The Philippine Journal of Science 



Table l.—Day and following night increments of total leaf elongation of ten 

 banana plants, in the open and unshaded, for five consecutive days. 



- 



First day. May 14-15. 



Second day, May 15-16. 



V-fol 



,SS 





t; 



Day Night 

 period, period 



T«. 



Ratio 

 day. ° 





tl 



) 



1 



S 



■: 





!:; 



•» 





















Average - 



Plant. 



Third d.,»., 1H ,. 



Fourth day. May 17-18. 



Day 



«. 



Total, n 



iatio 



I >a> 



. £61 



To,., 



n day. ° 



, 



r 9 



;■; 



ii 



J 



: : : 



ii 



£ 



•j 







; 



; 

























,,„.. 



Fifth day, Ma 



y 18-19. 



£SU 



Si*ht 



■» 



^r 



1 













5;;;;;;;; 





. 2.1 



6 — 







1 









." 





Avera * e - ; 



• Average derived from data f 







nine pla 



toTthT; 







