PLATE 82 



Effect of presoak method used on barley, oats, and com: 



1. Chevalier barley: A, B, control, 92 per cert germination; C, D, seeds treated 

 with formalin i to 320 for 10 minutes, then kept moist (covered) 6 hours, 62 per cent 

 germination; E, F, seeds presoaked 6 hours, then formalin i to 320 for 6 hours, g2 per 

 cent germination. Photographed on seventh day. 



2. Burt oats: A, B, control, 96 per cent germination; C, D, seeds treated with for- 

 malin I to 320 for 6 hours, 71 per cent germination; E, F, seeds presoaked 6 hoiu-s, 

 then formalin i to 320 for 6 hours, 92 per cent germination. Photographed on seventh 

 day. 



3. Bantam Evergreen com: A, B, control, 94 per cent germination; C, D, seeds 

 treated with formalin i to 200 for 4 hours, 90 per cent germination; E, F, seeds actu- 

 ally soaked in water 10 hoiu-s, then treated with formalin i to 200 for 4 hours, 92 per 

 cent germination. Count taken on twelfth day, photographed on sixteenth day. 

 The presoaked seeds are stimulated. 



