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Table 1 Mean yield in cotyledonary somatic embryos (SEs) of Douglas-fir from 1ry and 2ry embryogenic lines

From: Repetitive somatic embryogenesis induced cytological and proteomic changes in embryogenic lines of Pseudotsuga menziesii [Mirb.]

Line Mean no. of SEs g− 1 f.w.
Primary
 TD17 30 ± 19a
 SD4 478 ± 139c
Secondary
 TD17–1 241 ± 70b
 SD4–2 3131 ± 34e
 SD4–6 1515 ± 297d
 SD4–8 1821 ± 363d
  1. Values are means of 3 biological and 5–6 technical replicates ±95% confidence limits. Significant differences (p < 0.05) in multiple comparisons of means are indicated by different letters