-21 



Table 1. Percent arriving apple maggot flies attempting egglay- 

 ing into fruits exposed to summer rain storms. Non 

 rain-exposed fruits were protected from rain under 

 plastic hoods. 



-a ^ 



Rain with Attempted Rain with Attempted, 



pH 4.0-4.2 egglaying^ pH 3.6-3.8 egglaying 



Non rain-exposed Non rain-exposed 



fruits 50 fruits 65 



Rain-exposed Rain-exposed 



fruits 55 fruits 46* 



, Average of 6 storms 

 Average of 3 storms 

 *Signif icantly less than egglaying into non rain-exposed fruits 



NEW PUBLICATIONS AVAILABLE 



Two new publications are available to the public. 



One, entitled "Postharvest disorders of apples and pears," 

 was prepared by S.W. Porritt and M. Meheriuk of the Agriculture 

 Canada Research Station, Summerland, British Columbia, and by 

 P.D. Lidster of the Agriculture Canada Research Station, Kent- 

 ville. Nova Scotia. It contains excellent color prints of various 

 disorders along with very useful information about the disorders. 

 It is available free, as Publication 1737, from the Communications 

 Branch, Agriculture Canada, Ottawa, Ontario K1A0C7. 



The second publication was prepared by CD. Blanpied and 

 R.M. Smock of Cornell University and is entitled, "Storage of 

 fresh market apples." It contains a great deal of information on 

 current thinking about apple storage management, and is available 

 as Information Bulletin 191 for a fee from Distribution Center C, 

 7 Research Park, Cornell University, Ithaca, New York 14850. The 

 fee is $4.50 per copy. Send a check or money order payable to 

 Cornell University. Be sure to print your name, complete address, 

 and ZIP code clearly on your request for the publication. 



