NURSERY STOCK 



lOI 



slight cocoons, and two weeks later the moths emerge. 

 Eggs are laid by these moths for the second brood of 

 larvae, which when full-grown hibernate in thin 

 cocoons. 



Remedies — All three of these pests are open to 

 destruction by spraying with arsenites. In regions 



Leaf=cnimpler 



larval case; b, larval case with dead leaves; c, front part of larva; d, moth, 

 magnified. (After Riley) 



where the Powdery Mildew is injurious as well as 

 these, a combination treatment may be employed, 

 adding five or six ounces of Paris green to each barrel 

 of Bordeaux mixture. Where fungicide treatment is 

 not necessary, spray with arsenites and lime, adding 

 the lime to prevent injury to the young and tender 

 foliage, unless arsenate of lead is used, as explained 

 in the Introduction, whenever either of the insects 

 threaten injury, — the earlier the better. 



