170 Missouri Agr. Exp. Sta. Research Bulletin No. 8 



Roots 24 hrs. in solu- 

 tions of strength meas- 

 ured by freezing points 

 given below 



Date 



KALE 



Cane Sugar (.677) June 25, '13 



Glycerine (2.820) jjune 25, '13 



Potassium Chloride I 



(.775) . ...Ijune 25,'13 



Ammonium Chloride 



(.360) June 25, '13 



Water June 25, '13 



Cane Sugar (.677) July 9,'13 



Glycerine (2.820) July 9,'13 



Potassium Chloride 



(.775) ......July 9.'13 



Ammonium Chloride 



(.360) July 9,'13 



Water July 9,'13 



Tem- 

 pera- 

 ture 



-3.0 

 -3.0 



-3.0 



-3.0 

 -3.0 

 -1.5 

 -1.5 



-1.5 



-1.5 

 -1.5 



Num- 

 ber of 

 Leaves 



Percent- 

 age 

 Killed 



5 

 5 

 5 

 5 



0.0 

 20.0 



60.0 



80.0 



80.0 



40.0 



0.0 



0.0 



60.0 

 60.0 



Percent- 

 age 

 Killed 

 and 

 Partly 

 Killed 



Percent- 

 age total 



leaf 



surface 



killed 



45.0 

 35.0 



80.0 



95.0 

 93.0 

 45.0 

 10.0 



20.0 



80.0 

 75.0 



De- 

 pres- 

 sion 



.947 

 1.595 



.967 



.775 



.677 



1.150 



1.980 



.980 



.895 

 .830 



LETTUCE 



Cane Sugar (.677). . . 

 Glycerine (2.820).... 

 Potassium Chloride 



(.775)_ 



Ammonium Chloride 



(.360) 



Water 



Cane Sugar (.677). . . 

 Glycerine (2.820).... 

 Potassium Chloride 



(.775)_ _. . . 



Ammonium Chloride 



(.360) 



Water 



Cane Sugar (.677). . . 

 Glycerine (2.820).... 

 Potassium Chloride 



(.775)_ 



Ammonium Chloride 



(.360) 



Water 



-2.5 

 -2.5 



-2.5 



-2.5 

 -2.5 

 -3.5 

 -3.5 



-3.5 



-3.5 

 -3.5 

 -3.0 

 -3.0 



-3.0 



-3.0 

 -3.0 



5 

 5 



5 

 5 

 5 

 5 



0.0 

 0.0 



20.0 



40.0 



40.0 



20.0 



0.0 



40.0 



60.0 



60.0 



0.0 



0.0 



0.0 



60.0 

 20.0 



35.0 

 30.0 



60.0 



70.0 

 90.0 

 85.0 

 55.0 



65.0 



90.0 

 90.0 

 25.0 

 35.0 



55.0 



90.0 

 65.0 



.578 

 1.168 



.655 



.550 



.430 



.578 



1.168 



.655 



.550 

 .430 

 .652 

 .728 



.690 



.690 

 .597 



