CONTENTS. 



Introduction 80 



Keononilc plants and the more ini])ortnnt Alpyrorlirtjp infpstins them — „^ 89 



Tobacco 81) 



Sugar cane ^'J 



Orange 1 90 



Cotton ^^2 



Guava '^- 



Cocoanut 02 



Custard apple (Ationa spp.) 93 



Strawberry 93 



Cabbage 93 



Greenhouse plants 93 



Rubus spp 94 



Currant 94 



I'nnuis spp 94 



Fig 94 



Bamboo ^ 94 



Indigo 94 



Betel 94 



Grape 94 



III 



