Pirimicarb resistance suspected in WA

Updated March 10 2016 - 1:30pm, first published December 15 2010 - 2:50pm
A winged, adult green peach aphid (GPA).
A winged, adult green peach aphid (GPA).

Growers are warned that pirimicarb may fail to control green peach aphids (GPA), with preliminary tests indicating some Western Australian populations may have developed resistance to the important insecticide.

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