peared. However, the calcium levels in these samples were all 

 above 0.0175%, and if Cortland is comparable to Mcintosh and 

 Spartan, we can see from Tables 2 and 4 that there should not have 

 been much incidence of disorders, as we found there was not. 



Table 4. Calcium level and senescent breakdown of Spartan apples 

 stored at 31°F. (From Mason, J.L. and J.M. McDougald. 

 1974. J. Amer. Soc. Hort. Sci . 99:318-321.) 



Flesh calcium content (%), 

 3-year avg. 



Senescent breakdown (%), 

 3-year avg. 



0131 

 0139 

 0150 

 0178 



25 



18 



9 



1 



In summary, while we have not conclusively established calcium 

 deficiency in Mcintosh apples and its postharvest consequences, a 

 number of observations strongly suggest that calcium deficiency 

 does exist in Massachusetts Mcintosh, and that where it does exist 

 it is causing reduced storage life and increased wastage of the 

 appl es . 



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



FRUIT NOTES INDEX FOR 1974 



(This index of major articles has been prepared for those who keep 

 a file of Fruit Notes. The number in parenthesis indicate the 

 pages on which the item appears.) 



January-February 



Progress in Breeding Hardy Rootstocks and Hardy Peaches for 



the Fresh Market at Harrow (1-3) 

 Varieties of Blueberries for Massachusetts (4-5) 

 Performance and Anchorage of Rootstock-Scion Combinations 



under High Moisture Conditions (6-7) 

 Hay Mulch May Be a Valuable Supplement to a Herbicide Program 



(7-10) 



March-Apri 1 



Chemical Frost Protection for Fruit Blossoms (1-2) 

 Suggestions for Fertilization of Peach Trees in 1974 

 Calcium Distribution in 'Merton' Apple Fruits (3-4) 

 Suggestions for Fertilization of Apple Trees in 1974 

 Do Your Blueberry Plants Have Tired Blood? (7-8) 

 Misnamed Trees and Propagation of the Unknown (8-9) 



(2-3) 

 (4-7) 



