Table 1
Effect of soil amendments with formulated M. sativa biomass, Beta vulgaris pressed pulp and B. carinata seed meal on the infestation of M. incognita and growth of potted tomato (cv Regina).
| aerial part | roots | g root | mL soil | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B. carinata seed meal | ||||||||||||
| 10 | 73.0 ± 1.5* | i** | 37.5 ± 1.2 | f | 2.5 ± 0.3 | cd | 98 ± 5.3 | hi | 2.8 ±0.3 | cd | 0.8 ± 0 | g |
| 20 | 60.5 ± 0.9 | f | 28.0 ± 0.4 | e | 2.0 ± 0 | de | 37 ± 0.6 | ij | 2.0 ± 0.1 | ef | 0.4 ± 0 | h |
| 30 | 52.7 ± 1.1 | de | 27.5 ± 1.0 | de | 1.0 ± 0 | f | 23 ± 0.4 | j | 1.8 ± 0.3 | f | 0.3 ± 0 | h |
| 40 | 50.7 ± 0.8 | cd | 25.3 ± 0.8 | cd | 1.0 ± 0 | f | 19 ± 1.0 | j | 1.0 ± 0 | g | 0.2 ± 0 | h |
| B. vulgaris pressed pulp | ||||||||||||
| 10 | 30.2 ± 0.8 | b | 28.2 ± 0.9 | e | 1.0 ± 0 | f | 906 ± 6.3 | d | 2.8 ± 0.3 | cd | 3.4 ± 0.1 | d |
| 20 | 55.0 ± 1.2 | e | 38.0 ± 0.9 | f | 1.3 ± 0.3 | f | 781 ± 6.5 | e | 2.0 ± 0 | ef | 3.8 ± 0.1 | c |
| 30 | 61.0 ± 0.4 | fg | 45.5 ± 1.0 | h | 1.0 ± 0 | f | 405 ± 3.6 | g | 2.0 ± 0.1 | eg | 2.5 ± 0.1 | f |
| 40 | 47.7 ± 1.5 | c | 19.0 ± 0.9 | b | 1.5 ± 0.3 | ef | 53 ± 2.3 | hij | 1.0 ± 0 | g | 0.3 ± 0 | h |
| M. sativa biomass | ||||||||||||
| 10 | 64.0 ± 2.0 | gh | 29.8 ± 1.0 | e | 2.5 ± 0.3 | cd | 968 ± 28.0 | cd | 3.0 ± 0.2 | cd | 3.9 ± 0.2 | c |
| 20 | 89.7 ± 0.9 | k | 51.8 ± 0.6 | i | 1.5 ± 0.3 | ef | 601 ± 5.6 | f | 2.5 ± 0.3 | de | 4.1 ± 0.2 | c |
| 30 | 83.0 ± 1.1 | j | 52.8 ± 0.6 | i | 1.3 ± 0.3 | f | 436 ± 13.8 | g | 1.0 ± 0 | g | 2.9 ± 0.1 | e |
| 40 | 26.0 ± 0.4 | a | 3.8 ± 0.3 | a | 1.0 ± 0 | f | 114 ± 1.7 | h | 0.8 ± 0.3 | g | 0.2 ± 0 | h |
| Oxamyl | 54.7 ± 1.5 | e | 40.7 ± 1.4 | g | 2.8 ± 0.3 | bc | 1,007 ± 6.6 | bc | 3.2 ± 0.3 | bc | 5.3 ± 0.1 | b |
| Non treated | 47.7 ± 0.6 | c | 24.0 ± 0.4 | c | 4.0 ± 0 | a | 4,710 ± 81.1 | a | 10.2 ± 0.6 | a | 14.9 ± 0.3 | a |
| Non infested | 64.7 ± 1.5 | h | 45.0 ± 0.7 | h | - | - | - | - | - | - | - | - |

Fig. 1
Analytical relationship between number of M. incognita eggs and J2 per gram of tomato roots and rates of the three amendments.

Fig. 2
Comparison of cumulative effect of soil amendments with M. sativa biomass (MSB), B. vulgaris pressed pulp (SBP) and B. carinata seed meal (BSM) on number of M. incognita eggs and J2 on tomato roots (A) and weight of plant aerial parts (B).

Fig. 3
Effect of soil amendments with formulated M. sativa biomass (MSB), B. vulgaris pressed pulp (SBP) and B. carinata seed meal (BSM) in comparison to Oxamyl (OXA) and untreated control (NTR) on yield of tomato cv Regina (A), gall formation on tomato roots (B), final soil population density (C) and reproduction rate (D) of M. incognita in field.