EFFECTS OF FRUIT THINNING ON ‘SENSATION’ MANGO (MANGIFERA INDICA) TREES WITH RESPECT TO FRUIT QUANTITY, QUALITY AND TREE PHENOLOGY von YESHITELA, T., ROBBERTSE, P. J., FIVAS, J.

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Differences in salinity tolerance for growth and water-use efficiency in some amaranth (Amaranthus spp.) genotypes von Omamt, E. N., Hammes, P. S., Robbertse, P. J.

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Paclobutrazol suppressed vegetative growth and improved yield as well as fruit quality of 'Tommy Atkins' mango (Mangifera indica) in Ethiopia von Yeshitela, Teferi, Robbertse, P. J., Stassen, P. J. C.

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Plant carbohydrate partitioning of Lachenalia cv. Ronina during bulb production von du Toit, E.S., Robbertse, P.J., Niederwieser, J.G.

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The effect of natural long-term packaging methods on antioxidant components and malondialdehyde content and seed viability Moringa oleifera oilseed von Fotouo-M, H., Vorster, J., du Toit, E.S., Robbertse, P.J.

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Effects of growth and storage temperature on Lachenalia cv. Ronina bulb morphology von du Toit, E.S, Robbertse, P.J, Niederwieser, J.G

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Origin of the Coleorhiza in Cycad Seedlings and its Structural Homology with That of the Poaceae von Robbertse, Hannes P.J, Grobbelaar, Nat, du Toit, Elsa

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Predicting seedling emergence of cabbage and onion using vigour tests von Fessehazion, M.K., Marais, D., Robbertse, P.J.

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Temperature regime during bulb production affects foliage and flower quality of Lachenalia cv. Ronina pot plants von du Toit, E.S., Robbertse, P.J., Niederwieser, J.G.

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Organographic and anatomical evidence that the edible storage organs of Plectranthus esculentus N.E.Br. (Lamiaceae) are stem tubers von Allemann, J., Robbertse, P.J., Hammes, P.S.

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Potassium nitrate and urea sprays affect flowering and yields of 'Tommy Atkins' (Mangifera indica) mango in Ethiopia von Yeshitela, T., Robbertse, P. J., Stassen, P. J.C.

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Aspects relating to seed production in Gloriosa superba L von Le Roux, L.G., Robbertse, P.J.

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Improving rooting of Lobostemon fruticosus L. cuttings with delayed auxin treatment von Lodama, K.E., du Toit, E.S., Steyn, J.M., Araya, H.T., Prinsloo, G., du Plooy, C.P., Robbertse, P.J.

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Effects of various inductive periods and chemicals on flowering and vegetative growth of 'Tommy Atkins' and 'Keitt' mango (Mangifera indica) cultivars von Yeshitela, T., Robbertse, P. J., Stassen, P. J. C.

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Cycad collicles (“leaflet nodules”) von Grobbelaar, N., Robbertse, P.J.

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Tuber ontogeny, morphology and vegetative reproduction of Gloriosa superba L von le Roux, L.G., Robbertse, P.J.

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The criteria of measurement of the inorganic acid test of pollen viability von van Gelderen, E., Fossey, Annabel, Robbertse, P.J.

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Gender expression and inflorescence structure of Pappea capensis Eckl. and Zeyh. (Sapindaceae) von Robbertse, P.J., Du Toit, E.S., Cloete, M.O.

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Internal quality of 'Valencia' orange fruit as influenced by tree fruit position and winter girdling von Freeman, T. (Agricultural Research Council, Nelspruit (South Africa). Tropical and Subtropical Crops Inst.), Robbertse, P.J

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An anatomical study of ovary-to-cuke development in consistently low-producing trees of the 'Fuerte' avocado (Persea americana Mill.) with special reference to seed abortion von Steyn, E.M.A. (Pretoria Univ. (South Africa). Margaretha Mes Inst., Dept. of Botany), Robbertse, P.J, Smith, D

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