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Phage and bacteriocin receptor activity of a proteus vulgaris strain
(University of Pretoria, 1971)
Two hundred and sixty three Dienes incompatible strains of Proteus vulgaris were
examined for the ability to produce bacteriocins active on Proteus vulgaris strain 69. This strain is the host organism in a transduction ...
Studies on the ecology and disease transmission of the psyllid vectors of the citrus greening disease, with special reference to the South African vector, Trioza erytreae [Del Guercio] [Homoptera : Psyllidae]
(Potchefstroom University for Christian Higher Education, 1970)
A comparatively new virus-like disease called greening has become a very
serious threat in many citrus producing countries of the world. The disease
is transmitted by two insect vectors belonging to the Psyllidae ...
Aspekte van die ekologie en respiratoriese fisiologie van die akwatiese Oligochaeta
(North-West University (South Africa), 1973)
"Abstract not copied"
'n Ondersoek na die verspreiding en taksonomie van Microchaetinae [Oligochaeta] in Suid-Afrika
(North-West University (South Africa), 1978)
In this study it has been attempted to give a comprehensive survey of the
geographic distribution and the taxonomic status of all the South African
species of the genus Microchaetus . An effort has been made to clarify ...
'n Ondersoek na die invloed van 8-hidroksikinoliensulfaat en n-6-bensielaminopurien op enkele aspekte van veroudering by angelierblomme
(North-West University (South Africa), 1977)
The effect of N-6-benzylaminopurine (BAP), 8-hydroxyquinoline
sulphate (HQS) and a BAP/HQS mixture on the display life and
external appearance of cut carnation flowers (Dianthus caryophyl
lus L. cultivar White Sim) was ...
Plantgemeenskappe van die Gabbro-kompleks in die noordweste van die sentrale distrik van die Nasionale Krugerwildtuin
(North-West University (South Africa), 1978)
"Abstract not copied"
'n Taksonomies-ekologiese ondersoek van sekere edafiese endeostigmata [trombidiformes : acari]
(North-West University (South Africa), 1973)
The taxonomical features of the cohort, Endeostigmata, as well as the nomenclature are discussed. The existing key to the families and genera is verified to contain new additional information.
A short synopsis is given ...
Die wisselwerking tussen die habitat en 'n aantal grasgemeenskappe in die suidoostelike Oranje-Vrystaat
(North-West University (South Africa), 1974)
"Abstract not copied"
Biochemiese veranderinge in die hartspierweefsel van skape met gousiekte onder lede
(North-West University (South Africa), 1978)
Gousiekte is a congestive type of cardiomyopathy which occurs
among ruminants. Post mortem analysis perfonned in this investigation•;on hearts from animals suffering from gousiekte
have shown that this cardiomyopathy is ...
Effects of a decade of chemotherapeutics on the prevalence of bilharziasis in a settled community : chemotherapy as a method of control, alone and in combination with molluscicides, used at Limpopo irrigation Scheme, Mozambique and Philadelphia Mission, Dennilto
(North-West University (South Africa), 1978)
From the earliest publications of Harley in 1864 setting out the
cause of endemic haematuria in the Cape and Natal to the present
day, many prominent investigators in So uth Africa have recorded
their data on several ...