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Artists fungus

VIEWS: 5 PAGES: 6

  • pg 1
									Artists fungus

By :clarissa dagg
                     Artists fungus
• it’s bright white underside was used as a canvas for painters which
  gave it the name artists fungus
• The upper portion of this fungus is either reddish brown or cocoa
  brown in color and may reach 45 cm (18 inches) across but most
  are in the 15-30 cm (6-12 inches) range. The lower surface when
  young and in rapid growth is a pure white which turns dark brown
  with age or injury. Its shape is like a fan whose handle grows from
  the trunk of the tree, or like a kidney. The body near the tree is the
  thickest and narrows down toward the outer edge, a wedge
  composed of layers representing each year's growth; the oldest
  tissue is found on the top, the youngest below. By counting the
  layers like the rings of a tree, the age of the fungus can be
  determined. The average life span is five years but some old
  Ganoderma may reach ten years
      How artists fungi is spread
• Because of this massive output of spores, the species could
  conceivably germinate in every suitable spot in a forest. It is thus
  difficult to imagine that in the life of a given Ganoderma, only one of
  its spores will ultimately be successful in establishing a new colony.
  For successful colonization of a tree, the spore must fall within a
  large wound, such as a broken root or broken branch, and the wind-
  borne spores will rarely travel more than half a mile from its parent
  through a dense woods before depositing on some surface.
• After the spore nestles into a tree wound, the fungus germinates and
  begins to spread into the wood. The fungus can only move through
  the heartwood and outward through the sapwood if the wood in
  these areas is already partly rotted by other species of wood-rotting
  fungi or bacteria. After emerging through the bark, the Ganoderma
  produces the broadly attached, woody fruit body in which the spore
  tubes form.

								
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