Characterisation of main pests on pear tree

Description: This protocol presents a visual, non destructive quantification method based on abundance classes for quick monitoring of diseases (pear scab, brown spot disease) and animal pests (codling moth,oriental fruit moth, tortrix moth, scales, pear-bedstraw aphid, pear sawfly, pear psyllid, <i>acaridae</i>, <i>eriophyroidea</i>) on pear tree, at the field scale.