Killing of Plant Tissue by Low Temperature 



265 



Georgia, through the kindness of Professor U. P. Hedrick of the 

 Geneva, New York, Experiment Station; of the Ozark Fruit Farm 

 Company of Brandsville, Missouri; and of Professor H. P. Stuckey 

 of the Georgia Experiment Station. The following table gives the 

 results of our freezings: 



Table 40. Showing the Relative Hardiness of Elberta Peach 



Fruit Buds From New York, South Missouri, 



Central Missouri and Georgia. 



Buds from: 



Geneva, New York. . . 

 Columbia, Missouri.. 

 Geneva, New York. . . 

 Columbia, Missouri. . 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Geneva, New York.. 

 Columbia, Missouri.. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Brandsville, Missouri. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Brandsville, Missouri. 

 Geneva, New York... 

 Columbia, Missouri.. 

 Brandsville, Missouri. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Brandsville, Missouri. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Experiment, Georgia. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Experiment, (jcorgia. 

 Geneva, New York. . . 

 Columbia, Missouri.. 

 Geneva, New York. . 

 C'olumbia, Missouri.. 

 Experiment, Georgia. 

 Cieneva, New York. . . 

 Columbia, Missouri.. 

 Experiment, Georgia. 



Date 



Nov. 



Nov. 



Nov. 



Nov. 



Dec. 



Dec. 



Dec. 



Dec. 



Dec. 



Dec. 



Dec. 



Dec. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Jan. 



Dec. 



Dec. 



Dec. 



Jan. 



Jan. 



Jan. 



Feb. 



Feb. 



Feb. 



Feb. 



Feb. 



Feb. 



Feb. 



Feb. 



27 



27 



27 



27 



12 



12 



24 



24 



26 



26 



28 



28 



1 



1 



1 



1 



1 



1 



4 



4 



4 



4 



4 



4 



17 



17 



17 



19 



19 



19 



22 



22 



25 



25 



25 



25 



25 



, 08 

 ,'08 

 ,08 

 ,'08 

 ,'08 

 ,'08 

 ,'08 

 ,'08 

 ,'08 

 ,'08 

 ,'08 

 ,'08 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'09 

 ,'10 

 ,'10 

 ,'10 

 ,'10 

 ,'10 

 ,'10 

 ,'10 

 ,'10 

 ,'10 

 .'10 



Tem- 

 pera- 

 ture 



25, '10 



-25 



-25 



-17.5 



-17.5 



-20.5 



-20 



-20 



-20 



-21 



-21 



-21 



-21 



-20.5 



-20.5 



-20.5 



-22 



-22 



-22 



-21.5 



-21.5 



-21.5 



-22 



-22 



-22 



-21 



-21 



-21 



-19.5 



-19.5 



-19.5 



-22 



-22 



-21 



-21 



-21 



-21 



-21 



-21 



N u m- 



ber 

 Frozen 



55 



63 



121 



147 



152 



111 



129 



283 



195 



216 



76 



194 



73 



178 



95 



85 



158 



110 



32 



76 



81 



26 



87 



79 



159 



282 



124 



115 



107 



84 



130 



219 



15 



200 



82 



17 



127 



74 



Percent- 

 age 

 Killed 



Fifteen freezings Geneva buds, average. . . 

 Fifteen freezings Columbia buds, average. 

 Four freezings Brandsville buds, average. 



100 



100 

 33.8 

 68.7 

 59.8 

 37.8 

 96.9 

 67.5 

 59.4 

 33.6 

 81.5 

 57.2 



100 

 57.8 

 40.0 



100 

 83.5 

 44.5 



100. 

 59.2 

 34.5 



100 

 78.1 

 35.4 

 83.0 

 98.2 

 98.3 

 91.3 

 92.5 

 98.8 

 83.3 

 40.6 

 60 . 

 20.0 

 97. 

 76. 

 58. 

 94. 



,5 



.4 



2 



5 



81.8 

 67.2 

 38.6 



