-22- 



Fruit Ca was 109, 155, 142 and 118 parts per million in dry 

 flesh, respectively. Breakdown was 33, 4, 10 and 17%, res- 

 pectij^ely, for fruit air stored at 32 F for 5 months and then 

 at 72 F for 7 days. These results agree with those of previous 

 years and show the positive effect of increased fruit Ca to 

 reduce storage breakdown of Massachusetts-grown Mcintosh apples. 

 We do not recommend long-term storing of Mcintosh apples with 

 less than 150 ppm flesh Ca. 



Questions have been asked about possible accumulations of 

 chloride (CI) in the soil. Chloride salts are highly soluble. 

 Research in the Netherlands showed that there was no annual 

 buildup or accumulation of chloride where annual rainfall exceeded 

 30 inches per year. Rainfall in all areas of Massachusetts 

 exceeds 30 inches per year. 



Annual rates of application of potassium chloride fertilizer 

 for corn silage, vegetable crops and alfalfa in Massachusetts 

 usually exceed 200 pounds per acre, supplying about 100 pounds 

 of chloride per acre. Our recommendation of foliar CaCl^ amounts 

 to 75 pounds CaCl2 annually. This contains about 35 pounds of 

 chloride per acre. Also it is important to note that this 35 

 pounds of chloride is applied in 6 to 8 increments of 4 to 6 

 pounds per acre per foliar application as compared to the 100 

 pounds of chloride in one application for corn, vegetables and 

 alfalfa. 



********** 



RECOMMENDATIONS FOR USE OF GROWTH REGULATORS 



Readers of FRUIT NOTES from outside New England have in the 

 past requested our recommendations for use of growth regulators. 

 Our recommendations for growth regulator use on apple trees, start- 

 ing this year, now are included in the New England Apple Pest Con- 

 trol Guide which is revised annually. 



