Biological Control of Plant Parasitic Nematodes

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 5488

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Department of Science of Crop Production, Laboratory of Agricultural Zoology and Entomology, Agricultural University of Athens, 11855 Athens, Greece
Interests: nematology; plant extracts; crop protection; chemical control; biological control
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Guest Editor
Nematology Lab, Institute of Olive Tree, Subtropical Crops and Viticulture, Department of Viticulture, Vegetable Crops, Floriculture and Plant Protection, NAGREF, Hellenic Agricultural Organization - DEMETER, Kastorias street 32A, Mesa Katsabas, 71307 Heraklion, Greece
Interests: nematodes taxonomy; biological control; chemical control; nematodes management;nematodes biology

Special Issue Information

Dear Colleagues,

Plant-parasitic nematodes (PPNs) cause tremendous crop damages and significant economic losses in cultivated plants all over the world. Over the past 50 years, the control of PPNs has been based primarily on the use of synthetically produced chemicals. Although chemicals were very effective, providing rapid kill of nematodes, many of those chemicals were removed from the market due to the increasing concern about environmental contamination and human risks. Additionally, the increasing adverse effects to the environment arisen from the use of chemicals have forced scientists to search for and test other means of nematodes management, such as biocontrol agents. Several attempts have been made to use antagonistic or nematophagous fungi and nematode parasitic or rhizosphere bacteria. The extensive research on biocontrol agents has resulted in the market release of some very promising bionematicides. The objective of this Special Issue is to include, in a volume, the current knowledge of the extensive research done on the use of biocontrol agents against plant-parasitic nematodes.

Dr. Ioannis Giannakou
Dr. Emmanuel Tzortzakakis
Guest Editors

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Keywords

  • plant-parasitic nematodes
  • bacteria
  • fungi
  • nematode management
  • biocontrol agents

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Published Papers (1 paper)

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Research

15 pages, 686 KiB  
Article
Effect of Individual, Simultaneous and Sequential Inoculation of Pseudomonas fluorescens and Meloidogyne incognita on Growth, Biochemical, Enzymatic and Nonenzymatic Antioxidants of Tomato (Solanum lycopersicum L.)
by Ahmed Noureldeen, Mohd Asif, Taruba Ansari, Faryad Khan, Mohammad Shariq, Faheem Ahmad, Manar Fawzi Bani Mfarrej, Amir Khan, Moh Tariq, Mansoor Ahmad Siddiqui, Amal Al-Barty and Hadeer Darwish
Plants 2021, 10(6), 1145; https://doi.org/10.3390/plants10061145 - 4 Jun 2021
Cited by 13 | Viewed by 4411
Abstract
This study was conducted on tomato (Solanum lycopersicum cv. K-21) to investigate the bioprotective nature of Pseudomonas fluorescens and its interactive effects with Meloidogyne incognita in terms of growth biomarkers, changes in biochemical attributes and modulation in antioxidant enzymes of the tomato [...] Read more.
This study was conducted on tomato (Solanum lycopersicum cv. K-21) to investigate the bioprotective nature of Pseudomonas fluorescens and its interactive effects with Meloidogyne incognita in terms of growth biomarkers, changes in biochemical attributes and modulation in antioxidant enzymes of the tomato plant. In this study, we grew tomato plants with M. incognita and P. fluorescens in separate pots, simultaneously and sequentially (15 days prior or post) after 15 days of seed sowing. The sequential inoculation of Mi15→Pf maximally increased the root-knot index and decreased the nematode population. It was also noted that inoculation suppressed the plant growth biomarkers in comparison to control. However, maximum suppression in nematode reproduction and increment in growth and physiological attributes were observed when P. fluorescens was applied 15 days prior to the nematode (Pf15→Mi) as compared to control. All the treatments showed an increase in antioxidant enzymes. Expression of phenol content and defensive enzymes such as peroxidase (POX) and superoxide dismutase (SOD) increased, in contrast to a significant reduction in malondialdehyde (MDA) and hydrogen peroxide (H2O2) contents when compared with the untreated inoculated plants. However, the highest levels of POX and SOD, and a lowest of phenol, MDA and H2O2 were displayed in the treatment Pf15→Mi, followed by Mi+Pf and Mi15→Pf. Full article
(This article belongs to the Special Issue Biological Control of Plant Parasitic Nematodes)
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