Rhizopogon luteolus Fr. + Pinus

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– Enlarged view –

Literature

references
  Mohan V, Natarajan K, Ingleby K (1993) Anatomical studies on ectomycorrhizas. III. The mycorrhizas produced by Rhizopogon luteolus and Scleroderma citrinum on Pinus patula. Mycorrhiza 3(2): 51-56.
Pachlewski R, Pachlewski J (1974) Studies on symbiotic properties of mycorrhizal fungi of pine (Pinus silvestris L.) with the aid of the method of mycorrhizal synthesis in pure cultures on agar. Warsaw.
Uhl M (1988) Identifizierung und Charakterisierung von Ektomykorrhizen an Pinus silvestris und von Ektomykorrhizen aus der Gattung Tricholoma. Diss Uni München.
Uhl M (1988) Studies on ectomycorrhizae XV. Mycorrhizae formed by Rhizopogon luteolus on Pinus silvestris. Persoonia 13: 449-458.
Uhl (1988) Rhizopogon luteolus. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 21, Einhorn-Verlag, Schwäbisch Gmünd.

Morphology

Morphology of the mycorrhizal system
length
0 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
  dichotomous
or    coralloid
main axis diameter
0.6 mm    Mean (= average)
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  present
rhizomorphs frequency
  infrequent
or    abundant
exploration type
  long distance
Morphology of the unramified ends
shape
  straight
or    bent
shape {of distal end}
  not inflated, cylindric
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1 mm    Upper value of unspecified range (could be µ+s.d., but not known)
diameter
0.35 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)
colour
  ochre, yellowish brown
or    yellow
very tip colour
  ochre, yellowish brown
or    yellowish
or    whitish
older parts colour
  brown
or    ochre, yellowish brown
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  smooth
or    not smooth
mantle surface {in detail} kind
  densely grainy or warty
emanating hyphae presence
  absent
Morphology of rhizomorphs
diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
cross-section shape
  round or roundish
colour
  yellowish
ramification kind-frequency
  infrequently, at restricted points
connection to mantle kind
  distinct
or    oblique
origin location
  proximal
margin habit
  smooth
dimorphism presence
  absent
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
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
mantle type
  hyphae arranged net-like, repeatedly and squarrosely branched (type E)
hyphal system kind
  undifferentiated
hyphae hyphal junctions angle {between}
  ca. 90°
septa clamps presence
  absent
cell shape
  cylindric, constricted at septa
cell pigment location-colour
  plasmatically yellowish
and    epimembranaceously yellowish
cell diameter
2 µm    Minimum value
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)
6 µm    Maximum value
cell wall thickness
0.2 µm    Mean (= average)
cell wall surface habit
  smooth
drops of exuded pigment presence
  present
Anatomy of the middle mantle layer
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, without pattern
cell pigment location-colour
  membranaceously yellowish
or    plasmatically yellowish
cell diameter
2 µm    Minimum value
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)
6 µm    Maximum value
cell wall thickness
0.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  plectenchymatous
or    plectenchymatous with pseudoparenchymatous nests of cells
hyphae arrangement
  ring-like
septa clamps presence
  absent
cell diameter
3 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 of the mantle in longitudinal section
mantle thickness {apart from tip}
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
45 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mantle different layers presence
  discernable
outer mantle layer organisation
  plectenchymatous
outer mantle layer hyphae tangentially length
3 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)
10 µm    Maximum value
outer mantle layer hyphae radially diameter
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)
6 µm    Maximum value
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
3 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)
10 µm    Maximum value
inner mantle layer hyphae radially diameter
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)
6 µm    Maximum value

Anatomy of the tannin cells in longitudinal section
presence
  present
shape
  tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis
tangentially length
35 µm    Lower value of unspecified range (could be µ-s.d., but not known)
70 µm    Upper value of unspecified range (could be µ+s.d., but not known)
radially diameter
4 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
53 µm    Mean (= average)
mean shape-ratio TCq
7     Mean (= average)

Anatomy of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells shape
  round
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
10 µm    Minimum value
15 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)
30 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
5 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
35 µm    Upper value of unspecified range (could be µ+s.d., but not known)
50 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
20 µm    Mean (= average)
anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
0.8     Mean (= average)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  protruding towards endodermis
structure {in plan view}
  of palmetti type
lobes width
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 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
  plectenchymatous
outer mantle layer hyphae tangentially length
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)
20 µm    Maximum value
outer mantle layer hyphae radially diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
inner mantle layer hyphae tangentially length
4 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)
12 µm    Maximum value
inner mantle layer hyphae radially diameter
3 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 of the tannin cells in cross-section
presence
  present
rows number
1     Mean (= average)
shape
  tangentially-oval to tangentially-elliptic
tangentially length
5 µm    Minimum value
15 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)
45 µm    Maximum value
radially diameter
4 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)
mean tangential length TCt
13 µm    Mean (= average)
mean shape-ratio TCq
2.2     Mean (= average)

Anatomy of the cortical cells in cross-section
anatomy mantle cross-section cortical (epidermal) cells tangentially length
10 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
45 µm    Upper value of unspecified range (could be µ+s.d., but not known)
60 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells radially diameter
5 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
40 µm    Upper value of unspecified range (could be µ+s.d., but not known)
50 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
25 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
  cylindrical
anatomy mantle cross-section hyphal cells around tannin cells thickness
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)
anatomy mantle cross-section hyphal rows around tannin cells number
  one
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  cylindrical
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
2 µm    Minimum value
3 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)
7 µm    Maximum value
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking




Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell wall thickness
0.2 µm    Mean (= average)


Anatomy of rhizomorphs
type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)
internal nodia presence
  absent
cup-like structures on surface presence
  absent
a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
ampullate, trumpet-like inflated presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
{of foreign origin} presence
  absent
Anatomy of nuclei
number {per cell}
2     Mean (= average)
shape
  round
diameter
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
distance {between each other}
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)
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
  present
mantle in section blue-filter, 450-490 nm presence
  present
mantle in section green-filter, 530-560 nm presence
  present

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 formol 40% presence
  absent
reaction with guaiac presence
  absent
reaction with KOH 10% presence
  absent
reaction with Melzer's reagent presence
  absent
reaction with phenole presence
  absent
reaction with phenole-aniline presence
  absent
reaction with sulpho-vanillin presence
  absent
or    present

Ecology

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

Tree

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

Fungus

family
  Rhizopogonaceae
fruitbodies growth habit
  hypogeous
or    gastroid

Remarks

public notes
  Mycorrhizal ends sometimes bent, with brown patches; autofluorescence of mantle in section with UV-filter outer mantle layers slightly yellow, inner mantle layers light yellow, with blue-filter yellow, with green-filter sightly reddish; mantle in sulfo-vanillin with brown cell walls.

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