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Pathogen

Peronospora valerianellae

Overview

Scientific name

Peronospora valerianellae

Genus

Peronospora

EPPO code

PEROVA

Common name

Mildew

Synonyms

Description

From ISTA Working Sheet #51:

Use a seed wash to liberate oospores from surface of testa. Oospores are globular, sub-hyaline and measure 36-60 μm in diamter. 

Images of Peronospora valerianellae

Peronospora valerianellae on Valerianella locusta
click for more information

Peronospora valerianellae on Valerianella locusta

Image credits: Ruud Barnhoorn, 0

What you see are typical snow like dust on the leaves of corn salad in the close up picture you see round thickwalled oöspores


sterilisation: - - | growth time: 21 days | temperature: 14+/- 2C | lighting: 12 hrs of light (4.000-11.000 lux) and 12hrs in darkness, 70% RHU | plate size: - | agar: soil ( -) |
DNA testing: -

Peronospora valerianellae on Valerianella locusta
click for more information

Peronospora valerianellae on Valerianella locusta

Image credits: Ruud Barnhoorn, 0

What you see are typical snow like dust on the leaves of corn salad in the close up picture you see round thickwalled oöspores


sterilisation: - - | growth time: 21 days | temperature: 14+/- 2C | lighting: 12 hrs of light (4.000-11.000 lux) and 12hrs in darkness, 70% RHU | plate size: - | agar: soil ( -) |
DNA testing: -