XXXV111 



LIST OF TABLES 



TABLE 



XXIX. 



XXX. 



XXXI. 

 XXXII. 



XXXIII. 

 XXXIV. 



XXXV. 



XXXVI. 



XXXVII. 



XXXVIII. 



XXXIX. 



XL. 



XLI. 



XLII. 



XLIII. 



PAGE 



Comparative weights and yields of grain of 1,684 ears of 



Transvaal-grown maize ...-•■• J 4° 

 Yield per acre from a 75 per cent stand, at various average 



weights per ear ....••••• x 47 



Percentage of grain to ear ..••■•• r 4° 

 Variation in composition and yield of different ears selected for 



breeding ....-•••■• I 59 



Distribution of gametes in a dihybrid z ^3 



Analysis of a dihybrid cross between white wrinkled and red 



starchy maize .....•••■ x °4 



The distribution of gametes in a trihybrid 185 



Classified summary of Table XXXV 186 



Summary of Table XXXVI 186 



Frequency distribution of heights of maize plants in a cross 



(after East and Hayes) ....■•• *94 

 Frequency distribution of lengths of ears in corn (after East 



and Hayes) J 98 



Row numbers in a family of Arcadia Sugar-maize . . 201-2 



Inheritance of row numbers in cross-bred maize . . . 204 



Inheritance of rows in a maize cross ..... 205 



Performance-record ol a breeding plot . . . . . 226 



CHAPTER VI. 



XLIV. For conversion of centimetres to inches, in measuring circum- 

 ference of ears ......... 262 



CHAPTER VII. 



XLV. Summary cf Potchefstroom breed tests ..... 



XLVI. Relative yields of maize breeds, Government Experiment Farm, 

 Potchefstroom, from 1904-11 . . ... 



XLVII. Rainfall at Government Experiment Farm, Potchefstroom, 

 1906-7 to igog-10 ........ 



XLVIII. Relative yields of maize breeds at Government Experiment 

 Farm, Cedara, Natal, 1904-5 ...... 



XLIX. Results of maize breed tests, Cedara, Natal, 1905-6 . 

 L. Weights per bushel of South African shelled maize . 



334 



335 

 338 



340 

 342 

 345 



CHAPTER IX. 



LI. Effect of treatment of soil on yield 



LII. Effect of time of planting on yield 



LIII. Results of distance tests on yield of Hickory King 

 LIV. Results of distance tests on yield of Iowa Silver-mine 



LV. Results of distance tests in Natal 



LVI. Number of plants per acre when sown at certain distances, 

 allowing one plant per "hill" ...... 



LVII. Effect of depth of planting on germination . . . . 



377 

 384 

 39° 

 39° 

 392 



394 



395 



CHAPTER XL 



LVIII. Influence of maturity on yield .... 

 LIX. Influence of maturity on composition 

 LX. Influence of maturity on composition of fodder . 

 LXI. Shrinkage in weight of maize stored on the cob 

 LXII. Relative weight of sound and country damaged maize 



457 

 458 

 459 

 482 



493 



