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Mountain pine beetle


The mountain pine beetle Dendroctonus ponderosae, is a species of bark beetle native to the ... The beetles introduce blue stain fungus into the sapwood that prevents the tree from repelling and kil...

Copper Fungicide Used to Kill Blue Mold in Evergreen Trees | Home ...


Blue molds are members of the Penicillium species of fungi. Some types are also referred to as powdery mildew, downy mildew or sooty mold. These fungi host ...

What can I do about this mold on my trees and shrubs? - Ask an Expert


Jul 2, 2015 ... There is a blue/gray mold on my trees and shrubs throughout my yard. ... Is there any way i can remove this mold without killing my trees?

Needle Cast Diseases of Spruce: Diagnosis and Treatment (6/2/11 ...


Oct 29, 2013 ... Rhizosphaera needle cast (caused by the fungus Rhizosphaera kalkhoffii) primarily infects Colorado blue spruce, while Stigmina needle cast ...

Tree and Shrub Diseases | Arbortech Tree Specialists


Fungus diseases can affect the roots, leaves and needles, trunks and vascular ... Feeding and Aeration stations will help eliminate tree failure and secondary problems ... Verticillium is a fungal disease of many species of trees, shrubs and crops. ... that primarily affects Spruce trees, such as Blue, Norway and White Spruce.

Evergreen Diseases - S3 amazonaws com


In canker form Sphaeropsis affects blue Atlas cedar suffering from salt and ... On Scotch pine you will see cankers that girdle and kill branches up to one inch in ..... may see gray mold as a blossom blight, which can spread to adjacent leaves  ...

How To Get Rid Of Sooty Mold - Gardening Know How


Jan 17, 2014 ... If your plant has started to look like it has been spending time sitting next to a fire and is now covered in a black soot, chances are your plant is ...

Evergreen Trees: Everything you Ever Wanted to Know | Fast ...


Evergreens are trees that have foliage year round. ... These trees are usually grown as 'Christmas Trees,' especially the Blue and Norway varieties. ... This issue can also be resolved by pressure washing your bamboo to remove the mold.

Master Gardener - Lichen may signal more serious problems


Jan 28, 2010 ... When lichens are found growing on trees or shrubs, it may simply be ... The only cure for compacted soil is deep cultivation and the addition of ...

Borers of Pines and Other Needle Bearing Evergreens in Landscapes


Apr 4, 2016 ... poisons that can kill many of the infectious diseases that can be spread by borers ... declining trees, carrying a blue-stain fungus that attacks the.

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How to Care for a Diseased Blue Spruce Tree | Home Guides | SF ...


The blue spruce tree (Picea pungens), named for its sharp-ended needles, is a coniferous evergreen member of the pine ... but drain trees of nutrients and may attract mold due to the abundance of honeydew. ... Beetles, such as twig, spruce and engraver beetles, make a series of holes in the branches and trunks of trees.

Questions On Evergreen


He felt the problem was a fungus and said I could wait until spring to spray or do it in the fall. I sprayed them last ... I suggest removing the trees. If you replant ... Q: I noticed a few branches on one of our evergreens have turned red. Could it be due ..... There is a blue spruce very close to it and several other pines in the yar...

Landscaping to Eliminate Mold Spores - Thomas Leo Ogren


Landscaping to Eliminate Allergenic Mold Spores ... I continually see the flat out dumb practice of planting tall evergreen trees and shrubs on the South sides of ...