INJURIOUS INSECTS OF 1903. 121 



For pear slug use : 



>2-pound to I gallon of water. (Iowa Bui. 50, 1902.) 



For plant lice use : 



I pound to 8-10 gallons of water. (Col. Bui. 71, 1902.) 



55. White Arsenoid — 



This is Barium Arsenite. As an insecticide it is very 

 unsatisfactory in California, because it is so soluble, and thus 

 is injurious to the foliage. (Cal. Bui. 126, 1899.) 



SOME OF THE MORE IMPORTANT FUNGOUS 



DISEASES AND INJURIOUS INSECTS. 



WITH THEIR REMEDIES. 



Anthracnose of Grape — 



Before buds open in the spring use No. 29. Repeat in 

 3 to 4 days to cover the untreated portions. 



Anthracnose of Raspberry — 



Before buds open use No. 17. 

 Cut out infested canes. 



When growth has conunenced use No. 9. Repeat at 

 intervals, one to three weeks. 



Ants — 



See No. 14. Also page 164. 



Aphids — 



See Nos. 31, 35, 52. 

 See figures on page 58. 



Apple Tree Borers — 



See figures 25 and 26 on page 55. 



Paper wrapping or deterrent washes should be combined 

 with the digging-out process. In California carbon bisulfid 

 has given very satisfactory results. 



