PREHARVEST APPLE DROP 23 



Literature Cited 



1. Batjer, L. p. Temperature in relation to effecfhuviess of prcharvcst drop 

 sprays on apples. Proc. Amer. Soc. Hort. Sci. 40: 45-48. 1942. 



2. Batjer, L. P., and Haller, M. H. Fruit maturity and groivth of apple trees 

 as affected b\ boron content. (Preliminary Report). Proc. Amer. Soc. Hort. 

 Sci. 40: 29-30. 1942. 



3. Batjer, L. P. and Marth, P. C. Further studies zvith sprays in controlling 

 preharvest drop of apples. Proc. Amer. Soc. Hort. Sci. 38: 111-116. 1941. 



4. Dickson, G. H. Some factors affecting the dropping of Mcintosh apples. Sci. 

 Agr. 19: 712-721. 1939. 



5. Eleenwood, C. W.. and Howlett, Freeman S. Preharvest spravs i)i Ohio. 

 Proc. Amer. Soc. Hort. Sci. 42: 193-197. 1943. 



6. Gardner, F. E., Marth, P. C, and Batjer, L. P. Spraying unth groivth sub- 

 stances to prevent apple fruit dropping. Science 90 : 208-209. 1939. 



7. Heinicke, a. J., Reuther, Walter, and Cain. J. C. Influence of boron appli- 

 cations on preharvest drop of Mcintosh apples. Proc. Amer. Soc. Hort. Sci. 

 40: 31-34. 1942. 



8. Hitchcock, A. E., and Zimmerman, P. W. The use of naphthaleneacetic acid 

 and its derivatives for preventing fruit drop of apple. Proc. Amer. Soc. Hort. 

 Sci. 38: 104-110. 1941. 



9. Hoffman, AI. B., Edgerton, L. J., and Van Doren, A. Some results in con- 

 trolling the pre-harvcst drop of apples. Proc. Amer. Soc. Hort. Sci. 40 : 35-38. 

 1942. 



10. Hoffman, M. B., Van Doren, A., and Edgerton, L. J. Further tests on the 

 methods of applvinq naphthaleneacetic acid for control of the f^reharz'cst drop of 

 Mcintosh apples. Proc. Amer. Soc. Hort. Sci. 42: 203-206. 1943. 



11. Latimer, L. P. Pollination and fruit setting in the apple. N. H. Agr. Exp. 

 Sta. Bui. 274. 1933. 



12. MacDaniels, L. H. Some anatomical aspects of apple flour and fruit ab- 

 scission. Amer. Soc. Hort. Sci. 34: 122-129. 1937. 



13. Mtrphy, Lyle AL Preharvest apple sprayinc; and fruit abscission. Proc. 

 Amer. Soc. Hort. Sci. 38: 123-126. 1941. 



14. Snedecor, George W. Statistical Methods (Third Edition). The Iowa State 

 College Press, Ames, Iowa. 1940. 



15. South WICK, Lawrence. Spur nitrogen and preharvest drop. Proc. Amer. 

 Soc. Hort. Sci. 37: 435-437. 1940. 



16. SouTHWicK, Lawrence. The Mcintosh drop. Mass. Agr. Exp. Sta. Bui. 372. 

 1940. 



17. SouTHWiCK, L.\WRENCE. Further studies on the control of preharvest drop of 

 Mcintosh. Proc. Amer. Soc. Hort. Sci. 40: 39-41. 1942. 



18. SouTHWiCK, Lawrence. Comparative results zvith sprays and dusts in control- 

 ling the preharvest drop of apples. Proc. Amer. Soc. Hort. Sci. 42: 199-202. 

 1943. 



19. Welker, E. L., and Wynd, F. L. Influence of uiiknoivn factors on the validity 

 of mathematical correlations of biological data. Plant Phys. 18 : 498-507. 1943. 



