Cenococcum geophilum Fr. + Pinus

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Literature

references
  Brunner I (1987) Pilzökologische Untersuchungen in Wiesen und Brachland in der Nordschweiz (Schaffhauser Jura). Veröff Geobot Inst Eidg Techn Hochsch Stiftung Rübel Zürich 92: 1-241.
Ingleby K, Mason PA, Last FT, Fleming LV(1990) Identification of ectomycorrhizas. ITE Research Publication no. 5. HMSO, London.
Menge JA, Grand LF (1981) Mycorrhizae of 11-year-old Pinus taeda L. planatations in North Carolina. J Elisha Mitchell Sci Soc 97(1): 55-66.
Uhl M (1988) Identifizierung und Charakterisierung von Ektomykorrhizen an Pinus silvestris und von Ektomykorrhizen aus der Gattung Tricholoma. Dissertation, Uni München.

Morphology

Morphology of the mycorrhizal system
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  absent
or    dichotomous
ramification orders
0     Mean (= average)
1     Maximum value
abundance
  solitary or in small numbers
main axis diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  absent
exploration type
  short distance
Morphology of the unramified ends
shape
  straight
shape {of distal end}
  not inflated, cylindric
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
diameter
0.3 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
  black
very tip colour
  black
older parts colour
  black
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in detail} kind
  densely woolly
or    loosely woolly
emanating hyphae presence
  present
emanating hyphae abundance
  abundant
emanating hyphae distribution
  not specifically distributed
or    concentrated distally
Morphology of sclerotia
presence
  present
abundance
  infrequent
shape
  globular
diameter
0.4 mm    Lower value of unspecified range (could be µ-s.d., but not known)
2 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  black
formation location
  on single hyphae or in the soil

Anatomy

Anatomical features of the entire mycorrhiza
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
mantle type
  hyphae star-like arranged and tightly glued together (type G)
septa clamps presence
  absent
cell pigment location-colour
  membranaceously brownish
and    membranaceously blackish
cell diameter
3 µm    Minimum value
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)
25 µm    Maximum value
cell length
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
0.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall surface habit
  smooth
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
hyphae arrangement
  plectenchymatous, star-like
Anatomy of the inner mantle layer
hyphae arrangement
  without pattern
septa clamps presence
  absent
cell pigment location-colour
  absent
cell diameter
3 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 mantle in longitudinal section
mantle thickness {apart from tip}
10 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mantle different layers presence
  discernable
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
15 µm    Upper value of unspecified range (could be µ+s.d., but not known)
outer mantle layer hyphae radially diameter
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)
inner mantle layer organisation
  pseudoparenchymatous
inner mantle layer hyphae tangentially length
7 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
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)

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)
3     Upper value of unspecified range (could be µ+s.d., but not known)
shape
  tangentially-oval to -elliptic or -cylindrical, and oriented obliquely
or    tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis
tangentially length
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
60 µm    Upper value of unspecified range (could be µ+s.d., but not known)
radially diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mean tangenial length TCt
41.4 µm    Mean (= average)
mean shape-ratio TCq
5.5     Mean (= average)

Anatomy of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells shape
  tangentially-oval to -elliptic or -cylindrical, and oriented obliquely
or    tangentially-oval to -elliptic or -cylindrical, and oriented in parallel to root axis
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
15 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
34.7 µm    Mean (= average)

Anatomy of the Hartig net in longitudinal section
anatomy mantle longitudinal section hyphal cells around tannin cells thickness
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)
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2 µm    Upper value of unspecified range (could be µ+s.d., but not known)
structure {in plan view}
  of palmetti type
lobes width
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of the mantle in cross-section
mantle different layers presence
  discernible
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)
outer mantle layer hyphae radially diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
7 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer organisation
  pseudoparenchymatous
inner mantle layer hyphae tangentially length
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
3 µm    Minimum value
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
unlayered mantle hyphae radially diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)

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)
3     Upper value of unspecified range (could be µ+s.d., but not known)
shape
  tangentially-oval to tangentially-elliptic
tangentially length
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
radially diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mean tangential length TCt
31.4 µm    Mean (= average)
mean shape-ratio TCq
4.2     Mean (= average)

Anatomy of the cortical cells in cross-section
anatomy mantle cross-section cortical (epidermal) cells shape
  round
or    radially-oval to -elliptic
or    tangentially-oval to tangentially-elliptic
anatomy mantle cross-section cortical (epidermal) cells tangentially length
25 µm    Lower value of unspecified range (could be µ-s.d., but not known)
55 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section cortical (epidermal) cells radially diameter
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
37.5 µm    Mean (= average)
anatomy mantle cross-section cortical (epidermal) cells mean shape-ratio CCq
1.1     Mean (= average)

Anatomy of the Hartig net in cross-section
presence
  present
kind
  protruding towards endodermis
anatomy mantle cross-section hyphal cells around tannin cells shape
  roundish
or    cylindrical
anatomy mantle cross-section hyphal cells around tannin cells thickness
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
7 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section hyphal rows around tannin cells number
  one
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
or    cylindrical
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
intrahyphal hyphae presence
  present
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  straight
cell pigment location-colour
  membranaceously brownish
pigment presence-distribution
  approximately evenly distributed
drops of exuded pigment presence
  absent


Anatomy of the septa of emanating hyphae
clamps presence
  absent
clamps hole presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape
  even
anatomy emanating elements emanating hyphae cell shape {at distal end}
  simple
anatomy emanating elements emanating hyphae cell diameter
4 µm    Minimum value
5 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)
10 µm    Maximum value
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    rough of warts
anatomy emanating elements emanating hyphae cell wall surface structures shape
  hemispherical warts
anatomy emanating elements emanating hyphae cell wall thickness
0.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy emanating elements emanating hyphae cell wall thickness at tip {relative to remaining cell wall}
  thinner


Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs
Anatomy of sclerotia
internal structure organisation
  pseudoparenchymatous with angular cells
center structure habit
  compactly filled
Anatomy of nuclei
number {per cell}
1     Mean (= average)
shape
  round
diameter
2 µm    Mean (= average)
length
2 µm    Mean (= average)
Anatomy of siderophilous granulations
presence
  absent

Autofluorescence

whole mycorrhizae UV 254 nm colour-presence
  absent
whole mycorrhizae UV 366 nm colour-presence
  absent
mantle in section UV-filter 340-380 nm presence
  absent
mantle in section blue-filter, 450-490 nm presence
  absent
mantle in section green-filter, 530-560 nm presence
  absent

Chemical reactions

reaction with acid fuchsin presence
  absent
reaction with anilin presence
  absent
reaction with brillant-cresyl-blue presence
  absent
reaction with cotton-blue-lactic-acid presence
  absent
reaction with ethanol 70% presence
  absent
reaction with FeSO4 presence
  absent
reaction with guaiac presence
  absent
reaction with KOH 10% presence
  present
reaction with Melzer's reagent presence
  absent
reaction with phenole presence
  absent
reaction with phenole-aniline presence
  absent
reaction with sulpho-vanillin presence
  absent

Ecology

geographic occurrence continent
  Europe
or    North America

Tree

plant family
  Pinaceae
plant genus
  Pinus
plant subgenus-section
  two-needle-pines
plant habitat kind
  nursery
or    forests, woods

Remarks

public notes
  Mantle in KOH lighter coloured.

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