% of Rings That Contained at Least One Guard Cell (Observed, Predicted^{a})^{b} | |||
---|---|---|---|
Organ | Ring 1 | Ring 2 | Ring 3 |
Cotyledon | 0.5, 42^{c} | 73, 83 | 80, 98 |
First leaf | 0.4, 45^{c} | 53, 75^{c} | 100, 99 |
↵^{a} See Methods for formula.
↵^{b} The first ring consisted of all cells adjacent to the selected stoma. The second ring included all cells in contact with and outside of the first ring, etc. A total of 300 first rings, 100 second rings, and 20 third rings were scored.
↵^{c} What was observed was significantly different from what was predicted (P < 0.05).