Some powdery mildews from Madhya Pradesh.

Abstract

Powdery mildew diseases on 10 tree species are described from Madhya Pradesh. The mildews on Acacia auriculaeformis [A. auriculiformis] (caused by Acrosporium (Oidium)), Bauhinia vahlii (caused by Phyllactinia guttata) and Butea monosperma (caused by Erysiphe polygoni) are reported for the first time in India and 5 others are new records for Madhya Pradesh. Diseases on the other 7 tree species are: Phyllactinia guttata on Cassia fistula (a new record for Madhya Pradesh), Dalbergia sissoo, Schrebera swietenioides (a new record for Madhya Pradesh), Terminalia arjuna (a new record for Madhya Pradesh) and Toona ciliata (a new record for Madhya Pradesh); Erysiphe cichoracearum on Mangifera indica (a new record for Madhya Pradesh); and Uncinula tectonae on Tectona grandis.