Tsvuku tsvuku ndiyo inokosha yekuchengetedza chirwere chembatata.Inokonzerwa nechirwere che Phytophthora, Phytophthora, uye chinowanikwa munzvimbo dzinorimwa mbatatisi pasi rose.
Utachiona uhu hunoberekana muvhu rakazara, saka chirwere ichi chinowanzobatanidzwa neminda yakadzikira kana nzvimbo dzisina mvura.Chiitiko chechirwere chepamusoro pane tembiricha dziri pakati pe70°F ne85°F.
Unogona kusaona kuora kwepingi kusati kwakohwewa kana kuchengetwa kwetuber, asi kunotangira mumunda.Utachiona hunowanzobva kune zvakabatanidzwa netsoka, asi zvinogonawo kuitika mumaziso kana maronda.Pink rot inogona zvakare kupararira kubva kumachubhu kuenda kumachubhu panguva yekuchengetedza.
Sezvinoita utachiona hwekunonoka blight (Phytophthora infestans) nekubuda (Pythium lethal), chirwere chepink chinoora ifungus-like oomycete, kwete "chaiyo" fungus.
Nei tichifanira kuva nehanya?Nekuti kemikari kutonga kwefungal pathogens kazhinji haishande kune oomycetes.Izvi zvinomisa sarudzo dzekutonga kwemakemikari.
Mishonga yefungidzi yeoomycete inowanzoshandiswa pakurapa kuora kwepinki ndeye mefenfloxacin (seRidomil Gold kubva kuSyngenta, Ultra Flourish kubva kuNuffam) uye metalaxyl (seMetaStar kubva kuLG Life Sciences).Metalaxyl inozivikanwawo se metalaxyl-M, inove kemikari yakafanana ne metalaxyl.
Iyo label ye phosphoric acid inoreva dzakasiyana nguva dzekushandisa uye nzira.MuPacific Northwest, tinokurudzira kushandiswa kwemashizha matatu kusvika mana, kutanga nehukuru hwe tuber uye kukura kwekona.
Phosphoric acid inogona zvakare kushandiswa semushonga mushure mekukohwa mushure mekunge machubhu apinda mudura.Mamwe mafungicides anoshandiswa kudzora kuora kwepink ifentrazone (somuenzaniso, Ranman kubva kuSummit Agro), oxatipyrine (somuenzaniso, Orondis inobva kuSyngenta), uye flufentrazone (somuenzaniso, Valent USA Presidio).
Verenga chigadzirwa label nekungwarira uye bvunza nyanzvi dzemuno nezve mutengo wakanakisa uye kuronga kwaunogara.
Nehurombo, mamwe maRhodopseudomonas anoramba kune metalaxyl.Kuramba zvinodhaka kwakasimbiswa munzvimbo dzinorimwa mbatatisi muUnited States neCanada.Izvi zvinoreva kuti vamwe varimi vangada kufunga nezvedzimwe nzira dzekudzora kuora kwepink, sekushandisa phosphoric acid.
Unoziva sei kana papurazi rako paine metalaxyl-resistant pink rot isolates?Endesa sampuli yetuber kurabhoritari yekuongorora chirimwa uye uvakumbire kuti vaite ongororo ye metalaxyl sensitivity-tuber inofanira kuratidza zviratidzo zvekuora kwepingi.
Dzimwe nzvimbo dzakaongororwa kuona kupararira kwepink rot isingauraye mishonga.Tichaita ongororo gore rino muWashington, Oregon neIdaho.
Tinokumbira varimi muPacific Northwest kuti vatarise zviratidzo zvekuora kwepink pakukohwa kana kuongorora kuchengetedza, uye kana zvikawanikwa, titumire kwatiri.Iyi sevhisi ndeyemahara, nekuti mutengo webvunzo unobhadharwa kubva kune rubatsiro kubva kuNorthwest Potato Research Association.
Carrie Huffman Wohleb ishamwari purofesa/nyanzvi yedunhu mumbatatisi, muriwo nembeu zvirimwa paWashington State University.Ona nyaya dzese dzevanyori pano.