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agronom.cc cultivar database

Variety traits

Self-fertility

Self-fertility is the ability of a cultivar to form fruit when pollinated with its own pollen. This trait ensures yield stability regardless of weather conditions and the activity of pollinating insects.

Mentioned in descriptions 11 044 varieties reference book.

Self-fertility characterizes a plant's ability to set fruit when pollinated by its own pollen without the involvement of other cultivars. It manifests in yield stability, as such plants are less dependent on weather conditions during flowering, such as cold or rain, and the lack of insect flight. In practice, cultivars with this trait allow for the establishment of monoculture plantings without the need to select cross-pollinators.

This trait is not absolute and often exhibits instability, depending significantly on the climatic zone, the site's microclimate, and the specific weather conditions of the year. In agronomic practice, cultivars are classified by their fruit set percentage: cultivars with 20% or more are considered self-fertile, those from 10% to 20% are partially self-fertile, and those with less than 5% are self-incompatible.

During variety testing, self-fertility is evaluated in field trials by comparing the proportion of fruit formed on branches with artificial self-pollination, branches without access to insects, and control branches under free pollination. The obtained data are an important criterion for selecting a cultivar for a commercial orchard; however, experts recommend analyzing the advisability of planting pollinators even for self-fertile cultivars to realize their full biological potential.

Sources10

Breakdown by crop

Self-fertility in sweet cherry 510 Self-fertility of apple 454 Self-fertility in plums 358 Apricot self-compatibility 310 Self-fertility in peach 297 Self-fertility of pear 253 Self-fertility — Sour Cherry 194 Almond self-fertility 86 Self-fertility in Maize 73 Olive Self-compatibility 71 Self-fertility — Common hazel 69 Self-fertility in Figs 69 Self-fertility in Japanese Plum 68 Self-fertility of highbush blueberry 52 Self-fertility in Black Currant 52 Self-fertility in walnuts 46 Self-fertility in Quince 43 Self-fertility of gooseberry 41 Self-fertility in Red Currant 39 Self-fertility of apple 39 Self-fertility — Garden Strawberry 21 Self-fertility of sunflower 20 Self-fertility in European plum 19 Self-fertility in raspberries 18

Found in these crops

Apple 400 Peach 380 European plum 351 Apricot 316 Sweet cherry 262 European pear 222 Sour cherry 204 Olive 115 Maize 73 Common fig 73 Highbush blueberry 72 Blackcurrant 70

Varieties that feature this in their description

Selection based on the description text, not official resistance ratings: such data is not available in registers. Mention indicates that the trait is discussed in the variety's sources; see the variety's profile for details on what is specifically stated.

Triaux

Active

Prunus cerasus L. · Sour cherry

SE
2 records

Valeska

Active

Prunus avium (L.) L. · Sweet cherry

NL
6 records

Wijnkers

Active

Prunus avium (L.) L. · Sweet cherry

NL
3 records

Vranja

Active

Cydonia oblonga Mill. · Quince

NL
6 records

Strepet

Active

Prunus armeniaca L. · Apricot

CZ
4 records

Welleman

Active

Pyrus communis L. · European pear

NL
3 records

Washington

Active

Prunus domestica L. · European plum

NL
3 records

VITTORIA

Active

Prunus avium (L.) L. · Sweet cherry

ES
3 records

Somerset

Active

Prunus avium (L.) L. · Sweet cherry

ES
2 records

Tarina

Active

Prunus cerasus L. · Sour cherry

RO
3 records

Vaes Oogst

Active

Prunus persica (L.) Batsch · Peach

NL
2 records

SEMINOLE

Active

Citrus xtangelo J. W. Ingram & H. E. Moore · Tangelo

ES
2 records

Sweetcot

Active

Prunus armeniaca L. · Apricot

CZ
4 records

Vana Vaasa

Active

Prunus domestica L. subsp. insititia (L.) C. K. Schneid. · Damson

EE
3 records

Tulpappel

Terminated

Malus domestica (Suckow) Borkh. · Apple

NL
2 records

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