Black Spot of Peas
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
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:
Management and Control:
Use healthy seed.
Do a PreDicta B soil test which is available from SARDI Root Disease Testing Service.
Treat seed with fungicide containing thiram.
Delay planting to a cooler period of the year e.g. Late June rather than May to early June.
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:
Collated by HerbiGuide. Phone 08 98444064 or www.HerbiGuide.com.au for more information.