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List of Tables
Table 2.1: Names of the soil separates and the particle diameters which define
them (Modified from DONAHUE et al. (1983)).
Table 2.2: Classification of mineral elements into macro- and micronutients
(Modified from (MARSCHNER, 1995)).
Table 2.3: Organic seed endogenous and exogenous dormancy types
(Modified from BASKIN & BASKIN (1998)).
Table 2.4: Topographic stain evaluation classes for the TTC test (LEADEM,
1984).
Table 2.5: The standard MURASHIGE & SKOOG (1962) formula.
Table 2.6: Example of a matrix to establish optimal auxin to cytokinin ratios
and their concentrations, where the rows represent auxin levels and the
columns represent the cytokinin levels (Modified from Kyte and Kleyn (1996).
Table 2.7: Explant sources and PGR's used by various authors for direct shoot
or meristimoid organogenesis in genera of Iridaceae. Where the
concentrations of PGR's are not mentioned, the study included multiple
species within the genus, each reacted differently to various concentrations. A
question mark indicates that the specific parameter is not included in the
described publication. The genera are grouped phylogenetically, with vertical
text on the right showing classification.
Table 2.8: Corm induction treatments for various genera in Iridaceae. Details
on the media modifications, temperature and the hours of light (Photoperoid)
during corm induction is included. The peroid it took for corms to form is also
given in months. The genera are grouped phylogenetically, with vertical text on
the right showing classification. A question mark indicates that the specific
parameter is not included in the described publication.
Table 3.1: Analysis results for two soil samples from the Nieuwoudtville
Wildflower Reserve (19° 8’ E, 31° 24’ S).
Table 4.1: Seed viability tests of different Romulea species.
Table 4.2: Effect of different treatments on seed germination of four Romulea
species. Asterisk (*) indicates seed germination under 16 h photoperiod at 20
± 0.5°C. The number sign (#) indicates that the seeds initiated germination
during stratification.
Table 5.1: Effect of kinetin and 2,4-D on excised embryos of Romulea
sabulosa. Mean values in a column followed by different letters that indicates
significance differences between treatments according to Duncan’s multiple
range test (P 0.05). S = swelling of embryo; SR = swelling of embryo with
rooting; SSI = swelling of embryo with shoot initials; SRF = shoot and root
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