CHANGES ACCOMPANYING BREAKING OF REST PERIOD 



69 



1 Z 3 f S I I M N Y 



Days of "xpef/menf. Mum tier of Experiment. 



Fig. 6. Graphs showing the ratio of (70 o production between etherized and 

 untreated Jonathan apple twigs, together with average stimulation, at 

 different times of the year. 



