Suppression of Meloidogyne hapla populations by Hirsutella minnesotensis

Sevilhan Mennan; Senyu Chen; Haddish Melakeberhan

doi:10.1080/09583150500258610

Suppression of Meloidogyne hapla populations by Hirsutella minnesotensis

Sevilhan Mennan, Senyu Chen, Haddish Melakeberhan

Southern Research and Outreach Center

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20 Scopus citations

Abstract

The effects of the endoparasitic fungus Hirsutella minnesotensis on populations of Meloidogyne hapla from Michigan (MI), Rhode Island (RI), Connecticut (CT), Lyndonville, New York (NYL), Geneva, New York (NYG), and Wisconsin (WI) were studied in the greenhouse. Twenty-day-old tomato (cv. Rutgers) seedlings were inoculated with either 0 or 600 eggs of each nematode population mixed with either 0, 0.02, or 0.1 g of fresh H. minnesotensis mycelium 0.1 L^-1 of soil in pots containing 0.5 L of soil, and maintained at 25±2°C for 2 months. No effect of the fungal treatments and nematode treatments on tomato plant heights and shoot dry weights was observed. While all M. hapla populations were suppressed by H. minnesotensis, the degree to which each population was affected varied slightly. Across fungal treatments and nematode populations, the fungus reduced total number of nematodes in roots by 61-98%, with the highest for NYG and RI, intermediate for NYL and CT, and lowest for MI and WI populations. The study demonstrated that H. minnesotensis may be used as a potential suppressor of M. hapla in vegetable production systems in the Great Lakes Region.

Original language	English (US)
Pages (from-to)	181-193
Number of pages	13
Journal	Biocontrol Science and Technology
Volume	16
Issue number	2
DOIs	https://doi.org/10.1080/09583150500258610
State	Published - Jan 2006

Bibliographical note

Funding Information:
We thank T. Kerchkof and R. Pereault for technical assistance, Drs G. Abawi (NY), J. A. LaMondia (CT), N. A. Mitkowski (RI), and A. E. MacGuidwin (WI) for providing the nematode populations, Dr T. Powers, University of Nebraska, for confirming the M. hapla populations by DNA analyses, and Dr G. R. Noel, University of Illinois, for reviewing an earlier version of the manuscript. The project was funded in part by a grant from USDA/CGP/MBT Program (02-51102-01948) to the last author.

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

Biological control agent
Hirsutella minnesotensis
Meloidogyne hapla
Methyl bromide alternatives
Nematophagous fungus
Root-knot nematode

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Suppression of Meloidogyne hapla populations by Hirsutella minnesotensis",

abstract = "The effects of the endoparasitic fungus Hirsutella minnesotensis on populations of Meloidogyne hapla from Michigan (MI), Rhode Island (RI), Connecticut (CT), Lyndonville, New York (NYL), Geneva, New York (NYG), and Wisconsin (WI) were studied in the greenhouse. Twenty-day-old tomato (cv. Rutgers) seedlings were inoculated with either 0 or 600 eggs of each nematode population mixed with either 0, 0.02, or 0.1 g of fresh H. minnesotensis mycelium 0.1 L-1 of soil in pots containing 0.5 L of soil, and maintained at 25±2°C for 2 months. No effect of the fungal treatments and nematode treatments on tomato plant heights and shoot dry weights was observed. While all M. hapla populations were suppressed by H. minnesotensis, the degree to which each population was affected varied slightly. Across fungal treatments and nematode populations, the fungus reduced total number of nematodes in roots by 61-98%, with the highest for NYG and RI, intermediate for NYL and CT, and lowest for MI and WI populations. The study demonstrated that H. minnesotensis may be used as a potential suppressor of M. hapla in vegetable production systems in the Great Lakes Region.",

keywords = "Biological control agent, Hirsutella minnesotensis, Meloidogyne hapla, Methyl bromide alternatives, Nematophagous fungus, Root-knot nematode",

author = "Sevilhan Mennan and Senyu Chen and Haddish Melakeberhan",

note = "Funding Information: We thank T. Kerchkof and R. Pereault for technical assistance, Drs G. Abawi (NY), J. A. LaMondia (CT), N. A. Mitkowski (RI), and A. E. MacGuidwin (WI) for providing the nematode populations, Dr T. Powers, University of Nebraska, for confirming the M. hapla populations by DNA analyses, and Dr G. R. Noel, University of Illinois, for reviewing an earlier version of the manuscript. The project was funded in part by a grant from USDA/CGP/MBT Program (02-51102-01948) to the last author. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

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N2 - The effects of the endoparasitic fungus Hirsutella minnesotensis on populations of Meloidogyne hapla from Michigan (MI), Rhode Island (RI), Connecticut (CT), Lyndonville, New York (NYL), Geneva, New York (NYG), and Wisconsin (WI) were studied in the greenhouse. Twenty-day-old tomato (cv. Rutgers) seedlings were inoculated with either 0 or 600 eggs of each nematode population mixed with either 0, 0.02, or 0.1 g of fresh H. minnesotensis mycelium 0.1 L-1 of soil in pots containing 0.5 L of soil, and maintained at 25±2°C for 2 months. No effect of the fungal treatments and nematode treatments on tomato plant heights and shoot dry weights was observed. While all M. hapla populations were suppressed by H. minnesotensis, the degree to which each population was affected varied slightly. Across fungal treatments and nematode populations, the fungus reduced total number of nematodes in roots by 61-98%, with the highest for NYG and RI, intermediate for NYL and CT, and lowest for MI and WI populations. The study demonstrated that H. minnesotensis may be used as a potential suppressor of M. hapla in vegetable production systems in the Great Lakes Region.

AB - The effects of the endoparasitic fungus Hirsutella minnesotensis on populations of Meloidogyne hapla from Michigan (MI), Rhode Island (RI), Connecticut (CT), Lyndonville, New York (NYL), Geneva, New York (NYG), and Wisconsin (WI) were studied in the greenhouse. Twenty-day-old tomato (cv. Rutgers) seedlings were inoculated with either 0 or 600 eggs of each nematode population mixed with either 0, 0.02, or 0.1 g of fresh H. minnesotensis mycelium 0.1 L-1 of soil in pots containing 0.5 L of soil, and maintained at 25±2°C for 2 months. No effect of the fungal treatments and nematode treatments on tomato plant heights and shoot dry weights was observed. While all M. hapla populations were suppressed by H. minnesotensis, the degree to which each population was affected varied slightly. Across fungal treatments and nematode populations, the fungus reduced total number of nematodes in roots by 61-98%, with the highest for NYG and RI, intermediate for NYL and CT, and lowest for MI and WI populations. The study demonstrated that H. minnesotensis may be used as a potential suppressor of M. hapla in vegetable production systems in the Great Lakes Region.

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KW - Methyl bromide alternatives

KW - Nematophagous fungus

KW - Root-knot nematode

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JF - Biocontrol Science and Technology

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ER -

Suppression of Meloidogyne hapla populations by Hirsutella minnesotensis

Abstract

Bibliographical note

Keywords

UN SDGs

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