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International Congress BIOLOGICAL PRODUCTS - Gruppo di ...

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FIGURE 3. Insecticidal activity of fermented broth of XP01 strain against neonates of Mamestra brassicae,<br />

Spodoptera littoralis, Helicoverpa armigera, Scotia segetum and Agrotis ipsilon. n= 32 larvae for each treatment<br />

FIGURE 4. Insecticidal activity of fermented broth XP01 strain and of XP01 technical powder (resuspended to<br />

the original broth concentration of suspended solids) against neonates of Mamestra brassicae. Each point<br />

represents the percent mortality obtained treating a total of 96 insects in 3 replicate bioassays with 32 insect<br />

each.<br />

Larval mortality (%)<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

Larval mortality (%)<br />

100<br />

80<br />

60<br />

40<br />

20<br />

0<br />

1:1 1:4 1:8 1:16 untreated<br />

135<br />

Dilution<br />

Spodoptera littoralis Helicoverpa armigera Agrotis ipsilon<br />

Scotia segetum Mamestra brassicae<br />

1:1 1:2 1:4 1:8 1:16<br />

Dilution rate<br />

XP01broth XP01 F.D. Technical powder<br />

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