Articles by Author: I Bertling

Search results for I Bertling

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  1. 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...
  2. Overhead irrigation increased winter chilling and floral bud production in <em>Eucalyptus nitens</em>

    Overhead irrigation increased winter chilling and floral bud production in <em>Eucalyptus nitens</em>

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    Eucalyptus nitens requires a sufficiently cold winter to produce flower buds. In areas in South Africa where E. nitens commercial plantations as well as breeding and production seed orchards are located, winter chilling is often insufficient for floral bud initiation...
  3. Effect of production site, storage duration, and hot water and molybdenum dips on bioactive compounds with antioxidant properties in lemon flavedo during cold storage

    Effect of production site, storage duration, and hot water and molybdenum dips on bioactive compounds with antioxidant properties in lemon flavedo during cold storage

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Certain bioactive compounds, such as vitamin E (α-tocopherol), vitamin C (ascorbic acid), β-carotene, polyphenols (e.g. flavonoids and flavonones, viz. hesperidin and naringin) have antioxidant properties and their presence in the citrus flavedo plays a significant role in mitigating oxidative stress,...
  4. Monitoring eucalypt bud temperature using mobile temperature loggers

    Monitoring eucalypt bud temperature using mobile temperature loggers

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    Winter chilling is a key environmental trigger of floral induction in temperate Eucalyptus. Over the past two decades, considerable site × eucalypt flowering interaction research has been undertaken over a range of high elevation (>1 100 m asl) forestry sites in...
  5. Yield and nutritional quality of different short-day onion cultivars as affected by nitrogen application

    Yield and nutritional quality of different short-day onion cultivars as affected by nitrogen application

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Onion is one of the most important vegetable crops in the world, cultivated and consumed for its flavour-enhancing and medicinal properties; hence, comprehensive understanding of crop responses to N application is of immense importance. To determine the effects of different...