Andrei
ActivePyrus communis L. · European pear
RO
2 records
Diseases
Pear Scab
Pyrus communis L.
A disease caused by the highly specialized fungus Venturia pirina Aderh. It affects all above-ground organs of the pear tree, including young shoots, where characteristic ulcers develop.
In the reference 489 varieties crop European pear, where this is mentioned in the description.
The causal agent is the ascomycete fungus Venturia pirina Aderh., whose anamorph stage is known as Fusicladium pirinum (Sib.) Fokl. The pathogen is highly specialized and does not infect apple trees. The disease manifests as chlorotic spots with an olive-colored velvety coating on leaves, fruits, and petioles.
Unlike apple scab, the pear scab pathogen often affects young shoots, causing them to crack and form ulcers. On fruits, the infection leads to deformation, skin cracking, and tissue suberization, which significantly reduces the marketability of the crop.
The identification of distinct physiological races for Venturia pirina is not carried out; pathogen variability is considered within the context of geographical populations. The resistance of the European pear is polygenic in nature, and information regarding major genes for monogenic resistance to this pathogen is virtually absent in current literature.
General information about the subject — on the page Scab.
Varieties of European pear mentioned in the description
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.
Williamsova purpurová
ActivePyrus communis L. · European pear
CZ
4 records
Coscia Precoce
ActivePyrus communis L. · European pear
Trévouxská
ActivePyrus communis L. · European pear
CZ
4 records
Beurré Robert
ActivePyrus communis L. · European pear
SI
2 records
Williams Rouge
ActivePyrus communis L. · European pear
FR
3 records
William Tardiva
ActivePyrus communis L. · European pear
SI
2 records
Windsorská
ActivePyrus communis L. · European pear
CZ
4 records
Lectier
ActivePyrus communis L. · European pear
NL
3 records
Nicolas
ActivePyrus communis L. · European pear
RO
2 records
Moskvitška
ActivePyrus communis L. · European pear
EE
2 records
Durondeau
ActivePyrus communis L. · European pear
NL
2 records
Diels Butterbirne
ActivePyrus communis L. · European pear
NL
2 records
Comice
ActivePyrus communis L. · European pear
SI
4 records
Noiabrs'ka Moldavii
ActivePyrus communis L. · European pear
UA
2 records
Vesil`na
TerminatedPyrus communis L. · European pear
Krasulia Tetiana Ivanivna, Tolstolik Liudmyla Mykolaivna, Maksymova Iryna Mykolaivna,
UA
1 record
Gute Louise von Avranches
ActivePyrus communis L. · European pear
Information not available - Contact NL authorities
NL
1 record
Konferencja ISK
ActivePyrus communis L. · European pear
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
1 record
Lukasówka ISK
ActivePyrus communis L. · European pear
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
1 record
Bonkreta Williamsa ISK
ActivePyrus communis L. · European pear
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
1 record
Triumf Packhama
TerminatedPyrus communis L. · European pear
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
PL
1 record
Triumf Packhama ISK
TerminatedPyrus communis L. · European pear
Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka
PL
1 record
Vdala
TerminatedPyrus communis L. · European pear
Spriahailo Oksana Anatoliivna, Kucher Ruslan Anatoliiovych, Kucher Anatolii Oleksiiovych,
UA
2 records
Faworytka ISK
ActivePyrus communis L. · European pear
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
PL
1 record