Variety traits

Ploidy

Ploidy is the number of sets of chromosomes in a cell nucleus, which determines the biological properties and productivity of a variety. This trait is used in breeding to modify morphological parameters of plants, such as increasing fruit size.

Mentioned in descriptions 10 934 varieties reference book.

Ploidy reflects the number of sets of chromosomes in a plant cell nucleus. An organism can be diploid, having two sets, haploid with one, or polyploid, containing three or more sets. In agricultural practice, this indicator is an important factor in the productivity and stability of a variety, as polyploidy allows for targeted changes in the size of plant cells and organs.

The choice of ploidy level depends on the cultivation goals of a specific crop. The effect of polyploidy is not universal: while it serves as a tool for increasing productivity in some species, such as sugar beet, a diploid set remains critical for others to ensure normal seed set.

Ploidy assessment is conducted during the breeding process and state variety trials using flow cytometry, direct cytogenetic chromosome analysis, or indirect methods based on stomatal cell size. During trials, the stability of the chromosome set is verified, as any deviations, such as the appearance of aneuploid forms, can lead to reduced yields and increased crop variability.

Sources10

Breakdown by crop

Ploidy — Perennial Ryegrass 853 Apple Ploidy 479 Ploidy — Sugar beet 465 Ploidy — Italian ryegrass 278 Ploidy — Red Clover 252 Ploidy — Italian ryegrass 190 Ploidy — Hybrid Ryegrass 110 Watermelon ploidy 100 Ploidy — Westerwold ryegrass 95 Ploidy — Fodder Beet 55 Ploidy — Rye 49 Ploidy of pear 40 Mandarin Ploidy 31 Ploidy — Meadow Fescue 29 Citrus Ploidy 25 Beet Ploidy 24 Ploidy of Festulolium 24 Apple Ploidy 23 Ploidy — Japanese plum 21 Lily Ploidy 19 Alstroemeria Ploidy 19 Ploidy of orchardgrass 17 Ploidy of German chamomile 17 Ploidy of the European Plum 14

Found in these crops

Perennial ryegrass 853 Apple 498 Sugar beet 466 Italian ryegrass 278 Red clover 252 Italian ryegrass 191 Hybrid ryegrass 110 Watermelon 102 Westerwolds Ryegrass 95 Mangelwurzel 55 Rye 49 European pear 42

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.

Merganda

Active

Lolium perenne L. · Perennial ryegrass

ILVO-PLANT 39

BE DE HR NL PL SI

15 records

Emergo

Active

Sinapis alba L. · White mustard

ZWAAN AND DE WILJES

BE DE FR HR NL SI

14 records

Borvi

Protection expired

Lolium perenne L. · Perennial ryegrass

DLF-TRIFOLIUM| DLF-Trifolium A/S

DE DK EE ES FR IE

13 records

Jivet

Active

Lolium multiflorum Lam. · Italian ryegrass

Plant Breeding Hladke Zivotice

DE SK

16 records

Humber

Active

Beta vulgaris Sugar Beet Group · Sugar beet

Seed Company Lion Seeds Ltd

DK ES LT NL SE UA

10 records

Talbot

Application submitted

Lolium perenne L. · Perennial ryegrass

VAN DER HAVE B. V.

DK ES FR IE NL

12 records

Barspectra

Application submitted

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

Barenbrug Holland BV, 6501 BH Nijmegen

CZ DK EE FR PL SE

10 records

Pollanum

Active

Lolium multiflorum Lam. var. westerwoldicum Wittm. · Westerwolds Ryegrass

Euro Grass Breeding GmbH & Co. KG, D-59557 Lippstadt

EE FI LU SI UA

10 records

Moy

Protection expired

Lolium perenne L. · Perennial ryegrass

NORTHERN IRELAND HORTICULTURAL & PLANT BREEDING ST

BE DK ES IE NL

14 records

Lemmon

Active

Trifolium pratense L. · Red clover

Rijksstation Voor Plantenveredeling (BE)/Barenbrug MAES (BE)

AT BE DE FR LU

11 records

Mara

Active

Lolium perenne L. · Perennial ryegrass

BARENBRUG HOLLAND

CZ HR PL RO SK

11 records

Dexter 1

Active

Lolium perenne L. · Perennial ryegrass

DLF-Seeds A/S

AT BE DE NL PL

14 records

Telstar

Active

Lolium perenne L. · Perennial ryegrass

DLF-Seeds A/S

AT DE NL PL

10 records

Mirtello

Active

Lolium perenne L. · Perennial ryegrass

Dieter Stelling

DE LU NL UA

11 records

Bellator

Active

Lolium perenne L. · Perennial ryegrass

Freudenberger, D

AT BE DE FR

13 records

Arvicola

Active

Lolium perenne L. · Perennial ryegrass

Forschungsanstalt Agroscope Reckenholz-Tänikon ART

AT DE LU UA

15 records

Tetrastar

Active

Lolium perenne L. · Perennial ryegrass

DLF-TRIFOLIUM DANSK PLANTEFORAEDLING

DK FR IT

13 records

Style

Active

Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon

Paul Degreef

NL UA

12 records

Embassy

Active

Lolium perenne L. · Perennial ryegrass

Hodder and Tolley Ltd

ES FR

13 records

PremA153

Active

Malus domestica (Suckow) Borkh. · Apple

White Allan

12 records

Smart Regina KWS

Active

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

BE CZ DE IT NL SE

9 records

Silenta

Active

Beta vulgaris Sugar Beet Group · Sugar beet

SYNGENTA SEEDS| INAKTIV Syngenta Seeds GmbH

DE ES HR HU LT UA

8 records

Ramona

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

KWS SAAT SE & CO.KGAA

BG DE ES FR GR HR +1

8 records

Pilot

Active

Malus domestica (Suckow) Borkh. · Apple

Prof. Dr. Manfred Fischer / Heinz Murawski + im Institut für Obstforschung Dresden-Pillnitz / Dr. Johann Schmadlak / Prof. Dr. Christa Fischer / Dr. Barbara Dathe

BE CZ DE FR NL PL +1

22 records

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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.