Ads
related to: juniper blight control for trees
Search results
Results From The WOW.Com Content Network
Phomopsis blight of juniper is a foliar disease discovered in 1917 [1] caused by the fungal pathogen Phomopsis juniperovora.The fungus infects new growth of juniper trees or shrubs, i.e. the seedlings or young shoots of mature trees.
The most direct method of control is to exterminate juniper hosts near pear trees, though spores can travel at least 6 km from one host to another. If there is a chance of infection, spraying pear trees with a fungicide in spring and summer (typically a systemic one that is certified as capable of dealing with rust) may help, although this is ...
Removing as many cedar trees within close proximity of an apple orchard will reduce potential sources of inoculum. The closer the tree to the orchard the greater impact removal will have. Removing all junipers within the 4–5 miles (6.5–8 km) would provide complete control of the disease. [10]
Get expert tips on how to prune juniper topiaries, ... 11 Best Topiary Trees and Shrubs for Your Garden. ... To control width, cut side branches back to a junction where secondary stems are ...
Some junipers are susceptible to Gymnosporangium rust disease and can be a serious problem for those people growing apple trees, an alternate host of the disease. Juniper is the exclusive food plant of the larvae of some moths and butterflies, including Bucculatrix inusitata, juniper carpet, Chionodes electella, Chionodes viduella, juniper pug ...
South American leaf blight, caused by the ascomycete Pseudocercospora ulei, [7] [8] [9] also called Microcyclus ulei, [10] ended the cultivation of the rubber tree (Hevea brasiliensis) in South America. [7] On leaf tissue, symptoms of blight are the initial appearance of lesions which rapidly engulf surrounding tissue.