Liquid bioformulations for the management of root-knot nematode, Meloidogyne hapla that infects carrot

Nagachandrabose, Seenivasan

doi:10.1016/j.cropro.2018.08.022

Cited by 22 publications

(9 citation statements)

References 23 publications

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“…Biopesticides formulated from bacteria, viruses, and filamentous fungi could also destroy plant-parasitic nematodes. In line with this, Nagachandrabos [125] reported that Pseudomonas fluorescens, P. lilacinus, and T. viride liquid formulations can be reduced the M. hapla juvenile (J2) population in the soil. It reduced the infection of the female population to roots, and egg numbers per gram of host plant roots at various field conditions.…”

Section: Biologicalmentioning

confidence: 61%

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Biology, Taxonomy, and Management of the Root-Knot Nematode (Meloidogyne incognita) in Sweet Potato

Wendimu

2021

Advances in Agriculture

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Sweet potato is the seventh-ranked food crop produced after wheat, rice, maize, potato, barley, and cassava in the world. It is the most important root tuber crop in temperate, subtropical, and tropical areas of the world. It is grown for food, income-generating, and jobs for farmers and retailers. The important nutritional substances of sweet potatoes are ß-carotene and anthocyanins. However, the production and its valuable products are limited due to root-knot nematode parasitism. One of the most important destructive species of root-knot nematode to this crop is Meloidogyne incognita. The most destructive stage to sweet potato is at its second juvenile stage (J2). At this stage, it invades the roots and tubers of sweet potato highly in warm sandy soil conditions. It is an obligate plant-parasitic nematode. M. incognita caused significant yield loss to sweet potato in terms of quality, quantity, disturbing the process of photosynthesis and nutrient uptake through the formation of galling, establishing of its feeding sites, or induced galls that contain giant-feeding cells, and cracking of tubers and roots directly. It also reduces the market values of the infected tuber of sweet potato by downgrading the production values. The problem of quality and quantity losses to sweet potato by this pest is one of the major problems nowadays. It caused this problem alone or interaction with other plant-parasitic pathogens or through synergistic of fungi, bacteria, viruses, and others. Therefore, this review paper is focused on the sweet potato M. incognita biology, taxonomy, geographical distribution, and management measures.

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Section: Biologicalmentioning

confidence: 61%

“…Biopesticides can be formulated with bacteria, viruses, or filamentous fungi, which can destroy and feed on plant-parasitic nematodes. Nagachandrabos [125] reported that P. fluorescens, P. lilacinus, and T. viride liquid formulations might be good in reducing the J2 in the soil, root infection of females, and egg numbers.…”

Section: Botanical Bharadwaj and Sharmamentioning

confidence: 99%

Biology, Taxonomy, and Management of the Root-Knot Nematode (Meloidogyne incognita) in Sweet Potato

Wendimu

2021

Advances in Agriculture

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“…have a negative impact on tomato production [44], with yield losses of 30 to 40% in tropical areas [44,9]. M. hapla causes a 24-55 percent quantitative loss and a 13-77 percent qualitative loss in carrots when it infects the roots [33]. Not only can nematodes reduce agricultural output, but they also make the plant more prone to bacterial and fungal illnesses [51].…”

Section: Economic Importance Of Root Knot Nematodesmentioning

confidence: 99%

Knowledge of Ethiopian Farmers Towards Root Knot Nematodes (RKNs) and the Impact of the Disease in Vegetable Production

Feyisa¹

2022

FEM

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Root-knot nematodes (Meloidogyne spp.) are one of the most common vegetable diseases. In warm moist sandy soil, they are the most problematic and damaging. With about 5500 plant hosts, it is an economically important obligatory plant parasite. They have a significant impact on important crops around the world, such as vegetables, fruits, and cereal harvests. In most cases, nematode damage to crops is not easily visible, and it is often obscured by the many other factors that limit plant growth. Much of the harm produced by nematodes remains unnoticed or is mistaken for other reasons such fungal infection, water stress, or other physiological diseases, and by the time the disease is discovered, the damage to crops has already been done. A key hindrance to the preservation of vegetable crops is a lack of understanding among farmers about the challenges created by root knot nematodes, as well as ineffective management measures to tackle the threat. Except for a few investors, almost all Ethiopian farmers are unaware of the relevance of plant parasitic nematodes (PPNs). Plant parasitic nematodes not only have a direct impact on agricultural crops, but they also have an indirect impact by exposing the host plant to secondary infection and causing disease complexity in the affected plants. As a result, when compared to other infections, root knot nematode control is extremely challenging. As a result, farmers should receive training and awareness of PPN signs and assaults from the relevant body.

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“…root-knot nematode in the tomato plants. Nagachandrabose (2018) also reported that the liquid formula composed of molasses mixture and antagonistic bacteria effectively controlled root-knot nematodes in carrot plants. In this study, we formulated endophytic bacteria and rhizobacteria that were previously isolated, identified, and characterized using liquid carrying material fortified with the organic materials.…”

Section: Introductionmentioning

confidence: 95%

Cost-effective bacteria-based bionematicide formula to control the root-knot nematode Meloidogyne spp. on tomato plants

et al. 2021

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Abstract. Asyiah IN, Prihatin J, Hastuti AD, Winarso S, Widjayanthi L, Nugroho D, Firmansyah K, Pradana AP. 2021. Cost-effective bacteria-based bionematicide formula to control root-knot nematode Meloidogyne spp. in tomato plants. Biodiversitas 22: 3256-3264. The root-knot nematode, Meloidogyne spp. can infect and cause loss production in various horticultural plants, including tomatoes. In the previous study, we found 3 endophytic bacteria isolates and 1 rhizobacterium isolate that could control several plant-parasitic nematodes. In this study, we formulated these bionematicide isolates with cheap and environmentally friendly organic materials. The formula was fortified using several organic matters, vitamin sources, protein sources, and sugar sources. The research was conducted in an experimental land with a history of severe root-knot nematode infection. The analysis showed that there were 63.7 J2 Meloidogyne spp. per 100 ml of soil on the experimental land. The application was given at a time interval of 2 weeks at the concentration of 0.5%, 1%, 1.5%, and 2%, with a dose of 100 ml per plant. As a negative control, the plant did not give any treatments, and as a positive control, the plant was given 5 g carbofuran per plant. The results revealed that treatment with 2% bionematicide formula concentration showed the best consistent result. This treatment increased canopy wet weight by 38.63% and root dry weight by 106.97% compared to negative control. The P4 treatment was also found effective to increase fruit weight by 33.61% and fruit diameter by 26.16% as compared to negative control. Increased plant growth in P4 treatment was closely related to the total of root-knot suppression and root damage intensity. In the P4 treatment, the total of root-knots and root damage intensities was 44.83% and 32.66%, respectively, compared to the negative control. This suppression also occurred in the nematode population and nematode eggs. In the P4 treatment, the total of Meloidogyne spp. J2 in soil and root was lower by 60.74% and 66.24%, respectively, compared to the negative control. A similar phenomenon also occurred in the total of eggs, which was 79.40% lower than the total of eggs in the negative control. This study provides the latest information about a cost-effective bacteria-based bionematicide formula, which is effective in suppressing Meloidogyne spp. infection in tomato, and promotes the growth and development tomato plant.

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Liquid bioformulations for the management of root-knot nematode, Meloidogyne hapla that infects carrot

Cited by 22 publications

References 23 publications

Biology, Taxonomy, and Management of the Root-Knot Nematode (Meloidogyne incognita) in Sweet Potato

Biology, Taxonomy, and Management of the Root-Knot Nematode (Meloidogyne incognita) in Sweet Potato

Knowledge of Ethiopian Farmers Towards Root Knot Nematodes (RKNs) and the Impact of the Disease in Vegetable Production

Cost-effective bacteria-based bionematicide formula to control the root-knot nematode Meloidogyne spp. on tomato plants

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