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Figure 3.1: The colour and structure <strong>of</strong> samples 1 and 2. Horizontal bar = 20 mm. Soil sampling and analysis The texture test revealed that sample 1 is a clay soil due to its high content <strong>of</strong> particles smaller than
Soil sampling and analysis Table 3.1: Analysis results for two soil samples from the Nieuwoudtville Wildflower Reserve (19° 8’ E, 31° 24’ S). Water Total N Test Test parameters Sample 1 Sample 2 Texture pH Fertility density Inorg. N Salinity content & C Sand % 31 63 Fine Silt % 16 18 Clay % 54 19 Wet weight (g) 439.3 392.0 Dry weight (g) 393.5 384.7 Water content (%) 10.4% 1.9% Measured with fertility density 6.66 4.94 Measured with soil salinity 7.30 4.99 Personal test 7.81±0.05 6.72±0.5 Sample density (g/ml) 1.13 1.23 Phosphorous (%) 0.0003 0.0022 Potassium (%) 0.0337 0.0246 Calcium (%) 0.8796 0.0681 Magnesium (%) 0.1587 0.0264 Exchangeable acidy (cmol/l) 0.06 0.05 Total cations 57.88 6.25 Zinc (%) 0.0004 0.0006 Manganese (%) 0.0002 0.0003 Copper (%) 0.0003 0.0002 MIR clay (%) 19 12 MIR organic Carbon (%)
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Propagation of Romulea species Pier
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Contents 2.7 GERMINATION PHYSIOLOGY
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Contents 5.3.1 Explants from seedli
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Abstract The suitability of various
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Declarations I Pierre André Swart,
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Declarations DETAILS OF CONTRIBUTIO
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Publications from this thesis ASCOU
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List of Figures Figure 2.13: Suther
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was significantly different from th
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List of Tables Table 2.1: Names of
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List of Abbreviations 2,4-D 2,4-Dic
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Die vlakhaas spits sy oor hy het di
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As die mens dan ook so sy dankbaarh
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Introduction where a great number o
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Introduction The subgenera Romulea
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2 Literature review Leef van daad e
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Literature review Figure 2.2: Life
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Literature review Figure 2.4: Life
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Literature review The plants are sh
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Literature review flowers (DE VOS,
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Literature review often found on cl
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Literature review flowers of R. lei
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Literature review flattened upper s
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2.2.16 Romulea tabularis Literature
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Literature review extinct, R. papyr
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Literature review R. leipoldtii occ
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Literature review Figure 2.8: Calvi
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Literature review Figure 2.14: Fras
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Figure 2.20: Nieuwoudtville weather
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Literature review Figure 2.26: Grah
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Literature review Figure 2.29: Diag
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Literature review Figure 2.30: A te
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Literature review Macronutrients ca
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Literature review The soils of the
Page 69 and 70: Literature review The embryo is the
Page 71 and 72: Literature review Phase 2 is seen a
Page 73 and 74: Literature review endogenous gibber
Page 75 and 76: Literature review tolerable level (
Page 77 and 78: Literature review these channels pe
Page 79 and 80: Literature review 2.8.7 Seed dorman
Page 81 and 82: Literature review the embryo (COPEL
Page 83 and 84: Literature review germinated under
Page 85 and 86: Literature review (COPELAND, 1976).
Page 87 and 88: 2.9 BRIEF REVIEW OF IN VITRO CULTUR
Page 89 and 90: Literature review (DEBERGH, 1994).
Page 91 and 92: Literature review PIERIK (1997) sta
Page 93 and 94: Literature review The distinguishin
Page 95 and 96: Literature review The essential fun
Page 97 and 98: 2.9.3.4 Abscisic acid Literature re
Page 99 and 100: Table 2.6: Example of a matrix to e
Page 101 and 102: Literature review Young embryos req
Page 103 and 104: Literature review and the addition
Page 105 and 106: Literature review organ is then pro
Page 107 and 108: Literature review environmental str
Page 109 and 110: 2.11 IN VITRO FLOWERING Literature
Page 111 and 112: Literature review higher regenerati
Page 113 and 114: Subfamily Ixioideae (continued) Tri
Page 115 and 116: Literature review Table 2.8: Corm i
Page 117 and 118: 3 Investigation into the habitat of
Page 119: Soil sampling and analysis The firs
Page 123 and 124: 4 Germination physiology 4.1 INTROD
Page 125 and 126: 4.2.2 Water content and imbibition
Page 127 and 128: Germination physiology (-N), phosph
Page 129 and 130: Germination physiology rosea seeds
Page 131 and 132: Germination physiology Figure 4.4:
Page 133 and 134: Germination (%) 50 40 30 20 10 0 77
Page 135 and 136: Germination (%) 100 80 60 40 20 0 c
Page 137 and 138: Germination physiology The relative
Page 139 and 140: Germination physiology seeds of R.
Page 141 and 142: 5.2 MATERIALS AND METHODS In vitro
Page 143 and 144: In vitro culture initiation and mul
Page 145 and 146: 5.2.3 Explant comparison In vitro c
Page 159 and 160: 5.4 DISCUSSION In vitro culture ini
Page 163 and 164: 6 In vitro corm formation and flowe
Page 165 and 166: In vitro corm formation and floweri
Page 167 and 168: 6.3 RESULTS 6.3.1 Corm formation In
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In vitro corm formation and floweri
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Commercialization potential of Romu
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Commercialization potential of Romu
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BASKIN, C. C., and BASKIN, J. M. (1
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Literature cited DOWLING, P. M., CL
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Literature cited HILTON-TAYLOR, C.
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Literature cited KUMAR, A., SOOD, A
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Literature cited PIERIK, R. L. M. (
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Literature cited STEINITZ, B., COHE
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