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Table 2 Weight gain of Spodoptera frugiperda larvae feeding on root-inoculated tomato varieties (Harzfeuer and Matina) either with Beauveria bassiana (BbC1) or with Metarhizium anisopliae (M150) for 21 days

From: Endophytic fungi, Beauveria bassiana and Metarhizium anisopliae, confer control of the fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), in two tomato varieties

Treatment Mean weight gain of S. frugiperda larvae (mg) ± se*
Tomato variety Fungal treatment Days
7 14 21
Matina None (control) 23.40 ± 2.93a 110.77 ± 8.69ab 202.78 ± 19.64bc
BbC1 20.99 ± 1.70b 81.29 ± 11.58bc 147.18 ± 28.74cd
M150 21.35 ± 1.47a 70.16 ± 9.56c 95.56 ± 13.56d
Harzfeuer None (control) 22.17 ± 1.92ab 127.91 ± 8.47a 332.38 ± 30.14a
BbC1 16.98 ± 1.81bc 104.40 ± 17.03ab 300.78 ± 29.18a
M150 11.34 ± 1.60c 72.62 ± 11.48c 235.96 ± 36.08b
  1. Means with the same letter within the same column are not significantly different (P ≤ 0.05)
  2. *Values are means (± se) of three replicates of assays each containing 12 larvae ± se
  3. Calculated from a mean original weight (3.25 ± 0.15 mg) of 12 larvae