Figure 5.
Karaka Ōkahu purepure virus diagnostic test results from 258 trees. Symptomatic and asymptomatic leaves were tested from 115 symptomatic trees and asymptomatic leaves were tested from 143 asymptomatic trees. a RT-PCR positive from a symptomatic leaf; b RT-PCR negative from a symptomatic leaf; c RT-PCR positive from an asymptomatic leaf taken from a symptomatic tree; d RT-PCR negative from an asymptomatic leaf taken from a symptomatic tree; e RT-PCR positive from an asymptomatic leaf taken from an asymptomatic tree; f RT-PCR negative from an asymptomatic leaf taken from an asymptomatic tree. na, not applicable.