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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.

VIORICA

Active

Prunus armeniaca L. · Apricot

BALAN VIORICA

RO
1 record

Viktorija

Protection expired

Prunus domestica L. · European plum

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Węgierka Włoska ISK

Terminated

Prunus domestica L. · European plum

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

PL
1 record

Vietinė rūgščioji

Protection expired

Prunus domestica L. · European plum

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Vidrodzhennia

Terminated

Prunus cerasus L. · Sour cherry

Turovtsev Mykola Ivanovych, Turovtseva Valentyna Oleksandrivna,

UA
2 records

Vernisazh

Terminated

Ribes nigrum L. · Blackcurrant

Kopan` Kira Mykolaivna, Kopan Volodymyr Pavlovych,

UA
1 record

Verkhniats`ke 12

Terminated

Secale cereale L. · Rye

Korotych Pavlo Pylypovych, Zarva Olena Ivanivna, Voloshyn Volodymyr Mykolaiovych, Mazur Zoia Oleksandrivna,

UA
2 records

Vesil`na

Terminated

Pyrus communis L. · European pear

Krasulia Tetiana Ivanivna, Tolstolik Liudmyla Mykolaivna, Maksymova Iryna Mykolaivna,

UA
1 record

Verdesse

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Velykoplіdna

Terminated

Viburnum opulus L. · Guelder rose

Bozhkova Svitlana Pavlivna

UA
1 record

Węgierka Wczesna ISK

Active

Prunus domestica L. · European plum

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

PL
1 record

VAYRO

Active

Prunus dulcis (Mill.) D. A. Webb · Almond

IRTA (G. CATALUÑA)

ES
2 records

Vebu 6

Active

Juglans regia L. · Persian walnut

Yukal Ivan Ivanovych

UA
2 records

Vik 2020

Active

Cannabis sativa L. · Hemp

Laiko, Hanna Vyrovets, Viacheslav Kyrychenko, Hanna Laiko, Iryna Mishcenko, Serhii

UA
2 records

/US1/

Terminated

Beta vulgaris Sugar Beet Group · Sugar beet

Roik Mykola Volodymyrovych, Kovachev Lazar,

UA
2 records

Uleko

Withdrawn

Lavatera L. · Tree mallow

ULSTAR - Handel-Pośrednictwo-Usługi Lucjan Staszewski

PL
1 record

VALERIE

Terminated

Prunus domestica L. subsp. domestica · Plum

AGRICULTURAL RESEARCH INSTITUTE OF ONTARIO

BE
1 record

Viktoriia

Terminated

Asimina triloba (L.) Dunal · Pawpaw

Khokhlov Serhii IUriiovych

UA
2 records

Ukrainka

Terminated

Diospyros kaki L. f. · Persimmon

Khokhlov Serhii IUriiovych

UA
2 records

Tracy sun

Withdrawn

Prunus L. · Plum

CHAMBERLIN THOMAS O.

IT
1 record

Tetiana

Terminated

Prunus cerasifera Ehrh. var. divaricata (Ledeb.) L. H. Bailey · Cherry plum

Pavliuk Vasyl` Vasyl`ovych, Yarushnykov Volodymyr Volodymyrovych, Taranenko Liliia Ivanivna,

UA
2 records

T.C. sun

Withdrawn

Prunus L. · Plum

CHAMBERLIN THOMAS O.

IT
1 record

TC Sun 2

Active

Prunus salicina Lindl. · Japanese plum

Budzynskyi Oleksandr Serhiiovych,Yarmoliuk Ivan Savych,

UA
2 records

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