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Now showing items 1-20 of 551
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'n Ekologiese studie van die plantegroei van 'n noordelike en suidelike kloof van die Magaliesberge (University of Pretoria, 1961-06)English: The vegetation of the two kloofs in the Magaliesberg range is described. These kloofs are 10 miles west of the Hartebeespoortdam in die Brits district covering an area of approximately 35 morgen. The altitude ...
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(University of Pretoria, 1966)No abstract available.
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(University of Pretoria, 1969)Citrus black spot caused by Guignardia Citricarpa Kiely, is the most serious fungal disease affecting citrus in the Republic of South Africa. The disease is also reported from Swaziland, Rhodesia and Mozambique and in ...
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(University of Pretoria, 1977)No abstract available.
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(University of Pretoria, 1978)Lake Chrissie represents a shallow, brackish, inland water body which can be described as a lake on the basis of its size and permanent character. A relatively small amount of algological sutdies have been done on inland ...
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(University of Pretoria, 1980)Die ontbinding van blaarmateriaal is onder gekontroleerde en natuurlike toestande, soos gevind in die Nylsvleysavanne, ondersoek. As kriteria van ontbinding is massa-afname, chemiese samestelling, kiembare propaguletellings, ...
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(University of Pretoria, 1991)A taxonomic revision of 51 species of Riccia, nearly three quarters of which are probably endemic to southern Africa, as well as the cosmopolitan, mono typic species, Ricciocarpos natans, is presented. The systematic ...
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(University of Pretoria, 1996)The vegetation of the Kosi Bay Coastal Forest Reserve was classified by means of Braun-Blanquet and TWINSPAN procedures. Twelve major plant communities were identified, occurring along a gradient from the inland fresh ...
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(University of Pretoria, 1998)In depth studies of the vegetation of large parts of southern Africa, including detailed maps and descriptions of vegetation units are mainly limited to small areas. Meanwhile, various agricultural practises have led to ...
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(University of Pretoria, 1999)A phytosociological study covering approximately 12 000 km2 was completed within Southeastern Mpumalanga high altitude grasslands. The towns of Belfast, Barberton, Piet Retief and Wakkerstroom represented the four corners ...
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(University of Pretoria, 2000)A vegetation survey of natural woodland and grassland was undertaken in the urban areas of the Gauteng Province, where 7,3 million of the 38,5 million people of South Africa live. Relevés were compiled in 132 stratified ...
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(University of Pretoria, 2000)Lachnaea L., a genus endemic to the Cape Floristic Region, occurs almost exclusively in fynbos vegetation. In this revision a brief taxonomic history of Lachnaea is presented. Palynology and chromosome numbers were found ...
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(University of Pretoria, 2000)Lachnaea L., a genus endemic to the Cape Floristic Region, occurs almost exclusively in fynbos vegetation. In this revision a brief taxonomic history of Lachnaea is presented. Palynology and chromosome numbers were found ...
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(University of Pretoria, 2000)Cowpea (Vigna unguiculata (L.) Walp is an indigenous food legume in Africa, which has great production potential, especially in areas with low agricultural resources. During surveys of cowpea fields in southern Africa, a ...
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(University of Pretoria, 2000)Salsola L. is one of the largest genera within the Chenopodiaceae. It has been suggested that almost 90 species occur in southern Africa where the plants are most conspicuous in karroid areas. Members of Salsola are of ...
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(University of Pretoria, 2000)Please read the abstract in the dissertation.
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(University of Pretoria, 2002)Please read the abstract in the dissertation Copyright 2002, University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted ...
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(University of Pretoria, 2002)Please read the abstract (Summary)in the section 08summary of this document
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(University of Pretoria, 2003)Anthracnose of cowpea (Vigna unguiculata (L.) Walp) caused by Colletotrichum dematium (Pers. ex Fr) Grove has serious socio-economic implications. Subsistence farmers rely heavily on cowpea for protein and fodder; therefore, ...
Now showing items 1-20 of 551