396 



Index 



v 



Veihmeyer, F. J., 105. 

 Vermicularia 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. 



Mycosphasrella 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. 



