322 INDEX ( iaincs, disease resistance in wheat, 86 oat crosses, 93 seed characters in wheat, 82 spike density in wheat, 81 Gametes, production in flowering plants, 17 <strong>Garber</strong>, stem rust in oats, 95 <strong>Garber</strong> <strong>and</strong> Olson, stem characters of small grains, 127 Garner, tobacco mutations, 167 Garner <strong>and</strong> Allard, effect of length of day on flowering, 169 Genetics, factor stability, 32 inheritance factors, 20 inheritance, two independently inherited factors, 23 linkage, 26 method of studying, 16 size characters, 27 Germ plasm, constancy of, 10 Gilbert, potato characters, 223 Giltay, xenia in rye, 106 Goff, self-sterility in plum, 269 Goodspeed, parthenogenesis in tobacco, 160 size inheritance in tobacco, 165 Goss, early pea crosses, 7 Graham, inheritance in sorghum, 179 pollination of sorghum, 38 Grape, early breeding, 265 inheritance in, 272 self-sterility in, 269 Grasses, pollination in, 41, 207 economic species, 207 selection in, 293 Griffee, FI wheat crosses, 43 Groth, inheritance in tomato, 245 Guignard, double fertilization, 183 H Hagedoorn, early wheat selections, 119 Hallet, early selections in small grains, 118 Hansen, fruit breeding, 278 Harlan, barley, natural crosses, 36 classification of barley, 98 Harlan <strong>and</strong> Anthony, the barley awn, 104 Harlan <strong>and</strong> <strong>Hayes</strong>, barley species crosses, 99 Harl<strong>and</strong>, cowpea, inheritance, 143, 144 natural crosses, 39 Harris, soil heterogeneity, 51 Harshberger, home of maize, 181 Hartley <strong>and</strong> others, varietal crosses of maize, 203 Hasselbring, pure lines in tobacco, 166 <strong>Hayes</strong>, maize, self-pollination, 39 pericarp color, maize, 188 pure-line selection, tobacco, 122, 166 size characters, 165 tobacco mutations, 167 <strong>Hayes</strong> <strong>and</strong> Arny, replication, 59 <strong>Hayes</strong> <strong>and</strong> Beinhart, tobacco mutations, 167 <strong>Hayes</strong> <strong>and</strong> East, maize inheritance, 185, 192 maize, varietal crosses, 203 <strong>Hayes</strong>, East <strong>and</strong> Beinhart, size characters, tobacco, 162, 165 <strong>Hayes</strong> <strong>and</strong> <strong>Garber</strong>, winter hardiness in wheat, 87, 138 high protein maize, 195 <strong>Hayes</strong> <strong>and</strong> Harlan, barley, spike density, 104 <strong>Hayes</strong> <strong>and</strong> Jones, Fi tomato crosses, 43 <strong>Hayes</strong> <strong>and</strong> Olson, Fi varietal maize crosses, 203 <strong>Hayes</strong> <strong>and</strong> others, disease resistance in wheat, 85 sterility in wheat, 79 <strong>Hayes</strong> <strong>and</strong> Stakman, rust in timothy, 213 Hays, small grain breeding, 112 Head thrasher, small grains, 117 Heckel, mutations in potatoes, 220 Hector, inheritance in rice, 109 natural crosses in rice, 37
INDEX 323 Hedrick <strong>and</strong> Anthony, inheritance in grape <strong>and</strong> raspberry, 272 Hedrick <strong>and</strong> Wellington, inheritance in apples, 268, 271 Henkemeyer, chaff characters in wheat, 84 Heterogeneity, in field plots, 51 estimating, 53 inheritance in raspberry, 272 Hildebr<strong>and</strong>, rye pollination, 39 Hilson, inheritance in sorghum, 178 Homozygosis, from self-fertilization, 49 Hopkins, ear-to-row maize, 198 Hoshino, inheritance in rice, 109, 110 Houser, Fi tobacco crosses, 42 Howard <strong>and</strong> others, inheritance, beards in wheat, 85 chaff characters in wheat, 84 seed characters in wheat, 82 st<strong>and</strong>ing power in wheat, 88 natural crosses, in beans <strong>and</strong> peas, 39 flax, 37 tobacco, 36 wheat, 35 parthenogenesis in tobacco, 160 tobacco groups, 159 Hutcheson, pure-line selection, 122 Hutcheson <strong>and</strong> Wolf, maize varietal crosses, 203 Hybrid vigor, 47 Ikeno, inheritance, in rice, 108, 109 inheritance, in peppers, 247 natural crosses in rice, 37 Jardine, Kanred wheat, 76, 128 I Jellneck, artificial wheat crosses, 71 Jenkins, number of seeds per tobacco plant, 36 Jensen, plant height, tobacco, 165 Jesenko, wheat-rye crosses, 106 Johannsen, the pure line, 11, 120 Johnson, cytology of fertilization, 5 sex in date palm, 3 tobacco breeding, 140 tobacco inheritance, 165 Jones, crossing selfed strains, maize, 205 heterosis, 49 homozygosis on selfing, 49 increased seed size in a cross, 201 inheritance, pseudo-starchy, maize, 184 lethal endosperm, maize, 185 tomato, 246 self-fertilization, maize, 47 Jones <strong>and</strong> Gallastegui, podded character, maize, 189 Jones <strong>and</strong> Oilman, disease resistance, cabbage, 252 self -sterility, cabbage, 251 Jones <strong>and</strong> others, varietal crosses, maize, 203 K Kajanus, inheritance in beet, 250 Karper <strong>and</strong> Conner, pollination, grain sorghums, 38 Kearney, cotton mutations, 177 Keeble <strong>and</strong> Pellew, inheritance in pea, 236 Kezer <strong>and</strong> Boyack, wheat crosses, 79, 80 Kiesselbach, competition in variety tests, 63 ear-to-row breeding, maize, 199 varietal crosses, maize, 203 Kiesselbach <strong>and</strong> Ratcliff, selection in oats, 130 Kirchner, wheat pollination, 35 Knight, early crosses, 6 fruit breeding, 264 self -sterility in apple, 271 Knuth, maize pollination, 39 Koch, inheritance in rice, 109, 110 Koelreuter, early crosses, 5 Leake, cotton inheritance, 175 cotton, natural crosses, 38
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AGRICULTURAL AND BIOLOGICAL PUBLICA
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s'g S 2 ! o s s
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COPYRIGHT, 1921, BY THE McGRAW-HiLL
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PREFACE Since the early development
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. Early CONTENTS CHAPTER I INTRODUC
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CONTENTS xiii PAGE Color of grain a
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CONTENTS XV PAGE Sorghum 178 Origin
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CONTENTS xvn CHAPTER XIX FARMERS' M
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2 BREEDING CROP PLANTS times by pri
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4 BREEDING CROP PLANTS "In the vege
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6 BREEDING CROP PLANTS more attenti
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8 BREEDL\C CROP PLANTS by one of it
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10 BREEDING CROP PLANTS 1. Variabil
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12 BREEDING CROP PLANTS bud sports
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14 BREEDING CROP PLANTS who gives t
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* CHAPTER II PLANT GENETICS 1 Since
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18 BREEDING CROP PLANTS pair being
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20 BREEDING CROP PLANTS The Inherit
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22 BREEDING CROP PLANTS which are n
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24 BREEDING CROP PLANTS There is a
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26 BREEDING CROP PLANTS and Pr. let
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! 28 BREEDING CROP PLANTS The gener
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30 BREEDING CROP PLANTS intermediat
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32 BREEDING CROP PLANTS a conceptio
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34 BREEDING CROP PLANT* Group 4. Ve
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36 BREEDING CROP PLANTS crosses. Sm
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38 BREEDING CROP PLANTS mas protrud
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40 BREEDING CROP PLANTS between the
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Average 42 BREEDING CROP PLANTS tob
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44 BREEDING CROP PLANTS same for th
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46 BREEDING CROP PLANTS order to il
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48 BREEDING CROP PLANTS existence i
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50 BREEDING CROP PLANTS basis of do
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52 BREEDING CROP PLANTS certain con
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54 BREEDING CROP PLANTS for the pur
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56 BREEDING CROP PLANTS four plots.
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58 BREEDING CROP PLANTS TABLE XI. T
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60 BREEDING CROP PLANTS series then
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62 BREEDING CROP PLANTS central row
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64 BREEDING CROP PLANTS nating rows
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66 BREEDING CROP PLANTS The groupin
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68 BREEDING CROP PLANTS Two men may
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70 BREEDING CROP PLANTS A common pr
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72 BREEDING CROP PLANTS method (1),
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74 BREEDING CROP PLANTS flowers whi
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76 BREEDING CROP PLANTS Classificat
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78 BREEDING CROP PLANTS crosses bet
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80 BREEDING CROP PLANTS and those f
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82 BREEDING CROP PLANTS generation
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84 BREEDING CROP PLANTS nuclei, the
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86 BREEDING CROP PLANTS crosses bet
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88 BREEDING CROP PLANTS The Howards
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90 BREEDING CROP PLANTS CC. Lemma w
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92 BREEDING CROP PLANTS development
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96 BREEDING CROP PLANTS susceptibil
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98 BREEDING CROP PLANTS gous forms
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104 BREEDING CROP PLANTS crosses ha
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106 BREEDING CROP PLANTS Wild rye,
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108 BREEDING CROP PLANTS same plant
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110 BREEDING CROP PLANTS Time of cu
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112 KREEDINd CHOP PLANTS variety te
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114 BREEDING CROP PLANTS Selection.
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116 BREEDING CROP PLANTS of selecti
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120 BREEDING CROP PLANTS Briefly, i
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122 BREEDING CROP PLANTS In the abo
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124 BREEDING CROP PLANTS correlatio
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126 BREEDING CROP PLANTS likewise s
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128 BREEDING CROP PLANTS WHEAT SELE
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130 BREEDING CROP PLANTS TABLE XXVI
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CHAPTER X SOME RESULTS OF CROSSING
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134 BREEDING CROP PLANTS A Wheat Cr
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136 BREEDING CROP PLANTS Among othe
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138 BREEDING CROP PLANTS some of th
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140 BREEDING CROP PLANTS to quality
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142 BREEDING CROP PLANTS index is o
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144 BREEDING CROP PLANTS Factor sys
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146 BREEDING CROP PLANTS Later more
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148 BREEDING CROP PLANTS Parents Co
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150 BREEDING CROP PLANTS The Lyon b
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154 BREEDING CROP PLANTS 4 FIG, 34.
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156 BREEDING CROP PLANTS same resul
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158 BREEDING CROP PLANTS grown for
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160 BREEDING CROP PLANTS longer tha
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162 BREEDING CROP PLANTS with the p
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164 BREEDING CROP PLANTS "4. When a
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166 BREEDING CROP PLANTS variabilit
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168 BREEDING CROP PLANTS 1910 to 19
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170 BREEDING CROP PLANTS
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172 BREEDING CROP PLANTS normal var
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174 BREEDING CROP PLANTS branching
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176 BREEDING CROP PLANTS hybrid seg
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178 BREEDING CROP PLANT* which are
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180 BREEDING CROP PLANTS the settin
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182 BREEDING CROP PLANTS organs. Th
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184 BREEDING CROP PLANTS Xenia may
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186 BREEDING CROP PLANTS manner as
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188 BREEDING CROP PLANTS to a singl
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190 BREEDING CROP PLANTS pure race
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192 BREEDING CROP PLANTS Studies of
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194 BREEDING CROP PLANTS B. RESULT
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196 BREEDING CROP PLANTS corn and g
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198 BREEDING CROP PLANTS TABLE XLV.
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206 BREEDING CHOP PLANTS abnormalit
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208 BREEDING CROP PLANTS sis), Cana
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222 BREEDING CROP PLANTS P. Segrega
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224 BREEDING CROP PLANTS 1. The het
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226 BREEDING CROP PLANTS TABLE LV.
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228 BREEDING CROP PLANTS These earl
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230 BREEDING CROP PLANTS For the 16
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232 BREEDING CROP PLANTS variety ca
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CHAPTER XVII BREEDING OF VEGETABLES
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236 BREEDING CROP PLANTS not known,
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238 BREEDING CROP PLANTS Le = long
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240 BREEDING CROP PLANTS TABLE LXI.
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242 BREEDING CROP PLANTS shell bean
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244 BREEDING CROP PLANTS data on th
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246 BREEDING CROP PLANTS TABLE LXII
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250 BREEDING CROP PLANTS radish pla
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252 BREEDING CROP PLANTS kohl-rabi.
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254 BREEDING CROP PLANTS TABLE LXV.
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256 BREEDING CROP PLANTS nucleus of
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258 BREEDING CROP PLANTS These data
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260 BREEDING CROP PLANTS recommende
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262 BREEDING CROP PLANTS varieties
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264 BREEDING CROP PLANTS TABLE LXVI
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266 BREEDING CROP PLANTS probably a
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268 BREEDING CROP PLANTS condition
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270 BREEDING CROP PLANTS very notic
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