Oregon State University: Fight 'Big Four' Rose Problems With Prevention Strategies
March 03, 2020
March 03, 2020
CORVALLIS, Oregon, March 3 -- Oregon State University issued the following news:
Charmingly mild weather this winter will most likely coax roses into bloom early, which means dealing with the usual diseases and pests earlier, too.
When it comes to one of the country's most popular perennial plants, the "big four" vexations are powdery mildew, black spot, rust and aphids, according to Jay W. Pscheidt, a plant pathology specialist with Oregon State Universi . . .
Charmingly mild weather this winter will most likely coax roses into bloom early, which means dealing with the usual diseases and pests earlier, too.
When it comes to one of the country's most popular perennial plants, the "big four" vexations are powdery mildew, black spot, rust and aphids, according to Jay W. Pscheidt, a plant pathology specialist with Oregon State Universi . . .