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Comparative morphologies of A. annua and A. hypogaea Hull III hairy roots.
| A. annua | |||
|---|---|---|---|
| Root feature | −root hairs | +root hairs | A. hypogaea |
| Primary root diameter (µm) | 500 | 1,000–3,500 | 1,200 |
| Lateral root diameter (µm)a | 300 | 750 | |
| Root hairs | Profuse in elongation zone | None | |
| Liquid retention ratiob | 0.570 | 0.333 | |
 |
 |
||
Does not include any root hair extension.
Weight of water coating divided by blotted fresh weight of root.
