7 - 



throughout the area, with fly counts on my sticky traps running 2-4 times 

 higher than for several years . 



This is a pest of ripe fruit, though some seasons if flies emerge 

 early, eggs are deposited in green fruit. However, they don't mature 

 until after this fruit is ripe. Because of a long fly emergence period, 

 as well as fly migration, they can and do cause trouble throughout the 

 picking season. 



To control, apply carbaryl or malathion at 7 to 10-day intervals, 

 starting when the first few normal berries turn blue. Picking bushes 

 clean and regularly helps keep this pest from having a chance to develop 

 into a serious infestation. 



In those areas where Japanese beetles are numerous, it is a very 

 serious pest of cultivated blueberries because of its fondness for ripen- 

 ing berries and tender foliage. On warm, sunny days, they congregate in 

 large numbers on the top berry clusters and seriously damage the crop by 

 their scoring of berries. Carbaryl gives outstanding control of this 

 pest, therefore, in those areas where Japanese beetles as well as maggot 

 are a problem, carbaryl is the first recommendation for control of these 

 two pests. 



In addition to these, fall webworms and Datana worms, which feed in 

 groups and sometimes defoliate individual bushes, cause some concern at 

 times. Also, several sucking insects, such as heath spittlebug, plant 

 bugs and leafhoppers are minor drains on the bushes, and the sharp -nosed 

 leafhopper has the added distinction of spreading the stunt disease virus 

 of blueberry. All of these lesser pests are controlled by the controls 

 aimed at the more serious pests, such as fruitworm and maggot. 



*************** 



MACS MUST BE KEPT COLD 



William J. Bramlage 

 Department of Plant and Soil Sciences 



As a part of a larger experiment conducted in our storages in Am- 

 herst, we compared the storage life of Mcintosh apples held in 2 different 

 regular air storages. Both of these storages were set to maintain a tem- 

 perature of about 32 F. However, one room had an excellent temperature 

 control system and averaged 32.4 F. over a 3-month period, while the other 

 room had a poor temperature control system and averaged 34.5°F. in the 

 morning during the 3-month period. Furthermore, the temperature in the 

 poorly controlled room rose to 38-40° 3 times a week during an afternoon 

 defrosting cycle. The behavior of the apples in these 2 rooms illustrated 

 strikingly the necessity of a good temperature control system. 



In Table 1 are shown the flesh firmness readings on the fruit when 

 removed from the 2 rooms. The apples from the poorly -controlled room 



