scholarly journals Biocontrol of Plant Parasitic Nematodes by Fungi: Efficacy and Control Strategies

2015 ◽  
pp. 219-247 ◽  
Author(s):  
Mohd. Sayeed Akhtar ◽  
Jitendra Panwar ◽  
Siti Nor Akmar Abdullah ◽  
Yasmeen Siddiqui ◽  
Mallappa Kumara Swamy ◽  
...  
Keyword(s):  
Control Strategies ◽  
Parasitic Nematodes ◽  
Plant Parasitic Nematodes ◽  
And Control ◽  
Plant Parasitic

scholarly journals Marine Organisms for the Sustainable Management of Plant Parasitic Nematodes

Plants ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 369
Author(s):  
Pasqua Veronico ◽  
Maria Teresa Melillo
Keyword(s):  
Crop Production ◽  
Control Strategies ◽  
Marine Organisms ◽  
New Drugs ◽  
Effective Control ◽  
Parasitic Nematodes ◽  
Plant Parasitic Nematodes ◽  
Wide Range ◽  
Plant Growth Stimulants ◽  
Plant Parasitic

Plant parasitic nematodes are annually responsible for the loss of 10%–25% of worldwide crop production, most of which is attributable to root-knot nematodes (RKNs) that infest a wide range of agricultural crops throughout the world. Current nematode control tools are not enough to ensure the effective management of these parasites, mainly due to the severe restrictions imposed on the use of chemical pesticides. Therefore, it is important to discover new potential nematicidal sources that are suitable for the development of additional safe and effective control strategies. In the last few decades, there has been an explosion of information about the use of seaweeds as plant growth stimulants and potential nematicides. Novel bioactive compounds have been isolated from marine cyanobacteria and sponges in an effort to find their application outside marine ecosystems and in the discovery of new drugs. Their potential as antihelmintics could also be exploited to find applicability against plant parasitic nematodes. The present review focuses on the activity of marine organisms on RKNs and their potential application as safe nematicidal agents.

scholarly journals Nematode Population Dynamics after Applications of Plant Extracts and Trichoderma Species as Soil Amendments in Tomato Field

2020 ◽  
Vol 9 (1) ◽  
pp. 43-49
Author(s):  
Timothy I. Olabiyi ◽  
Samuel O. Akinrinola ◽  
Olajumoke E. Ayanda
Keyword(s):  
Plant Extracts ◽  
Azadirachta Indica ◽  
Nematode Population ◽  
Growth And Yield ◽  
Parasitic Nematodes ◽  
Plant Parasitic Nematodes ◽  
Trichoderma Species ◽  
Tomato Field ◽  
And Control ◽  
Plant Parasitic

Three different plant extracts (Khaya ivorensis, Azadirachta indica and Daniella oleifera) and two Trichoderma species (T. harzianum and T. atroviride), singly and in combination, were assessed on nematode population changes and also in the control of plant parasitic nematodes on tomato under field condition during 2018 and 2019 planting seasons. During each trial, plant parasitic nematodes encountered in the field were Meloidogyne, Pratylenchus, Xiphinema and Helicotylenchus species. The experiment was a randomized complete block design with 4 x 3 factorial scheme and five replications. Factor A being plant extracts (Khaya ivorensis, Azadirachta indica, Daniella oleifera) and control, and factor B being bio-control agents (Trichoderma harzianum, T. atroviride) and control, resulting in 12 treatments. Significant reductions were observed on the population of the plant parasitic nematodes at all treatment levels with neem plant extract, in combination with either T. harzianum or T. atroviride resulted in the greatest significant decrease. Applications of different plant extracts and Trichoderma species, singly and in combination, enhanced the growth and yield of tomato infected with parasitic nematodes.

Plant-parasitic nematodes in some economically important crops in Myanmar – species, possible damage and control measures

Nematology ◽  
2018 ◽  
Vol 20 (1) ◽  
pp. 1-13 ◽  
Author(s):  
Yu Yu Min ◽  
Koki Toyota
Keyword(s):  
Control Measures ◽  
Parasitic Nematodes ◽  
Yield Losses ◽  
Plant Parasitic Nematodes ◽  
Cropping Patterns ◽  
Oilseed Crops ◽  
Potential Impact ◽  
Collective Information ◽  
And Control ◽  
Plant Parasitic

Rice, pulses and oilseed crops are major exporting crops in Myanmar. Many plant-parasitic nematodes, such asMeloidogyne incognita,M. javanica,M. graminicola,Ditylenchus angustus,Hirschmanniella oryzae,Heterodera cajaniandPratylenchusspp., have been detected in these crops in different cropping patterns and are considered one of the reasons for their low yields. Previous surveys have shown potential impact to yield losses in the crops. This Forum article provides collective information on species of the major plant-parasitic nematodes, possible damage and available control measures to such economically important crops in Myanmar.

scholarly journals ROOT-KNOT AND LESION NEMATODES IN COFFEE SEEDLINGS PRODUCED IN THE STATE OF MINAS GERAIS, BRAZIL

2018 ◽  
Vol 13 (2) ◽  
pp. 178 ◽  
Author(s):  
Willian César Terra ◽  
Júlio Carlos Pereira da Silva ◽  
Vicente Paulo Campos ◽  
Sônia Maria De Lima Salgado
Keyword(s):  
Coffea Arabica ◽  
Control Strategies ◽  
Minas Gerais ◽  
Parasitic Nematodes ◽  
Plant Parasitic Nematodes ◽  
Rotylenchulus Reniformis ◽  
Lesion Nematodes ◽  
Minas Gerais State ◽  
Root Lesion Nematodes ◽  
Plant Parasitic

<p>Understanding the mechanisms of plant-parasitic nematodes (PPN) dispersion is vital to improve control strategies aiming to restrict dissemination of these plant parasites. In the present work, we evaluated the presence of PPN in Arabic coffee (<em>Coffea arabica</em>) seedlings produced in commercial nurseries in Minas Gerais, state, Brazil. A total of 2830 samples obtained from 318 coffee nurseries, in 84 counties within the South and Zona da Mata regions in Minas Gerais, Brazil and representing more than 62 million coffee seedlings, were analyzed. <em>Meloidogyne</em> spp. was identified in 11 samples from four counties. <em>Pratylenchus spp</em>. and <em>Rotylenchulus reniformis</em> were detected in 281 and 47 samples, respectively. According to the Regulatory Instruction N° 35 from the Ministry of Agriculture, Livestock and Food Supply (MAPA), in Brazil, coffee seedlings infected by <em>Meloidogyne</em> spp. are prohibited for commercialization and/or planting. However, such restrictions do not apply to other PPN. Therefore, seedlings sold in Minas Gerais may constitute sources of dissemination for root-lesion nematodes (<em>Pratylenchus</em> spp.) and the reniform nematode (<em>R. reniformis</em>).</p>

scholarly journals Translational biology of nematode effectors. Or, to put it another way, functional analysis of effectors – what’s the point?

Nematology ◽  
2017 ◽  
Vol 19 (3) ◽  
pp. 251-261 ◽  
Author(s):  
Sophie Mantelin ◽  
Peter Thorpe ◽  
John T. Jones
Keyword(s):  
Functional Analysis ◽  
Control Strategies ◽  
Parasitic Nematodes ◽  
Plant Parasitic Nematodes ◽  
Huge Amount ◽  
Short Article ◽  
Plant Parasitic

There has been a huge amount of work put into identifying and characterising effectors from plant-parasitic nematodes in recent years. Although this work has provided insights into the mechanisms by which nematodes can infect plants, the potential translational outputs of much of this research are not always clear. This short article will summarise how developments in effector biology have allowed, or will allow, new control strategies to be developed, drawing on examples from nematology and from other pathosystems.

Differential chemotactic responses of two plant-parasitic nematodes, Meloidogyne incognita and Rotylenchulus reniformis, to some inorganic ions

Nematology ◽  
2002 ◽  
Vol 4 (1) ◽  
pp. 99-105 ◽  
Author(s):  
Patrick Quénéhervé ◽  
Ronan Le Saux
Keyword(s):  
Meloidogyne Incognita ◽  
Control Strategies ◽  
Inorganic Ions ◽  
Nematode Species ◽  
Ammonium Salts ◽  
Parasitic Nematodes ◽  
Plant Parasitic Nematodes ◽  
Rotylenchulus Reniformis ◽  
Chloride Salts ◽  
Plant Parasitic

AbstractThe orientation of juveniles of Meloidogyne incognita and Rotylenchulus reniformis was studied in salt gradients created in a linear agarose gel. Twelve combinations of calcium, potassium, sodium or ammonium cations and chloride, nitrate or sulphate anions were tested. The orientation of juveniles of M. incognita was induced by the constitutive cation of the salt, e.g., calcium salts had no effect while the other salts and especially ammonium salts and ammonium nitrate were strongly repellent. In contrast, the orientation of juveniles of R. reniformis was induced by the constitutive anion of the salt, e.g., chloride salts were found to be repellent while sulphate and nitrate salts were attractive. These results are discussed as possible novel control strategies for economically important plant parasitic nematodes. In other respects, these differences in chemical preferences may partly explain the observed geographical distribution of these nematode species according to the ionic content of the soils.

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