Variation and Correlation of Oats — Part II 157 



TABLE 13. Means, Standard Deviations, and Coefficients of Variability (concluded) 



Breaking strength of straw, in grams 



63 100 122 



M 226. 638 ±3.704 105 . 666 ± 1 . 860 74.734 ±1.575 



<r 84.766±2.619 47.818±1.315 40.500±1.114 



C 37.40 ±1.31 45.25 ±1.48 54.19 ±1.88 



TABLE 14. Means, Standard Deviations, and Coefficients of Variability, Serie.5 

 68, 102, 118. Degrees of Crowding. Pure Line 62-II-19-2 



Average yield of culm per plant, in decigrams 



68 102 118 



M 4.890 ± .081 2.503 ± .066 1.287 ± .039 



(7 2.076 ± .057 1.708 ± .047 1.000 ± .027 



C 42.45 ±1.36 68.24 ±2.61 77.70 ±3.17 



Average height of plant, in centimeters 



68 102 118 



M 64.583 ± .420 51 .750 ± .507 48.000 ± .429 



a 10.805 ± .297 13.026 ± .358 11.034 ± .303 



C 16.73 ± .47 25.17 ± .73 22.99 ± .66 



Average length of head per plant, in centimeters 



68 . 102 118 



M 11.123 ± .075 8.283 ± .091 6.257 ± .077 



<r 1.933 ± .053 2.327 ± .064 1.976 ± .054 



C 17.38 ± .49 28.09 ± .83 31.58 ± .95 



Average weight of kernels per plant, in milligrams 



68 102 118 



M 13.197 ± .074 10.917 ± .103 10.490 ± .101 



rr - 1.895 ± .052 2.655 ± .073 2.592 ± .071 



, C 14.36 ± .40 24.32 ± .71 24.71 ± .72 



Average number of kernels per culm of plant 



68 102 118 



M 36.013 ± .528 20.787 ± .507 10.453 ± .298 



<^ 13,586 ± .374 13.026 ± .358 7.660 ± .211 



C 37.73 ±1.18 62.66 ±2.30 73.28 ±2.90 



Diameter of straw, in decimillimeters 



68 102 118 



M : 23.907± .181 17.760± .210 12.520± .171 



o- 4.648 ± .128 5.405 ± .149 4.386 ± .121 



C 19.44 ± .55 30.43 ± .91 35.03 ±1.08 



