11 



or near the time of ripening of fruit. The spray should be 

 as fine as possible, — a mist so fine that it will reach every 

 part of the foliage, as well as the fruit. Do not use an 

 ounce of fluid beyond Avhat is necessary to accomplish this. 

 From a gallon to a gallon and a half is enough for most 

 orchard trees. It should not take more than a minute to 

 spray one tree." (Circular No. 3, Kentucky Agricultural 

 Experiment Station, Garman.) 



"Another very important point has been suggested by 

 the past season's experience Avith these insecticides ; I refer 

 to the danger of applying them before the blossoms fall. 

 Bees are quite as susceptible to these poisons as are the 

 codling moth and curculio. In their good work of collect- 

 ing nectar and fertilizing the blossoms they are very certain 

 to take the poison as well, if the trees have been sprayed. 

 Of course there is no excuse for spraying at so early a date, 

 as neither the curculio or codling larvas commence their 

 attack till the blossoms fall. Thus for the object in mind, 

 as well as for the safety of the bees, delay should be insisted 

 upon. I think we as scientists and all educated men should 

 pronounce vehemently and with one voice against spraying 

 our fruit trees with arsenites till the blossoms have all 

 fallen." (Bulletin No. 53, Michigan Agricultural Experi- 

 ment Station, A. J. Cook.) 



Prof. A. J. Cook says further in Bulletin No. 53 that 

 from his experiments he is warranted in the following con- 

 clusions : "The arsenites and carbolized plaster (one pint, 

 of crude carbolic acid to fifty pounds of plaster) will pro- 

 tect against the plum curculio if they can be kept on the 

 tree or fruit. Hut in case of very frequent rains the jarring 

 method will not only be cheaper, but much more efiective. 

 Again, as our wild fruits are more cleared away we must 

 have plums in our orchards to protect the apples from the 

 curculio. When apples are seriously stung they become so 

 gnarled and deformed as to be worthless. It will pay, then, 

 to set plum trees near by or among the apple trees. Then 

 we will escape mischief among our apples from the curculio, 

 and will only need to spray our apples once, to destroy the 

 codling moth, and can treat this plum trees three or four 

 times with Paris crreen or carbolated lime in case Ave have 



