Powdery mildew chirwere chakajairika chinokuvadza matomatisi.Inonyanya kukuvadza mashizha, petioles uye michero yemiti yemadomasi.

Ndezvipi zviratidzo zvetomato powdery mildew?

Kune matomatisi anorimwa mumhepo, mashizha, petioles, uye michero yemiti inogona kunge ine utachiona.Pakati pavo, mashizha ndiwo anonyanya kukanganiswa, anoteverwa nemashizha, uye michero inenge isina kukuvadzwa.

Pakutanga kwechirwere, mavara madiki madiki egirinhi achaonekwa pane petioles uye mashizha pamusoro pemiti, uye zvishoma nezvishoma anowedzera, achiratidza mavara epinki asina kujairika ane machena machena paari.

Pakutanga, iyo mold layer inenge iri shoma, uyezve yakasviba, ichiratidza-yakafanana, makwapa ane chirwere uye zvishoma nezvishoma ichipararira kumativi.

Apo chirwere chacho chakakomba, mashizha emuti wacho achafukidzwa nehupfu chena uye zvishoma nezvishoma akabatana kuita zvidimbu, uye mashizha achashanduka yero uye mashava.Mapazi chete ndiwo asara.

Zvirwere zveTomato:

1. Kunyorova kwepamusoro ndicho chinhu chikuru chekuitika kwezvirwere, uye kutonhora kwemamiriro okunze kunokodzerawo kuitika kwe powdery mildew.Iyo tembiricha yakakodzera yekutanga ndeye 16-24 ℃.

2. Kunyorova kwakakodzera kwekumera kwe desiccation-resistant conidia ndeye 97-99%, uye firimu remvura harina kunaka pakumera kwespores.

3. Mushure mokunaya kwemvura, mamiriro okunze akaoma, hunyoro hwemunda hwakanyanya, uye powdery mildew inowanzoitika.

4. Kunyanya kana kupisa kwakanyanya uye kusanaya kwemvura kunopindirana nekupisa kwepamusoro uye hunyoro hwepamusoro, chirwere chacho chakanyanya.

Ndeupi mushonga unorapa powdery mildew?

Pls taura nesu kuti tibvunze.