396 



Index 



Veihmeyer, F. J., 105. 

 Vermicular ia circinans, 289. 



dematium, 112. 



Verticillium albo-atrum, 326. 



W 



Ward, M., 43. 



Water, need of plants, 64, 67. 



Watermelon diseases, 238 et seq. 



Anthracnose, 240. 



Bacterial wilt, 238. 



Blossom end rot, 247. 



Cercospora leaf spot, 243. 



Downy mildew, 238. 



Fruit rot, 247. 



Honey dew or sooty mold, 

 238. 



Malnutrition, 238. 



Mycosphaerella wilt, 239. 



Powdery mildew, 238. 



Root knot, 246. 



Stem end rot, 239. 



Vine wilt or yellows. 244. 

 Whetzel, H. H., no, 287 

 White grubs, 52. 

 Whitney, M., 64. 

 Widtsoe, J. A., 65. 

 Wind storms, 72, 73. 

 Wire worms, 52. 

 Wolf, F. A., 139, 235. 

 Wollenweber, H. W., 331. 



Zea mays, 250. 



