Impact of Humic acid and organic amendments on <i>Meloidogyne incognita in vitro</i> condition

Mohanapriya, R.; Jothi, G.; Poornima, K.; Swarnakumari, N.; Renukadevi, P.

doi:10.5958/0974-0163.2019.00027.2

Ann. of Plan. Prote. Scien.

2019

DOI: 10.5958/0974-0163.2019.00027.2

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Impact of Humic acid and organic amendments on Meloidogyne incognita in vitro condition

R. Mohanapriya¹,

G. Jothi²,

K. Poornima³

et al.

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2021

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Humic acid – a potential bioresource for nematode control

Nagachandrabose

Baidoo²

2021

Nematol.

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Summary There is a growing interest in the use of natural products for crop production and protection. Humic acid is a well-known bioresource that intensifies soil functions and improves crop productivity. This review article provides a synopsis of the humic acid-plant-nematode association and the prospects for using humic acid as an alternative to chemical control of nematodes. Humic acid is known to have toxic and antagonistic effects against many plant-parasitic nematodes, including Meloidogyne spp., Rotylenchulus reniformis, Radopholus similis and Helicotylenchus multicinctus. The required dose for getting significant nematode control ranges from 0.04 to 2.0% concentration. Delivery methods like soil application or drenching, seedling root dip treatment and foliar spray on leaves are effective for nematode control. Humic acid controls plant-parasitic nematodes through various mechanisms including killing juveniles, inhibiting hatching, reducing nematode infectivity and reproduction, and inducing systemic resistance. Humic acid is compatible with bio-inoculants such as Azospirillum spp., phosphobacterium, Bacillus megaterium, Pseudomonas fluorescens, Trichoderma viride, Glomus spp., Pochonia chlamydosporia, Purpureocillium lilacinum and T. asperellum. These attributes of humic acid show a promising potential for use in nematode control. However, further work on bio-efficacy against a broad spectrum of plant-parasitic nematodes is needed.

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Humic acid – a potential bioresource for nematode control

Nagachandrabose

Baidoo²

2021

Nematol.

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Impact of Humic acid and organic amendments on Meloidogyne incognita in vitro condition

Cited by 1 publication

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Humic acid – a potential bioresource for nematode control

Humic acid – a potential bioresource for nematode control

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