Biology of Plant-Parasitic Nematodes

Ferris, J. M.; Ferris, V. R.

doi:10.2134/agronmonogr36.c2

Cited by 34 publications

(54 citation statements)

References 20 publications

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“…(painted tongue), Capsicum annuum (chili pepper), and Jaltomata procumbens (creeping false holly) [ 19 , 20 ]. For a more complete list of PCN hosts, see [ 21 , 22 , 23 , 24 ].…”

Section: Hostsmentioning

confidence: 99%

Taxonomy, Morphological and Molecular Identification of the Potato Cyst Nematodes, Globodera pallida and G. rostochiensis

Wainer

Dinh

2021

Plants

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The scope of this paper is limited to the taxonomy, detection, and reliable morphological and molecular identification of the potato cyst nematodes (PCN) Globodera pallida and G. rostochiensis. It describes the nomenclature, hosts, life cycle, pathotypes, and symptoms of the two species. It also provides detailed instructions for soil sampling and extraction of cysts from soil. The primary focus of the paper is the presentation of accurate and effective methods to identify the two principal PCN species.

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“…(painted tongue), Capsicum annuum (chili pepper), and Jaltomata procumbens (creeping false holly) [ 19 , 20 ]. For a more complete list of PCN hosts, see [ 21 , 22 , 23 , 24 ].…”

Section: Hostsmentioning

confidence: 99%

Taxonomy, Morphological and Molecular Identification of the Potato Cyst Nematodes, Globodera pallida and G. rostochiensis

Wainer

Dinh

2021

Plants

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“…Uninoculated control plants appeared healthy, and the root system was white and filled the pot. On average, 40 nematodes were extracted from each pot using the decanting–sieving method ( Ferris, 2019 ), indicating a reproduction factor (RF) of 1.43. It has been observed that pathogenicity studies involving sting nematode can yield low RF due to the significant damage they are capable of causing to the host (W. T. Crow, pers.…”

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confidence: 99%

First Report of Belonolaimus longicaudatus Infecting Soybean in Indiana

Bonkowski

Crow

Habteweld

2022

Journal of Nematology

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Soybeans (Glycine max) are an important crop for Indiana, playing a major role in the state’s economy. In June 2021, symptomatic soybean plants were submitted to Purdue University’s Plant and Pest Diagnostic Laboratory for diagnosis. Sting nematodes were observed on the surface of the washed roots using stereo- and brightfield compound microscopy. A total of 76 sting nematodes per 100 cm3 soil were recovered from a composite soil sample. Morphological features and measurements of adult females and males of the sting nematode population were similar to those described for Belonolaimus longicaudatus. Molecular analysis confirmed the morphological identification using D2-D3 expansion segment of the 28S large subunit ribosomal DNA and internal transcribed spacer (ITS) regions. The consensus sequences were submitted to the National Center for Biotechnology Information (NCBI) database with accession numbers OM632679 and OM632681 for the D2-D3 and ITS regions, respectively. Parasitism of the sting nematode population to soybean plants was confirmed as its average population increased from 27 to 40 nematodes per pot 4 wk after inoculation under greenhouse conditions. To the best of our knowledge, this represents the first report of the sting nematode B. longicaudatus in Indiana.

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“…Only about a dozen nematicidal active ingredients have ever achieved registration in California, and several of the most effective of these lost their registrations owing to groundwater contamination, air pollution, or carcinogenicity ( Ferris, 2021 ). The loss of use of the nematicide dibromochloropropane (DBCP) in 1977, that had been widely used post-plant on bearing fruit and nut tree crops in California, created a tremendous need for replacement products ( United States Environmental Protection Agency, 2014 ).…”

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confidence: 99%

Bionematicides as an alternative to methyl bromide fumigation

Westerdahl

Hasey²,

Grant³

et al. 2021

Journal of Nematology

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Fumigant use in perennial crops can be reduced through prolonging the life of existing orchards. The longer an orchard remains healthy and productive, the less often it will be terminated, fumigated, and replanted. Two trials were conducted to determine the effectiveness of DiTera, a toxin produced by the fungus ( Myrothecium verrucaria) and Nema-Q, an extract of the soap bark tree ( Quillaja saponaria ) for management of root-lesion ( Pratylenchus vulnus ) and ring ( Mesocriconema xenopla) nematodes on walnuts. In the first trial, spring and fall treatments of DiTera were applied each year for four years to variety ‘Chandler’ scion on seedling ‘Paradox’ rootstock, and to own-rooted ‘Chandler’ trees. On ‘Paradox’ rootstock, both DiTera and Nema-Q increased walnut yields ( P ≤ 0.05) and produced more vigorous trees ( P ≤ 0.05) without significant reductions in nematode populations ( P ≤ 0.05). A second trial was conducted with three rates of DiTera and four rates of Nema-Q, combinations of the two products, and an untreated control on ‘Chandler’ scion on ‘Paradox’ rootstock. The highest rate of Nema-Q ( P ≤ 0.05), and a combination treatment of DiTera plus Nema-Q ( P ≤ 0.05) increased trunk circumference. Several treatments showed reductions in root-lesion and ring nematodes ( P ≤ 0.05). Bionematicides can improve yield, growth, and vigor in walnut orchards infested with plant-parasitic nematodes.

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Biology of Plant-Parasitic Nematodes

Cited by 34 publications

References 20 publications

Taxonomy, Morphological and Molecular Identification of the Potato Cyst Nematodes, Globodera pallida and G. rostochiensis

Taxonomy, Morphological and Molecular Identification of the Potato Cyst Nematodes, Globodera pallida and G. rostochiensis

First Report of Belonolaimus longicaudatus Infecting Soybean in Indiana

Bionematicides as an alternative to methyl bromide fumigation

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