FightingFusarium #OnionCrops #IPM #Fungus #CropRotation #SoilSterilization
Fusarium basal rot, inokonzerwa nefungus Fusarium oxysporum f. sp. cepae, chirwere chakaipisisa chinokanganisa zvirimwa zvehanyanisi pasi rose. Chirwere ichi chinorwisa midzi ne basal plate yehanyanisi, zvokonzera kusvava nekuzouraya chirimwa. Fusarium basal rot inogona kunetsa kuona, uye kana ichinge yabata mumunda, inogona kuramba iri muvhu kwemakore akawanda, zvichiita kuti ive dambudziko guru pakurimwa kwehanyanisi.
Kuvandudzwa kweFusarium basal rot kunokanganiswa nezvinhu zvakati wandei, zvinosanganisira tembiricha, hunyoro hwevhu, uye ivhu pH. Iyo fungus inogona kurarama muvhu kana marara ekudyara kwenguva yakareba uye inogona kupararira kuburikidza nevhu rine hutachiona, zvinhu zvezvirimwa, uye kunyange midziyo yakasvibiswa. Chirwere ichi chinogona zvakare kuiswa muminda kuburikidza nembeu ine utachiona.
Mhedzisiro yeFusarium basal rot inosanganisira kuderedzwa kwegoho rehanyanisi uye mhando, kuwedzera kwemitengo yekugadzira, uye kurasikirwa kwemusika. Kushandiswa kwemakemikari fungicides kunogona kubatsira kubata chirwere ichi, asi haisi nguva dzose inoshanda, uye kune njodzi yekuramba kwefungicide inokura nekufamba kwenguva.
Kurwisa Fusarium basal rot, nzira dzakabatanidzwa dzepest management (IPM) dzinokurudzirwa, kusanganisira kushandisa mbeu dzehanyanisi dzisingamiri, kutenderedza mbesa, uye kuvharisa ivhu. Varimi vanofanirawo kudzidzira nzira dzehutsanana kuitira kudzivirira kupararira kwechirwere ichi uye kutarisisa mbesa dzavo kuti hadzina zviratidzo here.
Mukupedzisa, Fusarium basal rot inotyisa zvikuru pakugadzirwa kwehanyanisi, asi nemaitiro akanaka ekutonga, inogona kudzorwa. Nekunzwisisa zvinhu zvinokonzeresa kukura kwechirwere uye kushandisa nzira dzinoshanda dzeIPM, varimi vanogona kuderedza kukanganiswa kweFusarium basal rot pazvirimwa zvavo.