DISEASES OF COTTON 



267 



are abundant, as isjreported to be the case in Tobago, the problem 

 of eradication is different and is likely to be more difficult. The 



P^R. ca/\f TA G£ Of^ B/SSA ff£0 B OL LS 



Fig. 100 

 Incidence of Internal Boll Disease 



most promising method to adopt would seem to be the establish- 

 ment of hardy grasses in the place of roadside weeds, the com- 

 pulsory cleaning of neglected arable land, and the afforestation 

 of waste ground with shrubs or trees. As cotton stainers readily 



