122 Bulletin 188. 



1. During first warm days of early spring, Bordeaux mixture; 



2, repeat 1 when buds are swelling ; 3, dui-ing latter part of Maj^, 

 repeat 1 ; 4, repeat 1 during middle of June (5, repeat 1 in July). 

 Cut out knots. See Bulletin 81. Cureulio. Spraying is not always 

 satisfactory ; jar tiie trees after fruit has set, at intervals of 1 to 3 

 days durino^ 2 to 5 weeks. See Bulletin 131. Plum Scale. 1. In 

 autumn when leaves have fallen, kerosene emulsion, diluted -1 times; 

 2 and 3 in spring, before buds open, repeat 1. See Bulletin 108. 

 San Jose Scale. See under Apple. 



Early Blig-ht. 1. When vines are young, Bordeaux 



Potato. mixture; 2 and 3, repeat 1 at intervals of 2 to 3 



weeks (only partially successful). Late Blight. 1. 



During middle of July, Bordeaux mixture ; 2 and 3, at intervals of 



1 to 3 weeks, repeat 1. Scab. Soak uncut seed potatoes \\ hours 



in solution of 1 ounce corrosive sublimate in 8 gallons water ; or 2 



hours in solution of \ pint formalin in 15 gallons water. Potato 



Beetle. When beetles first appear, arsenites ; 2 and 3, repeat 1 



when necessary. Flea-beetle. Bordeaux mixture and Paris green. 



Leaf -blight or fruit-spot (1. When blossom buds 



Quince. appear, Bordeaux mixture) ; 2, when fruit has set, 



repeat 1 ; 3, 4, etc., repeat 1 at interv^als of two 



weeks, until fruit is f grown ; if later treatments are necessary, 



ammoniacal copper carbonate. See Bulletin 80. Blight. As for 



Pear. Cureulio. Jar, as for Plum cureulio. See Bulletin 148. 



Anthraenose. 1. Before buds break copper sul- 



Raspberpy, fate solution, also cut out badly infested canes; 2, 



Blackberpy, when growth has commenced, Bordeaux mixture ; 



Dewberry. 3, 4, etc., repeat 2 at intervals of 1 to 3 weeks, avoid 



staining fruit by use of clear fungicide. (Partially 



sucoessful). Badly infested plantations should be rooted out. 



Orange,-rust or Yellows. Bemove and destroy affected plants as 



soon as discovered. See Bulletin 100. Saw-fly. 1. When first 



leaves have expanded, arsenites ; 2, after 2 to 3 weeks repeat 1, or 



apply heUebore. 



Black-spot. Spray plants once a week with 



Rose, ammoniacal copper carbonate. Mildew. Keep heat- 



ing pipes painted with equal parts lime and sulfur 

 mixed with water to form a thin paste. Spray with copper fungi- 



