Name: Daisy I Reno, Nv (Zone 6b) Not all who wander are lost
To my eye, the powder on this plant looks to be too much for just farinose powder but, I agree with Baja, I wouldn't do anything. Maybe next time it needs to be watered, spray the leaves with water and see what washes off.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost
President: Orchid Society of Northern Nevada
Webmaster: osnnv.org