Ubuziranenge Bwiza Bugurisha Ibirango Byibanze Amavuta ya firigo yamavuta y'urushinge
Amavuta y'urushinge rwa firimu yatandukanijwe n'inshinge za Abies balsamea kavukire muri Kanada no mumajyaruguru ya Amerika. Izamura imyuka kandi ifasha kuzana ubworoherane. Cyakora igitangaza cyiza kubutaka bwa spray.
Andika ubutumwa bwawe hano hanyuma utwohereze