Eco–friendly management of Meloidogyne javanica in chickpea (Cicer arietinum L.) using organic amendments and bio–control agent

Singh, B. B.; Devindrappa,; Hazra, Kali Krishna; Singh, Ummed; Gupta, Sanjeev

doi:10.1016/j.jclepro.2020.120542

Cited by 14 publications

(7 citation statements)

References 23 publications

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“…However, nematode resistance gradually increased due to the frequent or excessive use of drugs. Thus, the application of a single nematicide or a single nematicidal function promotes the development of resistance, which makes nematode control more difficult [ 31 , 32 ]. Therefore, screening of environmentally friendly strains and active substances is an effective way to solve the drug resistance of nematodes.…”

Section: Discussionmentioning

confidence: 99%

Volatile Organic Compounds from Bacillus aryabhattai MCCC 1K02966 with Multiple Modes against Meloidogyne incognita

et al. 2021

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Plant-parasitic nematodes cause severe losses to crop production and economies all over the world. Bacillus aryabhattai MCCC 1K02966, a deep-sea bacterium, was obtained from the Southwest Indian Ocean and showed nematicidal and fumigant activities against Meloidogyne incognita in vitro. The nematicidal volatile organic compounds (VOCs) from the fermentation broth of B. aryabhattai MCCC 1K02966 were investigated further using solid-phase microextraction gas chromatography-mass spectrometry. Four VOCs, namely, pentane, 1-butanol, methyl thioacetate, and dimethyl disulfide, were identified in the fermentation broth. Among these VOCs, methyl thioacetate exhibited multiple nematicidal activities, including contact nematicidal, fumigant, and repellent activities against M. incognita. Methyl thioacetate showed a significant contact nematicidal activity with 87.90% mortality at 0.01 mg/mL by 72 h, fumigant activity in mortality 91.10% at 1 mg/mL by 48 h, and repellent activity at 0.01–10 mg/mL. In addition, methyl thioacetate exhibited 80–100% egg-hatching inhibition on the 7th day over the range of 0.5 mg/mL to 5 mg/mL. These results showed that methyl thioacetate from MCCC 1K02966 control M. incognita with multiple nematicidal modes and can be used as a potential biological control agent.

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Section: Discussionmentioning

confidence: 99%

Volatile Organic Compounds from Bacillus aryabhattai MCCC 1K02966 with Multiple Modes against Meloidogyne incognita

et al. 2021

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“…The use of resistance genes is limited or impractical in annual crops due to few RKN‐resistance genes and the difficulty of introducing them into susceptible crops 6 . Also, the effectiveness of crop rotation is not always successful due to the wide host range of RKN, while chemical nematicides can have negative impacts on the local microbiota 7–9 . For these reasons, the demand for chemical‐free agricultural products has increased.…”

Section: Introductionmentioning

confidence: 99%

“…For these reasons, the demand for chemical‐free agricultural products has increased. Therefore, the use of microbial‐based products in agricultural systems to control RKNs is of great interest 3,9–12 . In addition to the possibility of promoting plant growth, biocontrol agents can also stimulate microbial interactions 13 …”

Section: Introductionmentioning

confidence: 99%

“…6 Also, the effectiveness of crop rotation is not always successful due to the wide host range of RKN, while chemical nematicides can have negative impacts on the local microbiota. [7][8][9] For these reasons, the demand for chemical-free agricultural products has increased. Therefore, the use of microbial-based products in agricultural systems to control RKNs is of great interest.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, the use of microbial-based products in agricultural systems to control RKNs is of great interest. 3,[9][10][11][12] In addition to the possibility of promoting plant growth, biocontrol agents can also stimulate microbial interactions. 13 Species of the genus Bacillus occur in diverse types of agricultural soils, associated with different plant species, in different environmental conditions and play an important role in increasing crop productivity.…”

Section: Introductionmentioning

confidence: 99%

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The combination of two Bacillus strains suppresses Meloidogyne incognita and fungal pathogens, but does not enhance plant growth

Cruz-Magalhães

Guimarães

Silva

et al. 2021

Pest Management Science

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BACKGROUND The combination of biocontrol agents is a desirable strategy to improve control efficacy against the root‐knot nematode (RKN) Meloidogyne incognita under field conditions. However, strains compatibility is generally tested in vitro and incompatible combinations are normally not further examined in experiments in planta. Therefore, there is virtually no information on the performance of incompatible strains. In this study, we evaluated two Bacillus strains previously described as incompatible in vitro for effects on plant growth and suppression of M. incognita, pathogenic fungi and nematophagous fungi. RESULTS Strains BMH and INV were shown to be closely related to Bacillus velezensis. These strains, when applied individually, reduced the number of galls and eggs of M. incognita by more than 90% in tomato roots. When BMH and INV were combined (BMH + INV), RKN suppression and tomato shoot weight were lower compared to single‐strain applications. Additionally, metabolites in cell‐free supernatants and volatile organic compounds (VOCs) from strains BMH and INV had strong effects against the plant pathogens M. incognita, Fusarium oxysporum, Rhizoctonia solani and Sclerotium rolfsiii, but not against three species of nematophagous fungi. Although strain INV and the combination BMH + INV emitted fewer VOCs than strain BMH, they were still capable of killing second‐stage juveniles of M. incognita. CONCLUSIONS Bacillus strains BMH and INV inhibited M. incognita and fungal pathogens, and promoted tomato growth. However, strain INV emitted fewer VOCs and the combination BMH + INV did not enhance the activity of the biocontrol strains against the RKN or their capacity to promote plant growth. © 2021 Society of Chemical Industry.

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Organic Nematicides: A Green Technique and Its Overview for Nematode Pest Management

Khan

Shariq

Asif

et al. 2022

Sustainability in Plant and Crop Protection

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Eco–friendly management of Meloidogyne javanica in chickpea (Cicer arietinum L.) using organic amendments and bio–control agent

Cited by 14 publications

References 23 publications

Volatile Organic Compounds from Bacillus aryabhattai MCCC 1K02966 with Multiple Modes against Meloidogyne incognita

Volatile Organic Compounds from Bacillus aryabhattai MCCC 1K02966 with Multiple Modes against Meloidogyne incognita

The combination of two Bacillus strains suppresses Meloidogyne incognita and fungal pathogens, but does not enhance plant growth

Organic Nematicides: A Green Technique and Its Overview for Nematode Pest Management

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