Share
 

 Flag
 

 Fullscreen
 

Dynamic Embed code:


link:


Powdery Mildew
on Watermelon
(Podosphaera xanthii syn. Sphaerotheca fuliginea)
White, moldy growth. May appear on top or bottom of leaf. Could be confused with downy mildew in early stages.

David B. Langston, University of Georgia, Bugwood.org

Powdery Mildew on Watermelon (Podosphaera xanthii syn. Sphaerotheca fuliginea) White, moldy growth. May appear on top or bottom of leaf. Could be confused with downy mildew in early stages.

Powdery mildew of cucumbers is a serious and common problem in greenhouses in North Carolina

Charles Averre, North Carolina State University, Bugwood.org

Powdery mildew of cucumbers is a serious and common problem in greenhouses in North Carolina

powdery mildew (<em>Podosphaera fuliginea</em>) sign on melon (<em>Cucumis melo</em>)

Clemson University - USDA Cooperative Extension Slide Series , Bugwood.org

powdery mildew (Podosphaera fuliginea) sign on melon (Cucumis melo)

Powdery mildew of cucumbers is a serious and common problem in greenhouses in North Carolina .

Charles Averre, North Carolina State University, Bugwood.org

Powdery mildew of cucumbers is a serious and common problem in greenhouses in North Carolina .

Powdery mildew outbreak in watermelon field. Note the chlorotic area near the center of the frame where the disease is prevalent.  May 1996

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Powdery mildew outbreak in watermelon field. Note the chlorotic area near the center of the frame where the disease is prevalent.  May 1996

Healthy leaf (left) among severely infected leaves. June 1996

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Healthy leaf (left) among severely infected leaves. June 1996

Cantaloupe leaf showing many powdery mildew lesions. June 1996

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Cantaloupe leaf showing many powdery mildew lesions. June 1996

Many lesions on upper leaf and no lesions on lower leaf. October 1998

Gerald Holmes, Strawberry Center, Cal Poly San Luis Obispo, Bugwood.org

Many lesions on upper leaf and no lesions on lower leaf. October 1998

White, moldy growth. May appear on top or bottom of leaf. Could be confused with downy mildew.

David B. Langston, University of Georgia, Bugwood.org

White, moldy growth. May appear on top or bottom of leaf. Could be confused with downy mildew.

powdery mildew (<em>Podosphaera fuliginea</em>) symptoms on squashes (general) (<em>Cucurbita pepo</em>)

Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org

powdery mildew (Podosphaera fuliginea) symptoms on squashes (general) (Cucurbita pepo)

A cucumber plant showing signs of powdery mildew infection in the field.

Howard F. Schwartz, Colorado State University, Bugwood.org

A cucumber plant showing signs of powdery mildew infection in the field.

A pumpkin leaf infected by the powdery mildew fungus <em>Sphaerotheca fuliginea </em>in the field.

Howard F. Schwartz, Colorado State University, Bugwood.org

A pumpkin leaf infected by the powdery mildew fungus Sphaerotheca fuliginea in the field.

A pumpkin field with signs of initial powdery mildew infection caused by the fungus <em>Sphaerotheca fuliginea.</em>

Howard F. Schwartz, Colorado State University, Bugwood.org

A pumpkin field with signs of initial powdery mildew infection caused by the fungus Sphaerotheca fuliginea.

A pumpkin field with signs of advanced powdery mildew infection caused by the fungus <em>Sphaerotheca fuliginea.</em>

Howard F. Schwartz, Colorado State University, Bugwood.org

A pumpkin field with signs of advanced powdery mildew infection caused by the fungus Sphaerotheca fuliginea.

powdery mildew (<em>Podosphaera fuliginea</em>) symptoms on squashes (general) (<em>Cucurbita pepo</em>)

Jason Brock, University of Georgia, Bugwood.org

powdery mildew (Podosphaera fuliginea) symptoms on squashes (general) (Cucurbita pepo)

powdery mildew (<em>Podosphaera fuliginea</em>) symptoms on squashes (general) (<em>Cucurbita pepo</em>)

Jason Brock, University of Georgia, Bugwood.org

powdery mildew (Podosphaera fuliginea) symptoms on squashes (general) (Cucurbita pepo)