79 



variclies of c-ollon in sixlccn cxpciMnuMils, covering 

 a period ol' li\i' yi;iis. 11 is praclically impossible to 

 find areas Ihal arc imiformly iiiCceletl willi wilt and 

 nematodes and Ihal are lari^e enough to acconnnodate 

 eight or ten (hIVc renl varieties in one-tenth acre plots. 

 The following lal)I(' shows Ihc i)ereentage of plants 

 that died during Ihc season. The llrsl count was made 

 about the ir)th of .June; Ihe subse([uenl counts followed 

 about thirty days aparl during the growing season. 

 All the dead or nearly dead plants were pulled up at 

 each count so Ihal lluy would not interfere with the 

 next counl. When a planl looked as if it might recover 

 sufiicienlly well to produce fruit, it was not pulled up. 



