LITERATURE DIRECTLY RELATING TO BITTER PIT. 



Ill 



LITER ATUE E DIRECTLY RELATING To BITTER PIT. 



1. Allen, W. J. Orchard Notes— April. Agricultural Gazette, New South Wales, XII., p. 509. 1901. 

 List of varieties affected. 



2 - Orchard Notes— July. Ibid., XXIII.. p. 040. 1912. 



Experiments recommended for controlling this trouble—liming, watering, drainage, spraying with lime and 

 sulphur solution, and pruning. * 



3. ALLISON, J. Treatment of Bitter Pit in Apples. Agricultural Gazette, New South Wales, IX., p. 561. 1898. 



Spraying with Bordeaux mixture said to be effective. 



4. Anonymous. The Cause of Bitter Pit, Queensland Agricultural Journal, p. 84. August, 1911. 



Various theories given, but that of spraying with arsenate of lead specially referred to. 



5 * Bitter Pit. South Australian Journal of Agriculture, XV., No. 2, p. 120. September, 19 1 I . 



Record of experiments being conducted at Government Experiment Orchard at Blackwood. 



**' ; " ^S? bni ?? der Kundfrage nach stippigen Apfelsorten. Der praktische Ratgeber im ObsUund Gartenbau, p 143. 

 April, 1909. Frankfurt. 1 



Results of replies to questions concerning Bitter Pit from 107 German orchardists. 



7. Benson, A. H. Apple Culture— Bitter Pit. Agricultural Gazette, New South Wales, V., p. 408. 1894. 



Said to be spreading rapidly in the Colony, and no remedy can be suggested. 



8. Bowles, E. A. (and others). Bitter Pit in Apples. The Journal of the Royal Horticultural Society, XXXVII Pt III 



p. ccxvi. March, 1912. ' 



Disease particularly prevalent, even among hard-fleshed apples, this season (1911). " No fungi or bacteria have 

 been found connected with it, and it appears to be a disease of physiological origin rather than due to any 

 parasite. J 



9. Brooks, C. The Fruit Spot of Apples. Bulletin, Torrey Botanical Club, XXXV., p. 423. 1908. 



Fruit pit and fruit spot distinguished, the former due to abnormal physiological conditions and the latter to 

 Gf/hndrosponum pomi, Brooks. Vascular system of apple represented. 



10 - — — Some Apple Diseases — Fruit Pit. New Hampshire Sta. Bull. 144, p. 119. 1909. 



The disease described and illustrated. " Nothing definite can be given as to prevention." 



11. — Fruit Spot of Apple. Duggar's Fungous Diseases of Plants, p. 341. Ginn and Co., London, 1911. 



The Fruit Spot due to Gylindrosporium pomi is described, but it is noted that " the ' Stippen 1 disease lone 

 known in Europe, and now reported from several parts of the United States, is regarded as entirely distinct 

 and probably not of fungous origin." ' 



12. Carmody, P. J. Bitter Pit. Report, Department of Agriculture, Victoria, 1907-10, j.. 211. Government Printer 



Melbourne, 1910. 1 



Principal contributing causes given — susceptibility, over-developed fruit, unevenly developed fruit, excessive 

 nitrogenous manures, and faulty pruning. 



13. Clinton, G. P. Baldwin Spot. Report of Connecticut Agricultural Experiment Station, 1903, p. 302. 



" It is generally considered a physiological trouble, possibly resulting from too great loss of water at these places." 



14. Baldwin Spot, Ibid., Part VII., p. 589. 1910. 



A physiological disease, but cause unknown. 



15. Cobb N. A An Obscure Disease. Another Obscure Disease of the Apple. Agricultural Gazette, New South Wales 



III., pp. 284 and 1004. 1892. 



Fungus and punctures of insects mentioned as probable causes. 



16. Bittter Pit of the Apple. Ibid., VI., p. 859. 1895. 



Name of Bitter Pit first suggested. . 



