Cycad collicles (“leaflet nodules”) von Grobbelaar, N., 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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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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Study on the effect of temperature and flower age on flowering, pollen performance and stigma receptivity of Moringa oleifera Lam von Manduwa, D.M., Du Toit, E.S., Robbertse, P.J.

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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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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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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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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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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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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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An evaluation of bulb growth and structure of Lachenalia cv. Ronina bulbs von du Toit, E.S., Robbertse, P.J., Niederwieser, J.G.

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Effect of temperature on the growth of Lachenalia cv. Ronina during the bulb preparation phase von Du Toit, E.S, Robbertse, P.J. (Pretoria Univ. (South Africa). Plant Production and Soil Science Dept.), Niederwieser, J.G

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Moringa oleifera (Horseradish tree) leaf adaptation to temperature regimes von Muhl, Q.E. (University of Pretoria (South Africa). Dept. of Plant Production and Soil Science), Toit, E.S.D. (University of Pretoria (South Africa). Dept. of Plant Production and Soil Science), Robbertse, P.J. (University of Pretoria (South Africa). Dept. of Plant Production and Soil Science)

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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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Effect of leaf-section position and physiological stage of the donor plant on Lachenalia leaf-cutting performance von Ndou, A.M, Niederwieser, J.G. (Agricultural Research Council, Pretoria (South Africa). Roodeplaat Vegetable and Ornamental Plant Inst.), Robbertse, P.J

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Low temperature treatment advances flowering in Clivia miniata (Lindley) Regel von Honiball, C.B, Robbertse, P.J. (Pretoria Univ. (South Africa). Plant Production and Soil Science Dept.)

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Preliminary investigation on the potential of Clivia miniata Regel as a cut flower von Robbertse, P.J, Honiball, C.B. (Pretoria Univ. (South Africa). Dept. of Plant Production and Soil Science)

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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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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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Is aril development in the litchi triggered by pollen tube growth? von Steyn, Elsie M.A., Robbertse, P.J.

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