-4 



NEW YORK STATE MUSEUM 



The check trees bore 389 and 599 apples, respectively, the per- 

 centage of wormy fruit being 11.05 and 14.35, respectively, a marked 

 change from the 60.59 and 68.52 per cent of wormy fruit of the 

 nearby check in the experiments of 19 15. The end- wormy apples 

 on these two trees were comparatively few, while by far the greater 

 number showed the characteristic " shallow " type of injury and 

 this alone indicates that this method of feeding is not affected to 

 any material extent at least, by the spraying of the season during 

 which the damage occurs. 



Kendall orchard, summary of plots 1916 



TOTAL 

 FRUIT 



PER- 

 FECT 



LEAF 

 ROLLER 



CODLING MOTH, WORMY 



Total 



End 



Side 

 July 



Shal- 

 low 



Side 



August 



1 Total 



6 838 



2 Total 



3 064 



3 Total 



1 450 



1-3 Total 



n 352 



Two special 



Total 



1 354 



Checks 



Total 



Per cent 



988 



3 680 

 53.84 



1 999 

 65.20 



1 007 

 69.44 



6 686 

 58.98 



786 

 58.05 



377 

 38.15 



I 596 

 23-35 



290 

 9.46 



73 

 5 03 



1 959 

 17.24 



201 

 14.87 



454 

 45-95 



1 270 

 18.58 



588 

 19.19 



202 



13-93 



2 060 

 18.15 



263 

 19.42 



165 

 16.59 



662 

 9.68 



266 

 S.68 



207 

 14.27 



1 135 

 10.01 



172 

 12.70 



129 



13 05 



153 

 2.23 



34 



196 



I.72 



15 

 I. 10 



19 



1.72 



339 



4.96 



180 

 5.87 



175 

 12.06 



694 

 6. 11 



132 



9.82 



89 

 9.00 



190 

 2.78 



57 

 1.20 



34 

 2.35 



281 

 2.47 



A study of the summary of the plots gives in brief compass an 

 idea of the results obtained. It will be noted, first of all, that the 

 yields of plots 1, 2 and 3 decreased, each, as was true last year, 

 being about one-half smaller than the preceding and that there is 

 a higher percentage of wormy fruit on plot 3 than in the case of 

 either plots 1 or 2, this apparent anomaly being due, in our esti- 

 mation, to the much smaller crop on plot 3. There is a constant 

 increase in the percentage of perfect fruit between plots 1 and 3 , this 

 being due in large measure to a reduction in the amount of scabby 

 fruit, a condition by no means adequately expressed by the figures, 

 since the scabby areas were decidedly smaller on the apples of plot 3. 



Compared with the check or unsprayed trees,- these three plots 

 show a very marked improvement in the amount of perfect fruit 

 and a substantial though by no means so striking a difference in 



