Pamene mankhwala ophera tizilombo ochulukirachulukira akuletsedwa ku Switzerland, alimi akuyang'ana njira zachilengedwe m'malo mwa mankhwala wamba. Mukhoza kuthana ndi ntchentche ya karoti ndi anyezi. Khomo likunena www.lid.ch.
Ntchentche ya karoti imawononga mbewu, chifukwa mphutsi zake zimaluma mabowo pamizu ya kaloti.
E. Hermann AG, yomwe ili ku Sarganserland, Switzerland, imagwira ntchito yopanga masamba ndipo imalima kaloti pamahekitala 35 a malo akeawo komanso malo obwereketsa. Woyang'anira famu Benno Herler wakhala akudalira mafuta a anyezi kwa zaka ziwiri tsopano kuti agwiritse ntchito mankhwala otetezera zomera nthawi zambiri monga momwe angathere: amagwira ntchito ngati mankhwala achilengedwe ku ntchentche za karoti. Mlimiyo anaphunzira za njira imeneyi powerenga za kafukufuku wopangidwa m’mafamu achilengedwe ku Netherlands. Zopangira mafuta a anyezi ndi makapisozi zidaperekedwa ndi Andermatt Biocontrol. Ma dispenser 4-6 okhala ndi makapisozi amagawidwa pa hekitala. Makapisozi amatetezedwa ku mvula, ndipo fungo la anyezi limafalikira m'munda kuchokera ku ming'alu kumbali.
Ndikofunikira kuti munda utulutse fungo la anyezi ntchentche zikafika kuchokera m’mbali mwamunda masana. “Ntchentche zimawoneka ngati zikungoyamba kuyenda ndipo sizichita chidwi kwambiri kuikira mazira pansi. Mwachionekere, zambiri zimadaliranso nyengo. Popeza ntchentche za karoti siziyikira mazira pa chomeracho, koma pansi, m'chaka chouma, mazira ambiri amafa. Zaka zamvula zimakonda kukula kwa dzira, "Herler akumaliza ndikuwona kwake.