Table III 
TerGoG) k X 10° 
Methyl Parathion dust 

(Room temp.) Ones 
30 2.8 
40 7.4 
50 26 
60 116 
Under aseptic conditions, bean plants (Phaseolus vulgaris) 
apparently did not degrade parathion. When pure algal cultures were 
exposed to parathion or were added to the root chambers of the bean 
plants, amino analog was observed. Some p-nitrophenol was also 
detected (1781). 
270 
