Oak Oak Tree

oak, english oak Quercus Robur Fagaceae
oak leaf
leaf backside oak
oak leaves
oak bloom
oak fruit acorn
oak tree acorn
oak tree branch
oak tree buds
bud english oak
stem english oak trunk
Classification Oak, english oak
Height: 30 - 35 m
Leaf: alternate, without a leaf-stalk (petiole)
Bloom: April to May, green, inconspicuous
Fruit: acorns, on stems
Branches: greenish brown
Bark: blackish brown, deep grooves
Root: deep roots in the shape of a heart
Location: sun to half-shade
Soil: sandy-loamy to very loamy
more Oak s
ph-value: slightly acidic to basic
Diseases: Oak, english oak
mildew
Mildew
white covering over the leaves. In extreme cases, it is advisable to gain control.
leaf spots on Oak
Leaf spots (Septoria spp)
Small brown necrosis on the leaves. This is not dangerous for the tree.
browning on Oak
Browning of the leaves
Leaf necrosis that can cover most of the leaf. This is not dangerous for the tree
Oak decline
Oak decline
Symptoms: sparse foliage, yellowed leaves, dying limbs and branches. Dying of the bark and the following mucous secretion. At this time there is no treatment possible.
gall midge
Gall midge (Macrodiplosis volvens KFFR.)
This is not dangerous for the tree.
Fungi
Boot Lace on Oak
Tinder on Oak
shaggy on oak
Hardwood on Oak
smoky on Oak
ganoderma on Oak
ganoderma on Oak
veiled on Oak
hen of teh wood on Oak
giant polypore on Oak
oak braket on Oak
artist conk on Oak
robustus conk on Oak
poria on Oak
oak polypore on Oak
Oak Bracket
Poria obliqua
dryads on oak
cinnabar on oak
beefsteak at Oak
rheades at Oak
false turkey tail at Oak
Polyporus rheades
fungus on oak
fungi on oak
chicken on oak
Polyporus hispidus
Galls are not dangerous for the tree.
chicken on Oak
gall on Oak
gall on Oak
gall on Oak
Andricus lignicola (HTG) Gallwesp
Trigonapsis megaptera (PANZ.)
Neuroterus quercusbaccarum (L.)
Andricus foecundarix (HGT.) Gallwesp
gall on Oak
gall on Oak
gall on Oak
gall on Oak
Trigonapsis megaptera (PANZ.)
Neuroterus numismalis (OLIV.)
Neuroterus laevisculus SCHENK
Andricus quercusradicis
gall on Oak
gall on Oak
gall on Oak
gall on Oak
Andricus kollari
Andricus kollari
Biorhiza pallida
Andricus lignicola (HTG.)
gall on Oak
gall on Oak
gall on Oak
gall on Oak
Andricus inflator HTG.
Cynips quercusfolii L.
Gallwesp

Biorhiza pallida

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