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.

Kaito

Active

Brassica rapa L. · Turnip rape

ReinSaat KG

1 record

Karneol ISK

Withdrawn

Prunus cerasus L. · Sour cherry

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

2 records

Karnaval`nyi

Terminated

Prunus persica (L.) Batsch · Peach

Latsko Tetiana Anatoliivna, Lobanovs`ka Valentyna Fedorivna, Fedorova Ol`ha Stepanivna, Rikhter Oleksandr Oleksandrovych, Smykov Volodymyr Karpovych, Smykov Anatolii Volodymyrovych, Perfil`ieva Zoia Mykolaivna,

2 records

Jostine

Protection expired

Ribes L. · Currants

Dr. Rudolf Bauer (+)

1 record

Kivi Karpat Stratona var. Valentain

Terminated

Actinidia chinensis Planch. · Kiwifruit

Chepkanych Volodymyr Ivanovych, Lohin Vasyl` IUriievych, Straton Henrikh Valentynovych,

2 records

Jubilejnaja Kopania

Withdrawn

Ribes nigrum L. · Blackcurrant

Institut Sadiwnictwa Ukrainska Akademija Agrarnich Nauk Volodymyr Kopan

2 records

Jonkheer van Tets ISK

Active

Ribes rubrum L. · Redcurrant

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

1 record

Kassina ISK

Terminated

Prunus avium (L.) L. · Sweet cherry

Instytut Sadownictwa i Kwiaciarstwa im. Szczepana Pieniążka

1 record

Kastyčiai

Protection expired

Ribes nigrum L. · Blackcurrant

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

JĀNIS

Active

Chaenomeles japonica (Thunb.) Lindl. ex Spach · Japanese quince

E.Kaufmane, S.Ruisa

1 record

Impératrice Eugénie

Terminated

Prunus x gondouinii (Poit. & Turpin) Rehder · Duke cherry

INCONNU (FR)

1 record

Jūrė

Terminated

Prunus domestica L. · European plum

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

1 record

Italiaanse Kwets

Active

Prunus domestica L. · European plum

Information not available - Contact NL authorities

1 record

Iskorka Tavrydy

Protection expired

Prunus armeniaca L. · Apricot

Moskalenko Klera Mykhailivna, Kostina Klavdiia Fedorivna, Sholokhov Oleksandr Mykhailovych, Horshkova Halyna Oleksandrivna,

2 records

Inhul`s`kyi

Active

Zea mays L. · Maize

Lavrynenko IUrii Oleksandrovych, Dziubetskyi Borys Volodymyrovych, Bodenko Natalia Anatoliivna, Antoniuk Serhii Petrovych, Cherchel Vladyslav IUriiovych, Turovets` Viktor Mykhailovych, Lashyna Mariia Volodymyrivna, Naidonov Viktor Hryhorovych, Nizheholenk

2 records

Holubka

Terminated

Lonicera caerulea L. · Blue-berried honeysuckle

Tykhyi Taras Ivanovych

4 records

Hizela 13.1

Active

Prunus avium (L.) L. · Sweet cherry

STOV «ENOHRAI»

2 records

Helena

Active

Prunus armeniaca L. · Apricot

Craig A. Ledbetter (US)

1 record

Harmat

Active

Prunus armeniaca L. · Apricot

Pedryc Andrzej / Tamassy Istvan

2 records

HAPLONA

Terminated

Brassica napus var. napus · Rapeseed

PLANT BREEDING INTERNATIONAL CAMBRIDGE

2 records

Halle ISK

Active

Corylus avellana L. · Common hazel

Instytut Ogrodnictwa - Państwowy Instytut Badawczy

1 record

Hora Roman Kosh

Terminated

Diospyros kaki L. f. · Persimmon

Derev"ianko Vavsyl` Mykolaiovych, Bohdanovs`kyi IUrii IEvlampiiovych,

2 records

Groseille raisin

Active

Ribes L. · Currants

SMIDT (DE)

1 record

Hinnonmäki Gul

Active

Ribes uva-crispa L. · Gooseberry

Information not available - Contact NL authorities

1 record

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Variety traits

Maturity group 89 063
Yield 67 000
Vigor 53 548
Plant height 51 504
Lodging 50 198
Taste and aroma 36 010
Variety origin 29 523
Productivity 27 845

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Text source

This summary is compiled from the publications listed in the sources and verified by an editor. It contains no legally significant information; it provides agronomic context for registry data rather than the registry data itself.