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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.

Hiriv

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Roy Robin van Dijk

2 records

HORE9103

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Lendert De Vos

2 records

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Kolster Peter Rudolf,Eveleens Cornelis Pieter

2 records

H217902

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

H223906

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

H220912

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

H218911

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

Dolfarf

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Marie-France Doll

2 records

H223904

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hydrangea Breeders Association B.V.

2 records

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hiroyuki Mekada, Hiroko Inamura, Tetsuya Kato, Yuka Shimizu

3 records

FRCK 003 S 123

Application submitted

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hiroyuki Mekada, Hiroko Inamura, Tetsuya Kato, Yuka Shimizu

4 records

Dolkis

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Marie-France Doll

2 records

Dolgip

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Marie-France Doll

2 records

CMT 010

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Hiroyuki Mekada, Hiroko Inamura, Tetsuya Kato, Yuka Shimizu

3 records

Rablue

Active

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
2 records

FLEMYGEA

Terminated

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

FLEMER III WILLIAM (US)

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

BRIDO

Terminated

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

SNOWFLAKE NURSERY (US)

FR
1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
2 records

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

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

FR
1 record

Sheila

Withdrawn

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Kwekerij Sidaco B.V.

1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Schroll Management ApS

1 record

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Schroll Management ApS

1 record

HORE9306

Application submitted

Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea

Lendert De Vos

1 record