Table 1. Comparison of mean cell size and number in cross sections through the middle of normal and galled needles of the same age. (Aug. 1,1972) | ||
Normal needle | Galled needle | |
---|---|---|
No. epidermal cells | 151 | 300 |
No. cells inside endodermis | 402 | 501 |
No. endodermal cells | 27 | not recognizable |
No. cells outside endodermis | 558 | 1,527 |
No. cells total | 987 | 2,028 |
Area outside endodermis (mm)2 | 0.54 | 8.29 |
Diameter of average cell outside endodermis (mm) | 3.25 x 10-2 | 8.31 x 10-2 |
Volume of average cell outside endodermis (mm)3 | 2.30 x 10-5 | 30.10 x 10-5 |
X-fold increase. in volume of average cell outside endodermis | 1 | 13.1 |