168 



Series 68 



Clyde E. Leighty 



0- 1 



1- 2 



2- 3 



3- 4 



4- 5 

 &- 6 



6- 7 



7- 8 



8- 9 

 9-10 



Totals 



<M CO •* U5 



4 



2 

 3 



1 



7 

 4 



4 

 4 



7 

 12 



5 



1 















1 



6 



16 



16 



10 



2 







2 









1 



8 



15 



24 



5 



2 















1 



7 

 2 



18 

 10 



7 

 1 



14 



18 



12 



4 



1 



1 

 10 



15 

 4 



2 



1 

 1 

 3 



2 

 3 



1 



13 15 44 45 71 56 34 10 3 



Totals 



7 

 21 

 26 

 53 

 55 

 42 

 41 

 37 

 12 



6 



300 



Fig. 130.— Correlation between average yield of culm per plant, 

 in decigrams, subject; and average length of head per plant, in 

 centimeters, relative 



r = . 811 ±.013 



condition of crowding and least for the most crowded condition, but the 

 extreme difference is only .035 ± .018. Only slight significance can be 

 attached to the differences m correlation in these two lines between yield 

 and length of head, therefore definite conclusions cannot be drawn. 



Series 102 



I 



S 3 



Totals 5 6 21 20 39 34 45 54 40 28 7 



Totals 



0-1 



5 6 21 



15 



12 



4 













63 



1-2 





5 



26 



26 



15 



6 









78 



2-3 







1 



4 



23 



24 



6 





1 



59 



3-4 











5 



12 



17 



6 





40 



4^5 











2 



10 



10 



8 



2 



32 



5-6 













2 



3 



7 



1 



13 



6-7 















4 



7 



3 



14 



7-8 

























8-9 





















1 



1 



300 



Fig. 131. — Correlation between average yield of culm per plant, in deci- 

 grams, subject; and average length of head per plant, in centimeters, 

 relative 



X = .835 ± .012 



