Faculty of Natural and Agricultural Sciences
School of Agricultural and Food Sciences
Department of Plant Production and Soil Science
Sustainable plant production - Research Output
Research articles in refereed specialist journals:
Mellet (Mostert) MA, Schoeman AS, Broodryk SW, Hofs J-L: 2004. Bollworm (Helicoverpa armigera (Hübner), Lepidoptera: Noctuidae) occurrences in Bt- and non-Bt-cotton fields, Marble Hall, Mpumalanga, South Africa. African Entomology, 12 (1), pp 107-115.
Annandale JG, Jovanovic NZ, Campbell GS, du Sautoy N, Lobit P: 2004. Two-dimensional solar radiation interception model for hedgerow fruit trees. Agricultural and Forest Meteorology, 121, pp 207-225.
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.
Weber JB, Wilkerson GG, Reinhardt CF: 2004. Calculating pesticide sorption coefficients (Kd) using selected soil properties. Chemosphere, 55, pp 157-166.
Yeshitela T, Robbertse PJ, Fivas J: 2004. Effects of fruit thinning on 'sensation' mango (Mangifera indica) trees with respect to fruit quantity, quality and tree phenology. Experimental Agriculture, 40, pp 433-444.
Reinhardt CF, Kraus S, Walker F, Foxcroft L, Robbertse PJ, Hurle K: 2004. The allelochemical parthenin is sequestered at high level in capitate-sessile trichomes on leaf surfaces of Parthenium hysterophorus. Journal of Plant Diseases and Protection, (19), pp 253-261.
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.
Yeshitela T, Robbertse PJ, Stassen PJC: 2004. Effects of various inductive periods and chemicals on flowering and vegetative growth of 'Tommy Atkins' and 'Keitt' mango (Mangifera indica) cultivars. New Zealand Journal of Crop and Horticultural Science, 32 (2), pp 209-215.
Yeshitela T, Robbertse PJ, Stassen PJC: 2004. Paclobutrazol suppressed vegetative growth and improved yield as well as fruit quality of 'Tommy Atkins' mango (Mangifera indica) in Ethiopia. New Zealand Journal of Crop and Horticultural Science, 32, pp 281-293.
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.
Wu HC, du Toit ES: 2004. Reducing oxidative browing during in vitro establishment of Protea cynaroides. Scientia Horticulturae, 100 (1), pp 355-358.
du Toit ES, Robbertse PJ, Niederwieser JG: 2004. Plant carbohydrate partitioning of Lachenalia cv. Ronina during bulb production. Scientia Horticulturae, 102 (4), pp 433-440.
du Toit CJL, van Niekerk WA, Rethman NFG, Coertze RJ: 2004. The effect of type and level of carbohydrate supplementation on intake and digestibility of Atriplex nummularia cv. De Kock. South African Journal of Animal Science, 34 (5), pp 35-37.
Havenga CJ, van Niekerk WA, Rethman NFG, Coertze NJ: 2004. Certain qualitative characteristics of Boscia foetida at different sites in South Africa. South African Journal of Animal Science, 34 (5), pp 62-64.
van der Baan A, van Niekerk WA, Rethman NFG, Coertze RJ: 2004. The determination of digestibility of Atriplex nummularia cv. De Kock (Oldman's saltbush) using different in vitro techniques. South African Journal of Animal Science, 34 (5), pp 95-97.
van Niekerk WA, Vermaak PJ, Rethman NFG, Coertze RJ: 2004. Comparison of chemical composition of Atriplex spp. grown under South African conditions with regard to site, species and plant parts. South African Journal of Animal Science, 34 (5), pp 98-100.
van Niekerk WA, Sparks CF, Rethman NFG, Coertze RJ: 2004. Interspecies and location variation in oxalic acid concentrations in certain Atriplex species and Cassia sturtii. South African Journal of Animal Science, 34 (5), pp 101-104.
van Niekerk WA, Sparks CF, Rethman NFG, Coertze RJ: 2004. Mineral composition of certain Atriplex species and Cassia sturtii. South African Journal of Animal Science, 34 (5), pp 105-107.
Sparks CF, van Niekerk WA, Rethman NFG, Coertze RJ: 2004. Qualitative characteristics of some Atriplex species and Cassia sturtii at two sites in South Africa. South African Journal of Animal Science, 34 (5), pp 108-110.
Wilcock TE, van Niekerk WA, Rethman NFG, Coertze RJ: 2004. A comparison of Cassia sturtii, Tripteris sinuatum and Sutherlandia microphylla, - three fodder shrubs applicable to revegetation of degraded rangeland in the Northern Cape Province. South African Journal of Animal Science, 34 (5), pp 114-116.
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.
Kanyomeka L, Reinhardt CF: 2004. Ultrastructural changes caused by metazachlor on maize seedling leaves and root cells. South African Journal of Plant and Soil/Suid-Afrikaanse Tydskrif vir Plant en Grond, 21 (1), pp 38-47.
Bezuidenhout JL, Robbertse PJ: 2004. Verband tussen lentiselverkleuring, harssamestelling en struktuur van lentiselle by enkele mangokultivars. South African Mango Growers' Association Journal, 11, pp 19-23.
Kaiser C, Westgate PEC, Helm G: 2004. Effect of mineral element concentrations on lenticel damage of mango (Mangifera indica L.) fruit in Mpumalanga Province, South Africa. South African Mango Growers' Association Journal, 11, pp 24-30.
Hassen A, Pieterse PA, Rethman NFG: 2004. Effect of pre-planting seed treatment on dormancy breaking and germination of Indigoferaaccessions. Tropical Grasslands, 38, pp 154-157.
Chapters in books:
Voigt PW, Rethman NFG, Poverene MM: 2004. Lovegrasses. In Warm-Season (C4) Grasses, (32), American Society of Agronomy, Inc., Crop Science Society of American, Inc, Soil Science Society of American, Inc.,Madison, Wisconsin USA Publisers, pp 1027-1056.
Loch DS, Rethman NFG: 2004. Rhodesgrass. In Warm-Season (C4) Grasses, (25), American Society of Agronomy, Inc., Crop Science Society of American, Inc, Soil Science Society of American, Inc.,Madison, Wisconsin USA Publisers, pp 833-871.
Research and technical/policy output for clients:
Korsten L, Kaiser C: Technical Report: 2004. Brief discussion of current SAAGA funded projects. For: South African Avocado Grower's Association.
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