SOME COTTON DISEASES IO5 



through the fields. Take a pole about one 

 foot longer than the width between the cotton 

 rows, and six inches from each end of the pole 

 attach a sack or bag containing the poison. 

 Cheesecloth will be found a satisfactory 

 material for making the sacks. By the above 

 method one hand on horseback can poison two 

 rows at a time and cover twenty acres a day. 

 The poison should be applied at the first 

 appearance of the worm. It is best to make the 

 application early in the day when the leaves are 

 moist with dew. If the poison is applied on a 

 calm day there will be less loss from the poison 

 drifting to the ground. 



The Cotton Boll Weevil. The most destruc- 

 tive of all insects that have attacked the cotton 

 plant is the boll weevil, which has only been 

 in the United States for the past seventeen or 

 eighteen years. It has rapidly spread each 

 year since its first appearance and is destined 

 within the next decade to cover the entire 

 cotton-producing part of the United States. 

 The ravages of this enemy are so great that the 

 total production of some counties has been 

 reduced to less than 10 per cent, of the normal 

 production. However, a few years' experience 



