Black Spot of Peas

Mycosphaerella pinodes

Description:

A fungal disease causing black to purple blotches on leaves, stems and pods. A rot may develop at ground level that girdles and kills the plant

Species Affected:

Pea.

Biology:

Favoured by cool, damp weather.

Carried on seed.

Spores are spread by wind.

It is often associated with Ascochyta.

Life Cycle:

Origin and History:

Distribution:

Significance:

Management and Control:

Use healthy seed.

Do a Predicta-B soil test from SARDI Root Disease Testing Service.

Treat seed with fungicide.

Don't plant Peas on areas that have had Peas in the last 3 years or within 500 m of Peas from the previous season.

Plant in well-drained areas. Avoid over watering

Destroy infected crop residues.

Fungicide programs have generally not been very successful.

Related and Similar Species:

References:

1205

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 for more information.