Ennomologiste yo muri kaminuza ya Grand Durados muri Berezile yasanze ishimishije ingwate iyo ivanze nica udukoko dusanzwe, kunoza cyane kurwana kurwanya ibigori.
Ibi byagabanije ibyangijwe no kubiba ibigori ku mbuga zose zigera kuri umunani muri Mata Grosu-Du-Sul, muri Serrado ishinzwe Ubuhinzi muri Berezile.
Kurwanya ibigori byasobanuwe (SpodPtera Frugiperda) bigenda bigorana kubera ubwiyongere bwica udukoko hamwe na bacillus yahinduwe (BT).
Muri ubu bushakashatsi, uburyo bwose bwageragejwe no gutera noctovi ikurura ®c metomyl udukoko.
Ubushakashatsi bwakozwe ku mirima y'ibigori mu bucuruzi, ku mico idafite iby na BT, mu myaka ibiri y'ubuhinzi (2018 na 2019) ku rubuga umunani bagabanijwe mu majyepfo ya Matu Grosu do Sul, muri Burezili.
Ubuvuzi butandatu bukurikira bwakoreshejwe: Gutera imirongo ikomeza buri 100, 50 na 25 m; Igihe kitera buri m 25; kugenzura (udakoresheje udukoko); no gutera akajagari kose udukoko (kugenzura neza).
Ibiryo byokurya bifitanye isano na molekide ya molekide yakoreshejwe mu gihingwa ku cyiciro cy'ibimera v1 na v3, kandi ubunini bw'abaturage bakuru bwagereranijwe kandi urwego rwangiza ku nkombe zatewe n'inyenzi.
Gukoresha ibyambo byuburozi hamwe nintera iri munsi cyangwa bingana na m 50 byagabanije cyane ijanisha ryijangizo ku bimera, kandi ingaruka zakomeye kubihingwa BT.
Abahanga bemeza ko kugenzura abaturage bakuze bishobora kuba byiza niba uburyo bwo gukurura no kugabana udukoko twangiza ibigori byugarije ibigori byugarije ibigori bya Berezile birenga 90%.
Ikiranga cyatanzwe na sosiyete ishingiye ku bidukikije Isca, Inc. Koresha imyitwarire y'amoko agenewe udukoko.
ISCA yateje imbere kandi ikora iki gicuruzwa cya Noctovi kugirango ikwirakwize vuba muri Berezile.
(Inkomoko: www.ccrinet.org).