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Table 2 Number of slices, sum of oil droplets and mean number of oil droplets in the root-slices of four cloned elites (CE1, CE2, CE3, CE4), of two root classifications (thin- and thick-rooted), of four root diameter fractions (RF1, RF2, RF3, RF4) and of three horizons (HZ1,HZ2, HZ3)

From: Characterization of essential oil distribution in the root cross-section of Valeriana officinalis L. s.l. by using histological imaging techniques

  Number of root-slices Sum of oil droplets Mean number ± standard deviation of oil droplets per root-slice
Cloned elites
CE1 176 34,665 197 ± 84
CE2 162 43,466 268 ± 149
CE3 171 61,419 359 ± 255
CE4 178 53,666 301 ± 168
Root classification
Thin 338 78,131 231 ± 125
Thick 349 115,085 330 ± 217
Root diameter fractions
RF1 211 37,422 177 ± 87
RF2 195 42,647 219 ± 98
RF3 210 77,602 370 ± 192
RF4 71a 35,545 501 ± 239
Horizons
HZ1 206 68,904 334 ± 225
HZ2 246 74,994 305 ± 184
HZ3 235 49,318 210 ± 107
  1. aThe root diameter fraction was only formed by CE3 and CE4 (Table 1)