The shoots are given to the quarantine services, which confirm or refute the presence of bacteria of the genus Ervina. For this are used such methods: Clement reaction, Gram stain or molecular methods.
Shina hupewa huduma za karantini, ambazo zinathibitisha au kukanusha uwepo wa bakteria wa jenasi Ervina. Kwa hili hutumiwa njia hizo: mmenyuko wa Clement, Gram stain au mbinu za Masi.