Hatching and Mortality of Meloidogyne enterolobii Under the Interference of Entomopathogenic Nematodes In vitro

	1 ^st Experiment
Trat	2° day	4° day	6° day	8° day	10° day
	2 ^nd Experiment
Trat	2° day	4° day	6° day	8° day	10° day
Control	10.8 ± 3.7 aA	14.5 ± 6.7 aA	32.9 ± 16.7 aB	31.9 ± 10.6 aB	74.8 ± 15.4 aC
SB	3.3 ± 1.4 aA	14.6 ± 6.1 aA	14.0 ± 8.2 bA	43.1 ± 16.9 aB	40.8 ± 11.3 cB
SR	5.8 ± 2.0 aA	13.8 ± 4.1 aA	24.5 ± 13.4 bB	14.6 ± 10.3 bA	53.1 ± 10.3 bC
SF	2.5 ± 1.1 aA	7.7 ± 2.4 aA	11.9 ± 5.5 bA	32.9 ± 9.8 aB	57.8 ± 17.6 bC
HA	4.2 ± 3.7 aA	13.0 ± 6.1 aA	24.5 ± 8.5 bB	40.5 ± 7.8 aC	41.4 ± 13.7 cC
HB	1.7 ± 0.9 aA	20.7 ± 8.1 aB	27.3 ± 10.2 bC	15.8 ± 7.3 bB	41.3 ± 10.2 cD
F₂₅	5.16*
Control	9.2 ± 5.8 aA	15.4 ± 12.9 aA	35.7 ± 11.4 aB	26.6 ± 10.5 aB	63.5 ± 18.3 aC
SB	4.2 ± 2.9 aA	14.6 ± 6.7 aA	14.0 ± 9.1 bA	50.7 ± 14.2 aB	53.3 ± 13.7 bB
SR	10.0 ± 4.9 aA	14.6 ± 6.8 aA	22.1 ± 15.1 bB	18.4 ± 4.0 bA	53.6 ± 22.9 bC
SF	3.3 ± 2.0 aA	18.4 ± 8.7 aA	14.0 ± 6.9 bA	20.9 ± 10.0 aB	46.8 ± 13.3 bC
HA	1.8 ± 1.0 aA	13.0 ± 7.9 aA	22.2 ± 5.1 bB	40.5 ± 6.2 aC	48.2 ± 19.9 bC
HB	3.3 ± 2.0 aA	16.9 ± 7.5 aB	16.1 ± 3.1 bB	23.3 ± 7.5 bC	46.5 ± 19.3 bC
F₂₅	4.49*

Table 2.

Egg mass index (IMO), Galls index (IG), total number of nematodes (NT) and reproduction factor (FR) of Meloidogyne enterolobii in roots of tomato ‘Rutgers’ under the interference of entomopathogenic nematodes.

	1 ^st Experiment
Trat	IMO ^a	IG ^a	NT ^b	FR ^c
	2 ^nd Experiment
Trat	IMO ^a	IG ^a	NT ^b	FR ^c
Control	4.5 ± 0.5 a	4.5 ± 0.5 a	782.0 ± 137.7 a	2.6 ± 0.5 a
SB	2.8 ± 0.7 b	2.8 ± 0.7 b	388.2 ± 56.8 b	1.3 ± 0.2 b
SR	1.5 ± 0.5 b	1.5 ± 0.5 b	376.2 ± 50.2 b	1.3 ± 0.2 b
SF	1.8 ± 1.7 b	1.7 ± 1.5 b	450.5 ± 84.1 b	1.5 ± 0.3 b
HA	1.7 ± 1.0 b	1.2 ± 1.1 b	185.8 ± 19.9 d	0.6 ± 0.1 d
HB	2.3 ± 1.0 b	2.0 ± 1.4 b	304.7 ± 77.3 c	1.0 ± 0.3 c
F_{5, 30}	7.19	7.98	38.28	4.64
Control	4.2 ± 0.7 a	4.2 ± 0.7 a	1632.5 ± 296.7 a	5.7 ± 0.5 a
SB	2.7 ± 0.5 b	2.7 ± 0.5 b	770.2 ± 41.3 c	2.6 ± 0.1 c
SR	2.5 ± 0.8 b	2.7 ± 0.8 b	659.0 ± 39.3 c	2.2 ± 0.1 d
SF	2.2 ± 0.9 b	2.3 ± 1.2 b	732.0 ± 42.3 c	2.4 ± 0.1 c
HA	2.7 ± 0.8 b	2.8 ± 1.1 b	641.7 ± 449.0 c	2.1 ± 1.4 d
HB	2.2 ± 1.1 b	2.0 ± 1.1 b	926.5 ± 21.9 b	3.1 ± 0.1 b
F_{5, 30}	4.38	3.59	49.74	154.16

Table 3.

Mortality percentage of juveniles of M. enterolobii under the interference of entomopathogenic nematodes.

	1 ^st Experiment
Trat	2° day	4° day	6° day	8° day	10° day
	2 ^nd Experiment
Trat	2° day	4° day	6° day	8° day	10° day
Control	6.8 ± 2.5 aA	5.2 ± 0.7 aA	7.7 ± 3.1 aA	10.3 ± 0.6 aA	17.3 ± 6.2 aB
SB	15.2 ± 4.0 bB	11.9 ± 2.0 aA	8.9 ± 3.0 aA	5.8 ± 0.4 aA	12.5 ± 4.6 aB
SR	17.4 ± 4.8 bA	14.4 ± 1.0 aB	11.9 ± 5.6 aA	7.2 ± 3.0 aA	12.7 ± 2.8 aB
SF	9.8 ± 1.3 aA	14.3 ± 3.5 aB	7.9 ± 3.3 aA	7.0 ± 2.9 aA	12.5 ± 3.5 aB
HA	6.0 ± 1.2 aA	10.6 ± 2.3 aB	12.1 ± 3.8 aB	6.9 ± 3.6 aB	11.9 ± 1.8 aB
HB	6.8 ± 1.0 aA	34.2 ± 2.3 bC	11.2 ± 4.3 aB	8.8 ± 3.0 aA	13.0 ± 3.3 aB
F₂₅	12.94*
Control	12.0 ± 2.4 aA	14.7 ± 7.5 aA	14.2 ± 2.4 aA	23.0 ± 0.8 aB	11.9 ± 2.8 aA
SB	20.5 ± 2.5 bB	11.1 ± 2.2 aA	9.8 ± 2.3 aA	16.1 ± 1.2 aA	14.5 ± 1.4 aA
SR	17.6 ± 2.0 bA	10.3 ± 2.2 aA	11.8 ± 1.8 aA	20.6 ± 1.6 aB	14.3 ± 1.7 aA
SF	9.6 ± 2.8 aA	11.1 ± 2.8 aB	11.2 ± 1.7 aB	19.5 ± 1.6 aB	13.3 ± 2.7 aB
HA	11.8 ± 2.5 aA	10.4 ± 1.0 aA	11.2 ± 2.2 aA	26.0 ± 4.3 aB	15.6 ± 1.4 aB
HB	13.7 ± 3.7 aB	30.8 ± 5.5 bB	15.8 ± 1.6 aA	30.0 ± 5.1 aB	13.2 ± 4.6 aA
F₂₅	12.25*

References

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Articles in this issue

DOI: https://doi.org/10.21307/jofnem-2019-058 | Journal eISSN: 2640-396X | Journal ISSN: 0022-300X

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Language: English

Page range: 1 - 8

Published online: Sep 17, 2019

Published in print: Jan 1, 2019

Published by: Society of Nematologists, Inc.

In partnership with: Paradigm Publishing Services

Publication frequency: 1 issue per year

Keywords:

Biological control,

Entomopathogens,

Management,

Phytopathogenic nematodes

Related subjects:

Life sciences,

Life sciences, other

© 2019 Alixelhe Pacheco Damascena, Júlio César Antunes Ferreira, Marylia Gabriella Silva Costa, Luis Moreira de Araujo Junior, Silvia Renata Siciliano Wilcken, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 51 (2019): Issue 1 (January 2019)