Crew members found a white powdery substance on a passenger seat.
In 1966, the systemic fungicide ethirimol was released for the control of powdery mildew in cereals.
The lowest part of these deposits, directly situated on the floors, nearly always consisted offineand powdery black ash.
On the earlier frontier, punk was dry, powdery fuel (from rotten wood to dry buffalo chips) used to help get afirestarted.
In contrast to leaf rust which attacks mesophyll cells, the interaction between wheat and wheat powdery mildew occurs in leaf epidermal cells.
The photographs even convey the effect of the pastel colours that appear as a radiating powdery chrome rather than paint applied to the surfaces.
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