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
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 |