HORTICULTURE. 939 



of selectiou. By usiiifr a jrrociilKnisc for (Uic ^ciu'ratioii a poar-shaiuHl. yellow 

 fruit was transferred from a standard to a dwarf vine in a year from the time 

 tbe orifriiial cross was made. Since these characters were all recessive no fur- 

 ther fixing was required. 



Mendel's law applied in tomato breeding, A. G. Craig (Proc. Hoc. Hort. ScL, 

 1907. pp. 2.'i-27). — The results secured by the author in a test of Mendel's law 

 as applied to tomatoes appear to have borne out the Important features of 

 the Mendelian theory, althouj^h the numerical proportions of the different 

 character combinations secured as worked out by Mendel for peas (E. S. R., 

 13, p. 744) did not appear to hold for tomatoes. The author is of the opinion 

 that unit characters and correlation of characters can be determined only by 

 growing the hybrids i-esnlting from any particular cross, except possibly where 

 the {)edigrees of both parents are known. 



fA study relative to the influence of fertilizers on the structure of the 

 tomato), (). M. Mokkis (Okhiliomd Hta. Rpt. 1908, pp. 13-15). — Experiments 

 were conducted for 8 successive years to determine whether different projjor- 

 tions of fertilizer inirredients applied to the soil would influence the relative 

 amounts of seed pulp and solid flesh of the tomato. Several combinations of 

 fertilizer and over 40 varieties of tomatoes were included in the work. The 

 data secured indicate that there is practically no influence exerted by different 

 fertilizers in increasing or decreasing the relative amount of solid flesh and 

 seed pulp. The author also finds that the best varieties are not necessarily 

 those that have the greatest projiortion of solid flesh in the fruit. 



Report of the South Haven Substation for 1907, L. R. Taft and F. A. 

 WiLKKN (Mi<hi(/(in Htn. Spec. Bui. .'fG. pp. 5-i-J ) .—Notes are given in this report 

 on the condition of the orchard and small fruits and nuts being tested at the 

 substation (E. S. R., 20, p. 143), together with an outline of cultural and fer- 

 tilizer tests and data on tests of some of the newer prepared scale-destroying 

 mixtures, and a comparative test of the common arsenic compounds. 



The season of 1907' was cold and backward. All of the peach trees at the 

 station were winterkilled. Of the plums, only the Japanese varieties were 

 affected, and Satsuma and Red June were the only varieties killed. All of the 

 grapevines were killed back more or less, there being no difference noted in 

 the resistance of varieties to the freeze. The .Japanese walnuts, both the Siebol- 

 diana and the Cordiformis, were seriously injured, the entire tops being killed 

 except in limbs measuring 3 in. or more in diameter. The new growth of chest- 

 nuts was killed in most varieties, and the .Japanese chestnuts were all killed. 

 Hazelnuts and filberts, as well as the pecan, which is a southern tree, were not 

 affected by the freeze. Generally speaking, the blossoms were 3 weeks behind 

 their usual time and lasted for an unusually long iieriod. Spring frosts did 

 much damage to cherry and early strawl)erry blossoms. 



New varieties of strawberries which" fruited at the station are described, and 

 lists are given of the gooselterries and curtants showing the degree of freeiiom 

 from cane borer.s, and of varieties of apples subject and not subject to injury 

 from Bordeaux mixture. In the spraying tests none of the preparetl scale- 

 destroying mixtures were as satisfactory as the home-made lime-sulphur wash. 

 Arsenate of lead was found to l»e superior to the other arsenic compounds in 

 spraying for the prevention of woi-niy apiiles. 



Fifth biennial report of the Montana State Board of Horticulture (Bien. 

 Rpt. Mont. lilt. Hart., •'> {1901-H), pp. <;.?. /iys. J/). — This rejiort contains a review 

 of the work done by the State board of horticultufe. statistics showing the 

 volume and charactei- of tli<' fruit industry in Montana, and other information 



82394— No. 10—09 4 



