Academic literature on the topic 'Gracilacus'

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Journal articles on the topic "Gracilacus"

1

Čermák, V., and M. Renčo. "The family Paratylenchidae Thorne, 1949 in the rhizosphere of grass and woody species in Europe: a review of the literature." Helminthologia 47, no. 3 (2010): 139–46. http://dx.doi.org/10.2478/s11687-010-0021-z.

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Abstract The family Paratylenchidae (Paratylenchus, Gracilacus) belonging to the suborder Criconematina Siddiqi, 1980 including several others families: Criconematidae Taylor, 1936, Hemicycliophoridae Skarbilovich, 1959, Shaeronematidae Raski & Sher, 1952 and Tylenchulidae Skarbilovich, 1947. Members of these families are parasites of higher plants with a higher abundance in perennial cultural plants. Generally we can consider members of the suborder Criconematina as numerous, adaptable, more or less specialized plant parasitic nematodes occurring worldwide. The main common features of spe
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2

Yadom Yao Francois Regis, Kouakou, Kra Kouame Daniel, and Atta Diallo Hortense. "DISTRIBUTION AND DYNAMICS OF NEMATODE POPULATIONS ASSOCIATED WITH CASSAVA (MANIHOTESCULENTA CRANTZ) CULTIVATION IN TWO MAIN PRODUCTION AREAS IN COTE DIVOIRE." International Journal of Advanced Research 8, no. 11 (2020): 226–38. http://dx.doi.org/10.21474/ijar01/12001.

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Plant parasitic nematodes associated with cassava cultivation in Cote dIvoire have received very little public attention. This study aimsat updating information on nematodes associated with cassava. Surveys were carried out in cassava fieldsin five localities spread over two agroecological zones so as to collect cassava soil and root samples. The nematodes were extracted, identified, quantified and their distributionmapped. Sixteen nematode genera were extracted from cultivation soils, six of which includingGracilacus, Helicotylenchus, Meloidogyne, Pratylenchus, Radopholus and Tylenchulus were
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3

Akyazi, F., A. F. Felek, V. Čermák, et al. "Description of Paratylenchus (Gracilacus) straeleni (De Coninck, 1931) Oostenbrink, 1960 (Nematoda: Criconematoidea, Tylenchulidae) from hazelnut in Turkey and its comparison with other world populations." Helminthologia 52, no. 3 (2015): 270–79. http://dx.doi.org/10.1515/helmin-2015-0042.

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Abstract Paratylenchus (Gracilacus) straeleni (De Coninck, 1931) Oostenbrink, 1960 was detected for the first time in Turkey. Our studied population was found in the rhizosphere soil of hazelnut orchards in Ordu. Females and males were studied morphologically and morphometrically by light microscopy and molecularly by sequencing the D2-D3 of the 28S rDNA gene. We present here the morphological and molecular characterisation, phylogenetic analysis of examined population and comparison of variability of worldwide known populations of P. straeleni.
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4

Mokaram Hesar, Abas, Akbar Karegar, and Reza Ghaderi. "Phylogenetic relationships of Cacopaurus pestis Thorne, 1943 within representatives of the Tylenchulidae Skarbilovich, 1947 as inferred from ITS and D2-D3 expansion segments of 28S-rRNA sequences." Nematology 21, no. 9 (2019): 971–94. http://dx.doi.org/10.1163/15685411-00003269.

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Summary The Persian sessile nematode (Cacopaurus pestis) and pin nematodes (Paratylenchus spp.) are sedentary ectoparasitic nematodes associated with many plant species worldwide. In this study, we provide morphological and molecular characterisation of seven populations of C. pestis and eight species of Paratylenchus recovered from north-western Iran. A total of 26 new sequences of D2-D3 expansion segments of 28S rRNA and ITS rRNA were obtained and used to reconstruct phylogenetic trees. Results of phylogenetic analyses revealed that the subfamilies of Tylenchulidae form well-separated clades
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5

Maria, Munawar, Ruihang Cai, Weimin Ye, Thomas O. Powers, and Jingwu Zheng. "Description of Gracilacus paralatescens n. sp. (Nematoda:Paratylenchinae) found from the rhizosphere of Bamboo in Zhejiang, China." Journal of Nematology 50, no. 4 (2018): 611–22. http://dx.doi.org/10.21307/jofnem-2018-041.

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6

YU, QING, WEIMIN YE, and TOM POWERS. "Morphological and Molecular Characterization of Gracilacus wuae n. sp. (Nematoda: Criconematoidea) Associated with Cow Parsnip (Heracleum maximum) in Ontario, Canada." Journal of Nematology 48, no. 3 (2016): 203–13. http://dx.doi.org/10.21307/jofnem-2017-028.

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7

Brzeski, M. W. "Paratylenchinae: Morphology of Some Known Species and Descriptions of Gracilacus Bilineata Sp. N. and G. Vera Sp. N. (Nematoda: Tylenchulidae)." Nematologica 41, no. 1-4 (1995): 535–65. http://dx.doi.org/10.1163/003925995x00495.

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8

Achor, Dianne, Larry Duncan, Renato Inserra, and Alberto Troccoli. "Ultrastructure of the attachment and feeding sites of Gracilacus latescens Raski, 1976 in timber bamboo roots and selected anatomical details of the female stylet." Nematology 5, no. 2 (2003): 307–12. http://dx.doi.org/10.1163/156854103767139770.

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AbstractMature female Gracilacus latescens are sedentary and remain attached by the stylet to the surface of timber bamboo roots (Phyllostachys bambusoides) for their entire life. Observations by transmission electron microscopy (TEM) of the anatomy of the anterior portion of the female body showed the stylet shaft surrounded by a thick stomatal wall sensu Endo (1983) and by large protractor muscles. Cross sections of the root at the site of nematode attachment showed accumulation of electron-opaque material between the nematode body and the epidermal wall penetrated by the stylet. Electron-de
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9

Geraert, E., and R. Pena Santiago. "New Data On Aorolaimus Perscitus (Doucet, 1980) and Gracilacus Teres Raski, 1976 (Nematoda: Tylenchida) Associated With Olive (Olea Europea L.) in the Province of Jaén, Spain." Nematologica 36, no. 1-4 (1990): 408–16. http://dx.doi.org/10.1163/002925990x00365.

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10

Shevchenko, V. L., та T. M. Zhylina. "ФІТОПАРАЗИТИЧНІ НЕМАТОДИ ПРИРОДНИХ ЕКОСИСТЕМ ЛІВОБЕРЕЖНОГО ПОЛІССЯ (У МЕЖАХ ЧЕРНІГІВСЬКОЇ ОБЛАСТІ)". Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 79, № 1-2 (2020): 42–47. http://dx.doi.org/10.25128/2078-2357.20.1-2.5.

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The species composition, frequency of occurrence, and the abundance of phytohelminths in communities of soil nematodes in natural ecosystems of the Left-Bank Polissia (Chernihiv region) were studied. Samples were collected throughout 2011-2016 in forest and meadow ecosystems on the territory of Chernihivskyi, Horodnianskyi, Kozeletskyi, Koropskyi, Menskyi, Ripkynskyi, Sosnytskyi, Semenivskyi, Shchorskyi and Novhorod-Siverskyi districts.
 Nematodes were extracted by a modified Baermann’s method from the 20-g sample. The exposition time was 48 h. Extracted nematodes were fixed in the trieth
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