Rust in roses.
Emergence and spread of rust in roses helps dry and hot weather. On the underside of the leaves, petioles, sepals and fruits diseased roses appear orange-rusty pads summer spores. By the beginning of autumn in the fungus-causing snow rust appear black spores on the underside of leaves.
Affected leaves roses rust yellow, die and fall off; shoots stunted. At the first sign of rust patients rose sprayed with Bordeaux mixture (1%), if necessary, repeat spraying after 10 days. As the appearance of rust on roses pads may be periodically spray the plants of copper oxychloride or copper-soap solution (in 10 days).
Affected by a fungus leaf litter were collected and burned. In autumn and spring shoots patients roses pruned and destroyed, the soil dug in the rose garden. Spring bushes and the soil around the roses sprayed with Vitriol (3-5%).