EXCALIA INHERENT ACTIVITY AGAINST SCLEROTIUM ROLFSII VS. OTHER SDHI FUNGICIDES Excalia is highly active against Sclerotium rolfsii . Laboratory tests showed that Excalia inhibits the growth of the white mold pathogen at doses as low as 0.006 ppm (6 parts per billion). No other SDHI fungicide in the test provided the same level of inhibition at doses as low as Excalia . EC50 is the effective concentration in parts per million (ppm) needed to inhibit S. rolfsii hyphal growth by 50%. Excalia was more effective than other SDHI fungicides in inhibiting growth of Sclerotium rolfsii in laboratory testing.
Fluxapyroxad (SDHI in Priazor®) EC50 = 0.044 ppm
Solatenol™ (SDHI in Elatus®) EC50 = 0.029 ppm
Excalia EC50 = 0.006 ppm
Fontelis® EC50 = 0.084 ppm
Convoy® EC50 = 0.094 ppm
Untreated
EXCALIA EFFICACY AGAINST WHITE MOLD (SOUTHERN STEM ROT) Excalia gives excellent control of white mold and delivers top yields when used in 2-, 3- and 4-block spray programs. For control of early and late leaf spot, a protectant such as chlorothalonil or other fungicide recommended for these diseases should be tank-mixed with Excalia .
Excalia Delivered Excellent White Mold Control and Peanut Yields, Fifteen 4-Block Spray Program Trials Conducted Over Three Years
5,000
40%
4,618
36.9% a
4,300
a
4,065
ab
4,000
bc
30%
3,000
2,509
20%
d
2,000
17% b
10%
11.1% bc
1,000
9.5% c
0%
0
Excalia 2 fl oz/A
Fontelis 16 fl oz/A
Convoy 32 fl oz/A
Untreated
4-Block White Mold Spray Program: Bravo applied 7 times, 14-day interval, white mold fungicides applied at sprays 3–6. Means followed by the same letters are not statistically different (P<=0.10). Source: Valent
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