September, 1955 FORSBERG: 
the 10 corms had no visible symptoms of 
disease. 
Vascular isolate 46-3 
Dr. F. E. BENNETT: 7 plants emerged; 
all survived and produced new corms. One 
of the new corms was mummified; 2 had 
basal core rot but no extensive vascular 
discoloration. Four of the corms remained 
healthy. Fusarium was recovered from 
both corms with core rot. Isolations were 
not attempted from the mummifed corms. 
MarGareT FuLton: 9 plants emerged ; 
all survived and produced new corms. One 
had a thin basal rot lesion; 8 remained 
healthy. Fusarium was not recovered from 
the affected corm. 
SPOTLIGHT: 10 plants emerged; a!l 
survived and produced new corms. None 
had disease symptoms. 
ELIZABETH THE QUEEN: 10 plants 
emerged; all survived and produced new 
corms. All of the new corms remained 
healthy. 
Vascular isolate 47-10 
Dr. F. E. BENNETT: 7 plants emerged ; 
all survived and produced new corms. 
Three corms had thin basal core rot but 
no vascular discoloration. Four corms had 
no disease symptoms. [’usarium was re- 
covered from 2 of the 3 affected corms. 
MarGareT FULTON: 9 plants emerged ; 
8 survived and produced new corms. One 
had extensive discolored vascular strands; 
7 remained healthy. Fusarium was recov- 
ered from the affected corm. 
SPOTLIGHT: 10 plants emerged; all 
survived and produced new corms. All of 
the new corms remained healthy. 
ELIZABETH THE QUEEN: 10 plants 
emerged; all survived and produced new 
corms. All of the new corms remained 
healthy. 
Vascular isolate 49-4 
Dr. F. E. BENNETT: 8 plants emerged ; 
7 survived and produced new corms. ‘wo 
corms were mummified; | had a deep core 
rot extending to a thin lesion at the side 
of the core base. Three corms had deep 
core rot but no extensive vascular discol- 
oration. One corm remained healthy. 
Fusarium was recovered from 3 of the af- 
fected corms. 
F uUsARIUM DISEASE OF GLADIOLUS 493 
MARGARET FULTON: 9 plants emerged ; 
all survived and produced new corms. 
Eight corms had thin basal rot. There was 
no vascular discoloration. “Three corms 
were cultured, and Fusarium was recov- 
ered from all of them. One corm had no 
disease symptoms. 
SPOTLIGHT: 10 plants emerged; 9 sur- 
vived and produced new corms. At clean- 
ing time 2 of the corms were mummified ; 
6 had thin basal rot. Fusarium was re- 
covered from 5 of the 6 corms affected 
with basal rot. 
ELIZABETH THE QUEEN: 10 plants 
emerged; 9 survived and produced new 
corms. Four of the new corms had thin 
basal rot. In 1 corm, the brown discol- 
oration extended from the base into one 
vascular strand. [usarium was recovered 
from | of the + affected corms. 
Vascular isolate 50-24 
Fight Dr. F. E. BENNETT, 9 Mar- 
GARET Futon, 10 SporLicHT, and 10 
ELIZABETH THE QUEEN plants emerged; 
all survived and produced new corms. No 
disease symptoms developed. 
Basal rot isolate 47-2 
Dre. F. E. Bennetr: - 10) plants 
emerged; all survived and preduced new 
corms. One of the new corms had one 
brown vascular strand; another had very 
short discolored vascular streaks around 
the core. Fusarium was not recovered 
from the affected corms. Eight corms had 
no disease symptoms. 
MARGARET Futton: 10 plants 
emerged; 9 survived and produced new 
corms. All new corms remained healthy. 
SPOTLIGHT: 8 plants emerged; all sur- 
vived and produced new corms. Six corms 
had thin basal rot lesions, most of which 
chipped out when the corms were cleaned. 
One corm also had pronounced vascular 
discoloration. Fusarium was recovered 
from 3 of the affected corms. “Two corms 
remained healthy. 
ELIZABETH THE QUEEN: 10 plants 
emerged; all survived and produced new 
corms. All new corms remained healthy. 
Basal rot isolate 47-3 
Dr. F. E. BENNETT: 7 plants emerged ; 
all survived and produced new corms. All 
