Root-knot nematodes:
            <i>Meloidogyne</i>
            species.

Hussey, R. S.; Janssen, G. J. W.; Starr, J. L.; Cook, R.; Bridge, J.

doi:10.1079/9780851994666.0043

Cited by 173 publications

(98 citation statements)

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“…Determination of gall index is not as laborious as determination of reproduction. Thus, breeding programs would be best served to select resistant genotypes based on root-knot index in preliminary evaluations, followed by selection based on nematode reproduction in advanced evaluations (Hussey and Janssen, 2004). It was also observed that there was a wide range of tolerance expressed among the moderately resistant and resistant cultivars.…”

Section: Discussionmentioning

confidence: 99%

Screening of field pea (Pisum sativum) selections for their reactions to root-knot nematode (Meloidogyne incognita)

Sharma

Haseeb

Abuzar

2006

J. Zhejiang Univ. - Sci. B

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and only Ambika was susceptible to M. incognita. It was observed that reproduction of nematode was favored on tolerant and susceptible cultivars but inhibited on resistant ones. Strong negative correlation was observed between the total fresh and dry plant weights and the root-knot index. The selection Pant P-42 showed highest tolerance among all the selections tested and can be recommended for field trials, whereas, selection Ambika showed highest susceptibility and should be avoided.

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Section: Discussionmentioning

confidence: 99%

Screening of field pea (Pisum sativum) selections for their reactions to root-knot nematode (Meloidogyne incognita)

Sharma

Haseeb

Abuzar

2006

J. Zhejiang Univ. - Sci. B

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“…Each root system was inspected and a root galling index was used to determine the amount of M. javanica infestation that was present in the roots. This gall evaluation was done on a scale of 0 to 5, as adapted from the technique used by Hussey and Janssen (2002), where 0 = no galls, 1 = 1 to 10 galls, 2 = 10 to 50 galls, 3 = 50 to 100 galls, 4 = >100 galls, and 5 = covered with galls.…”

Section: Effect Of Green Manure On Meloidogyne Javanicamentioning

confidence: 99%

Control Potential of Brassicaceae Cover Crops as Green Manure and their Host Status for Meloidogyne javanica and Criconemoides xenoplax

Kruger

Fourie

Malan

2015

SAJEV

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Laboratory bioassays were undertaken to determine the potential of Avena sativa cv. Pallinup (Pallinup oats), Sinapis alba cv. Braco (white mustard), Brassica napus cv. AV Jade (canola), Brassica juncea cv. Caliente 199 (Caliente) and Eruca sativa cv. Nemat (Nemat) to suppress Meloidogyne javanica (root-knot nematode) and Criconemoides xenoplax (ring nematode) when applied as green manure. The host status of the crops also was determined during glasshouse trials. Plant material of the different cover crops was macerated and mixed with nematode-inoculated soil. After a period of 14 and 28 days respectively, susceptible tomato plants were planted in the soil, where they were left to grow in a glasshouse, prior to the performance of a root gall index. The same procedure was followed for C. xenoplax, except that, in this case, the nematodes were extracted from the soil after 14 and 28 days to determine the impact of the plant biomass on nematode numbers. To determine the host status of the cover crops concerned, potted plants were inoculated with the two nematode species. Results from the bioassays showed significant suppression of M. javanica by white mustard, Caliente 199 and Nemat. However, no significant differences were found in the C. xenoplax bioassays. In the M. javanica glasshouse host trials, Nemat was classified as a poor host. In the C. xenoplax host trials, canola was found to have a suppressing effect on C. xenoplax. The results are the first to show the effect of biofumigation on C. xenoplax nematode.

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“…At fi rst, the roots of the plants were washed with tap water and drained on blotting paper. To specify the number of egg masses, roots were divided into 3-4cm parts and egg masses were stained with Floxin solution B (0.15g/l of water), bleached with lactophenol and counted under a dissecting microscope (Hussey and Janssen, 2002). For determination of the nematode population in the pot soil, a 250g subsample of well mixed soil was processed according to Jenkins (1964), known as centrifuge or sugar fl otation method.…”

Section: Evaluation Of M Javanica Activity In the Plantsmentioning

confidence: 99%

“…According to the proposed method of Hussey and Janssen (2002), activity of M. javanica was evaluated in the control and treated plants as the number of egg masses and knots per root, and fi nal population and reproduction factor per pot. At fi rst, the roots of the plants were washed with tap water and drained on blotting paper.…”

Section: Evaluation Of M Javanica Activity In the Plantsmentioning

confidence: 99%

Rhizobacteria cooperative effect againstMeloidogyne javanicain rhizosphere of legume seedlings

Tabatabaei¹,

Saeedizadeh

2017

Hellenic Plant Protection Journal

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Summary Root-knot nematodes are major pests of legume fi elds in Iran. This research evaluated the eff ect of Rhizobium leguminosarum bv. phaseoli and Pseudomonas fl uorescens CHA0 (stand alone and combination treatment) on galling and reproduction of root-knot nematode, Meloidogyne javanica, in legum (chickpea, bean, lentil, pea) seedling rhizosphere, and the growth properties of the host plants. The legumes seeds were sown in 1kg sterilized sandy loam soil. Inocula were 5 J 2 /g of soil, in the case of the nematode, while considering the bacteria 1×10 7 cfu/kg soil. A treatment of nematicide (cadusafos) was performed, as a commonly used nematicide in Iran, at 2g/kg soil. Two months after inoculation, the following parameters were recorded: the number of knots, egg masses and reproduction factor of the nematode, bacterial nodules per root, and growth properties of seedlings in the treatments (control, nematode, nematode+nematicide, and nematode+rhizobacteria). The greatest bacterial eff ect on the control of the nematode was observed in the rhizosphere of the bean treatments. Inoculation with Rhizobium in the soil decreased the galling on the legumes' roots, and the combined inoculation with Pseudomonas and Rhizobium resulted in a higher decrease of the galling.

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Root-knot nematodes: Meloidogyne species.

Abstract: The sources and genetics of root-knot nematode (genus Meloidogyne) resistance in plants are discussed. General considerations and protocols for screening for root-knot nematode resistance are also presented.

Cited by 173 publications

References 0 publications

Screening of field pea (Pisum sativum) selections for their reactions to root-knot nematode (Meloidogyne incognita)

Screening of field pea (Pisum sativum) selections for their reactions to root-knot nematode (Meloidogyne incognita)

Control Potential of Brassicaceae Cover Crops as Green Manure and their Host Status for Meloidogyne javanica and Criconemoides xenoplax

Rhizobacteria cooperative effect againstMeloidogyne javanicain rhizosphere of legume seedlings

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