Articles by Author: Brian F Allan

Search results for Brian F Allan

We found 93 results for you
  1. GPS tracking cattle as a monitoring tool for conservation and management

    GPS tracking cattle as a monitoring tool for conservation and management

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    The emergence of GPS technology has resulted in significant advances in the ease and flexibility of studying animal movement patterns, yet barriers remain to the widespread use of GPS units for animal tracking. Here, we developed a low-cost, logistically simple...
  2. BOOK REVIEW

    Item type: Journal Article • Journal: South African Forestry Journal
  3. Sawlog Class Proportions of <em>Pinus radiata</em>

    Item type: Journal Article • Journal: South African Forestry Journal
    Tabular values of proportions of tree volume expected to fall into particular log classes were used to estimate the parameters of equations for prediction of the log class proportions of P. radiata. No new information is presented, but equations to...
  4. Book Review

    Item type: Journal Article • Journal: South African Forestry Journal
  5. Effect of paclobutrazol on vegetative growth in citrus nursery trees

    Effect of paclobutrazol on vegetative growth in citrus nursery trees

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Two foliar sprays of paclobutrazol applied at four different concentrations, viz. 50,100, 200 and 500 mg a.i. l−1 on Citrus volkameriana (Ten. & Parq.) under greenhouse conditions, showed that concentrations of 100 mg l−1and above are suitable for reducing undesirable...
  6. Macadamia cultivar evaluation in Natal

    Macadamia cultivar evaluation in Natal

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Vegetatively propagated macadamia cultivars were grown in six ecologically different areas in Natal. Nut quality was tested over a number of years. The warm, moist north coast area is best for most cultivars tested with Keaau, Ka'u, Kakea and Beaumont...
  7. Comparative effects of daminozide, dikegulac-sodium, paclobutrazol and uniconazole on the plant height of <em>Petunia hybrida</em>

    Comparative effects of daminozide, dikegulac-sodium, paclobutrazol and uniconazole on the plant height of <em>Petunia hybrida</em>

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Two experiments were carried out on ‘Bonanza’ and ‘Velvet Carpet’ petunia seedlings using four growth regulators (daminozide, dikegulac-sodium, paclobutrazol and uniconazole) at four different concentration levels and three application frequencies. The aim of these experiments was to determine which treatments...
  8. Seasonal variations in carbohydrate content of <em>Carica papaya</em> plants

    Seasonal variations in carbohydrate content of <em>Carica papaya</em> plants

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Monthly samples were collected of roots, stems, petioles and leaf blades of clonal female ‘Honey Gold’ papaw (Carica papaya L.) plants, in the cool subtropical Pietermaritzburg area, to study any seasonal variations in carbohydrate content of this tropical plant which...