INDEX 



325 



w 



Walnut, 192-193 



blight, 193 



harvesting of, 193 

 Warfield strawberries, problems in 



pollinizing, 177 

 Wasps as pollination agents, in figs, 



203 

 Water, application of to land, 148 



effects of large bodies of, 121 



measurement, 149 



right legislation, 161 



rights, 151 



sources of, 144 



-sprout of grape, 217 



-table, influence of irrigation on, 



154 



Watering vegetables, 89 

 Watermelons, 114 

 Weather conditions in relation to 



marketing, 261 

 Webworms, fall, 234 



Weir measurement, 150 

 Whip-grafting, 78-79 

 White pine blister-rust, 214 

 Wild plants of America domesti- 

 cated, 7 



Willows as soil indicators, 120 

 Wilting, cause of, 19 

 Winds, 119 

 Wisteria, 303 

 Woolly aphis, control of, 240 



life history of, 239 

 Wrapping of fruit, 266-266 



Xylem, 24-26 



Yellows, a disease of the peach, 



186 



Z 



Zante currants, 221 



