- 10 - 

 Tnble 1 . Water core in Starklng and Rlchared DeHc!oun applew at barvegt, 1961. 



Pick ing Date 



Per Cent A p ples With Water Core at Harvest 

 Slight I Mediuro I Heavy I Total 



Starking Delicioua 



Average Flesli 

 Fimmess (lbs.) 



Immediately after harvest on each of three dates, three bushels of each 

 strain were placed In regular refrigerated 32*^^' otorage and in CA storage operated 

 at 32"f temperature and atmospheres of 2 to 3 per cent oxygen and carbon dioxide. 

 Two bushels from the other block of trees were placed in each of the two types of 

 storages. 



On April 3, 1962 the fruits were removed from the storage and were held at 

 room temperature for seven days prior to examination for water core and internal 



breakdown. 



T able 2 . A comparison of storage disorders in Starking and Rlchared Delicious 

 stored in CA and regular storage until April 3, 1962 and then held at room temper- 

 ature for seven days. 



Water core and Internal breakdown were not serious in either Delicious strain 

 harvested September 29 and October 9, 1961 (Table 2). The Delicious harvested 

 October 24 and 25 had considerable water core and internal breakdown and these 

 disorders were more prevalent in the fruit from regular storage than from CA. 



Browning of the flesh was evident in some of the stored fruit harvested 

 in October, 1961. The severity of the disorder appears to be related to harvest 

 date and was less severe in fruit stored in CA than in regular storage. Whether 

 flesh browning is associated with water core that had disappeared or with 

 senescence is not knowa. 



It is of interest to note that, after storage in CA, 4 per cent of the 

 Rlchared Delicious harvested October 24 and 8 per cent harvested October 25 had 

 water core with no internal breakdown. This disorder was slight and would not 

 have been objectionable to the consumer. On the other hand, after storage in a 

 regular refrigerated 32°F room, only one Rlchared Delicious apple harvested on 

 these two dates had water core without the accompanying internal breakdown. 



