1.Kana mashizha ari yellowing nokukurumidza mubindu rose, zvinogona kunge zviri phytotoxicity;(nekuda kwekushayikwa kwezvokudya kana chirwere, hazvigoneki kuti bindu rose richaputika nokukurumidza).

2. Kana iine sporadic, chikamu chemuti chinosiya yellowing uye pane nzira, inogona kunge isina zvokudya zvinovaka muviri, zvirwere zvemidzi kana zvirwere zvemashizha.

3. Kana mashizha emashizha akasvibirira, asi tsinga dziri yero, inogona kunge iri simbi kana kushaya magnesium.Tinogona kuramba tichipatsanura.Kana mashizha ekare ari yero uye mashizha matsva haasi ero, anogona kuonekwa sekushaya magnesium;kana mashizha ekare asina kutsvuka uye mashizha matsva ari yero, inogona kuonekwa sekushayikwa kwesimbi.

4. Kana mitsipa yemashizha yero yakatsvuka uye mitsipa yakasvibirira, inogona kuonekwa sechirwere chetachiona.

5. Kana pane mavara matsvuku pamashizha ero, uye macula zvishoma nezvishoma necrosis, inogona kuonekwa sehosha yefungal pamashizha.

6. Kana mashizha ejena akasvava kubva kumucheto kweshizha kutanga, asi mitsipa nemitsipa zvichiri zvakajairika, zvinogona kuonekwa sekukuvara kwemidzi kana kukuvara kwefetiraiza.

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