New YorK AGRICULTURAL EXPERIMENT STATION. 257 
was, that with the increasing use of power machinery more of the 
spraying mixtures were used, and more injury resulted; and that 
the more thorough the spraying in all respects, the greater the 
amount of injury. 
7. Similar injury im unsprayed Pr ahords Thirty: nine corre- 
spondents had seen this injury only in sprayed orchards; 29 had 
seen such injury in unsprayed orchards. It- should be said that 
frost injury as described by Stewart and Eustace of this Station, 
is to be found nearly every season in New York apple orchards 
and on the fruit, at least, is easily mistaken for bordeaux injury; 
so, too,.is the work of the apple blister-mite on the leaves. 
8. Favoring conditions for “ spray injury.’— Fruit growers are 
almost of one mind as to the weather conditions favoring bor- 
deaux injury. Under one head or another, as wet, muggy, cloudy, 
and wet, wet and hot, wet and cold, 57 answered, wet weather. 
The six other answers received indicated dry weather either under 
that head or under that of sunshiny weather. It is unfortunate 
that the question of dew or no dew in these dry weather cases 
cannot be settled. 
9. What varieties are most susceptible to spray injury?— Rhode 
Island Greening, 31; Baldwin, 28; Twenty Ounce, 12; Ben Davis, 
6; Tompkins King, 6; Jonathan, 5; Snow, 5; Boiken, 3; Lady Sweet, 
2; Northern Spy, 2; Hubbardston, 2; Esopus Spitzenburg, 2; New- 
town Pippin, 2. The following were indicated but once: Fall 
Pippin, Peck Pleasant, Cranberry Pippin, Red Astrachan, Falla- 
water, Sweet Winesap, Tolman Sweet, Swaar, McIntosh, Wagener, 
Bismarck, Maiden Blush. 
The three sorts first named are the most widely grown varieties 
and the number of times they are specified in the above list is 
not an indication of their susceptibility in comparison with the other 
apples in the list. In the main, this list agrees with the one pre- 
pared from the Station orchards given on page 247. 
THE EXPERIMENTS. 
OUTLINE. 
The data from the survey suggested four experiments: 
2 Effects of bordeaux mixture on the fruit and foliage of the 
apple. 
2. Effects of bordeaux mixture on apple trees sprayed during 
“wet weather. 
° Stewart and Eustace (58). 
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