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Glomerella cingulata (Stoneman) Spaulding et Schrenk x apple

Mycologia, ASCOMYCOTINA, POLYSTIGMATALES, PHYLLACORACEAE .

Crops attacked: pear, .


[R]Common Names :

Anthracnose

Identification, Description, Biology, Epidemiology, Treatement, Possible misleading, Images


[R]Identification
The forma perfecta (perithecia) is mostly present in artificial medium.

[R]Description
The fungus is severely damaging in apple and less frequent in pear.
The leaf spots are of minor importance.
On fruits rot forms from a lenticel ; it is usually round, with a black center containing a mucilaginous pinkish mass.

[R]Biology
The fungus produces dark grey perithecia which carry the orange mucilagenous droplets.
It overwinters as mycelium in the cankers and as perithecia which occur in autumn.

[R]Epidemiology
The optimum temperature for spore germination is 25 °C. in minimum 92 % RH conditions.

[R]Treatement
.

[R]Possible misleading
.

[R] Images

  1. Colletotrichum gloeosporioides , Fruit rot (VEGH I., INRA)
    Fruit rot on apple-tree Spots of Colletotrichum gloeosporioides rot on Golden apple.
  2. Colletotrichum gloeosporioides , Fruit rot (VEGH I., INRA)
    Fruit rot on apple-tree Colletotrichum gloeosporioides rot on fruit.

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HYP3 on line : Species (scientific name), Diseases (common names), Glossary, Crops.

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