-21- 



Table 1. Average percent insect injury on fruit at harvest in 



Previous Year IPM, First Year IPM , and check commercial 

 orchards in Massachusetts, 1981. 



1981 Injury (%)^ 



Check (7 blocks) 



1.20 



0.47 



0.23 



0.02 



0.04 



0.01 



0.01 







0.03 







Total 

 Insect Injury 2.52 3.73 2.01 



^Based on on-tree survey of 600-2400 fruit per block at harvest 

 (100 fruit per tree from each of 2 trees adjacent to each trapping 

 station) . 



^Orchards which have been on an IPM program one or more years. 



