Garlic essential oil reduces the population of Meloidogyne incognita in tomato plants

Jardim, Iselino Nogueira; Oliveira, Denilson F.; Campos, Vicente Paulo; Silva, Geraldo Humberto; Souza, Paulo Estevão de

doi:10.1007/s10658-020-02000-1

Cited by 25 publications

(31 citation statements)

References 36 publications

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“…Overall, the highest concentration presented, 2 mg/mL, showed the strongest controlling effect on J2, resulting in no root galls after the J2 were incubated for 48 h and 96 h to NEMguard ® DE. These findings are in line with previous investigations, showing that the nematicidal potential of the NEMguard ® solution (NEMguard ® SC), a different formulation as the one we used for our study against M. incognita , is concentration and time dependent [ 20 , 26 ].…”

Section: Resultssupporting

confidence: 93%

“…By evaluating the dead J2 with the NaOH method, the number of immotile J2 only significantly differed from the dead ones (NaOH) twice, revealing that the visual observation was in line with the evaluation of the dead J2 ( Table 1 ). Jardim et al [ 20 ] tested the effect of garlic oil on M. incognita J2, using the same method to test immotile J2 from dead J2. However, the NaOH method differed from the immotile J2 in the lower concentrations of the oil they tested, showing that there can be differences in the visual assumption, nematode behavior or fitness and therefore the use of NaOH is a good tool for this distinction.…”

Section: Resultsmentioning

confidence: 99%

“…For decades, nematicidal activity of different garlic compositions have been reported against Meloidogyne spp. [ 17 , 18 , 19 , 20 ] and different garlic-based pesticides are approved/registered and sold to control nematodes and other pests with different levels of success [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

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Polysulfides Applied as Formulated Garlic Extract to Protect Tomato Plants against the Root-Knot Nematode Meloidogyne incognita

Eder

Consoli

Krauß

et al. 2021

Plants

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The devastating root-knot nematode Meloidogyne incognita can cause severe damage to field and greenhouse crops. Due to high economic losses, alternative products are essential to replace banned or strictly regulated nematicides that affect human health and/or the environment. Garlic based products have been previously investigated as environmentally friendly nematicides and their active substances, diallyl polysulfides exist as formulated nematicides on the market. We tested the garlic-based nematicide NEMguard® DE as protective of tomato roots. In vitro evaluation of the lethal concentration (LC) showed strong nematicidal activity with LC50 of 0.8 mg/mL after 96 h and LC90 of 1.5 mg/mL. NEMguard® DE showed protective effect against M. incognita as a single application in small pots and a second application further reduced root galling, significantly. Large greenhouse trials were carried out in two consecutive years to test single and monthly applications of NEMguard® DE. In both years, no controlling effect could be observed on M.incognita. We assume that the silt content of the loamy sandy soil used had an effect on the polysulfides, inhibiting their nematicidal effect. We conclude that further experiments are necessary to investigate the nematicidal potential of NEMguard® DE under different soil compositions or as a different formulation.

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Section: Resultssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 99%

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Polysulfides Applied as Formulated Garlic Extract to Protect Tomato Plants against the Root-Knot Nematode Meloidogyne incognita

Eder

Consoli

Krauß

et al. 2021

Plants

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“…More recently, D'Addabbo et al [118] found that soil treatment with sesame oil effectively controlled M. incognita on tomato crops. Furthermore, several studies underlined the efficacy of garlic extracts against insects [119,120] and PPNs, including the pine wood nematode Bursaphelenchus xylophilus (Steiner and Buhrer) Nickle [121], M. incognita [122]. Abd-Elgawad et al [123] underscored that soil treatment with a commercial product containing aqueous garlic extract reduced the nematode root gall index.…”

Section: Ppn Management In Organic Farming Systems Of Southern Moroccomentioning

confidence: 99%

Diversity and Management Strategies of Plant Parasitic Nematodes in Moroccan Organic Farming and Their Relationship with Soil Physico-Chemical Properties

Krif

Mokrını²,

Aissami

et al. 2020

Agriculture

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Organic farming has been increasing steadily over the last decade and is expected to grow drastically in the future. Plant parasitic nematodes (PPNs) are known as one of the most important pests attacking various plants in conventional and organic farming systems. A survey was conducted in January 2019 to determine the occurrence and diversity of PPNs, their associations with soil properties, and to assess their management methods in organically farmed fields in Southern Morocco. Twelve genera of PPNs were identified in soil and root samples collected from 53 organic fields, including Meloidogyne, Pratylenchus, Helicotylenchus, Tylenchus, Tylenchorynchus, Criconemoides, Trichodorus, and Xiphinema. The root-knot nematodes (Meloidogyne spp.) and the root-lesion nematode (Pratylenchus spp.) were the most prevalent PPNs. Vegetable crops (bean, onion, and tomato) had high nematode diversity indices compared to some aromatic and medicinal crops, including the Shannon, Evenness, and plant parasitic index (PPI). Our study underlined that several PPN genera were significantly correlated with soil physico-chemical properties, in particular, soil structure and organic matter. Therefore, it was concluded that soil properties have a considerable impact on PPN communities in organic farming systems located in Southern Morocco. There are numerous strategies for the control of PPNs in organic farming systems.

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“…El control biológico basado en inóculos de fuente vegetal incluye diversas especies como: Artemisia vulgaris (Da R Costa et al,2003), Azadirachta indica (McSorley, 2011), Allium sativum (Jardim, I. N et al 2020), Crotalaria juncea (Jardim, I. N. et al 2020), Tagetes minuta (McSorley, 1999), Tagetes erecta (Zhou et al, 2010) y Ricinus comunis (McSorley, 1999). Las especies de Ricinus constituyen un grupo de antagonistas potenciales con crecimiento rápido, que han sido comúnmente usados en el control de varios géneros de nematodos parásitos (Franco-Navarro et al, 2002).…”

Section: Introductionunclassified

EFFECT OF Ricinus communis FOLIAGE ON Meloidogyne sp. ROOTGALLING IN TOMATO PLANTS

Armas-Mantilla¹,

Barrios-Cárdenas²,

Briceño-Muñoz³

et al. 2020

rebiol

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El efecto del follaje de Ricinus communis "higuerilla" sobre la nodulación radicular inducida por Meloidogyne sp. en plantas de tomate var. dominator fue determinado en un nethouse, con el objetivo de proporcionar una alternativa ecológica para el control de este patógeno. Se prepararon tres concentraciones, 10, 20 y 30% (v/v), de follaje de R. communis e inocularon en suelo franco-arenoso esterilizado contenido en macetas. Cada concentración incluyó 10 réplicas y un grupo control (sin enmienda) fue establecido. En cada maceta se sembró una plántula de tomate, y 48 horas post-siembra se inoculó 3000 huevos de Meloidogyne sp. en la base del tallo. El número de nódulos radiculares fue determinado ocho semanas después de la infección. A pesar que todas las plantas desarrollaron nódulos; el número de nódulos en las concentraciones 20 y 30% fue significativamente menor al grupo control (p< 0,05). Mientras, las plantas expuestas a 10% de enmienda no exhibieron diferencias significativas con el grupo control. El follaje de R. communis aplicado como enmienda orgánica al 20 y 30% en suelo de cultivo de tomate limita la nodulación radicular inducida por Meloidogyne sp, sugiriendo su implementación en control de este nematodo.

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Garlic essential oil reduces the population of Meloidogyne incognita in tomato plants

Cited by 25 publications

References 36 publications

Polysulfides Applied as Formulated Garlic Extract to Protect Tomato Plants against the Root-Knot Nematode Meloidogyne incognita

Polysulfides Applied as Formulated Garlic Extract to Protect Tomato Plants against the Root-Knot Nematode Meloidogyne incognita

Diversity and Management Strategies of Plant Parasitic Nematodes in Moroccan Organic Farming and Their Relationship with Soil Physico-Chemical Properties

EFFECT OF Ricinus communis FOLIAGE ON Meloidogyne sp. ROOTGALLING IN TOMATO PLANTS

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