SMALL FEU ITS 



171 



side may cause distortion, cracking, and exposure of the 

 seeds. 



Upon the leaves the dead spots are usually bordered by a 

 fine black line, and as the leaf grows the dead tissue of the 

 spot may rupture irregularly. 



Badly anthracnosed canes must be cut out and burned, and 

 cleansing sprays should be 

 used. 



Necrosis (Fusicoccum 

 viticolum Reddick). — This 

 disease is said by Reddick ' 

 to cause perhaps 50 per 

 cent of the death of vines 

 usually attributed to root 

 worm or other causes. It 

 has been noted in New 

 York, Ohio, Georgia, Indi- 

 ana, and is in some in- 

 stances very abundant, 

 causing death to 30 per 



cent or more of the vines in the vinej^ard. The Concord, 

 Niagara, Moore's Early, Agawams, Pocklingtons, Wor- 

 dens, Lindleys, Catawbas, Isabellas, and Scuppernong are 

 affected. 



Necrosis may be recognized in the field by the following 

 characters 2; A trimmed and tied vine that has failed to 

 put out shoots ; one that has sent forth shoots, the latter 

 dying after a few weeks ; vines on which all or part of the 



' Reddick, Donald, N.Y. (Cornell) Agr. Exp. Sta. Bui. 263, February, 

 1909. 



- Quoted from Reddick in abbreviated form. 



Necrosis of the vine. After 

 Reddick. 



