Перегляд вихідного коду сторінки Beware of the Blue Spruce Diseases

Blue Spruce also typically referred to as [http://treesplant.pl/ Caucasian Fir] or Picea Pungens can be a tree from the Picea genus. The tree grows in high altitudes and is commonly found growing nearby the streams in mountain valleys. It is a mid-size tree that stays evergreen all thorough 4 seasons. The typical height of a tree would be about 25-30 meters as well as the bark is usually thin and peeling. The young trees commence with a conic crown that delicately requires a cylindrical shape because the tree matures.


These trees have needle-like leaves having several stomata lines along with a sharp tip. They have got pendulous and cylindrical cones that mature in 5-7 months following the pollination. The tree is admired for its ornamental use. However, as with any plants the tree is vunerable to a number of diseases. For the proper care and healthy growth you need to be knowledgeable about the Blue Spruce Diseases approaches to combat it.
Cytospora Canker of Spruce is regarded as the commonly disease that affects Blue Spruce trees. This complaint is dominant in trees planted at poor sites, diseased trees, weaker trees, stressed trees, trees under environmental duress like freezing temperatures, drought or cause problems etc.
The 1st manifestation of a Blue Spruce tree suffering from Cytospora Canker is because exhibit scattered branch dieback very often begins in the lower branches. Should you view the dead branches closely you'll watch a whitish sticky sap that's produced by the trees as a response to being infected from the Cytospora Canker fungus. This fungus makes its entry to the tree via cracks, twigs, branches, wounds etc in the tree and over a period of time it infects the girdles in the branches making them ultimately die. You'd probably also observe that the dead branches had brown needles.
For Cytospora Canker fungus the most effective policy is prevention as fungicides wouldn't be in a position to assist you to much. The Blue Spruce trees should be planted in clean surrounding with well aerated soil and not way too many trees crowding the area. Regular pruning during dry weather can pun intended, the infection on the beginning too.
Rhizosphaera Needle Cast is another Blue Spruce ailment that is very common. This can be basically a infection in the needle-like leaves from the tree. This infection also initially infects the lower branches and gradually spreads to the whole tree. The 1st symptom is purplish or brownish needles that go away forgetting bare branches. If observed closely you'd find small blackish spots about the infected needles. Winters and wet spring weathers provide the ideal temperature and atmosphere for spreading this infection.