Search
Search results for
We found
3 results for you
-
Pruimonderstamme: Verdere evaluaste van plaaslik-geteelde klone
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.H. Acker --- , Republiek van Suid-Afrika F.J. Calitz --- , Republiek van Suid-AfrikaDrie-en-twintig plaaslik-geteelde pruimonderstamseleksies is met virusvrye, klonale Marianna, virusbesmette Marianna en perskesaailing vergelyk. In teenstelling met perskesaailing wat oorwegend Kakamas en Du Plessis is, word hierdie seleksies vegetatief vermeerder. Kumulatiewe opbrengs, stamomtrek en opbrengsdoeltreffendheid is as maatstawwe vir vergelyking gebruik... -
Apparatus for non-destructive measurement of grapevine trunk cross-sectional area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.A. Myburgh --- , South Africa F. Coetzee --- , South AfricaMeasuring sap flow in grapevine trunks, using the heat pulse velocity technique, requires accurate, non-destructive measurement of trunk cross-sectional areas. A profile measuring apparatus (PMA) was constructed to improve the accuracy of these measurements, particularly for irregular cross-sections. The low-cost... -
Effect of rootstock on ‘Forelle’ pear (Pyrus communis L.) growth and production
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael North --- Agricultural Research Council Infruitec-Nietvoorbij, South Africa Kobus de Kock --- Agricultural Research Council Infruitec-Nietvoorbij, South Africa Mardé Booyse --- Agricultural Research Council Infruitec-Nietvoorbij, South AfricaEuropean pears (Pyrus communis L.) are predominantly planted either on pear (P. communis) or quince (Cydonia oblonga L.) rootstocks. High-density commercial pear orchards require dwarfing rootstocks and the South African selections BP1 and BP3 were considered too vigorous. The growth...