Rose rosette is a devastating disease of most species of garden roses, including hybrid and shrub roses. Rose rosette disease has spread from the Rocky Mountains to the East Coast over several decades and is poised to obliterate the rose industry. To date, there is no known effective treatment. Rose rosette is caused by an […]
Archive for the ‘rose virus’ Category
War On Aphids
Aphids are pests that feed on many kinds of garden plants. These tiny insects wreak massive destruction in multiple ways. There are many different kinds (and colors) of aphids. They’re small, 1/16 inch more or less, and feed on plant sap to obtain nutrients. In greenhouses they reproduce without mating; […]
Preventing Disease Outbreaks In The Garden
When a sick plant has been diagnosed with a viral or bacterial disease, your only option is to remove the diseased branch by pruning or destroy the entire plant. You should start out by practicing prevention. Prevention is adopting good cultural and sanitation practices. Consider the following measures: Start with disease-free […]
Don’t Let’em Sucker
Some grafted and budded shrubs and trees develop a bad habit to sending up shoots (suckering) from its rootsystem. This creates an untidy appearance around the base of shrubs and trees. Far worse, the root suckers may compete for domination over the cultivar graft. They may rob photosynthate, water and nutrients from the grafted plant. Eventually, the grafted portion may die. Gardeners select grafted plants for a number […]
Dreaded Rose Rosette Disease
No rose is resistant to this deadly virus disease. Symptoms of rose rosette disease (photo) vary greatly from the species or cultivar planted. Leaves may be small, distorted, and exhibit a conspicuous red pigmentation. Diseased canes may also be noticeably thicker than others around them, and/or may grow in a spiral pattern. Multi-flora roses, a […]