Results 71 to 80 of about 225 (128)
Morphometric variability between populations of Xiphinema diversicaudatum (Nematoda : Dorylaimoidea)
, 1985 Brown, D.J.F., Topham, P.B.
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The persistence and spread of Xiphinema diversicaudatum in cultivated and uncultivated biotopes
Annals of Applied Biology, 1994SummaryThe distribution of Xiphinema diversicaudatum in an uncultivated woodland habitat in England and a cultivated soil in Scotland, was re‐investigated in 1991 after an interval of 30 and 24 years, respectively. In the undisturbed habitat, nematodes had a distribution similar to that in 1961 but with a lower population density.
D J F Brown, Roy Neilson
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European Journal of Plant Pathology, 2013
Regions within the mitochondrial gene encoding for the nicotinamide dehydrogenase subunit 4 (nad4) were characterized to evaluate the extent of genetic variation within and among Xiphinema diversicaudatum and Xiphinema simile populations. Four different sequence variants of nad4 were determined among eight populations of X.
Angela Di Cesare, Di Cesare Angela
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Regions within the mitochondrial gene encoding for the nicotinamide dehydrogenase subunit 4 (nad4) were characterized to evaluate the extent of genetic variation within and among Xiphinema diversicaudatum and Xiphinema simile populations. Four different sequence variants of nad4 were determined among eight populations of X.
Angela Di Cesare, Di Cesare Angela
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Effect of Xiphinema diversicaudatum on the growth of four seedling grasses
Plant Pathology, 1979SUMMARY In pot experiments in a glasshouse, nematode numbers equivalent to 1000 Xiphinema diversicaudatum (Micol.) Thome per litre of soil produced extensive galling on roots of seedling perennial ryegrass and tall fescue.
HELEN ROBERTS, J. COTTON
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Annals of Applied Biology, 1986
SUMMARYSections through the odontophore of Xiphinema diversicaudatum showed two types of staining for carbohydrates using the periodic acid ‐ thiosemicarbazide ‐silver proteinate (PA‐TSC‐SP) reaction. The first consisted of thin, localised, intensely‐stained patches on the lining of the food canal of all the specimens examined.
W M Robertson
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SUMMARYSections through the odontophore of Xiphinema diversicaudatum showed two types of staining for carbohydrates using the periodic acid ‐ thiosemicarbazide ‐silver proteinate (PA‐TSC‐SP) reaction. The first consisted of thin, localised, intensely‐stained patches on the lining of the food canal of all the specimens examined.
W M Robertson
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The Reproductive Potential of Xiphinema Diversicaudatum On Strawberry
Nematologica, 1970The reproductive potential of Xiphinema diversicaudatum was apparently little affected by population density, even when this considerably exceeded that normally found in the field or when it was as low as one female and one male inoculated separately in 125 ml soil. The mean reproductive rate was 7.3 (S.D. 2.0).
J.J.M. Flegg +2 more
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Ultrastructural studies on the nematode Xiphinema diversicaudatum: Oogenesis and fertilization
Tissue and Cell, 1993Oogenesis and fertilization in longidorid nematodes has been examined for the first time at electron microscope level in Xiphinema diversicaudatum. Oogonia in the germinative zone of the ovary are irregularly shaped and lie adjacent to each other or separated by processes of the epithelial cells of the ovary.
BLEVEZACHEO T, MELILLO, MT, ZACHEO, G
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Ultrastructural studies on the nematode Xiphinema diversicaudatum: Egg shell formation
Tissue and Cell, 1993The ultrastructure of the formation of the egg shell in the longidorid nematode Xiphinema diversicaudatum is described. Upon fertilization a vitelline membrane, which constitutes the vitelline layer of the egg shell, is formed. The chitinous layer is secreted in the perivitelline space, between the vitelline layer and the egg cell membrane.
BLEVEZACHEO T, MELILLO, MT, ZACHEO, G
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Xiphinema diversicaudatum . [Distribution map].
Distribution Maps of Plant Diseases, 2006Abstract A new distribution map is provided for Xiphinema diversicaudatum (Micoletzky) Thorne Nematoda: Dorylaimida: Longidoridae Hosts: Mainly fruit crops, including strawberry ( Fragaria X ananassa [Fragaria ananassa] ) stone fruits ( Prunus spp
null CABI, null EPPO
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