Table I. Cercospora early blight on Celery. Rate atd Interval of two fungicides
 and effect on disease control.
 2/
 Rate_ 3/Disease severity/
Applications/wk. Fungicide Ibs/A 1-11-68 sig-R 1-22-68 sig. 1-26-68 sig.

 21 Daconil 0.25 3.5 3.8 2.8 a

 2 Daconil 0.5 3.0 3.8 3.0 a

 2 Daconil 0.75 3.0 2.8 a 3.0 a

 2 Daconil 1.0 2.8 a 2.8 a 3.0 a

 2 M-45 0.25 3.2 4.0 3.8

 2 M-45 0.5 3.2 4.0 4.0

 2 M-45 0.75 2.8 a 3.2 3.2

 2 M-45 1.0 3.0 3.2 3.0 a

 31 Daconil 0.25 3.0 3.2 3.0 a

 3 Daconil 0.5 2.2 a 3.5 3.2

 3 Daconil 0.75 2.2 a 2.2 a 2.2 a

 3 Daconil 1.0 2.0 a 2.0 a 2.0 a

 3 M-45 0.25 3.0 3.2 3.2

 3 M-45 0.5 2.8 a 3.5 3.2

 3 M-45 0.75 2.0 a 3.0 3.0 a

 3 M-45 1.0 2.2 a 2.8 a 2.8 a


Unsprayed Check


5.2


6.0


6.0


-' Twice-a-week for a total of 20 applications and thrice-a-week for a total of
 29 applications.
2/ Severity based on Horsfall-Barratt rating scale where 1 = no disease, 12 =
 plants dead. Data are the average of four replications.
3/ Duncan's multiple range test. Treatment means followed by the same alphabetical
 letter are not significant at the 5% level.


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