DISEASES AND PESTS OF THE MAIZE CROP 42; 



<n-eat longevity, remaining dormant in the soil probably six chap. 

 or more years, until the root of a suitable host-plant approaches 



Ground Lin e 



F.O. l6 ,_Rooibloe m , Striga lutea Lour. (Drawn from plate , by Mr. C.aude 

 Fuller, in first report of Government ^nomologist of Natal.) 



them. Investigations 



s have recently been conducted by Prof. 



Pearson (1 and 2) which confirm Fuller's earlier observations. 



