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Suppressiveness of soil amendments with pelleted plant materials on the root-knot nematode Meloidogyne incognita

T. D’Addabbo
T. D’Addabbo
, 
V. D. Migunova
V. D. Migunova
, 
M. Renčo
M. Renčo
 et 
N. Sasanelli
N. Sasanelli
   | 19 nov. 2020
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Article Category: Research Article
Publié en ligne: 19 nov. 2020
Pages: 376 - 383
Reçu: 04 mai 2020
Accepté: 06 juil. 2020
DOI: https://doi.org/10.2478/helm-2020-0039
Mots clés
© 2020 T. D’Addabbo, V. D. Migunova, M. Renčo, N. Sasanelli, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

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

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).

Rate (g/kg soil) Tomato plant weight (g)
 Root gall index (0 - 5) Nematode population (Eggs and J2/)
 Reproduction rate (Pf/Pi)
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 - - - - - - - -
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