INDEX 



321 



Dillman, selection in sorghum, 179 

 Disease resistance, in asparagus, 253 

 in beans, 139, 244 

 in cabbage, 252 

 in clover, 215 

 in cotton, 177 

 in cowpeas, 144, 145 

 in flax, 151 

 in oats, 95 

 in rice, 109 

 in timothy, 213 

 in tomatoes, 248 

 in watermelons, 258 

 in wheat, 76, 85, 134 

 Dorsey, breeding fruits, 279 

 mutations in fruits, 264 

 origin of fruits, 263 

 self-fertile and self-sterile fruits, 



269 



self-sterility in grape, plum, 270 

 Durst, disease resistant tomatoes, 

 248 



E 



East, artificial crossing, 68 



maize, ear-to-row tests, 198 



self-fertilization in, 202 

 mathematical requirements of 



size inheritance, 163, 164 

 potato, clonal selection, 228 

 introduction to Europe, 220 

 pollination in, 224, 225 

 species in, 219 



tobacco, color of flowers, 161 

 size of flower, 165 

 species crosses, 159 

 sterility in, 160 



East and Hayes, hybrid vigor, 45, 47 

 maize, inheritance, 185, 187 

 pericarp color, 188 

 podded character, 189 

 seed and ear characters, 



192 



subspecies of, 182 



East and Jones, factor stability, 32 

 loss mutations, 276 

 size inheritance, 30 

 East and Park, sterility in tobacco, 

 160 



21 



Edgerton, disease resistance in toma- 

 toes, 248 



Emerson, bean, inheritance in, 242 

 maize, auricle and ligule, 189 

 cob color, 188 

 endosperm characters, 187 

 squash, size inheritance in, 258 

 tomato, inheritance, 246 

 Emerson and East, size inheritance, 



192 

 Engledow, linkage in wheat crosses, 



79 

 Etheridge, oat classification, 89 



Failyer and Willard, selection in 

 sorghum, 179 



Farrar, wheat breeding, 135 



Fertilization, maize, 19 



Field plot technic, 65, 266 



Flax, breeding, 158 



flower structure, 154 

 inheritance, 155, 156 

 natural crosses, 37 

 origin of, 153 

 species crosses, 153 

 wilt resistance, 158, 287 



Fletcher, self-sterility in pears, 269 

 strawberry, varieties, 262 



Focke, xenia, 183 



Frear, crossing in uncovered wheat 

 spikes, 69 



Freeman, linkage in wheat, 80 

 seed characters of wheat, 82 

 sterility in wheat crosses, 79 



Fruits, crosses in, 277 



early breeders of, 264 

 origin, antiquity of, 261, 264 

 self-sterility and heterozygosity 

 in, 267 



Fruwirth, barley pollination, 36 

 flax, natural crosses, 37 

 maize, self-fertilization, 39 

 oats, natural crosses, 36 

 potatoes, inheritance in, 221 

 pure-line selection, 12 

 rye, pollination in, 40 

 wheat, pollination, 35 

 winter-spring habit, barley, 103 



