IG Agricultural Experiment Station Research Bulletin H 
n 
r. 
Fig 5— Diagrammatic drawing of a longiscction of the mam 
stage of the disease. 
COMPARISON OF THE SOY BEAN 
OTHER WILT-PRODUCING SPECIES OF THE GENUS 
SOURCE OF CULTURES AND METHODS OF ISOLATION 
Isolations ^v.M•o .nado from (he interior of 
wilte.l sov bean ami .'owpea ,.lants. 'I'ho stems ^e e ‘ 
wished in water and allowed to remain wrapped 
‘imd wi h 0 1 per rent solntion of mercuric chlond for to 
dm te^ They were (hen split open so that the diseased interim 
as exposed. • Fragments of diseased (issue were remoied with 
