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Variety traits

Parthenocarpy

Parthenocarpy is the genetic ability of a plant to form fruits without the process of pollination. This trait allows for a stable yield of seedless fruits in greenhouse conditions or during adverse weather when pollinating insects are scarce.

Mentioned in descriptions 713 varieties reference book.

Parthenocarpy manifests in the formation of fruits without pollination, which ensures stable yields regardless of insect activity or weather conditions. Plants of this type usually form seedless fruits or fruits with empty seeds, which prevents deformation and yellowing caused by the absence of a normal seed-setting process. Most of these hybrids feature a predominantly female flowering type, allowing for more efficient use of the planting area.

During variety testing, this trait is evaluated by the percentage of fruit set relative to the total number of female flowers under strict isolation. Gradations ranging from weak to very strong are distinguished, where the unit of measurement corresponds to the percentage of formed ovaries. When choosing a variety, it is taken into account that some hybrids possess partial parthenocarpy, maintaining the ability to set fruits both in the presence and absence of pollination.

The expression of parthenocarpy is a varietal trait, yet its manifestation depends on environmental conditions. Optimal factors include moderate temperatures around 17–18 °C, high light intensity, short day length, and balanced mineral nutrition. The intensity of the trait may also change depending on the age of the plant, and in the case of accidental pollination by insects, the fruits of some parthenocarpic varieties may lose their marketability.

Sources10

Breakdown by crop

Parthenocarpy in Cucumber 21 Pear Parthenocarpy 20 Parthenocarpy in Zucchini 15 Tomato parthenocarpy 13 Parthenocarpy in Pepper 6 Fig Parthenocarpy 6 Parthenocarpy in Eggplant 5 Persimmon parthenocarpy 4 Mandarin Parthenocarpy 4 Citrus parthenocarpy 3 Parthenocarpy in grape 3

Found in these crops

Cucumber 292 Common fig 54 European pear 24 Field pumpkin 19 Tomato 13 Bell pepper 7 Clementine 6 Mandarin orange 5 Eggplant 5 Citrus 4 Persimmon 4 Grapevine 4

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.

Conny

Active

Cucumis sativus L. · Cucumber

DE
2 records

Athene

Protection expired

Cucumis sativus L. · Cucumber

DK
2 records

Bicaz

Active

Cucumis sativus L. · Cucumber

RO
2 records

Bellini

Active

Cucumis sativus L. · Cucumber

HU
2 records

Berta

Protection expired

Cucumis sativus L. · Cucumber

CZ
2 records

Yasmin

Protection expired

Cucumis sativus L. · Cucumber

DK
2 records

Zabava F1

Terminated

Cucumis sativus L. · Cucumber

Eike Kampe

UA
3 records

Sinclair F1

Active

Cucumis sativus L. · Cucumber

Shevchenko Igor

UA
2 records

Sarmat F1

Terminated

Cucumis sativus L. · Cucumber

Kondratenko Serhii Ivanovych, Pozniak Oleksandr Vasyl`ovych, Nesyn Volodymyr Mykolaiovych, Tkalych IUrii Vadymovych, Ptukha Nadiia Ivanivna,

UA
2 records

Vnuchok F1

Terminated

Cucumis sativus L. · Cucumber

Renkas Svitlana Volodymyrivna, Yanchuk Nina Ivanivna, Prylipka Oleksii Vasyl`ovych, Kravchenko Vladyslav Andriiovych,

UA
2 records

Ulonai

Terminated

Cucumis sativus L. · Cucumber

Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas

LT
1 record

Toska

Terminated

Cucumis sativus L. · Cucumber

Domaine Public (FR)

FR
1 record

TANYA

Withdrawn

Cucumis sativus L. · Cucumber

Seminis Vegetable Seeds

ES
1 record

Smak F1

Terminated

Cucumis sativus L. · Cucumber

Medvediev Anatolii Vasyl`ovych, Serhiienko Oksana Volodymyrivna, Pluzhnikova Liudmyla IEhorivna, Lisitsyn Rima Petrivna, Lisitsyn Volodymyr Mykolaiovych,

UA
1 record

SG 7258 F1

Active

Cucumis sativus L. · Cucumber

Han Menkveld

UA
2 records

Sharzh F1

Protection expired

Cucumis sativus L. · Cucumber

Suvorova Tetiana IAkovlivna, Khomchenko Nina Mykolaivna, Shevkunov Valerii Mykolaiovych, Shamshyna Hanna Viacheslavivna, Portiankin Oleksii IEvhenovych, Havrysh Serhii Fedorovych,

UA
2 records

Segur

Withdrawn

Cucumis sativus L. · Cucumber

Asgrow Seed Company (US)/Bruinsma (NL)

FR
1 record

Rocket gs

Terminated

Cucumis sativus L. · Cucumber

Clause Semences SA (FR)

FR
1 record

RIOVERDE

Withdrawn

Cucumis sativus L. · Cucumber

Seminis Vegetable Seeds

ES
1 record

RAPITÁN

Application submitted

Cucumis sativus L. · Cucumber

INTERSEMILLAS SAU

ES
1 record

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