Articles by Author: C P Du Plooy

Search results for C P Du Plooy

We found 18 results for you
  1. Storage root formation at individual nodes of the sweet potato (<em>Ipomoea batatas</em> (L.) Lam)

    Storage root formation at individual nodes of the sweet potato (<em>Ipomoea batatas</em> (L.) Lam)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Little or no information is available on the contribution of individual subterranean nodes to the storage root formation in sweet potatoes. Therefore, two field trials were conducted where apical vine cuttings of various cultivars were planted vertically or horizontally, with...
  2. Effect of BP1, BP3 and Quince A rootstocks, at three planting densities, on precocity and fruit quality of ‘Forelle’ pear (<em>Pyrus communis</em> L.)

    Effect of BP1, BP3 and Quince A rootstocks, at three planting densities, on precocity and fruit quality of ‘Forelle’ pear (<em>Pyrus communis</em> L.)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    ‘Forelle’ pear trees (Pyrus communis L.) were established at the Bien Donné experimental farm in the Western Cape Province of South Africa on BP1, BP3 and Quince A rootstocks at three planting densities, i.e., 889, 1667 and 2857 trees. ha...
  3. Effect of pruning on yield and quality of hydroponically grown cherry tomato (<em>Lycopersicon esculentum</em>)

    Effect of pruning on yield and quality of hydroponically grown cherry tomato (<em>Lycopersicon esculentum</em>)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The commercial importance of cherry tomatoes is continuously increasing in the South African retail market, with fruit size playing an important role. The effect of pruning on yield and quality of two cherry tomato cultivars (Naomi and Josefina) with an...
  4. Effect of plant spacing on growth and yield of lettuce (<em>Lactuca sativa</em> L.) in a soilless production system

    Effect of plant spacing on growth and yield of lettuce (<em>Lactuca sativa</em> L.) in a soilless production system

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Lettuce production in re-circulating hydroponic systems is done on a limited scale in South Africa with conflicting information on the recommended spacing for optimal yield and quality in such systems. The development and yield of four lettuce (Lactuca sativa L.)...
  5. Comparative performance of tomato cultivars cultivated in two hydroponic production systems

    Comparative performance of tomato cultivars cultivated in two hydroponic production systems

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Cultivar selection for different hydroponic production systems is an important management decision, potentially impacting the tomato grower’s profitability. Knowledge on the performance of tomato cultivars, in specific hydroponic systems (open-bag and closed system) under South African conditions, is still very...
  6. Flood effects on trophic linkages of selected fish species in the littoral zone of the St Lucia estuarine system, South Africa

    Flood effects on trophic linkages of selected fish species in the littoral zone of the St Lucia estuarine system, South Africa

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    The St Lucia Estuary, a UNESCO World Heritage Site, has experienced prolonged mouth closure since 2002. Until recently it was hypersaline, but heavy rainfall between October 2010 and January 2011 led to a large overall decrease in salinity. A stable...
  7. Nitrogen uptake dynamics of a persistent cyanobacterium <em>Cyanothece</em> sp. bloom in Lake St Lucia, South Africa

    Nitrogen uptake dynamics of a persistent cyanobacterium <em>Cyanothece</em> sp. bloom in Lake St Lucia, South Africa

    Item type: Journal Article • Journal: African Journal of Marine Science
    Worldwide, persistent cyanobacterial blooms are becoming more frequent and are often associated with effects of global climate change. In June 2009, a widespread bloom of the unicellular cyanobacterium, Cyanothece sp., appeared in North Lake and False Bay of Lake St...
  8. Paraffin poisoning in children: What can we do differently?

    Paraffin poisoning in children: What can we do differently?

    Item type: Journal Article • Journal: South African Family Practice
    Background: The purpose of this study was to describe the occurrence, health cost and management of paraffin poisoning in a rural South African hospital.
  9. The caregiver experience: a South African perspective on caring for people with multiple sclerosis

    The caregiver experience: a South African perspective on caring for people with multiple sclerosis

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study explored the lived experiences of caregivers of people with multiple sclerosis (MS) with regard to their daily challenges, as well as the resources which help them to cope with their caregiving task. Participants were eight South African men...
  10. Conditions frequently self-treated with herbal remedies by patients visiting a tertiary hospital in Gauteng, South Africa

    Conditions frequently self-treated with herbal remedies by patients visiting a tertiary hospital in Gauteng, South Africa

    Item type: Journal Article • Journal: South African Family Practice
    Background: Herbal medications are used worldwide for a variety of diseases and conditions. Patients often elect not to disclose their herbal use history, or health care practitioners fail to enquire about specific alternative therapy. The aim of this study was...