Articles by Keyword: Pigmentation Pattern

Search results for Pigmentation Pattern

We found 27 results for you
  1. Elucidation of seasonal pigmentation patterns in the involucral leaves of <em>Leucadendron</em> ‘Safari Sunset’

    Elucidation of seasonal pigmentation patterns in the involucral leaves of <em>Leucadendron</em> ‘Safari Sunset’

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    This study investigates seasonal pigmentation patterns found in the involucral leaves of Leucadendron ‘Safari Sunset’, with the long-term aim of colour manipulation. Treatments comprised deconed shoots and shoots in which the opening of the flower head was physically prevented. During...
  2. Soil-site relationships in the Roodepoort area, Transvaal

    Soil-site relationships in the Roodepoort area, Transvaal

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Fifty hillslope profiles with associated soils were examined in the Roodepoort area, Transvaal, to determine the relationships between soil and site characteristics, as well as the applicability of the toposequence concept. A mesoscale approach was adopted, which implied a relationship...
  3. Genetic analyses of grey leaf spot infection of maize in a single location 12 × 12 diallel

    Genetic analyses of grey leaf spot infection of maize in a single location 12 × 12 diallel

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The inheritance of resistance to grey leaf spot of maize (Zea mays L.), caused by Cercospora zeae-maydis, was studied using a 12 × 12 diallel cross. Information on the heterotic performance of the inbred lines enabled identification of patterns of...
  4. Effect of planting and harvesting dates on fungus-growing termite infestations in maize

    Effect of planting and harvesting dates on fungus-growing termite infestations in maize

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Fungus-growing termites (Microtermes spp. and Allodontermes spp.) damage maize roots and cause lodging. The pattern of attack, incidence of lodging, and the effect of planting and harvesting dates on damage and yield were studied in field trials over five seasons...
  5. Identification and classification of vertical chlorophyll patterns in the Benguela upwelling system and Angola-Benguela front using an artificial neural network

    Identification and classification of vertical chlorophyll patterns in the Benguela upwelling system and Angola-Benguela front using an artificial neural network

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Information on the vertical chlorophyll structure in the ocean is important for estimating integrated chlorophyll a and primary production from satellite. For this study, vertical chlorophyll profiles from the Benguela upwelling system and the Angola-Benguela front were collected in winter...
  6. OBSERVATIONS ON THE THREE ALLOPATRIC POPULATIONS OF THE MALUTI MINNOW, <underline>OREODAIMON QUATHLAMBAE</underline> (BARNARD) WITH NOTES ON ITS EVOLUTION, ECOLOGY, SPAWNING, AND CONSERVATION

    OBSERVATIONS ON THE THREE ALLOPATRIC POPULATIONS OF THE MALUTI MINNOW, <underline>OREODAIMON QUATHLAMBAE</underline> (BARNARD) WITH NOTES ON ITS EVOLUTION, ECOLOGY, SPAWNING, AND CONSERVATION

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    Meristics and pigmentation of specimens of Oreodaimon quathlambae from the three known populations were compared to determine whether the species has experienced divergent evolution. Pigmentation was found to vary substantially but meristics counts did not. A proposal is made-to recognise...
  7. Plant and sward response to patch grazing in the Highland Sourveld

    Plant and sward response to patch grazing in the Highland Sourveld

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Selective grazing by livestock inevitably results in patch grazing. This study was initiated to determine the effects of patch grazing on (1) the vigour of a single grass species, Themeda triandra, and of the sward, and (2) sward species composition...
  8. Influence of grazing frequency and intensity on aerial and reproductive tillering in <em>Lolium perenne</em> L. under subtropical conditions

    Influence of grazing frequency and intensity on aerial and reproductive tillering in <em>Lolium perenne</em> L. under subtropical conditions

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Reproductive and aerial tillering dynamics in Lolium perenne L. (perennial ryegrass) was monitored for two years under grazing. Reproductive tillers were observed from winter (June) to midsummer (February) with the main period of initiation occurring in spring to early summer...
  9. Exploring the Validity of the Values-In-Action Inventory of Strengths (VIA-IS) in an African Context

    Exploring the Validity of the Values-In-Action Inventory of Strengths (VIA-IS) in an African Context

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study explored the validity of the Values-In-Action Inventory of Strengths (VIA-IS) in an African context. A convenience sample of 256 African students completed the VIA-IS in English. The majority of strengths subscales had good reliability coefficients and mean scores...
  10. Settlement patterns, size and growth of puerulus and juvenile rock lobster <em>Jasus lalandii</em> at an oyster farm in Saldanha Bay, South Africa

    Settlement patterns, size and growth of puerulus and juvenile rock lobster <em>Jasus lalandii</em> at an oyster farm in Saldanha Bay, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Trends in the abundance, size and growth of newly settled pueruli and early juveniles of the rock lobster Jasus lalandii were determined from samples obtained from mesh bags used for oyster mariculture in Saldanha Bay, South Africa. Totals of 3...