New YorkK AGRICULTURAL EXPERIMENT STATION. 337 
for the first two trees and the sulphur and lime for the second 
two, the principal object being to determine to what extent the 
sulphur and lime could be reduced and yet retain the adhering 
and killing qualities of the mixture. The mixture was prepared 
in the usual way in each case and boiled not less than two 
hours. The trees were sprayed July 1. The weather was bright 
and very warm. The three following days were among the 
warmest of the season, and the rainfall during the following 
month was above the average. 
Tree 1. This tree was encrusted with the scale on the trunk 
and all of the larger branches. The fruit, which was abundant, 
was also badly infested. The wash for this tree was made after 
the following formula: 
Lume; unslaked. BSA TIRE 10 pounds. 
SripPMar A rOUN a ION). EARN SY, om 5 pounds. 
COTA Tn ete, HOPE, PES AS BE 45 gallons. 
Tree 2. This tree was infested to about the same degree as 
No. 1. In this case five pounds more of lime was used with the 
same amounts of sulphur and water. 
Tree 3. This tree and No. 4 were infested to somewhat less 
degree than Nos. 1 and 2 but the trunks and most of the larger 
limbs were well encrusted. The fruit, although less seriously 
injured was so badly infested as to be unmarketable. The in- 
gredients of the wash were used in the following proportions 
for this tree: ¢ 
PTO SPUTISIABEOM e iu.s e's ee eck ee seater ohe aces 10 pounds. 
BURR PROT OUIIU ee fos tstegs toes eee se 24 pounds. 
PETERS et eee eh ey eee Pees 45 gallons. 
Tree 4. The same formula was used for this tree except that 
15 pounds of lime was used in place of 10 pounds. 
RESULTS. 
The trees showed the effects of the treatment almost immedi- 
ately. -Within three days the foliage of Nos. 1 and 2 was badly 
wilted and the trees soon dropped all of their leaves. Further 
than this there was no evidence of injury. The fruit remained 
on the trees. On both trees the scales were killed except on 
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