Spermatogenesis and sperm ultrastructure in some cyst nematodes, Heterodera spp.

A - Papers appearing in refereed journals

Shepherd, A. M., Clark, S. A. and Kempton, A. 1973. Spermatogenesis and sperm ultrastructure in some cyst nematodes, Heterodera spp. Nematologica. 19 (4), pp. 551-&. https://doi.org/10.1163/187529273x00574

Authors	Shepherd, A. M., Clark, S. A. and Kempton, A.
Year of Publication	1973
Journal	Nematologica
Journal citation	19 (4), pp. 551-&
Digital Object Identifier (DOI)	https://doi.org/10.1163/187529273x00574
Open access	Published as non-open access
ISSN	00282596

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An analysis of Earth temperature and related series in air and soil

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Dhanoa, M. S., Sanderson, R., Shepherd, A. M., Cardenas, L. M., Ellis, J. L., Powell, C. D., Lopez, S. and France, J. 2023. An analysis of Earth temperature and related series in air and soil. Advances in Agronomy. 180, pp. 227-258. https://doi.org/10.1016/bs.agron.2023.03.004

A study of esophageal structure in a nematode, aphelenchoides-blastophthorus (aphelenchida), using computer-graphics reconstruction from serial thin-sections

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Shepherd, A. M., Perkins, W. J., Green, R. J. and Clark, S. A. 1984. A study of esophageal structure in a nematode, aphelenchoides-blastophthorus (aphelenchida), using computer-graphics reconstruction from serial thin-sections. Journal Of Zoology. 204 (OCT), pp. 271-288.

A re-examination of esophageal ultrastructure in ditylenchus-dipsaci (nematoda, tylenchida) with some observations on intestinal structure

A - Papers appearing in refereed journals

Shepherd, A. M. and Clark, S. A. 1983. A re-examination of esophageal ultrastructure in ditylenchus-dipsaci (nematoda, tylenchida) with some observations on intestinal structure. Nematologica. 29 (2), pp. 151-170. https://doi.org/10.1163/187529283x00429

The distribution and effect of intracellular rickettsia-like microorganisms infecting adult males of the potato cyst-nematode globodera-rostochiensis

A - Papers appearing in refereed journals

Walsh, J. A., Lee, D. L. and Shepherd, A. M. 1983. The distribution and effect of intracellular rickettsia-like microorganisms infecting adult males of the potato cyst-nematode globodera-rostochiensis. Nematologica. 29 (2), pp. 227-239. https://doi.org/10.1163/187529283x00474

The distribution and effect of intracellular rickettsia-like microorganisms infecting 2nd-stage juveniles of the potato cyst-nematode globodera-rostochiensis

A - Papers appearing in refereed journals

Walsh, J. A., Shepherd, A. M. and Lee, D. L. 1983. The distribution and effect of intracellular rickettsia-like microorganisms infecting 2nd-stage juveniles of the potato cyst-nematode globodera-rostochiensis. Journal Of Zoology. 199 (MAR), pp. 395-419.

Hexatylus head skeleton - different but not so different

A - Papers appearing in refereed journals

Shepherd, A. M., Clark, S. A. and Hooper, D. J. 1982. Hexatylus head skeleton - different but not so different. Nematologica. 28 (2), pp. 171-172.

Computer-graphics in the reconstruction of serial sections

A - Papers appearing in refereed journals

Shepherd, A. M., Perkins, W. J., Green, J. and Clark, S. A. 1982. Computer-graphics in the reconstruction of serial sections. Nematologica. 28 (2), pp. 172-172.

Interpretation of sperm development in nematodes

A - Papers appearing in refereed journals

Shepherd, A. M. 1981. Interpretation of sperm development in nematodes. Nematologica. 27 (1), pp. 122-125. https://doi.org/10.1163/187529281x00151

Structure of the anterior alimentary-tract of Aphelenchoides blastophthorus (Nematoda, Tylenchida, Aphelenchina)

A - Papers appearing in refereed journals

Shepherd, A. M., Clark, S. A. and Hooper, D. J. 1980. Structure of the anterior alimentary-tract of Aphelenchoides blastophthorus (Nematoda, Tylenchida, Aphelenchina). Nematologica. 26 (3), pp. 313-357. https://doi.org/10.1163/187529280x00279

Intracellular microorganisms parasitizing cyst nematodes and their pathogenic effect on the potato cyst nematode, globodera-rostochiensis

A - Papers appearing in refereed journals

Walsh, J. A., Lee, D. L. and Shepherd, A. M. 1979. Intracellular microorganisms parasitizing cyst nematodes and their pathogenic effect on the potato cyst nematode, globodera-rostochiensis. Parasitology. 79 (DEC), pp. R47-R48.

Cuticle structure and cement formation at anterior end of female cyst-nematodes of genera heterodera and globodera (heteroderidae tylenchida)

A - Papers appearing in refereed journals

Shepherd, A. M. and Clark, S. A. 1978. Cuticle structure and cement formation at anterior end of female cyst-nematodes of genera heterodera and globodera (heteroderidae tylenchida). Nematologica. 24 (2), pp. 201-&. https://doi.org/10.1163/187529278x00407

Structure of spicules and caudal sensory equipment in male of Aphelenchoides blastopthorus (Nematoda: Tylenchida, Aphelenchina)

A - Papers appearing in refereed journals

Clark, S. A. and Shepherd, A. M. 1977. Structure of spicules and caudal sensory equipment in male of Aphelenchoides blastopthorus (Nematoda: Tylenchida, Aphelenchina). Nematologica. 23 (1), pp. 103-&. https://doi.org/10.1163/187529277x00282

Structure of anterior alimentary-tract of passively feeding nematode Hexatylus viviparus (Neotylenchidae: Tylenchida)

A - Papers appearing in refereed journals

Shepherd, A. M. and Clark, S. A. 1976. Structure of anterior alimentary-tract of passively feeding nematode Hexatylus viviparus (Neotylenchidae: Tylenchida). Nematologica. 22 (3), pp. 332-&. https://doi.org/10.1163/187529276x00625

Spermatogenesis and ultrastructure of sperm and of male reproductive tract of Aphelenchoides-blastophthorus (Nematoda: Tylenchida, Aphelenchina)

A - Papers appearing in refereed journals

Shepherd, A. M. and Clark, S. A. 1976. Spermatogenesis and ultrastructure of sperm and of male reproductive tract of Aphelenchoides-blastophthorus (Nematoda: Tylenchida, Aphelenchina). Nematologica. 22 (1), pp. 1-&. https://doi.org/10.1163/187529276x00012

Cell junctions acting as intestinal valves in nematodes

A - Papers appearing in refereed journals

Seymour, M. K. and Shepherd, A. M. 1974. Cell junctions acting as intestinal valves in nematodes. Journal Of Zoology. 173 (AUG), pp. 517-523.

Spicule structure in some heterodera spp

A - Papers appearing in refereed journals

Clark, S. A., Shepherd, A. M. and Kempton, A. 1973. Spicule structure in some heterodera spp. Nematologica. 19 (2), pp. 242-&. https://doi.org/10.1163/187529273x00367

Intracellular microorganism associated with tissues of heterodera spp

A - Papers appearing in refereed journals

Shepherd, A. M., Clark, S. A. and Kempton, A. 1973. Intracellular microorganism associated with tissues of heterodera spp. Nematologica. 19 (1), pp. 31-&. https://doi.org/10.1163/187529273x00060

Cuticle structure in the genus Heterodera

A - Papers appearing in refereed journals

Shepherd, A. M., Clark, S. A. and Dart, P. J. 1972. Cuticle structure in the genus Heterodera. Nematologica. pp. 1-17.

The structure, composition and origin of the subcrystalline layer in some species of the genus Heterodera

A - Papers appearing in refereed journals

Brown, G., Callow, R. K., Green, C. D., Shepherd, A. M., Williams, T. D., Jones, F. G. W. and Rayner, J. H. 1971. The structure, composition and origin of the subcrystalline layer in some species of the genus Heterodera. Nematologica. 17 (4), pp. 591-599.

A labour-saving method of making Fenwick multi-chamber counting slides for nematodes

A - Papers appearing in refereed journals

Doncaster, C. C., Edwards, B. S. and Shepherd, A. M. 1966. A labour-saving method of making Fenwick multi-chamber counting slides for nematodes. Nematologica. 12, p. p644.

Population studies on pea cyst‐nematode Heterodera goettingiana Liebs.

A - Papers appearing in refereed journals

Jones, F. G. W., Meaton, V. H., Parrott, D. M. and Shepherd, A. M. 1965. Population studies on pea cyst‐nematode Heterodera goettingiana Liebs. Annals of Applied Biology - AAB. 55 (1), pp. 13-23. https://doi.org/10.1111/j.1744-7348.1965.tb07863.x

The Emergence of Larvae of Heterodera Goettingiana Liebs. in Vitro and a Comparison Between Field Populations of H. Goettingiana and H. Rostochiensis Woll

A - Papers appearing in refereed journals

Shepherd, A. M. 1963. The Emergence of Larvae of Heterodera Goettingiana Liebs. in Vitro and a Comparison Between Field Populations of H. Goettingiana and H. Rostochiensis Woll. Nematologica. 9 (1), pp. 143-151. https://doi.org/10.1163/187529263X00250

A water sprinkler to separate Heterodera cysts from debris in hatching experiments

A - Papers appearing in refereed journals

Shepherd, A. M. 1963. A water sprinkler to separate Heterodera cysts from debris in hatching experiments. Nematologica. 9 (4), p. 647. https://doi.org/10.1163/187529263X00782

New Blue R, a stain that differentiates between living and dead nematodes

A - Papers appearing in refereed journals

Shepherd, A. M. 1962. New Blue R, a stain that differentiates between living and dead nematodes. Nematologica. 8 (3), pp. 201-208. https://doi.org/10.1163/187529262X00431

Dyes as Artificial Hatching Agents for Beet Eelworm, Heterodera schachtii Schm.

A - Papers appearing in refereed journals

Shepherd, A. M. 1962. Dyes as Artificial Hatching Agents for Beet Eelworm, Heterodera schachtii Schm. Nature. 196, pp. 391-392. https://doi.org/10.1038/196391a0

The Response of Potato Root Eelworm, Heterodera Rostochiensis Wollenweber and Beet Eelworm, H. Schachtii Schmidt To Root Diffusates of Some Grasses, Cereals and of Tagetes Minuta

A - Papers appearing in refereed journals

Hesling, J. J., Pawelska, K. and Shepherd, A. M. 1961. The Response of Potato Root Eelworm, Heterodera Rostochiensis Wollenweber and Beet Eelworm, H. Schachtii Schmidt To Root Diffusates of Some Grasses, Cereals and of Tagetes Minuta. Nematologica. 6 (3), pp. 207-213. https://doi.org/10.1163/187529261X00045

A study of the apparent decay of eggs within cysts of Heterodera schachtii Schmidt and H. gottingiana Liebscher, and of free larvae in soil

A - Papers appearing in refereed journals

Shepherd, A. M. 1960. A study of the apparent decay of eggs within cysts of Heterodera schachtii Schmidt and H. gottingiana Liebscher, and of free larvae in soil. Nematologica. 5 (2), pp. 103-110. https://doi.org/10.1163/187529260X00479

The invasion and development of some species of Heterodera in plants of different host status

A - Papers appearing in refereed journals

Shepherd, A. M. 1959. The invasion and development of some species of Heterodera in plants of different host status. Nematologica. 4 (4), pp. 253-267. https://doi.org/10.1163/187529259X00453

Increasing the rate of larval emergence from cysts in hatching tests with beet eelworm, Heterodera schachtii Schmidt

A - Papers appearing in refereed journals

Shepherd, A. M. 1959. Increasing the rate of larval emergence from cysts in hatching tests with beet eelworm, Heterodera schachtii Schmidt. Nematologica. 4 (3), pp. 161-164. https://doi.org/10.1163/187529259X00165

Testing populations of beet eelworm, Heterodera schachtii Schmidt, for resistance-breaking biotypes, using the wild beet (Beta patellaris Moq.) as indicator

A - Papers appearing in refereed journals

Shepherd, A. M. 1959. Testing populations of beet eelworm, Heterodera schachtii Schmidt, for resistance-breaking biotypes, using the wild beet (Beta patellaris Moq.) as indicator. Nature. 183, pp. 1141-1142. https://doi.org/10.1038/1831141a0

Experimental methods in testing for resistance to beet eelworm, Heterodera schachtii Schmidt

A - Papers appearing in refereed journals

Shepherd, A. M. 1958. Experimental methods in testing for resistance to beet eelworm, Heterodera schachtii Schmidt. Nematologica. 3 (2), pp. 127-135. https://doi.org/10.1163/187529258X00201

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