MUSKMELONS 297 



is the only known field treatment for mildew and blight. A simple 

 yet very satisfactory device for making field applications of this 

 mixture is shown in figure lOQ. 1 



The only insect enemy to whose attack the muskmelon is partic- 

 ularly open is the striped cucumber beetle, which must be treated 

 as described on pages 235-238. 



Varieties. As has been suggested, there is a wide difference 

 not only in the size, shape, and color of the muskmelon, but in 



FIG. 109. Device for spraying cucumbers in the field (after Orton) 



the uses to which it is put. Few field varieties are well adapted to 

 forcing and, on the other hand, none of the forcing varieties 

 which have been developed in Europe under artificial conditions 

 are adapted to outdoor cultivation in America. 



Among the standard field varieties grown in the United States 

 may be mentioned Hackensack, Jenny Lind, Netted Gem, Nutmeg, 

 and Rocky Ford. These are so-called green-fleshed varieties. There 



1 See United States Department of Agriculture, Farmers' Bulletin No 231. 



