PEACH LEAF CURL 



415 



second and third sprayings for the control of curculio. (See 

 Chapter XXX.) A fourth application is sometimes made about 

 one month before the ripening of the fruit. At this time, Bor- 



Fio. 289. Peach leaf-curl disease on the twigs at the right. The disease also attacks 

 other stone fruits. It is controlled by spraying with Bordeaux mixture in early spring. 

 (New Jersey Station.) 



Fio. 290. The black-knot disease attacks plum, cherry, and a few other trees. 



culture and Life.) 



(Agri- 



deaux mixture is preferred by some growers. (See Chapter XXIX 

 for insects affecting stone fruits.) 



Peach leaf curl is a disease which attacks the leaves and twigs 

 of the stone fruits. It is often quite serious and checks the growth. 

 The character of its work is shown in figure 289. It is largely 



