44 



In regard to imiformitjr 'of flowering, a pedigreed strain 

 which, exhihits ttniformity in grov/th and "blossoming suffers less from the 

 disease than do other varieties. The factor of rapidity plays a pari; 

 as illustrated hy the rapidly flowering harley v/hich often has open 

 flowers and is, therefore, more exposed to infection (271) 



The height of the variety seems also to liave some influence 

 upon the degree of infection. Ihe, nearer the heads are to the ground the 

 more they are ergotized. 



iimdeirson reports that the variety "lilttfcle rye" is not materi- 

 ally injured by ergot. 



CONTROL JVEASURSS 



A. considerable rnanber of control measures for ergot have 

 been recommended at different times, a great many of which are either 

 impossible to apply on a large scale or are ineffective. There are also 

 some control measures v/hich, if applied pi-operly and at the right time, may 

 be of considerable help. 



Sanitation 



The earliest control measure recommended and still applied 

 is the gathering up of the sclerotia v/hile they are still on the plants 

 in the field. In this case the sclerotia can be sold to the druggist . ' 

 for a good price. 



Deep plowing of the fields on which infected crops liave 

 been grown and deep planting of the seed are also recommended for controll- 

 ing ergot, the idea being that the sclerotia contained in the seed or 

 those that have fallen to the ground from the previous crop will be buried 

 deeply and not be able to send out their stromata. 



Early harvesting, v/h3,ch would tend to lessen the number of 

 sclerotia which fall on the field, is also recommended. 



