204 FUMIGATION METHODS 
by all growers who followed up the experiments. 
The cost of treatment was the same as that of the blue 
oil emulsion and slightly in excess of the resin work. 
FIG. 75—FUMIGATING IN G. TURNER’S ORCHARD AT 
GLENORIE, NEW SOUTH WALES. (AFTER ALLEN) 
The fumigated trees made a better growth than those 
in the same orchard not treated. 
Several prominent growers requested Mr. Allen to 
fumigate one or two badly infested trees in their 
orchards, and, by the way of experiment, wished him 
to give the trees an extra charge. ‘They wanted to 
make sure of killing the scale and see also the effect on 
