Groenekennis

Informatie voor professionals in voedsel en groen

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    Groenekennis - Informatie voor professionals in voedsel en groen

    Groenekennis bevat artikelen uit vaktijdschriften, rapporten, video’s, presentaties, posters en websites op het gebied van landbouw, visserij, groene ruimte en voeding. Groenekennis wordt dagelijks bijgewerkt en bevat ongeveer 500.000 bronnen.

    Groenekennis is de globale view over diverse deelbestanden. Groenekennis is gevuld met alle informatie uit Groen Kennisnet, de Hydrotheek, Tuinpad, IB archief, ARTIK, bioKennis, Kennisbank Plantaardige bronnen, Kennisbank Zeldzame landbouwhuisdieren en afgesloten documentatiebestanden zoals Land Bodem Water en Consumenten- en huishoudstudies.

    Groen Kennisnet is een zeer belangrijk onderdeel van Groenekennis. De doelstelling van Groen Kennisnet is kennis delen op het gebied van Voedsel en Groen te bevorderen en te faciliteren voor een breed publiek.

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The plant-nematode problem of the American Tropics \ Journal of agriculture of the University of Puerto Rico [Artikel]
Steiner, G. \ Buhrer, E.M. \ 1964
This article discusses nematode problems of the American Tropics and is compiled by Buhrer from notes of the late Dr. G. Steiner. The apparent rapid exhaustion of tropical soils under cultivation is due more to organisms present, especially nematodes ...
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Monhystera cameroni n.sp.-a nematode commensal of various crustaceans of the Magdalen Islands and Bay of Chaleur (Gulf of St. Lawrence) \ Canadian journal of zoology = Journal canadien de zoologie / National Research Council of Canada [Artikel]
Steiner, G. \ 1958
Monhystera cameroni n.sp. was found on the appendages, and sometimes in the gut, of Mysis stenolepsis, M. mixta, Crago septemspinosus, Pandulus borealis and P. montagui from the Gulf of St. Lawrence. Although it resembles Monhystera socialis Butschli ...
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Changes in basic concepts in plant nematology \ The Plant disease reporter : published as a service to American agriculture [Artikel]
Steiner, G. \ 1953
Steiner discusses various aspects of the relationship between nematodes and plants in which he observes changes. The first of these, "the concept of the taxon", is changing in that with more detailed knowledge of the morphology of certain species it ...
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The problem of the taxon in the nematode genus Ditylenchus and its agricultural implications \ International Congress of Zoology [Artikel]
Steiner, G. \ 1953
Steiner states that the bulb or stem nematode is not a single species Ditylenchus dipsaci but a complex of taxa. He claims that the differences between biological strains are supported by morphological features of which he showed slides.
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Plant nematodes the grower should know \ Proceedings / Soil Science Society of Florida [Artikel]
Steiner, G. \ 1949
Steiner draws attention to the many different kinds of nematodes which play a part in the biology of the soil and considers them especially as parasites of plant roots. He points out the benefits accruing from soil sterilization by steam and chemical ...
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Resuscitation of the nematode Tylenchus polyhypnus n.sp., after almost 39 years' dormancy \ Journal of the Washington Academy of Sciences [Artikel]
Steiner, G. \ Albin, F.E. \ 1946
Steiner & Albin report the fact that when a leaf from a rye seedling, stored as a dried herbarium specimen since 1906, was moistened in June 1945, two young females and 3 larval nematodes revived, having retained the power of reviviscence for almost ...
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New nematodes associated with a disease of the papaya in Chile \ Boletin del Departamento de Sanidad Vegetal / Ministerio de Agricultura [Artikel]
Steiner, G. \ 1943
Steiner described and figured several new nematodes found associated with rotting papaya from Chile. Rhabditella chilensis n.sp. was differentiated from R. axei [it is now a synonym], Diplogasteroides mastigunis n.sp. differed from D. stigmatus in it ...
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Nematodes parasitic on and associated with roots of marigolds (Tagetes hybrids) \ Proceedings of the Biological Society of Washington [Artikel]
Steiner, G. \ 1941
Steiner lists 19 ornamentals grown in a flower border at Washington, D.C., the roots of which were galled by Heterodera marioni in 1933. In the same border in 1937 some 40 horticultural varieties of marigolds (Tagetes spp.) were grown and it was foun ...
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Nematodes observed on diseased rhizomes of ginger from Peru \ Proceedings of the Helminthological Society of Washington : a semiannual journal of research devoted to helminthology and all branches of parasitology [Artikel]
Steiner, G. \ Christie, J.R. \ 1939
Diploscapter coronatus (Cobb, 1893), Neocephalobus peruensis n. sp. and Aphelenchoidcs hunti Steiner, 1935 are added to the fauna of Peru. These species were found on diseased ginger rhizomes. N. peruensis feeds on bacteria and A. hunti on fungi. The ...
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Nematodes infesting red spiderlilies \ Journal of agricultural research [Artikel]
Steiner, G. \ 1938
Steiner has found that the bulbs and roots of the red spiderlily (Lycoris radiata Herb.) are attacked by nematodes in the South Atlantic region of U.S.A. In some bulbs occurred Ditylenchus dipsaci (infection probably derived from affected narcissi), ...
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Opuscula miscellanea nematologica, VI \ Proceedings of the Helminthological Society of Washington : a semiannual journal of research devoted to helminthology and all branches of parasitology [Artikel]
Steiner, G. \ 1937
Steiner re-establishes Aphelenchoides coffeae (Zimmermann, 1898) as a valid species and indicates points of difference from A. parietinus with which it had been synonymized. He presents observations on the occurrence of Aphelenchoides fragariae in dw ...
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Anguillulina a skenasyi (Butschli, 1873) ), a gallforming nematode parasite of the common fern moss, Thuidium delicatulum (L.) Hedw \ Journal of the Washington Academy of Sciences [Artikel]
Steiner, G. \ 1936
Steiner gives a well illustrated description of Anguillulina askenasyi (Butschli, 1873) a species which causes galls on certain mosses. It was made a synonym of Anguillulina dipsaci by Ritzema Bos in 1888 but Steiner reestablishes it as a distinct sp ...
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The status of the nematode Aphelenchus avenae Bastian, 1865, as a plant parasite \ Phytopathology : an international journal of the American Phytopathological Society [Artikel]
Steiner, G. \ 1936
Aphelenchus avenae may perhaps live on necrotic plant tissue, but it undoubtedly can live on fungi and on healthy plant tissue. This form is to be considered as a facultative plant parasite with perhaps dominant necrobiotic food tendencies.
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A nematosis of Amsinckia caused by a new variety of Anguillulina dipsaci \ Journal of agricultural research [Artikel]
Steiner, G. \ Scott, C.E. \ 1934
From galled fruits of Amsinckia intermedia, a wild member of the borage family growing in California, Steiner & Scon describe a new variety of the stem eelworm, Anguillulina dipsaci. </p><p>Adults of the new variety have about the same length as thos ...
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Aphelenchoides xylophilus n. sp., a nematode associated with blue-stain and other fungi in timber \ Journal of agricultural research [Artikel]
Steiner, G. \ Buhrer, E.M. \ 1934
Steiner and Buhrer record the occurrence of a nematode Aphelenchoides xylophilus n. sp. in pine timberj and give a detailed morphological description of both sexes. </p><p>The nematodes were once obtained from wood attacked by blue-stain fungi by soa ...
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Rhabditis lambdiensis, a nematode possibly acting as a disease agent in mushroom beds \ Journal of agricultural research [Artikel]
Steiner, G. \ 1933
Steiner gives a detailed morphological description of Rhabditis lambdiensis and discusses its possible significance as a carrier of a bacterial disease of mushrooms. </p><p>Morphological differences, occurring chiefly in the lip and bursal regions ar ...
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On the morphology of Deontostoma californicum n. sp. (Leptosomatinae, Nematodes) \ Journal of the Washington Academy of Sciences [Artikel]
Steiner, G. \ Albin, F.M. \ 1933
Steiner and Albin describe Deontostoma californicum n. sp. from a single male specimen, the first of the Leptosomatinae group to be found on the Pacific coast. Among the characters of the species are ocelli, and a large number of short setae in the r ...
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Hoplolaimus bradys n. sp. (Tylenchidae, Nematodes), the cause of a disease of yam (Dioscorea sp.) \ Zoologischer Anzeiger : zugleich Organ der Deutschen Zoologischen Gesellschaft [Artikel]
Steiner, G. \ Lehew, R.R. \ 1933
Steiner and LeHew give a detailed account of the morphology of Hoplolaimus bradys n. sp., found in the tuber of a yam exported from Jamaica. </p><p>Two other species of the genus, which is closely related to Tylenchus, are known. H. bradys differs fr ...
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Some Nemic Parasites and Associates of the Mountain Pine Beetle (Dendroctonus monticolae) \ Journal of agricultural research [Artikel]
Steiner, G. \ 1932
Some Nematode associates and parasites of Dendroctonus monticolae [Dendroctonus ponderosae], Hopk. (mountain pine beetle) are described, the limited observations recorded in the present paper indicating that the Nematode fauna of all bark-beetles of ...
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The nematode Tylenchus similis, Cobb. as a parasite of the tea plant (Thea sinensis, Linn), its sexual dimorphism, and its nemic associates in the same host \ The journal of parasitology : official organ of the American society of parasitologists [Artikel]
Steiner, G. \ Buhrer, E.M. \ 1932
Steiner and Buhrer describe the occurrence of seven species of nematodes within a small piece of root of the tea plant. Of these Tylenchus similis which was most abundant and of which all stages of the life cycle were present is considered to be the ...
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