Varimi vese vanoziva kuti zvirwere zvecitrus uye zvipembenene zvinonyanya kunyura mukati menguva yekupfura, uye kudzivirira nenguva uye kutonga panguva ino kunogona kuita kuwanda. Kana kudzivirira uye kudzora mukutanga kwechirimo isiri nguva, zvipembenene nezvirwere zvichaitika munzvimbo yakakura gore rose. Nokudaro, zvinonyanya kukosha kuita basa rakanaka mukudzivirira uye kutonga kwematsutso emvura.
Nguva nhatu dzechirimo nhungirwa dzecitrus scab ndiyo yakanakisa juncture yekudzivirira uye kurapwa kwecitrus scab. Nguva yekutanga ndeye apo chitubu buds ye citrus inokura kusvika 1-2 mm. Kechipiri ndipo apo maruva ecitrus ari maviri kubva muzvitatu kubva. Kechitatu ndipo apo michero midiki nebhinzi zvakura.
Kudzivirira uye kurapwa: 60% zomidyson musanganiswa, 20% thiophanate mhangura.
Citrus anthracnose Citrus anthracnose inonyanya kukuvadza mashizha, zvichiita kuti pave nenhamba yakawanda yemashizha.
Kana kunaya kwakawanda muchirimo, ndiyo nguva yepamusoro yechirwere. Yakasanganiswa nekuchekerera matavi ane chirwere, kupfapfaidza kamwe muchirimo, zhizha uye matsutso nhungirwa, uye michero midiki inofanira kupfapfaidzwa kamwe chete mushure memavhiki maviri mushure mekutumbuka, 2 kusvika katatu mumutsara.
kukuvara kwezvibereko
Kudzivirira uye kurapwa: Difenoconazole, Mancozeb, Methyl thiophanate, Mancozeb, nezvimwe.
citrus canker
Citrus canker uye canker zvose zvirwere zvebhakitiriya. Kana mabukira matsva angodzurwa kana kuti nhungirwa itsva dzave 2 kusvika 3 cm, dzinofanira kudzorwa kaviri kana katatu, nechinguvana chemazuva gumi, kusvika nhungirwa itsva dzakura.
Kudzora: Kasugamycin, Copper Thiobium.
Nguva yekutumira: Oct-21-2022