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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.

HORE140103

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Lendert De Vos

1 record

HORE9311

Application submitted

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Lendert De Vos

1 record

H218926

Withdrawn

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H218912

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

H220911

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H218924

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H218917

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H220909

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H218915

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H217904

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H218921

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

HORE1644

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Lendert De Vos

1 record

Hokomawhiwa

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Kolster Holding B.V.^^^Horteve Breeding B.V.

1 record

H220914

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H218913

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H220910

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

H220901

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

1 record

Baroque Angel

Terminated

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Frauke Engel

1 record

BC2402AC

Application submitted

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Blooming Creations International B.V.

1 record

Wagtail

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

Vicomtesse de Vibraye

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Information regarding the breeder received in the contribution to CPVO :Mouillère E.

FR
1 record

Twilight

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

White Wave

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record