Phospholipid fatty acids (nmol g−1 DW soil ± SD) in the rhizosphere soil of barley plants without (control) or inoculated with 2000, 4000, and 8000 Meloidogyne incognita after 2, 3, and 4 weeks
Nematodes | Week | |||||||||||
2 | 3 | 4 | ||||||||||
Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | |
14:0 | 0.38ab | 0.42a | 0.35b | 0.34b | ND | ND | ND | ND | 0.28 | 0.30 | 0.30 | 0.28 |
15:0 | 0.26a | 0.25ab | 0.19b | 0.21ab | ND | ND | ND | ND | 0.16 | 0.20 | 0.16 | 0.20 |
i15:0 | 2.31ab | 2.38a | 2.10ab | 2.04b | 0.35 | 0.45 | 0.37 | 0.34 | 1.77 | 1.92 | 1.85 | 1.77 |
a15:0 | 1.43 | 0.85 | 0.57 | 0.46 | 0.21 | 0.35 | 0.13 | 0.24 | 1.09 | 0.27 | 0.36 | 0.56 |
16:0 | 3.79a | 3.83a | 3.39b | 3.25b | 2.16b | 2.53a | 2.23b | 2.15b | 3.21 | 3.56 | 3.37 | 3.29 |
i16:0 | 0.93a | 0.93a | 0.87ab | 0.83b | 0.37ab | 0.42a | 0.38ab | 0.36b | 0.70b | 0.77a | 0.74ab | 0.71ab |
16:1ω5 | 0.75a | 0.75a | 0.69ab | 0.66b | 0.32b | 0.36a | 0.33ab | 0.31b | 0.59 | 0.67 | 0.63 | 0.61 |
16:1ω7 | 1.62a | 1.62a | 1.45b | 1.40b | 0.61 | 0.71 | 0.63 | 0.60 | 1.33b | 1.46a | 1.38ab | 1.35ab |
17:0 | 0.13ab | 0.14ab | 0.11b | 0.14a | 0.19 | 0.17 | 0.17 | 0.15 | 0.18 | 0.20 | 0.20 | 0.21 |
i17:0 | 0.64a | 0.64a | 0.60ab | 0.58b | 0.41b | 0.44a | 0.41b | 0.42b | 0.49b | 0.55a | 0.52ab | 0.51ab |
cy17:0 | 0.60ab | 0.63a | 0.57b | 0.57ab | 0.33b | 0.38a | 0.34b | 0.33b | 0.46 | 0.46 | 0.45 | 0.48 |
18:0 | 0.73 | 0.76 | 0.68 | 0.68 | 0.83b | 0.93a | 0.85b | 0.82b | 0.78 | 0.84 | 0.80 | 0.78 |
18:1ω7 | 1.73 | 1.70 | 1.68 | 1.60 | 1.37b | 1.53a | 1.41b | 1.35b | 1.44 | 1.58 | 1.52 | 1.46 |
18:1ω9 | 1.76a | 1.73a | 1.49b | 1.42b | 1.79b | 2.07a | 1.84b | 1.79b | 1.81 | 1.96 | 1.89 | 1.85 |
18:2ω6,9 | 0.32a | 0.27ab | 0.19b | 0.19b | 0.36 | 0.45 | 0.36 | 0.31 | 0.41 | 0.42 | 0.44 | 0.42 |
cy19:0 | 0.13 | 0.14 | 0.13 | 0.14 | 0.11 | 0.12 | 0.11 | 0.10 | 0.10 | 0.09 | 0.11 | 0.10 |
20:0 | 0.18 | 0.20 | 0.19 | 0.19 | 0.31b | 0.33a | 0.31b | 0.29b | 0.27 | 0.26 | 0.27 | 0.26 |
22:0 | 0.26 | 0.26 | 0.27 | 0.27 | 0.36b | 0.39a | 0.36b | 0.35b | 0.30 | 0.32 | 0.31 | 0.31 |
24:0 | 0.27 | 0.28 | 0.29 | 0.29 | 0.27 | 0.29 | 0.27 | 0.20 | 0.22 | 0.24 | 0.23 | 0.23 |
Nematodes | Week | |||||||||||
2 | 3 | 4 | ||||||||||
Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | |
14:0 | 0.38ab | 0.42a | 0.35b | 0.34b | ND | ND | ND | ND | 0.28 | 0.30 | 0.30 | 0.28 |
15:0 | 0.26a | 0.25ab | 0.19b | 0.21ab | ND | ND | ND | ND | 0.16 | 0.20 | 0.16 | 0.20 |
i15:0 | 2.31ab | 2.38a | 2.10ab | 2.04b | 0.35 | 0.45 | 0.37 | 0.34 | 1.77 | 1.92 | 1.85 | 1.77 |
a15:0 | 1.43 | 0.85 | 0.57 | 0.46 | 0.21 | 0.35 | 0.13 | 0.24 | 1.09 | 0.27 | 0.36 | 0.56 |
16:0 | 3.79a | 3.83a | 3.39b | 3.25b | 2.16b | 2.53a | 2.23b | 2.15b | 3.21 | 3.56 | 3.37 | 3.29 |
i16:0 | 0.93a | 0.93a | 0.87ab | 0.83b | 0.37ab | 0.42a | 0.38ab | 0.36b | 0.70b | 0.77a | 0.74ab | 0.71ab |
16:1ω5 | 0.75a | 0.75a | 0.69ab | 0.66b | 0.32b | 0.36a | 0.33ab | 0.31b | 0.59 | 0.67 | 0.63 | 0.61 |
16:1ω7 | 1.62a | 1.62a | 1.45b | 1.40b | 0.61 | 0.71 | 0.63 | 0.60 | 1.33b | 1.46a | 1.38ab | 1.35ab |
17:0 | 0.13ab | 0.14ab | 0.11b | 0.14a | 0.19 | 0.17 | 0.17 | 0.15 | 0.18 | 0.20 | 0.20 | 0.21 |
i17:0 | 0.64a | 0.64a | 0.60ab | 0.58b | 0.41b | 0.44a | 0.41b | 0.42b | 0.49b | 0.55a | 0.52ab | 0.51ab |
cy17:0 | 0.60ab | 0.63a | 0.57b | 0.57ab | 0.33b | 0.38a | 0.34b | 0.33b | 0.46 | 0.46 | 0.45 | 0.48 |
18:0 | 0.73 | 0.76 | 0.68 | 0.68 | 0.83b | 0.93a | 0.85b | 0.82b | 0.78 | 0.84 | 0.80 | 0.78 |
18:1ω7 | 1.73 | 1.70 | 1.68 | 1.60 | 1.37b | 1.53a | 1.41b | 1.35b | 1.44 | 1.58 | 1.52 | 1.46 |
18:1ω9 | 1.76a | 1.73a | 1.49b | 1.42b | 1.79b | 2.07a | 1.84b | 1.79b | 1.81 | 1.96 | 1.89 | 1.85 |
18:2ω6,9 | 0.32a | 0.27ab | 0.19b | 0.19b | 0.36 | 0.45 | 0.36 | 0.31 | 0.41 | 0.42 | 0.44 | 0.42 |
cy19:0 | 0.13 | 0.14 | 0.13 | 0.14 | 0.11 | 0.12 | 0.11 | 0.10 | 0.10 | 0.09 | 0.11 | 0.10 |
20:0 | 0.18 | 0.20 | 0.19 | 0.19 | 0.31b | 0.33a | 0.31b | 0.29b | 0.27 | 0.26 | 0.27 | 0.26 |
22:0 | 0.26 | 0.26 | 0.27 | 0.27 | 0.36b | 0.39a | 0.36b | 0.35b | 0.30 | 0.32 | 0.31 | 0.31 |
24:0 | 0.27 | 0.28 | 0.29 | 0.29 | 0.27 | 0.29 | 0.27 | 0.20 | 0.22 | 0.24 | 0.23 | 0.23 |
Mean within rows of each week with the same or no letters are not significantly different according to Tukey's HSD (P<0.05).
Phospholipid fatty acids (nmol g−1 DW soil ± SD) in the rhizosphere soil of barley plants without (control) or inoculated with 2000, 4000, and 8000 Meloidogyne incognita after 2, 3, and 4 weeks
Nematodes | Week | |||||||||||
2 | 3 | 4 | ||||||||||
Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | |
14:0 | 0.38ab | 0.42a | 0.35b | 0.34b | ND | ND | ND | ND | 0.28 | 0.30 | 0.30 | 0.28 |
15:0 | 0.26a | 0.25ab | 0.19b | 0.21ab | ND | ND | ND | ND | 0.16 | 0.20 | 0.16 | 0.20 |
i15:0 | 2.31ab | 2.38a | 2.10ab | 2.04b | 0.35 | 0.45 | 0.37 | 0.34 | 1.77 | 1.92 | 1.85 | 1.77 |
a15:0 | 1.43 | 0.85 | 0.57 | 0.46 | 0.21 | 0.35 | 0.13 | 0.24 | 1.09 | 0.27 | 0.36 | 0.56 |
16:0 | 3.79a | 3.83a | 3.39b | 3.25b | 2.16b | 2.53a | 2.23b | 2.15b | 3.21 | 3.56 | 3.37 | 3.29 |
i16:0 | 0.93a | 0.93a | 0.87ab | 0.83b | 0.37ab | 0.42a | 0.38ab | 0.36b | 0.70b | 0.77a | 0.74ab | 0.71ab |
16:1ω5 | 0.75a | 0.75a | 0.69ab | 0.66b | 0.32b | 0.36a | 0.33ab | 0.31b | 0.59 | 0.67 | 0.63 | 0.61 |
16:1ω7 | 1.62a | 1.62a | 1.45b | 1.40b | 0.61 | 0.71 | 0.63 | 0.60 | 1.33b | 1.46a | 1.38ab | 1.35ab |
17:0 | 0.13ab | 0.14ab | 0.11b | 0.14a | 0.19 | 0.17 | 0.17 | 0.15 | 0.18 | 0.20 | 0.20 | 0.21 |
i17:0 | 0.64a | 0.64a | 0.60ab | 0.58b | 0.41b | 0.44a | 0.41b | 0.42b | 0.49b | 0.55a | 0.52ab | 0.51ab |
cy17:0 | 0.60ab | 0.63a | 0.57b | 0.57ab | 0.33b | 0.38a | 0.34b | 0.33b | 0.46 | 0.46 | 0.45 | 0.48 |
18:0 | 0.73 | 0.76 | 0.68 | 0.68 | 0.83b | 0.93a | 0.85b | 0.82b | 0.78 | 0.84 | 0.80 | 0.78 |
18:1ω7 | 1.73 | 1.70 | 1.68 | 1.60 | 1.37b | 1.53a | 1.41b | 1.35b | 1.44 | 1.58 | 1.52 | 1.46 |
18:1ω9 | 1.76a | 1.73a | 1.49b | 1.42b | 1.79b | 2.07a | 1.84b | 1.79b | 1.81 | 1.96 | 1.89 | 1.85 |
18:2ω6,9 | 0.32a | 0.27ab | 0.19b | 0.19b | 0.36 | 0.45 | 0.36 | 0.31 | 0.41 | 0.42 | 0.44 | 0.42 |
cy19:0 | 0.13 | 0.14 | 0.13 | 0.14 | 0.11 | 0.12 | 0.11 | 0.10 | 0.10 | 0.09 | 0.11 | 0.10 |
20:0 | 0.18 | 0.20 | 0.19 | 0.19 | 0.31b | 0.33a | 0.31b | 0.29b | 0.27 | 0.26 | 0.27 | 0.26 |
22:0 | 0.26 | 0.26 | 0.27 | 0.27 | 0.36b | 0.39a | 0.36b | 0.35b | 0.30 | 0.32 | 0.31 | 0.31 |
24:0 | 0.27 | 0.28 | 0.29 | 0.29 | 0.27 | 0.29 | 0.27 | 0.20 | 0.22 | 0.24 | 0.23 | 0.23 |
Nematodes | Week | |||||||||||
2 | 3 | 4 | ||||||||||
Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | Control | 2000 | 4000 | 8000 | |
14:0 | 0.38ab | 0.42a | 0.35b | 0.34b | ND | ND | ND | ND | 0.28 | 0.30 | 0.30 | 0.28 |
15:0 | 0.26a | 0.25ab | 0.19b | 0.21ab | ND | ND | ND | ND | 0.16 | 0.20 | 0.16 | 0.20 |
i15:0 | 2.31ab | 2.38a | 2.10ab | 2.04b | 0.35 | 0.45 | 0.37 | 0.34 | 1.77 | 1.92 | 1.85 | 1.77 |
a15:0 | 1.43 | 0.85 | 0.57 | 0.46 | 0.21 | 0.35 | 0.13 | 0.24 | 1.09 | 0.27 | 0.36 | 0.56 |
16:0 | 3.79a | 3.83a | 3.39b | 3.25b | 2.16b | 2.53a | 2.23b | 2.15b | 3.21 | 3.56 | 3.37 | 3.29 |
i16:0 | 0.93a | 0.93a | 0.87ab | 0.83b | 0.37ab | 0.42a | 0.38ab | 0.36b | 0.70b | 0.77a | 0.74ab | 0.71ab |
16:1ω5 | 0.75a | 0.75a | 0.69ab | 0.66b | 0.32b | 0.36a | 0.33ab | 0.31b | 0.59 | 0.67 | 0.63 | 0.61 |
16:1ω7 | 1.62a | 1.62a | 1.45b | 1.40b | 0.61 | 0.71 | 0.63 | 0.60 | 1.33b | 1.46a | 1.38ab | 1.35ab |
17:0 | 0.13ab | 0.14ab | 0.11b | 0.14a | 0.19 | 0.17 | 0.17 | 0.15 | 0.18 | 0.20 | 0.20 | 0.21 |
i17:0 | 0.64a | 0.64a | 0.60ab | 0.58b | 0.41b | 0.44a | 0.41b | 0.42b | 0.49b | 0.55a | 0.52ab | 0.51ab |
cy17:0 | 0.60ab | 0.63a | 0.57b | 0.57ab | 0.33b | 0.38a | 0.34b | 0.33b | 0.46 | 0.46 | 0.45 | 0.48 |
18:0 | 0.73 | 0.76 | 0.68 | 0.68 | 0.83b | 0.93a | 0.85b | 0.82b | 0.78 | 0.84 | 0.80 | 0.78 |
18:1ω7 | 1.73 | 1.70 | 1.68 | 1.60 | 1.37b | 1.53a | 1.41b | 1.35b | 1.44 | 1.58 | 1.52 | 1.46 |
18:1ω9 | 1.76a | 1.73a | 1.49b | 1.42b | 1.79b | 2.07a | 1.84b | 1.79b | 1.81 | 1.96 | 1.89 | 1.85 |
18:2ω6,9 | 0.32a | 0.27ab | 0.19b | 0.19b | 0.36 | 0.45 | 0.36 | 0.31 | 0.41 | 0.42 | 0.44 | 0.42 |
cy19:0 | 0.13 | 0.14 | 0.13 | 0.14 | 0.11 | 0.12 | 0.11 | 0.10 | 0.10 | 0.09 | 0.11 | 0.10 |
20:0 | 0.18 | 0.20 | 0.19 | 0.19 | 0.31b | 0.33a | 0.31b | 0.29b | 0.27 | 0.26 | 0.27 | 0.26 |
22:0 | 0.26 | 0.26 | 0.27 | 0.27 | 0.36b | 0.39a | 0.36b | 0.35b | 0.30 | 0.32 | 0.31 | 0.31 |
24:0 | 0.27 | 0.28 | 0.29 | 0.29 | 0.27 | 0.29 | 0.27 | 0.20 | 0.22 | 0.24 | 0.23 | 0.23 |
Mean within rows of each week with the same or no letters are not significantly different according to Tukey's HSD (P<0.05).
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