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Variety traits

Male Sterility (CMS) — Hydrangea macrophylla

Hydrangea macrophylla (Thunb.) Ser.

In Hydrangea macrophylla, male sterility manifests as pollen degradation resulting from selection for double flowers and ornamental inflorescence traits. This condition is not a commercial metric and represents a side effect of mutations in reproductive organ development.

In the reference 278 varieties crop Bigleaf hydrangea, where this is mentioned in the description.

Male sterility in Hydrangea macrophylla is closely linked to the inflorescence structure of ornamental cultivars. In forms with double flowers, abortion or degradation of pollen is frequently observed, which is considered a consequence of genetic disorders similar to mutations in floral organ development genes.

In breeding programs, male sterility is evaluated experimentally through analysis of pollen grain morphology using scanning electron microscopy, testing of pollen viability, and assessment of seed set during backcrossing. This trait does not have standardized agronomic scales and is not utilized in industrial hybridization.

General information about the subject — on the page Cytoplasmic Male Sterility (CMS).

Sources6

Varieties of Bigleaf hydrangea mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

HIHALO59

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

van Dijk Roy Robin

3 records

Hokomagrefip

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Kolster Peter Rudolf,Eveleens Cornelis Pieter

3 records

HISEA

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

van Dijk Roy Robin

3 records

H211906

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

H211904

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

HBAnavy

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

HBA215908

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

H211902

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

3 records

Disno

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Roy Robin van Dijk

3 records

Diswe

Protection expired

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Roy Robin van Dijk

3 records

Dicry

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Roy Robin van Dijk

3 records

Messalina

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Kientzler

DK FR
3 records

SCHROLLA03

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Schroll Management ApS

2 records

Summer Frost

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Stever Karen R.|Gainesville, GA, US

FR
2 records

Sandra

Protection expired

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Kwekerij Sidaco B.V.

NL
2 records

PIIHM-I

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Dirr M.

FR
2 records

Pirates Gold

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

MATTHEW MILLER

FR
2 records

Nehyosh

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

JOHN HEDGER

FR
2 records

Moonlight

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Wood T.

FR
2 records

HorAbstra

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Meinl Katrin|Dresden, DE

FR
2 records

Hycativ

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :HBA B.V.

FR
2 records

HYMMAD III

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Dirr M.

FR
2 records

HYMMAD II

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Dirr M.

FR
2 records

Goldrush

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

JOHN HEDGER

FR
2 records