhluma kwe-spores.

3. Emva kokuna kwemvula, imozulu yomile, ukufuma kwentsimi kuphezulu, kwaye i-powdery mildew ivame ukwenzeka.

4. Ngokukodwa xa ukushisa okuphezulu kunye nesomiso kuhambelana nokushisa okuphezulu kunye nomswakama ophezulu, isifo sinzima.

Sesiphi isibulali-zinambuzane esinyanga umgubo wokungunda?

Pls uqhagamshelane nathi ukubuza.