144 EXPERIMENT STATION EECORD, 



citrus fruits being grown in the departmental orchards, including financial 

 statements for tlie year. 



Investigations on the root growth, of fruit trees, Goethe {Jahrb. Deut. 

 Landw. Gesell., 25 (1910), No. 1, pp. 61-72, pl^. 8). — Results are given of exam- 

 inations made of the root systems of different kinds of fruit trees. The work 

 is discussed under the general headings of the characteristic root development 

 of different fruit trees, the conditions influencing root development, and the 

 relation of root diseases to tree sickness. 



Notes on the time of blossoming of fruit trees, C. H. Hooper (Jour. Bd. 

 Agr. [London]. 17 (1910), Xo. 1. pp. 32-3S). — This consists of notes for the 

 season of 1909 relative to the blossoming period of different varieties of orchard 

 and small fruits, the data being based on records made at the Wye Agricultural 

 College at Kent and at other points in England. 



Prevention of frost injury to fruit crops, G. B. Brackett ( U. 8. Dept. 

 Agr. Yearbook 1909, pp. 557-367/, pi. 1, fig. 1). — The author briefly reviews 

 the exiierimental work conducted along this line, including the use of explosives, 

 smudges and heating devices, and gives illustrations of the successful employ- 

 ment of heating devices in western orchard sections, including data relative to 

 the cost of equipment and maintenance. He concludes that the abundance of 

 testimony is sufficiently ample to warrant the statement that the prevention of 

 frost injury to fruit crops has passed the experimental stage and has become 

 a well established fact. 



Investigations on the causes of premature dropping of fruits, G. Bellair 

 (Rev. Hort. [Paris], 82 (1910), No. 8, pp. 182-18',, figs. 4).— The author briefly 

 reviews various causes of premature dropping of fruits and indicates remedies 

 for the trouble. 



The handling of deciduous fruits on the Pacific coast, A. V. Stubenrauch 

 (V. .s'. Dept. Agr. Yairhook 1909, pp. S65-37-'i, pis. 3). — This paper contains 

 practical suggestions relative to the preparation for shipment and marketing 

 in fresh condition of such fruits as apples, apricotg, cherries, peaches, pears, 

 plums, nectarines, grapes, and small fruits. The subject matter, which is based 

 upon the fruit shipment and storage investigations of the Bureau of Plant In- 

 dustry (E. S. R., 20, p. 1037) is discussed under the following headings: Trans- 

 portation problems, handling, jiacking and marketing, mechanical injuries, and 

 refrigeration including prec-ooling. 



Picking and packing citrus fruits, M. J. Iorns (Porto Rico Sta. Circ. 8, 

 Spanish cd., pp. ^-19, figs. 2). — The English edition of this circular has been 

 previously noted (E. S. R., 21, p. 239), 



Fruit growing, storage, and marketing in the United States, N. Kaumanns 

 (Jahrb. Deut. Landw. Gesell, 25 (1910), No. 1, pp. 80-91).— This has been noted 

 from another source (E. S. R.. 22, p. 734). 



Preliminary observations on the adaptability of native varieties of grapes 

 of Piedmont as scions for grafting on American vines, C. Sante (Bol. Quiud. 

 Soc. Agr. ItaL. 15 (1910), No. S. pp. 326-329). — The observations are based on 

 experiments conducted at the Alba school of enology and consist principally of 

 notes on the character of grafts made between a number of native grapes and 

 various American species and hybrids. 



Review of phylloxera and of the American vines, C. Grimaldi (Rivista 

 [Conegliano], 4. ser., 16 (1910), Nos. 5, pp. 97-103; 6, pp. 121-124; 7, pp. 145- 

 150; 8, pp. 169-173). — This consists of a report to the Italian Agricultural 

 Society of an investigation into the failure of a number of American and French 

 grape stocks used in reconstituting the vineyards of Sicily. As reported in a 

 similar investigation by A. Ruggeri et al. (E. S. R., 22, p. 448) the phylloxera 

 does not appear to be the principal cause of the failure, many of the vines 



