PHANEROGAMIC fPARASITES 



55 



prune back the affected plants, burying the material removed or 

 burning it when it is dry. Small pieces left on living twigs will 

 produce a fresh growth, and if seeds have been allowed to ripen 

 and fall they may give rise to new infestations after a long or 



Drawn by] 



Fig. 11 Love Vine on Solanum Sp. 



[W. Buihn 



shorter time. Destruction before seeding is therefore very 

 desirable. 



For the control of similar parasites on arable crops in Europe 

 and America most reliance is placed on securing clean seed, but 



