52 



The Horticulturist's Rule- Book. 



Orange. Orange-leaf Scab ( Cladosporium) . — The leaves become 



yellow and distorted. 

 Remedy. — Spray with Grison liquid, or carbolic acid .'. 



Peach, Brown-Rot.— See under Cherry. 

 Curl. Leaf-Curl or Frenches' g- *' Teiphrina deformans, Tnl. : 

 written also Ascomyces deformans and Exoascus deformans) . 

 —The leaves become blistered and crumpled early in the 

 season and fall on*. 

 Remedies.— Good culture, to enable the tree to put forth new 



Leaf-Rtst.— See under Plum. 

 Powdery Mildew— Sec under Apple. 



Rot and Blight M^niUa fruetiaena. Pers. This is the famil- 

 iar quick rotting of peaches when nearly ripe or after they 



Preventives. — Burn or bury all affected fruits as soon as 

 they appear. In wet weather, when peaches are rotting 



pick and destroy the injured fruits. Burning or plowing 

 under the leaves in the fall is to be recommended. Before 

 the leaves appear, spray with some copper compound, as 

 sulphate of copper or Bordeaux mixture, and spray t here- 

 after several times. These sprays are not specifics, but 

 they appear to hold the disease in check. It is said that har- 

 vested fruit can he preserved for a short time against the 

 fungus by dipping it in a solution of potassium sulphide 

 (liver of sulphur) . 

 Yellows. — The first symptom in bearing trees is usually the 

 premature ripening of the fruit. This fruit contains definite 

 small red spots which extend to the pit. The next stage is 

 indicated by very slender shoots, which branch the first 

 year and which start in clumps from the old limbs, tearing 

 narrow and small yellowish leaves. Later the entire foliage 

 becomes smaller and yellow. In three or four years the tree 



