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Table 11 Percentages of increase of vegetative parameters and yield of cowpea infected by root-knot nematode, Meloidogyne incognita, as affected by three spore concentrations from Beauveria bassiana, Metarhiziam aniisopliae, and Paecilomyces lilacinus

From: Evaluation of the fungal activity of Beauveria bassiana, Metarhizium anisopliae and Paecilomyces lilacinus as biocontrol agents against root-knot nematode, Meloidogyne incognita on cowpea

Treatments Concentration % increases in shoot parameters % increases in root parameters % increases in pod parameters % mean total percentages of plant growth and yield increases
No. Weight
Length Fresh weight Dry weight Fresh weight Dry weight
Beauveria bassiana 1 × 108 27.4 62.8 70.0 78.0 77.8 66.7 69.0 64.5
1 × 107 4.0 14.0 38.6 72.0 50.0 33.3 31.0 34.7
1 × 106 3.0 9.2 12.9 38.0 38.9 00.0 7.0 15.6
Metarhiziam aniisopliae 1 × 108 19.4 65.3 87.1 116.0 61.1 33.3 55.2 62.5
1 × 107 14.0 45.2 58.6 58.0 44.4 00.0 31.o 35.9
1 × 106 8.2 28.8 44.3 46.0 38.9 00.0 13.8 25.7
Paecilomyces lilacinus 1 × 108 33.9 103.1 104.4 44.0 38.9 66.7 55.2 63.7
1 × 107 17.7 29.8 44.3 36.0 33.3 33.3 34.5 32.7
1 × 106 8.6 27.6 21.4 16.0 22.2 00.0 7.0 14.7
Untreated (control) 00.0 00.0 00.0 00.0 00.0 00.0 00.0 00.0