treating rhizosphaera needle cast

In SE Wisconsin? Burn or remove the debris. Spores are dispersed by wind and splashing rainwater and infect newly emerging needles with a soft cuticle as well as mature needles. Since 1968 M&M Tree Care has been providing local professional tree care services to the metro Milwaukee area. Needle Cast on Spruce trees is generally first evident on the innermost needles in the lower canopy. While many of them are healthy and can add wonderful character to yards and landscaping, they do fall prey to the fungal disease Rhizosphaera Needle Cast. Needle cast diseases cause spruce trees to “cast off” their older needles and keep only the young needles at the tips of the branches. Infections should be sprayed with a proper contact fungicide registered for use against this disease. Treating Rhizosphaera Needle Cast should always be done by a professional arborist. In SE Wisconsin, we have primarily seen Rhizosphaera Needle Cast in the Colorado blue spruce, especially in Waukesha and Ozaukee counties. Rhizosphaera needle cast is a fungal disease of spruce trees that causes needles to turn brown and fall off. This promotes increased airflow, which is less favorable for infection and disease development. This genus also infects several conifer species including; fir, cedar, spruce, and pine Needle Cast on Spruce trees is generally first evident on the innermost needles in the lower canopy. Rhizosphaera needle cast is caused by the fungus, Rhizosphaera kalkhoffii. At M&M Tree Care, we’ll treat the tree for the fungus over the course of two years. Trees stressed from drought, poor planting practices or other factors are more likely to suffer from Rhizosphaera needle cast. Trees can be protected from Rhizosphaera needle cast with properly timed fungicide applications. Our Certified Arborists will advise which approach is suitable on a case-by-case basis. © All Rights Reserved. This field is for validation purposes and should be left unchanged. If you look closely you should see rows of small black dots coming through the needle surface. It most commonly affects Colorado Blue Spruce but can infect other Spruce species. Rhizosphaera kalkhoffii overwinters in infected needles, on the tree or ground and are released from the infected needles in the spring. Please indicate how serious of a situation is so we can respond accordingly. This can promote infection. These treatments will not cure existing infections but will prevent additional infections. We have seven ISA certified arborists on our team and we work hard to stay trained and knowledgeable to make sure our customers get the best tree care services in SE Wisconsin. It most commonly affects Colorado Blue Spruce but can infect other Spruce species. What is Needle Cast Disease? At M&M Tree Care, we’ll treat the tree for the fungus over the course of two years. Rhizosphaera needle cast is the most common disease on spruce trees that is received in the Plant and Insect Diagnostic Clinic. Let’s look at this tree disease in depth and how it’s treated here in the Milwaukee Wisconsin area. Rhizosphaera Needle Cast spreads when infected needles and branches fall to the ground and produce spores that can be blown and spread to other healthy trees. If you see signs of disease in your spruce trees, call M&M Tree Care immediately at 414-355-3420. The symptoms of Rhizosphaera Needle Cast are most easily spotted in late autumn through winter and include: The disease typically starts at the base of the tree on inner branches and works its way up as it progresses. But it is also a threat to other conifer trees like white pines, Douglas fir, western hemlock and the Norway spruce. Prolonged wetness, especially in spring, is your spruces nightmare scenario! During the spring, we’ll spray the tree with a copper-containing fungicide designed to keep the rhizosphaera fungus from spreading. Spores require moisture to germinate and infect. This fungal tree disease is caused by the rhizosphaera kalkhoffii fungus. The tree becomes unattractive and may look as though it is dying, but don’t despair. Until help arrives, reduce the risk of spreading the fungus by: Treating Rhizosphaera Needle Cast should always be done by a professional arborist. Extremely busy answering calls, but leave a message and we will call back soon... Needles in the Colorado Blue Spruce trees is generally first evident on the innermost needles in Spruces and casting dropping... An appointment, contact us today: Know someone who would benefit from this?... Below to further explain tree location ( s ) if needed year when new growth develops of. Open spacing when planting or by mowing grass or brush more likely to suffer from Rhizosphaera needle Cast with timed. 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