Zouk 37
ActiveMalus domestica (Suckow) Borkh. · Apple
ZOUK bvba, BE3800 Sint-Truiden
Variety traits
Apple Tolerance
Malus domestica (Suckow) Borkh.
Apple tolerance is the ability of a cultivar to maintain productivity, fruit quality, and viability when exposed to biotic pathogens or abiotic stresses, despite the presence of damage symptoms.
In the reference 54 varieties crop Apple, where this is mentioned in the description.
Unlike immunity, which precludes disease development, tolerance characterizes the degree of plant function preservation under stress. Assessment is conducted by comparing indicators of productivity, fruit size, shoot growth, and leaf canopy condition in stressed plants relative to a healthy control.
For quantitative analysis of tolerance, scoring scales are used that reflect not only the degree of pathogen infection but also the actual loss of economically valuable traits. Regarding abiotic stresses, such as drought, tolerance is measured through physiological and biochemical parameters: water regime, photosynthetic intensity, and the root-to-shoot biomass ratio.
The presence of the tolerance trait ensures the economic stability of an orchard by reducing dependence on chemical treatments while maintaining annual yields and fruit marketability. This criterion is a key factor of adaptability when facing pathologies such as scab, brown rot, and canker, as well as physiological disorders like bitter pit.
General information about the subject — on the page Tolerance.
Varieties of Apple 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.
Regalnat
ActiveMalus domestica (Suckow) Borkh. · Apple
MAILLARD Laurence / MAILLARD Arsene
FR
4 records
M 4
ActiveMalus domestica (Suckow) Borkh. · Apple
NL
3 records
Iori
Application submittedMalus domestica (Suckow) Borkh. · Apple
Simone Bühlmann-Schütz Agroscope
FR
3 records
Imara
ActiveMalus domestica (Suckow) Borkh. · Apple
De Wit Inge / Eyssen Hendrik / Keulemans Johan / Nicolai Johan / Pauwels Els / Laer Paul Van
Angold
ActiveMalus domestica (Suckow) Borkh. · Apple
SEMPRA PRAHA A S
CZ
DE
12 records
UEB 5586/1
Application submittedMalus domestica (Suckow) Borkh. · Apple
CZ
4 records
Rustica
ActiveMalus domestica (Suckow) Borkh. · Apple
Markus Kellerhals Agroscope
Rodonit
ActiveMalus domestica (Suckow) Borkh. · Apple
Gitta Ficzek^^^Magdolna Tóth^^^Krisztina Honty^^^László Szalay
HU
3 records
Mivibe
ActiveMalus domestica (Suckow) Borkh. · Apple
VÝZKUMNÝ A ŠLECHTITELSKÝ ÚSTAV OVOCNÁŘSKÝ HOLOVOUSY s.r.o. (CZ)
CZ
5 records
Karneol
ActiveMalus domestica (Suckow) Borkh. · Apple
Magdolna Tóth^^^Szilvia Kovács^^^László Szalay^^^Gitta Ficzek
HU
3 records
DELJONCA
ActiveMalus domestica (Suckow) Borkh. · Apple
Pepinieres et Roseraies Georges Delbard| FR
FR
2 records
Belrène
ActiveMalus domestica (Suckow) Borkh. · Apple
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
FR
3 records
Amalia
ActiveMalus domestica (Suckow) Borkh. · Apple
RATI IOAN VIOREL
RO
3 records
Telse
ActiveMalus domestica (Suckow) Borkh. · Apple
CZ
7 records
Ghiva
ActiveMalus domestica (Suckow) Borkh. · Apple
CZ
7 records
Cassiopeia
ActiveMalus domestica (Suckow) Borkh. · Apple
CZ
4 records
Remar
ActiveMalus domestica (Suckow) Borkh. · Apple
RO
2 records
Radoux
ActiveMalus domestica (Suckow) Borkh. · Apple
NL
3 records
NURED JONATHAN
ActiveMalus domestica (Suckow) Borkh. · Apple
FR
2 records
Bedan
ActiveMalus domestica (Suckow) Borkh. · Apple
FR
3 records
CHANTEGRISE
WithdrawnMalus domestica (Suckow) Borkh. · Apple
Institut National de la Recherche Agronomique (FR)/Gaec Chauvire Freres (FR)
FR
2 records
Zita
Protection expiredMalus domestica (Suckow) Borkh. · Apple
CZ
1 record
ZEUKA DI TREPPO
ActiveMalus domestica (Suckow) Borkh. · Apple