Figure 1. Phenotype of kn Seedlings
(a) Wild-type (left ) and kn seedling (right ).
(b) kn seedling stained with methylene blue (0.05%).
Cotyledons (c ) and root hairs (rh ) are indicated.
(c) kn seedling (dark-field optics); bc , bloated cells.
(d–e) Vascular strands in the hypocotyl of kn.
(d) and wild-type (e) seedlings (dark field optics).
(f–g) Distribution of chlorophyll in cotyledons of kn (f) and wild type (g).
(h–i) Distribution of anthocyanin in cotyledons of kn fus (h) and fus (i) mutants; asterisk indicates surface cell containing anthocyanin. All panels except (a) are shown to scale.
[from Lukowitz et al. 1996]