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 genus Xiphinema in southern Africa. XII. Description of Xiphinema loteni n.sp. from Natal (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ 1986
X. loteni n.sp. found in soil samples under grasses and Crassula sp. in virgin veld in the Loteni Nature Reserve, Natal, and under grasses and other vegetation in the Umkomaas valley, South Africa, is described and figured. It is characterized by the ...
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Cuticularised spirals in the anterior body wall of Longidoroides hooperi (Heyns, 1966) (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Jacobs, P.J.F. \ Heyns, J. \ Loots, G.C. \ Tiedt, L. \ 1986
TEM studies show that the cuticularised spirals in the anterior body wall of L. hooperi are located between the 3rd fibrous layer and the basal layer of the cuticle. It is thought that these spirals provide elasticity to the body wall and play a role ...
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The genus Xiphinema in south Africa. XIII. description of X. coomansi n.sp. and X. magaliesmontanum n.sp. from Transvaal (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kruger, J.C.D. \ Heyns, J. \ 1986
X. coomansi n.sp., collected from soil around the roots of grasses in Hoedspruit, eastern Transvaal Lowveld, South Africa, is most closely related to X. louisi. It can be distinguished from it by the shorter basal bulb (78-94 micro m), the shape of t ...
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A study of Xiphinema brevicolle sensu Heyns, 1974 (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kruger, J.C.deW. \ Heyns, J. \ 1986
A thorough morphometrical and morphological study of all the available material of X. brevicolle from South Africa led to the conclusion that this species conforms more closely with X. diffusum than with X. brevicolle. However it is thought that the ...
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Occurrence of Xiphinema in South African plant improvement vineyards \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Barbercheck, M. \ Heyns, J. \ 1986
Xiphinema spp. were found in 102 of 156 vineyards in south Africa surveyed between 1982 and 1984. X. meridianum was the most common of the 13 spp. found. X. index, a vector of grapevine fanleaf virus, was found in one sample from the Worcester distri ...
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Two new Elaphonema species from the Cape Province (Nematoda: Rhabditida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Meyer, A.J. \ Heyns, J. \ 1986
E. karooense n.sp. and E. proteae n.sp. from grasses in South Africa are described and illustrated. E. karooense is characterized by a greater body length (717-730 micro m), a vulval area which stretches over 20-23 annules and spicules which appear t ...
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Skibbenema constrictum n.gen., n.sp. (Nematoda: Qudsianematidae) from the Transvaal, with a note on the female reproductive system \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
Skibbenema n.g. is described from the Transvaal, South Africa. It is separated from the genera of the Qudsianematidae by the presence of a constriction between the anterior slender oesophagus and the basal bulb. The oesophagus is very long (b=3.6-4) ...
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A survey of Longidoridae in vineyards along the Berg river system \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
A survey of Longidoridae was made on 61 soil samples collected from vineyards along the Berg River system, South Africa. 15 Xiphinema, 2 Longidorus and one Longidoroides species were found. The most common and widely distributed Xiphinema species fou ...
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Medalinema mopanicum n.sp. from Botswana (Nematoda: Thornenematidae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
M. mopanicum n.sp., from the rhizosphere of Colaphospermum mopane, from Botswana is described and figured. It differs from the closely related M. coomansi in having strong labial and cephalic sclerotization, a longer tail (199 micro m), smaller c rat ...
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Three new species of the genus Thonus Thorne, 1974 and a redescription of Tylencholaimus dorae Kruger, 1965 (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Reenen, E. van \ Heyns, J. \ 1986
Thonus annae n.sp., T. surikae n.sp. and T. christiani n.sp. are described and illustrated from South Africa. They are distinguished from other Thonus species by the exceptionally long basal oesophageal bulb which occupies 56-69% of the total neck le ...
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On the identity of Dorylaimellus montenegricus Andrassy, 1959, D. Monticolus Clark, 1963 and D. directus Heyns, 1963 (Nematoda: Belondiroidea) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Jordaan, R. \ 1985
A brief outline is given of the taxonomic history of the 3 closely related species D. montenegricus, D. monticolus and D. directus. Measurements are given for new populations of D. directus from South Africa. Type specimens of D. directus and D. mont ...
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The genus Xiphinema in South Africa. IX. Description of Xiphinema xenovariabile n.sp. from Transvaal (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kruger, J.C.deW. \ Heyns, J. \ 1985
X. xenovariabile n.sp. from soil around roots of grass and maize from Transvaal, South Africa is described and figured. It is most closely related to X. variabile from which it can be distinguished by body posture and diameter, vulva position, odonto ...
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A study of Xiphinema americanum sensu Heyns, 1974 (Nematoda) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Loots, G.C. \ Heyns, J. \ 1985
A brief historial review of the taxonomic position of X. americanum Cobb, is given together with an indication of the existing confusion concerning the delimitation of the species concept and the position of the specimens collected from South Africa ...
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Elaphonema messinae sp.n. from the northern Transvaal (Nematoda: Rhabditida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Berg, E. van den \ Swart, A. \ Heyns, J. \ 1985
E. messinae n.sp. from a dry river bed in Transvaal, South Africa is described and figured. It differs from the only other described species in the genus, E. mirabile, by having a differently structured spermatheca and vulval area as well as a shorte ...
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The genus Xiphinema in South Africa. X. Species of the X. meridianum group (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Coomans, A. \ Heyns, J. \ 1985
X. barbercheckae n.sp., X. capense, n.sp. and X. bolandium n.sp. from vineyards in South Africa are described and illustrated. X. barbercheckae is distinguished from other members of the X. meridianum group by the presence of spines in the uterus. X. ...
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Further studies on southern African Trichodoridae (Nematoda: Dorylaimida) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Vermeulen, W.J.J. \ Heyns, J. \ 1985
Trichodorus sanniae n.sp. and T. rinae n.sp. are described and figured from soil in South Africa. T. sanniae differs from the closely related T. californicus and T. dilatatus in being shorter (L = 600 to 767 micro m) with a shorter onchiostyle, short ...
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The genus Xiphinema in South Africa. VIII. Xiphinema diversicaudatum (Micoletzky, 1927) Thorne, 1939 \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Coomans, A. \ 1984
X. diversicaudatum is reported and figured from South Africa for the first time, having been found in peach and pear orchards in 2 localities in the South-western Cape Province. Biometrical data of the South African specimens are tabulated and compar ...
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On the occurrence of unknown objects in the prerectum of Longidorus pisi Edwards, Misra & Singh, 1964 (Nematoda: Longidoridae) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Heyns, J. \ Jacobs, P.J.F. \ Loots, G.C. \ Tiedt, L. \ 1984
The prerectum of L. pisi contains a varying number of objects of unknown nature. These objects are consistently present in females, males and juveniles from South Africa, Nigeria, Cameroon, Israel, Iran and India, but were not observed in any of 15 o ...
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Nematodes of the families Dolichodoridae, Tylenchorhynchidae and Belonolaimidae in South Africa (Tylenchida: Hoplolaimoidea) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ Heyns, J. \ 1984
Twenty-one species representing 6 subfamilies and 11 genera of the families Dolichodoridae, Tylenchorhynchidae and Belonolaimidae are recorded from South Africa. Illustrations and pertinent measurements and diagnostic characters are given for the spe ...
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New species of Amplimerlinius Siddiqi, 1976 and Paratrophurus Arias, 1970 from South Africa (Nematoda: Hoplolaimoidea) \ Phytophylactica : plantbeskermingswetenskappe en mikrobiologie = Phytophylactica : plant protection sciences and microbiology [Artikel]
Kleynhans, K.P.N. \ Heyns, J. \ 1983
Two new species of the genera Amplimerlinius and Paratrophurus are described from South Africa. A. omentelus is characterized by a weak cephalic sclerotization and a non-annulated tail terminus in the female, and P. anomalus by a slightly demarcated ...
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