نتایج جستجو برای: meloidogyne

تعداد نتایج: 3692  

Journal: :Journal of nematology 2002
Irma Tandingan De Ley Paul De Ley Andy Vierstraete Gerrit Karssen Maurice Moens Jacques Vanfleteren

Phylogenies were inferred from nearly complete small subunit (SSU) 18S rDNA sequences of 12 species of Meloidogyne and 4 outgroup taxa (Globodera pallida, Nacobbus abberans, Subanguina radicicola, and Zygotylenchus guevarai). Alignments were generated manually from a secondary structure model, and computationally using ClustalX and Treealign. Trees were constructed using distance, parsimony, an...

Journal: :Frontiers in plant science 2016
Fernando E. Díaz-Manzano Rocío Olmo Javier Cabrera Marta Barcala Carolina Escobar Carmen Fenoll

Root-knot nematodes (RKN) are polyphagous plant-parasitic roundworms that produce large crop losses, representing a relevant agricultural pest worldwide. After infection, they induce swollen root structures called galls containing giant cells (GCs) indispensable for nematode development. Among efficient control methods are biotechnology-based strategies that require a deep knowledge of underlyi...

Journal: :Journal of nematology 2015
Manuel López-Gómez Elena Flor-Peregrín Miguel Talavera Soledad Verdejo-Lucas

The host suitability of five zucchini and three cucumber genotypes to Meloidogyne incognita (MiPM26) and M. javanica (Mj05) was determined in pot experiments in a greenhouse. The number of egg masses (EM) did not differ among the genotypes of zucchini or cucumber, but the eggs/plant and reproduction factor (Rf) did slightly. M. incognita MiPM26 showed lower EM, eggs/plant, and Rf than M. javani...

2016
Jialian Xie Shaojun Li Chenmi Mo Gaofeng Wang Xueqiong Xiao Yannong Xiao

Secreted effectors in plant root-knot nematodes (RKNs, or Meloidogyne spp.) play key roles in their parasite processes. Currently identified effectors mainly focus on the early stage of the nematode parasitism. There are only a few reports describing effectors that function in the latter stage. In this study, we identified a potential RKN effector gene, Misp12, that functioned during the latter...

2013
Samuel B. Orisajo

Several species of plant parasitic nematodes have been encountered in tea soils in different tea-growing areas of the world. Roots and soil were sampled for the presence of plant-parasitic nematodes from tea plantations in Kusuku, the only major tea growing location in Nigeria. Six genera and species of plant-parasitic nematodes were recovered from the rhizosphere soil. Meloidogyne spp., Pratyl...

2017
Jae Woo Han Mira Oh Gyung Ja Choi Hun Kim

Delftia acidovorans strain HK171, isolated from tomato roots, exhibited nematicidal activity against Meloidogyne incognita Here, we present the genome sequence of D. acidovorans strain HK171, which consists of one circular chromosome of 6,430,384 bp, with 66.9% G+C content.

Journal: :Journal of nematology 1996
H J Lin M A McClure

The nematode surface coat is defined as an extracuticular component on the outermost layer of the nematode body wall, visualized only by electron microscopy. Surface coat proteins of Meloidogyne incognita race 3 infective juveniles were characterized by electrophoresis and Western blotting of extracts from radioiodine and biotin-labeled nematodes. Extraction of labeled nematodes with cetyltrime...

2013
Samuel B. Orisajo

Several species of plant parasitic nematodes have been encountered in soils of different tea-growing areas of the world. Roots and soil were sampled for the presence of plant-parasitic nematodes from tea plantations in Kusuku, the only major tea growing location in Nigeria. Six genera of plant-parasitic nematodes were recovered from the rhizosphere soil. Meloidogyne spp. Pratylenchus coffeae an...

Journal: :Journal of nematology 1980
P Goodell H Ferris

A 7-ha alfalfa field (Medicago saliva L. cv Mesa Sirsa) was sampled systematically on a 6 x 6-m grid by removing individual cores (2.54 cm diam) to a depth of 45 cm from each of the 1,936 grid intersections. The soil was mainly coarse-textured with a fine-textured streak running centrally, north to south. Nematodes were extracted by a semiautomatic elutriator and sugar flotation-sieving techniq...

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