162 Clyde E. Leighty 



TABLE 15. Correlations, Series 63, 100, 122. Degrees of Crowding {concluded) 



Average weight of kernels per plant, in milligrams — Average height of plant, in centimeters 

 63 r=. 380 ±.037 100. . . . r = .651 ± .022 122. . . . r = .718 zt .019 



Average weight of kernels per plant, in milligrams — Average length of head per plant, in 



centimeters 

 63 r=. 081 ±.043 100. . . . r = .408 ± .032 122. . . . r = .535 ± .028 



TABLE 16. Correlations, Series 68, 102, 118. Degrees of Cro-^vding. Pure Line 



62-II-19-2 



Average yield of culm per plant, in decigrams — Average height of plant, in centimeters 

 68 r=-. 836 ±.012 102. . . . r = .863 ± .010 118. . . . r = .801 ± .014 



Average yield of culm per plant, in decigrams — Average length of head per plant, in 



centimeters 

 68 r=. 811 ±.013 102. . . . r = .835 ± .012 118. . . . r = .800 ± .014 



Average yield of culm per plant, in decigrams — Average number of kernels per culm of 



plant 

 68 r=. 942 ±.004 102. . . . r =- .954 ± .003 118. . . . r = .928 ± .005 



Average yield of culm per plant, in decigrams — Average number of spikelets per culm of 



plant 

 68 r=. 900 ±.007 102. . . . r ± .913 ± .006 118. . . . r = .892 ± .008 



Average yield of culm per plant, in decigrams — Average weight of kernels per plant, in 



milligrams 

 68... ... r= .525± .028 102. . . . r = .583 ± .026 118. . . . r = .568 ± .026 



Average yield of culm per plant, in decigrams — Average number of kernels per spikelet 



of plant 

 68. . ... r= .060± .039 102. . . . r = .474 ± .030 118. . . . r = .621 ± .024 



Average yield of culm per plant, in decigrams — Diameter of straw, in decimillimeters 

 68 r=. 785 ±.015 102. . . . r = .878 ± .009 118. . . . r == .871 ± .OOP 



Average yield of culm per plant, in decigrams — • Breaking strength of straw, in grams 

 68 r=. 701 ±.020 102. . . . r ± .863 ± .010 118. . . . r = .883 ± .009 



Average yield of culm per plant, in decigrams — Average weight of straw per cvdm of plant, 



in decigrams 

 68 r = .884 ± .008 102. .. . r = .944 ± .004 118. .. . r = .888 ± .008 



Diameter of straw, in decimillimeters — Breaking strength of straw, in grams 

 68 r=. 871 ±.009 102. . . . r = .960 ± .003 118. . . . r = .899 ± .007 



