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Diseases

Powdery mildew — Phlox paniculata

Phlox paniculata L.

A fungal disease caused by Erysiphe cichoracearum that affects leaves, stems, and flower stalks, leading to desiccation and reduced winter hardiness of the plant.

In the reference 68 varieties crop Garden phlox, where this is mentioned in the description.

The causal agents of powdery mildew on Phlox paniculata are fungi of the order Erysiphales, predominantly Erysiphe cichoracearum (synonym Golovinomyces cichoracearum), specifically the form Erysiphe cichoracearum D.C. f. phlogis Jacz. Initial symptoms appear in early summer as a loose, white mycelial coating on the lower parts of the plant.

As the disease progresses, the coating becomes dense, acquiring a felt-like texture and a grayish-brown hue, covering all above-ground plant organs. This inhibits photosynthesis, causing leaves to curl and dry out, as well as an overall loss of aesthetic appeal and plant vigor. In breeding, resistance to the pathogen is evaluated as a phenotypic varietal trait without the identification of specific genetic markers.

General information about the subject — on the page Powdery mildew.

Sources8

Varieties of Garden phlox 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.

Appotwpu

Active

Phlox paniculata L. · Garden phlox

van den Haak Jelle

4 records

APPOTWWH

Active

Phlox paniculata L. · Garden phlox

van den Haak Jelle

3 records

Grenadine Dream

Active

Phlox paniculata L. · Garden phlox

Verschoor Jan|Haarlem, NL

4 records

Cleopatra

Active

Phlox paniculata L. · Garden phlox

Geerlings-Meyer

4 records

Barci

Protection expired

Phlox paniculata L. · Garden phlox

Bartels, G.B.H.

NL
2 records

Dophlflacoim

Active

Phlox paniculata L. · Garden phlox

van Sambeek Ellen

2 records

Balsukaco

Active

Phlox paniculata L. · Garden phlox

Kim Grace H.

2 records

Dophlflaproli

Active

Phlox paniculata L. · Garden phlox

van Sambeek Ellen

2 records

Dophlflaprosopi

Active

Phlox paniculata L. · Garden phlox

van Sambeek Ellen

2 records

Rubymine

Active

Phlox paniculata L. · Garden phlox

Van Gaalen Irenaeus Antonius Maria

2 records

Balsukalu

Active

Phlox paniculata L. · Garden phlox

Kim Grace H.

2 records

Goldmine

Active

Phlox paniculata L. · Garden phlox

Van Gaalen Irenaeus Antonius Maria

2 records

Jade

Active

Phlox paniculata L. · Garden phlox

Verschoor Jan|Haarlem, NL

2 records

Balkapopink

Active

Phlox paniculata L. · Garden phlox

Kievit Christa

2 records

Party Girl

Active

Phlox paniculata L. · Garden phlox

Hansen Hans A

2 records

Silvermine

Active

Phlox paniculata L. · Garden phlox

Van Gaalen Irenaeus Antonius Maria

2 records

Balkapopur

Active

Phlox paniculata L. · Garden phlox

Kievit Christa

3 records

Neon Flare

Active

Phlox paniculata L. · Garden phlox

Verschoor Jan|Haarlem, NL

2 records

Balkapowi

Active

Phlox paniculata L. · Garden phlox

Kievit Christa

2 records

Verschercru

Active

Phlox paniculata L. · Garden phlox

Verschoor Janus

2 records

Versluck

Active

Phlox paniculata L. · Garden phlox

Verschoor Janus

2 records

Junior Dance

Active

Phlox paniculata L. · Garden phlox

Vester Mart|Zwaanshoek, NL

2 records

Junior Dream

Active

Phlox paniculata L. · Garden phlox

Vester Mart|Zwaanshoek, NL

2 records

Junior Fountain

Active

Phlox paniculata L. · Garden phlox

Vester Mart|Zwaanshoek, NL

2 records