Lattice rust of the pear tree, beginning of attack.
Lattice Rust
Pear trellis rust, beginning of attack
The underside has orange pustules that later turn gray. It is not too dangerous a disease, but if the contamination is important, the harvest can be compromised, and the leaves turn black and fall. To be treated with the usual sprays against rust. Never Bordeaux mixture phytotoxic for the pear tree . The horsetail decoction gives good results.
Pear trellis rust
