Downy Mildew of Peas

Peronospora viciae

Description:

A fungal disease that causes the upper surfaces leaves to yellow, usually from the base or margin. Thick grey brown furry growth develops on the underside of leaves as the disease progresses.

Species Affected:

Pea.

Biology:

Favoured by wet weather.

Life Cycle:

Origin and History:

Distribution:

Significance:

Management and Control:

Destroy infected crop residues

Plant in well-drained, sunny areas.

Avoid watering late in the day.

Improve air circulation.

Apply fungicides and include a wetting agent.

Related and Similar Species:

References:

1205

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 for more information.