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Table 2 Results of morphology examination of the B. napus and B. rapa varieties and the F1 hybrids

From: Morphological and genetic characteristics of F1 hybrids introgressed from Brassica napus to B. rapa in Taiwan

 Rossette leavesStem leavesPlant height (cm)cBlooming period (days)d
ColouraWaxbLobebColouraWaxbLobeb
Parents
 M1 (♀)1 (50%)e1 (66.7%)1 (100%)1 (96.7%)1 (100%)1 (100%)129.7 ± 16.7Kf13.7 ± 6.4H
2 (50%)2 (33.3%) 2 (3.3%)      
 M2 (♀)1 (50%)1 (66.7%)1 (100%)1 (96.7%)1 (100%)1 (100%)159.7 ± 15.5K23.1 ± 7.1H
2 (50%)2 (33.3%) 2 (3.3%)      
 M3 (♀)1 (6.7%)1 (60%)1 (100%)2 (20%)1 (100%)1 (100%)90.83 ± 12.6L19.1 ± 5.2G
2 (23.3%)2 (40%) 3 (80%)      
3 (70%)         
 P1 (♂)3 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)215.4 ± 12.0FG34.2 ± 8.8B
 P2 (♂)3 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)198.9 ± 31.5H29.6 ± 7.9CDE
 P3 (♂)3 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)201.5 ± 12.1H31.9 ± 7.9BCD
 P4 (♂)3 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)220.7 ± 14.7CDEFG31.3 ± 8.4BCD
 P5 (♂)3 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)166.8 ± 11.2I26.5 ± 5.6EF
F1 hybrids (♀ × ♂)          
 M1 × P13 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)228.6 ± 23.5ABC35.0 ± 11.9B
 M1 × P22 (20%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)230.5 ± 16.3AB32.9 ± 9.1BC
3 (80%)         
 M1 × P32 (10%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)221.4 ± 22.8BCDEFG31.5 ± 6.5BCD
3 (90%)         
 M1 × P43 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)219.4 ± 15.7DEFG33.9 ± 7.8B
 M1 × P52 (56.7%)2 (100%)2 (100%)2 (20%)2 (100%)1 (100%)161.9 ± 12.6I18.6 ± 5.6G
 3 (43.3%)  3 (80%)      
 M2 × P13 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)228.0 ± 12.1ABCD39.4 ± 7.9A
 M2 × P23 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)215.2 ± 18.2FG33.4 ± 6.7B
 M2 × P32 (3.3%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)234.0 ± 14.6A34.4 ± 7.7B
 3 (96.7%)         
 M2 × P42 (3.3%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)214.2 ± 23.9G33.8 ± 6.5B
 3 (96.7%)         
 M2 × P52 (13.3%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)158.7 ± 24.7IJ20.9 ± 6.4G
 3 (86.7%)         
 M3 × P13 (100%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)223.6 ± 11.8BCDEF28.7 ± 6.9DEF
 M3 × P22 (3.3%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)225.2 ± 18.7ABCDE33.2 ± 7.4BC
 3 (96.7%)         
 M3 × P32 (3.3%)1 (56.7%)2 (100%)2 (6.7%)2 (100%)1 (100%)216.6 ± 22.3EFG27.0 ± 8.4EF
 3 (96.7%)2 (43.3%) 3 (93.3%)      
 M3 × P43 (100%)1 (3.3%)2 (100%)3 (100%)2 (100%)1 (100%)198.8 ± 9.9H25.6 ± 8.6F
  2 (96.7%)        
 M3 × P51 (3.3%)2 (100%)2 (100%)3 (100%)2 (100%)1 (100%)151.6 ± 22.3J17.2 ± 5.1GH
2 (20%)         
3 (76.7%)         
  1. Morphology of “Nongxing 80 days” (M1), “Wansheng rape” (M2), “Edible rape” (M3), “Deza oil No. 18” (P1), “Gueiza No. 4” (P2), “Zhong oil No. 36” (P3), “Wan oil No. 25” (P4), “FTHEB 1001” (P5) varieties, and the resultant F1 hybrids were investigated in the field
  2. aRosette and stem leaf colour were grouped by RHS Colour Chart: 1 (shine green/143A), 2 (dull green/138B), and 3 (dark green/137A or N137A)
  3. bLobed leaf and wax texture were indicated as 1 (absent) or 2 (present)
  4. cPlant height were investigated in full flower
  5. dBlooming period were recoded from the first flowering to wilting of all flowers
  6. ePercentage in the parentheses indicated the number of observed morphology divided by the total observation number (n = 30)
  7. fMean ± standard error (n = 30). Means within each column followed by the same letter(s) are not significantly different at 5% level by Fisher’s protected least significant difference test