Tuber puberulum Berk. & Br. + Picea

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Literature

references
  Blaschke H (1987) Vorkommen und Charakterisierung der Ektomykorrhizaassoziation Tuber puberulum mit Picea abies. Z Mykol 53: 283-288.
Blaschke H (1988) Tuber puberulum. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 22, Einhorn-Verlag, Schwäbisch Gmünd.

Morphology

Morphology of the mycorrhizal system
length
1 mm    Lower value of unspecified range (could be µ-s.d., but not known)
5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  monopodial-pyramidal
ramification orders
0     Lower value of unspecified range (could be µ-s.d., but not known)
1     Upper value of unspecified range (could be µ+s.d., but not known)
abundance
  solitary or in small numbers
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  absent
or    present
rhizomorphs frequency
  infrequent
exploration type
  short distance
Morphology of the unramified ends
shape
  straight
shape {of distal end}
  not inflated, cylindric
diameter
0.4 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  brown
or    yellow
very tip colour
  whitish
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in detail} kind
  densely short-spiny
Morphology of rhizomorphs
diameter
0.01 mm    Mean (= average)
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
or    cystidia
emanating elements cystidia location
  on outer mantle layer
blue granules presence
  absent
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
and    pseudoparenchymatous
organisation {if pseudoparenchymatous} cell shape
  epidermoid, puzzle-like, jig-saw-shaped
mantle type
  hyphae arranged net-like, with prominent cystidia (type D)
and    epidermoid cells (type M)
hyphal system kind
  undifferentiated
septa clamps presence
  absent
cell diameter
2.4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4.8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall with globular thickenings
  absent
cell wall surface habit
  smooth
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
hyphae arrangement
  plectenchymatous, without pattern
Anatomy of the inner mantle layer
septa clamps presence
  absent
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
25 µm    Lower value of unspecified range (could be µ-s.d., but not known)
30 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mantle different layers presence
  discernable
outer mantle layer organisation
  plectenchymatous
middle mantle layer organisation
  pseudoparenchymatous
inner mantle layer organisation
  pseudoparenchymatous

Anatomy of the tannin cells in longitudinal section
presence
  present
rows number
1     Lower value of unspecified range (could be µ-s.d., but not known)
2     Upper value of unspecified range (could be µ+s.d., but not known)


Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  protruding towards endodermis
Anatomy of the mantle in cross-section
mantle different layers presence
  discernible

Anatomy of the tannin cells in cross-section
presence
  present
rows number
1     Lower value of unspecified range (could be µ-s.d., but not known)
2     Upper value of unspecified range (could be µ+s.d., but not known)
shape
  tangentially-oval to tangentially-elliptic


Anatomy of the Hartig net in cross-section
anatomy mantle cross-section hyphal cells around tannin cells shape
  roundish
anatomy mantle cross-section hyphal rows around tannin cells number
  one
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
Anatomy of cystidia

Anatomy of cystidia (type 1)
type
  awl-shaped, bristle-like (type A)
ramification presence-position
  absent
septa presence
  present
septa kind
  simple
diameter {proximal}
3.8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4.2 µm    Upper value of unspecified range (could be µ+s.d., but not known)
diameter {distal}
1.6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.1 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
80 µm    Lower value of unspecified range (could be µ-s.d., but not known)
120 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall colour
  absent
cell wall thickness
0.2 µm    Mean (= average)
cell wall evenness
  even in thickness
surface habit
  smooth
contents presence
  absent
contents type
  absent

Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
clamps presence
  absent




Anatomy of rhizomorphs
type
  undifferentiated; hyphae rather loosely woven and of uniform diameter
(type A)
or    lacking, only emanating hyphae present
(type G)

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
{in foreign ectomycorrhizae} presence
  absent
{of foreign origin} presence
  absent

Ecology

substrate
  in organic layer
or    in decaying wood
geographic occurrence continent
  Europe

Tree

plant family
  Pinaceae
plant genus
  Picea
plant habitat kind
  forests, woods

Fungus

family
  Tuberaceae
fruitbodies growth habit
  hypogeous

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