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Table 2 Effects of Bacillus thuringiensis, NPK, Trichoderma harzianum, oxamyl and chicken manure on eggplants cv. Baladi infected with the root-knot nematode, Meloidogyne incognita, under field conditions

From: Field control of Meloidogyne incognita and root rot disease infecting eggplant using nematicide, fertilizers, and microbial agents

Treatments No. of J2 in 250 g soil No. of root galls in 5 (g) roots No. of egg masses in 5 (g) roots Eggplant production
Initial pop. Final pop. % Red. No. % Red. No. % Red. Weight (g) % Inc.
Control 270 986 a 191.6 a 184.4 a 2150.0 j
Bacillus thuringiensis (Bt) 230 322 f 61.6 124.0 b 35.2 83.0 b 54.9 2650.0 h 23.0
NPK 250 325 h 64.4 74.0 cd 61.3 46.2 ef 74.9 4151.0 a 93.0
Trichoderma harzianum 280 305 g 70.1 75.4 cd 60.6 62.0 cd 66.3 2438.0 i 13.1
Oxamyl 245 210 i 76.5 55.0 d 71.2 39.2 f 78.7 2749.0 g 27.0
Chicken manure 365 250 h 81.2 70.8 cd 63.0 51.6 e 70.0 3849.6 c 79.0
Chicken manure + Bt 210 342 e 55.4 74.8 cd 60.9 47.8 cf 74.0 3642.6 d 69.0
Chicken manure + NPK 360 432 c 67.1 78.4 c 59.0 64.6 c 64.9 4107.2 b 91.0
Chicken manure + T. harzianum 285 442 b 57.5 60.6 cd 68.3 42.0 f 77.2 3200.0 f 48.8
Chicken manure + Oxamyl 220 367 d 54.3 76.4 cd 60.1 55.0 de 70.1 3453.4 e 60.6
  1. Each value represents mean of five replicates. Means followed by the same letter(s) within a column are not significantly (P ≤ 0.05) different according to Duncan’s multiple range test
  2. No. number, % Red. % reduction, % Inc. % increase, Initial pop. initial population, Final pop. final population