Tuber melanosporum Vitt. + Quercus

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Literature

references
  Zambonelli A, Salomoni S, Pisi A (1993) Caratterizzazione anatomo-morfologica delle micorrize di Tuber spp. su Quercus pubescens Willd. Micol Ital (3): 73-90.

Morphology

Morphology of the mycorrhizal system
ramification presence-type
  absent
or    monopodial-pinnate
or    monopodial-pyramidal
main axis diameter
0.29 mm    Mean (= average)
rhizomorphs presence
  absent
exploration type
  short distance
Morphology of the unramified ends
shape
  straight
shape {of distal end}
  inflated, club-shaped
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
4.2 mm    Maximum value
diameter
0.23 mm    Mean (= average)
colour
  brown
or    ochre, yellowish brown
very tip colour
  ochre, yellowish brown
or    whitish
older parts colour
  brown
mantle {distinct} surface visibility
  present
mantle laticifers visibility
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  not smooth
mantle surface {in detail} kind
  densely long-spiny
emanating hyphae presence
  present
emanating hyphae abundance
  infrequent
or    abundant
emanating hyphae distribution
  concentrated proximally
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  cystidia
emanating elements cystidia location
  on outer mantle layer
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  pseudoparenchymatous
organisation {if pseudoparenchymatous} cell shape
  epidermoid, puzzle-like, jig-saw-shaped
mantle type
  epidermoid cells (type M)
septa clamps presence
  absent
cell density
5     Minimum value
5.6     Lower value of unspecified range (could be µ-s.d., but not known)
8.1     Upper value of unspecified range (could be µ+s.d., but not known)
10     Maximum value
cell wall with globular thickenings
  absent
cell wall projections presence
  absent
Anatomy of the middle mantle layer
organisation
  pseudoparenchymatous
Anatomy of the inner mantle layer
organisation
  pseudoparenchymatous
septa clamps presence
  absent
Anatomy of the outer mantle layer of the ectormycorrhizal tip
anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation
  pseudoparenchymatous
anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
5     Minimum value
6     Lower value of unspecified range (could be µ-s.d., but not known)
8.6     Upper value of unspecified range (could be µ+s.d., but not known)
10     Maximum value
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
20 µm    Minimum value
25.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
44.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
49 µm    Maximum value
mantle different layers presence
  not discernable
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
8.1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
13 µm    Upper value of unspecified range (could be µ+s.d., but not known)
outer mantle layer hyphae radially diameter
3.6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5.7 µm    Upper value of unspecified range (could be µ+s.d., but not known)
middle mantle layer organisation
  pseudoparenchymatous
inner mantle layer organisation
  pseudoparenchymatous
inner mantle layer hyphae tangentially length
3.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
12.8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
3.4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
8 µm    Upper value of unspecified range (could be µ+s.d., but not known)



Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  in two rows, not reaching endodermis
Anatomy of the mantle in cross-section
mantle different layers presence
  discernible
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
4.3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
7.8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
outer mantle layer hyphae radially diameter
3.4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
middle mantle layer organisation
  pseudoparenchymatous
inner mantle layer organisation
  pseudoparenchymatous
inner mantle layer hyphae tangentially length
4.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
7.2 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
4.3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6.9 µm    Upper value of unspecified range (could be µ+s.d., but not known)



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
  medial
branches ramification presence
  absent
septa presence
  present
septa kind
  simple
diameter {proximal}
3 µm    Minimum value
3.1 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)
4.3 µm    Maximum value
length
225 µm    Minimum value
231 µm    Lower value of unspecified range (could be µ-s.d., but not known)
292 µm    Upper value of unspecified range (could be µ+s.d., but not known)
310 µm    Maximum value
cell wall colour
  yellowish
surface habit
  smooth

Anatomy of emanating hyphae
cell pigment location-colour
  absent


Anatomy of the septa of emanating hyphae
clamps presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell diameter
2 µm    Minimum value
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4.6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
6.1 µm    Maximum value
anatomy emanating elements emanating hyphae cell wall surface habit
  rough of warts


Anatomy of rhizomorphs
type
  lacking, only emanating hyphae present
(type G)

Anatomy of hyphae in rhizomorphs

Ecology

geographic occurrence continent
  Europe
knowledge about association with foreign fruitbodies presence
  unknown

Tree

plant family
  Fagaceae
plant genus
  Quercus
plant habitat kind
  nursery

Fungus

family
  Tuberaceae
fruitbodies growth habit
  hypogeous

Remarks

public notes
  Mycorrhizal ends ochre-brown, very tips whitish ochre; cells of middle and inner mantle layers in plan view epidermoid; Hartig net in cross-section 1-3 cortical cell layers deep.

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