April, 1912.] 



SOME APPLE DISEASES TREATMENT. 



13 



sequently, sprayings made in late June or early Julyare usually 

 as effective if not more so than those made earlier in the year. 

 However, orchards that have received sprayings three and four 

 for scab will not usually require later spraying for fruit spot. 

 See page 32. Both Bordeaux and lime-sulfur have given satis- 

 f actor V results. 



BITTER PIT. 



The disease known as ''Bitter Pit," "Fruit Pit," or ''Baldwin 

 Spot" is sometimes quite serious on New Hampshire apples. 



Fig. 14.— Bitter Pit. 



It is found in various sections of the United States and Canada 

 and is a very serious disease in Australia and South Africa. It 

 is particularly common on Baldwins and Northern Spies. 



It is somewhat like the fruit spot in appearance, yet it is 

 distinctly different upon close observation. In the early stages 

 of the disease the spots may show no difference in color from 

 the surrounding portions of the apple and only the slightest 

 depression. At this time they have the appearance of numerous 

 minute bruises. They soon become conspicuous as sunken 

 areas from 1-8 to 1-4 inch in diameter (Fig. 14). The depres- 



