1324 The Vegetable Industry in New York State 



The life of affected tops is considerably shortened, thus preventing 

 the normal manufacture and storage of food in the roots and 

 shortening the succeeding season's yield. 



Bordeaux, 5-5-50, with resin sticker added, applied three to 

 five times at intervals of ten days after cutting ceases, reduces 



Fig. 381. — Root Knot of Greenhouse Cucumbers 



the amount of disease. Spraying has not proved generally satis- 

 factory on account of expense and incomplete control. The de- 

 velopment of disease resistant strains bids fair to solve the prob- 

 lem. The United States Department of Agriculture has bred a 



