kudya blight kunokonzerwa nePhytophthora infestans chimwe chezvirwere zvinoparadza zvirimwa zvinokanganisa kurima pasi rose. Chinyorwa chino chine donzvo rekupa muono wemamirire nekukura kwechirwere ichi, pamwe nemigumisiro yacho kuvarimi neindasitiri yezvekurima.
Late blight chirwere chinotapuriranwa zvikuru uye chinokanganisa zvirimwa zvakaita sembatatisi nematomatisi. Sekureva kwazvino data kubva kuFood and Agriculture Organisation yeUnited Nations (FAO), kurasikirwa kwegoho rembatatisi pasi rose kunokonzerwa nekunonoka blight kunofungidzirwa kuita 20%. Chirwere ichi chinogona kupararira nekukasika uye kukonzera kukanganisa kwakanyanya pazvirimwa, zvichikonzera kurasikirwa kukuru kwehupfumi kuvarimi neindasitiri yezvekurima.
Phytophthora infestans, hosha inokonzera blight kunonoka, inobudirira munzvimbo inotonhorera uye ine mwando, zvichiita kuti ive dambudziko guru munzvimbo dzine mamiriro ekunze emvura. Inotapurira zvirimwa kuburikidza nespores inogona kutapurirwa kuburikidza nemhepo, mvura, uye nehutachiona zvinhu zvechirimwa. Kana ichinge yabata chirimwa, inokwanisa kupararira nekukasika, zvichiita kuti mashizha aite yero nekusviba, zvozoita kuti chirimwa chife.
Kudzivirira uye kugadzirisa kunonoka kuparara, varimi nemasaenzi ezvekurima vanofanirwa kuita matanho akadai sekuchinjanisa zvirimwa, kushandiswa kwembesa dzisingachinji, uye kushandisa fungicides panguva. Kuvandudzwa kwembesa dzisingachinji kunonyanya kukosha sezvo kunopa mhinduro yenguva refu kudambudziko, kuderedza kuvimba nemishonga inouraya fungi uye kusimudzira kurima kwakasimba.
Mukupedzisa, kunonoka blight kunokonzerwa nePhytophthora infestans injodzi huru mukuchengetedzeka kwechikafu chepasi rose uye kuenderera mberi kwekurima. Zvakakosha kuti varimi, maagronomists, mainjiniya ezvekurima, varidzi vemapurazi, uye masayendisiti ashande pamwe chete kudzivirira, kutonga uye kuderedza mhedzisiro yechirwere ichi pazvirimwa neindasitiri yezvekurima.
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