464 INJURIOUS AND BENEFICIAL INSECTS OP CALIFORNIA. 



Mix the paste or powder in the required amount of water or first 

 in a small amount and add the remainder for use. See that the 

 mixture is thoroughly agitated when spraying in order to keep the 

 lead arsenate in proper suspension. 



Lead arsenate is rendered none the less effective when combined 

 with Bordeaux mixture, iron sulfid or tobacco decoctions, but the 

 acid type should never be used in combination with oil emulsions, 

 soap sprays and doubtfully with lime-sulphur. The neutral type, 

 however, may be used safely with any of the above. 328 



PARIS GREEN 



If lead arsenate can not be had, Paris green may be used as follows: 



Paris green 1 pound 



Air-slaked lime (or better, dry water-slaked lime) 5 pounds 



Water 200 gallons 



First stir the poison into a thin paste with a little water, add this 

 to the lime, then strain the mixture through a sieve into a tank 

 containing the required amount of water. It is particularly necessary 

 to keep this mixture well agitated while spraying. 



As a dust, Paris green is mixed as follows : 



Paris green 5 ounces 



Air-slaked lime 1 pound 



The Paris green and lime are thoroughly powdered, mixed and 

 dusted upon the plants through a muslin bag or by means of a blower. 



Paris green may be effectually used when combined with Bordeaux 

 mixture and iron sulfid, but should never be applied in combination 

 with lime-sulphur, soap sprays and emulsions. It should not be used 

 on trees prior to fumigation, as severe burnings are sure to result. 328 



POISON BAITS 



Poison baits occupy a very important place in the control of certain 

 insects, such as grasshoppers, armyworms, cutworms, wireworms, etc., 

 and are especially useful to the small gardener, though they have often 

 been used with excellent results in large fields and orchards. 



POISON BRAN MASH 



No. 1. 



Bran 25 pounds 



Paris green i pound 



Cheap molasses 1 quart 



No. 2. 



Bran 40 pounds 



White arsenic 5 pounds 



Molasses 2 gallons 



In preparing these mix the arsenic or Paris green and bran dry, 

 and add the molasses, which has been diluted in water. Add enough 

 more water to moisten the bran so that it will appear between the 

 fingers when the mixture is squeezed in the hand. 



Some prefer to moisten the bran first and afterward stir in the 

 molasses and poison. 



»»Gray, Geo. P.. Mo. Bui. Cal. Hort. Com., Vol. Ill, pp. 265-275, 1914. 



