Faculty of Natural and Agricultural Sciences
School of Agricultural and Food Sciences
Department of Plant Production and Soil Science
Hammes, PS
MSc(Agric) DSc(Agric)(Pret) - Professor
Contact Details
Research Interests
Research Output
Contact Details:
Telephone number: 012 420 3219
Fax number: 012 420 4120
E-mail address: phammes@postino.up.ac.za
Research Interests:
The morphology and ultrastructure of the epidermis of leaves and fruit
Sustainable plant production
Soil water relations and plant water use
Research Output:
Research articles in refereed specialist journals:
Belehu T, Hammes PS, Robbertse PJ: 2004. The origin and structure of adventitious roots in sweet potato (Ipomoea batatas). Australian Journal of Botany, 52, pp 551-558.
Bayu WM, Rethman NFG, Hammes PS: 2004. The role of animal manure in sustainable soil fertility management in sub-Saharan Africa: A Review. Journal of Sustainable Agriculture, 25 (2), pp 113-136.
Tekalign T, Hammes PS: 2004. Response of potato grown under non-inductive condition to paclobutrazol: shoot growth, chlorophyll content, net photosynthesis, assimilate partitioning, tuber yield, quality, and dormancy. Plant Growth Regulation, 43, pp 227-236.
Belehu T, Hammes PS: 2004. Effect of temperature, soil moisture content and type of cutting on establishment of sweet potato cuttings. South African Journal of Plant and Soil/Suid-Afrikaanse Tydskrif vir Plant en Grond, 21 (2), pp 85-89.
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