September, 1955 FORSBERG: 
VARIETY 
2 SEU CYT acqe he fe 
MWC EAVV INES os 8. eke. hoes. 
| cuacy LEST GER 
Sauthern, Melody: .2..,2..........- 
eeeeOr or. LoWs................. 
Valeria 
rerio . aoe ese Sees 
unter 
FusarRIuM DISEASE OF GLADIOLUS 483 
Table 14.—Concluded 
IsoLATE 
AVERAGE 
49-8 49-17 50-22 50-27 
50.0 87.5 ea ey cs a ae 
TEU 100.0 100.0 100.0 93.7 
50.0 62.5 100.0 87.5 75.0 
100.0 100.0 100.0 100.0 100.0 
87.5 ODES) 25 WPS) She 
so has eS 87.5 50.0 SGT! 
100.0 100.0 100.0 100.0 100.0 
50.0 75.0 100.0 87.5 78.1 
Table 15.—Severity indexes for the rots produced by 40 isolates of Fusarium on seven 
gladiolus varieties in 1952. The indexes were derived from the formula on page 481. 
GLADIOLUS VARIETY 
IsovaTe Ethel | Maid | Miss tea eee 
Cave of Or- Bloom- | Picardy |. Ros4 Snow | Spirit of INDEX 
Cole leans ington ” |Van Lima! Princess | St. Louis 
45-73 0.0 1255 0.0 37-5 0.0 0.0 25.0 10.7 
CSS ie 0.0 0.0 0.0 0.0 OZ0F 5! 0.0 0.0 0.0 
Be SS tices. 3 0.0 | 0.0 0.0 25.0 0.0 | 0.0 0.0 3.6 
46-5. 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 
EO re O50). | 0.0 0.0 1235 0.0 0.0 ES 3.6 
ten Cs ee O-0 | 0.0 0.0 0.0 0.0 0.0 0.0 0.0 
LTE eS Sa a 0.0 0.0 0.0 EO) 0.0 0.0 0.0 Holl 
TTS epee = de ae 0.0 0.0 0.0 25.0 0.0 0.0 0.0 3.6 
49-4. ye | 0.0 0.0 100.0 0.0 62.5 0.0 25.0 
49-15 0:0" +} 0.0 L2e5 0.0 0.0 0.0 0.0 1.8 
{2 i 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 
ORS eee 0.05 | 0.0 0.0 100.0 0.0 0.0 0.0 14.3 
PP etan 5 oes = O20} 0.0 0.0 25.0 0.0 0.0 0.0 3.8 
50-6... 0.0 0.0 5 75.0 0.0 0.0 0.0 25 
50-24. . 0.0 0.0 0.0 25.0 0.0 0.0 0.0 3.8 
50-27... 0.0 0.0 0.0 75.0 0.0 0.0 0.0 10.7 
50-28 O20} WS PS HSA) 0.0 0.0 0.0 14.3 
SEN ee 0.0 0.0 0.0 62.5 0.0 0.0 0.0 SEO 
Gaye ae 0.0 0.0 0.0 9.0 0.0 0.0 0.0 0.0 
45-75... i235 0.0 0.0 75.0 0.0 0.0 0.0 12.5 
45-78... 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 
46-4.... 12S 0.0 0.0 25,0 25 0.0 0.0 Taal 
MEAG AES oe Si) as 0.0 25.0 100.0 0.0 0.0 0.0 DI ya? 
CTO ie eee ae 87.5 0.0 iff) 87.5 12.5 0.0 0.0 19.6 
47-8 0.0 0.0 WES STS 0.0 0.0 0.0 Tall 
LES 0.0 0.0 0.0 100.0 0.0 0.0 0.0 14.3 
JS a 0.0 0.0 125 100.0 0.0 0.0 0.0 16.1 
BE eter = 0.0 0.0 25.0 100.0 0.0 0.0 0.0 If eo7/ 
49-1.. 0.0 0.0 0.0 100.8 0.0 0.0 0.0 14.3 
49-17. 25.0 WES i/o 100.0 0.0 S175 0.0 30.3 
BOAO Hose 0.0 0.0 50.0 100.0 0.0 S/e5 0.0 26.8 
SUS RS An eee 25.0 0.0 50.0 100.0 0.0 B75 BY) 5) S50 
50-22. 100.0 25 62.5 100.0 0.0 100.0 15 55.3 
Sa eee eg ee 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 
ee ates ha S75 3725 62.5 87.5 50.0 oes 87.5 53.6 
47-3 62.5 125 50.0 100.0 25.0 WAS) 25 39m 
Gee is Ce 2 12.5 0.0 10k 87.5 0.0 0.0 75.0 26.8 
322) ae. 0.0 0.0 50.0 87.5 0.0 0.0 25.0 Dare? 
S10S28) 52 eat aera 1255 0.0 25.0 100.0 0.0 0.0 125 21.4 
BODO nc tree 0.0 0.0 25.0 100.0 0.0 0.0 0.0 17.8 
WADVETARE vee st: 10.9 B5 14.4 59.4 25 Ties (ee — 
