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.

    Bronnen in Groenekennis kunnen direct opgevraagd worden via een geavanceerde zoekmachine met een 'google-achtige' interface. Met filters kan ingezoomd worden op diverse aspecten, zoals Trefwoord, Collectie, Jaar en Auteur. Bovendien biedt Groenekennis gebruikers de mogelijkheid om via de E-mail geattendeerd te worden op aanvullingen in specifieke vakgebieden.
    De Tijdschriftenlijst biedt een overzicht van tijdschriften waaruit de artikelen voor Groenekennis worden geselecteerd. Door te klikken op een titel krijgt u alle artikelen uit dat tijdschrift in de Groenekennis database getoond.
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    Groenekennis is onderdeel van het bibliotheeksysteem van WUR. Praktijkgerichte publicaties en rapporten van WUR komen daardoor automatisch beschikbaar. Daarnaast wordt de database doorlopend gevuld met voor het groen onderwijs bruikbare bronnen en artikelen, video’s en websites. Het percentage online is de laatste jaren gegroeid tot tweederde van de totale aanwas per jaar. Dit percentage groeit nog steeds.

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Gracilpaurus crenata (Corbett, 1966) Ganguly & Khan, 1990 from Lesotho and South Africa (Nemata: Paratylenchinae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Buckley, N.H. \ 1993
Gracilpaurus crenata (Corbett, 1966) Ganguly & Khan, 1990 is described and figured from the Maluti Mountains in Lesotho and from dune vegetation on the Natal north coast. Scanning electron microscope photographs illustrate the cuticle of the swollen ...
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Description of the male of Scutellonema Sher, 1963 from Mozambique (Nemata: Hoplolaimidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Van Den Oever, H.A.M. \ 1993
The original description of Scutellonema truncatum Sher, 1963 male specimens was unknown. During a nematode survey on various crops in Mozambique a few specimens were found. The male specimens are described and illustrated for the first time, while t ...
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On some Helicotylenchus Steiner, 1945 from South Africa (Hoplolaimidae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ 1993
A total of 190 populations of the genus Helicotylenchus Steiner, 1945, originating from various localities throughout South Africa were studied. Three species, namely H. crenacauda Sher, 1966, H. indicus Siddiqi, 1963 and H. labiodiscinus Sher, 1966 ...
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New species of Tylenchorhynchus Cobb, 1913, Paratrophurus arias, 1970 and Histotylenchus Siddiqi, 1971 from South Africa and Namibia (Nemata: Belonolaimidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1992
Five new stunt nematodes are described from South Africa and Namibia. Tylenchorhynchus dewaelei spec. nov. has strongly back-sloped stylet knobs, completely areolated lateral fields, a large metacorpus lumen, intestine-overlapping oesophageal glands, ...
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Cyst-forming nematodes in South Africa: Afenestrata africana (Luc, Germani & Netscher, 1973) Baldwin & Bell, 1985 (Nemata: Heteroderidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1992
Afenestrata africana (Luc et al., 1973) Baldwin & Bell, 1985 is reported from indigenous ferns and grasses in virgin veld on the south-eastern Transvaal Highveld. Previously unrecorded features of the cyst and second-stage juvenile are described.
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New Criconematinae (Nemata) from the Carolina area of the Eastern Transvaal, South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1992
Three new Criconema and one new Criconemella species are described and figured from South Africa. Criconema carolinae sp. nov. females collected from around grasses are characterized by having 50 to 77 rounded to retrorse body annuli each bearing a f ...
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Redescriptions and new records of six known Criconema species from Natal, South Africa (Criconematinae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1992
Additional figures, measurements and descriptions are given for these species: C. crassianulatum, C. lamellatum, C. natalense, C. silvum, C. sulcitum and C. talanum. C. crassianulatum and C. lamellatum are new records for South Africa.
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External morphology of eight South African Helicotylenchus species (Hoplolaimidae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ Buckley, N.H. \ 1992
Scanning electron micrographs of Helicotylenchus species collected from several localities are presented. Different characteristics of the lip and tail region of H. africanus, H. areolatus, H. cavenessi, H. dihystera, H. erythrinae, H. microcephalus, ...
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New and known Criconemella and Ogma species from northern Natal coastal sandy soils (Criconematinae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1991
Ogma louisi sp. nov. collected from indigenous vegetation is described and figured from grasslands in Transvaal and Natal, South Africa. Females of this species are characterized by 37 to 43 retrorse annules with a fringe of projections arranged in 2 ...
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Four new nematodes species from the Cederberg, Cape Province, South Africa (Criconematidae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Meyer, A.J. \ 1991
Four new species of Criconematidae collected from Protea repens are described and illustrated from South Africa. Caloosia peculiaris sp. nov. females are characterized by having retrorse, roughly crenate annules on a part of the body; females small ( ...
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The cytogenetics of some South African root-knot nematodes (Heteroderidae: Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ Kruger, J.C.deW. \ 1991
The cytogenetics of six South African Meloidogyne species were studied. Some interspecific differences were noted during oogenesis as well as interspecific and intraspecific differences in chromosome numbers of the various populations.
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Two new and one known species of the Tylenchoidea (Nemata) from southern Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1990
Rotylenchulus brevitubulus sp. nov. is described and figured from under an unidentified shrub in South West Africa/Namibia. It is distinguished from all other species in the genus by the short distance (6.3-7.7 mu m) between the opening of the dorsal ...
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An unusual host association: Aprostocetus sp. (Eulophidae), a hymenopterous predator of the nematode Subanguina mobilis (Chit & Fisher, 1975) Brzeski, 1981 (Anguinidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Prinsloo, G.L. \ Neser, S. \ 1990
An unidentified eulophid wasp of the genus Aprostocetus is recorded, for the first time, from South Africa and Zimbabwe as an ectophagous larval predator of the nematode Subanguina mobilis (Anguinidae), found in galls on the asteraceous plants Arctot ...
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Plant-parasitic nematodes in lucerne fields in South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Marais, M. \ 1990
From April 1986 to October 1989, 189 soil, root and leaf samples were collected from the major lucerne producing areas in the Cape Province, Orange Free State and the Transvaal. Representatives of the plant parasitic nematode genera Paratrichodorus, ...
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The genus Xiphinema in South Africa. XXI. Description of X. pongolense sp.n. and a parthenogenetic population of X. clavatum Heyns, 1965 (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Hutsebaut, M. \ 1989
A parthenogenetic population of Xiphinema clavatum is described from Leisure Bay, Natal, the morphometrics of which differ slightly from that of the type population. Uterine spines and a pseudo-Z-organ were observed in the new population and re-exami ...
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More species of pin nematodes from southern Africa (Paratylenchinae: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1989
Gracilacus acicula, G. steineri and Paratylenchus hamatus are described and figured from southern Africa. Additional measurements and figures are given for P. projectus.
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A new and a known nematode from the little Karoo, South Africa (Tylenchoidea: Nemata) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ 1989
Rotylenchus kenti sp. nov. is described and figured from a virgin grassland from South Africa. This new species is characterized by a long (16.5-30.5 micro m), pointed, ventrally curved female tail with the phasmid situated posterior to anus; long (1 ...
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Further observations on nematodes associated with rice in South Africa \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Waele, D. de \ 1989
Ten plant-parasitic nematode species were found in soil from upland and paddy rice fields in North Natal, South Africa: Hemicriconemoides cocophillus, Helicotylenchus dihystera, Pratylenchus brachyurus, Longidorus pisi, Paratrichodorus lobatus, Helic ...
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Meloinema silvicola sp. nov. (Nemata: Heteroderidae) from an indigenous forest in the southern Cape \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1988
Meloinema silvicola sp. nov. from Apodytes dimidiata in the southern Cape is characterized as follows: in the mature female the stylet cone slightly curved dorsally, stylet knobs rounded, back-sloped, lateral fields areolated, terminate anteriorly op ...
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Meloidogyne vandervegtei sp. nov. from a subtropical coastal forest in Natal (Nemata: Heteroderidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ 1988
Meloidogyne vandervegtei sp. nov. is described from an unidentified woody plant in an indigenous subtropical forest on the Natal south coast. The female stylet is slender, with slightly back-sloped knobs; oesophageal lumen lining usually narrows towa ...
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