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Variety traits

Plum Winter Hardiness

Prunus domestica L.

A complex trait characterizing the ability of a plum tree to withstand frost and temperature fluctuations. It is determined by the condition of tissues and generative buds, critically influencing the regularity of fruiting and the longevity of orchards.

In the reference 65 varieties crop European plum, where this is mentioned in the description.

The assessment of plum winter hardiness includes monitoring the degree of damage to the bark, cambium, wood, and pith, as well as the viability of flower buds after overwintering. To identify the resistance thresholds of genotypes, the artificial freezing method is used, along with the analysis of physiological and biochemical markers, such as the accumulation of proline, sugars, and the activity of antioxidant enzymes in the shoot bark.

Unlike many stone fruits, Prunus domestica has specific resistance thresholds at which even moderate frosts can cause significant freezing of generative buds. Crop regularity directly depends on the cultivar's ability to preserve flower buds, as damage to xylem tissues during the winter period weakens the overall condition of the tree and shortens its productive lifespan.

In breeding and variety testing, resistance is divided into the response to early autumn frosts, maximum winter temperatures, thaws, and late spring frosts. To increase the adaptive potential in regions with high-risk horticulture, crosses with winter-hardy species, such as sloe or Ussurian plum, are used.

General information about the subject — on the page Winter hardiness.

Sources8

Varieties of European plum 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.

Jo-Jo

Active

Prunus domestica L. · European plum

Walter Hartmann c/o Universität Hohenheim

CZ HU PL SI SK
17 records

Stanley

Active

Prunus domestica L. · European plum

Station de Geneva (US)

CZ ES FR HU NL PL +3
25 records

Katinka

Active

Prunus domestica L. · European plum

Walter Hartmann c/o Universität Hohenheim

CZ DE HU NL PL SK
18 records

Tegera

Active

Prunus domestica L. · European plum

Walter Hartmann c/o Universität Hohenheim

CZ DE HU SK
17 records

Ruth Gerstetter

Active

Prunus domestica L. · European plum

ES HU NL PL SI
11 records

Prudom

Active

Prunus domestica L. · European plum

OBSTBAUMSCHULE SCHREIBER, AT

NL
7 records

Herman

Active

Prunus domestica L. · European plum

Oldén, Elof J.

CZ NL PL SE
11 records

Empress

Active

Prunus domestica L. · European plum

RUP «BRESTSKAYA OBLASTNAYA SELSKOXOZYAJSTVENNAYA OPYTNAYA STANCZIYA NAN BELARUSI»

HU PL
8 records

Smolinka

Active

Prunus domestica L. · European plum

RESPUBLIKANSKOE NAUCHNO-PROIZVODSTVENNOE DOCHERNEE UNITARNOE PREDPRITIE «INSTITUT PLODOVODSTVA»

EE
5 records

Haganta

Active

Prunus domestica L. · European plum

Walter Hartmann

HU NL
5 records

Anna Späth

Active

Prunus domestica L. · European plum

CZ ES FR NL RO
13 records

Tuleu Gras

Active

Prunus domestica L. · European plum

CZ HU RO SK
6 records

Haroma

Active

Prunus domestica L. · European plum

NL
7 records

Ferlenain

Active

Prunus domestica L. · European plum

L'INSTITUT NATIONAL DE LA

FR NL
4 records

Perdrigon

Active

Prunus domestica L. · European plum

ZAPADNAYA EVROPA

EE
4 records

BLUE FREE

Active

Prunus domestica L. · European plum

SI
4 records

Madame

Terminated

Prunus domestica L. · European plum

Trajkovski, Vikor

DK SE
4 records

Tolar

Active

Prunus domestica L. · European plum

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
4 records