Abahanga bo muri Cabi, kaminuza ya Wageningen n'Ikigo cy'ubushakashatsi bwa Zari, hamwe n'umwanditsi uyobora Lena Durose Granger, baherutse gutangazwa mu kinyamakuru siyanse no gukwirakwiza paritari yibanze.
Ubuvumbuzi bwabo buzana amakuru meza kubikorwa byo kugenzura ibinyabuzima, kubera ko ibisubizo byerekana ubushobozi bwo kongera umubare wabanzi basanzwe bo mu gihome cyaciwe (inyo yizuba). Kandi rero, hari uburyo butekanye kandi bufatika bwo kurwanya udukoko ko abahinzi bato bashobora gukoresha mu bihingwa byabo.
Amoko ateye abanyamahanga agera mubidukikije nta banzi kareshya kandi, bityo, agera ku buntu, atera abahinzi bake ku bahinzi bake mu bihugu biri mu mahanga ndetse no hagati.
Ikigongo kibisi, igitero giteye ibihingwa, utuye muri Amerika y'Amajyaruguru no mu majyaruguru no mu majyaruguru, yageze muri Afurika muri 2016 kandi kuva yangiza ibintu bikomeye ku bigori n'indi mico ku mugabane w'ibigori n'indi mico. Kurugero, abahinzi b'ibigori babuze impuzandengo yimyaka 26.6% muri Gana na 35% muri Zambiya kubera iyi mpanere.
Niyo mpamvu gusobanukirwa biocontrol ari ngombwa. Kuri ibi, itsinda ry'abashakashatsi bayobowe na Cabi bakoze imirimo kugira ngo bamenye parasititoide yaho yibasiye "inyo y'imihindo" muri Zambiya. Basubiyemo amagi na liswi, batsinze ibigori by'ibigori mu gihe cy'imvura yo muri 2018-2019 ahantu hane muri Lusaka no mu Ntara yo hagati ya Zambiya kugira ngo babone parasitiyo.
Muri rusange, 4373 livrvae n'amagi 162 byakusanyijwe. Kuri buri rubuga nitariki yo gukusanya, umubare wibihingwa byagaragaye byanditswe, umubare wibimera byemejwe hamwe ninshinga kubisesengura ibintu byiza bisobanura isura yumwanzi karemano. Abahanga bavumbuye ko muri rusange urwego rwa parasitimu rwabanzi karemano muri buri mwanya biratandukanye na 8.45% kugeza 33.11%.
Bamenye ubwoko 12 butandukanye bwa parasitiziide nimpamvu bigira ingaruka kuri parasitiide. Kubera iyo mpamvu, 4 ibintu byingenzi byatanzwe:
- Ikibanza
- Icyiciro cyo gukura kw'ibigori,
- ubucucike
- Lichwater stage.
Ubuvumbuzi butunguranye bwari impinduka mu gihe cya parasisioide mugihe cy'urugomo. Mugihe cyicyiciro cyanyuma cyibigori byera (amababi 11-12, kugenda no gukuramo), byombi byabaye hamwe numubare wa parasitoide.
Ubushakashatsi bwerekana akamaro ko gusobanukirwa ibintu byihuse nigihe bitewe no gushyiraho abanzi basanzwe. Ni ukuri cyane ko gukoresha ibinyabuzima no guteza imbere uburyo bw'abinyabuzima no guteza imbere uburyo bw'akazi bwo kurwanya ibyiciro byihariye by'udukoko twapimwe no kongera umubare w'abaturage ndetse no mu bidukikije mu buhinzi muri Afurika.
Ubushakashatsi bukurikira bukenewe kugira ngo hamenyekane ubwoko bw'ubwo buryo bwa parasitike, urugero, no kumenyekanisha molekari na morfulogiya no ku mirimo ya mbere kandi y'ingenzi.
(Inkomoko nifoto: Amakuru.agropage.com).