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. 2012 Nov 30;5:pls046. doi: 10.1093/aobpla/pls046

Table 1.

Morphological aspects of M. esculenta lines SM 1219-1, TMS 660444 and HMC 1.

Observed character Details SM 1219-9 TMS 660444 HMC 1
Branch height at flowering (cm) Main stem 122.2 (4.2)*a 46.2 (2.2) 68.0 (3.3)
First branch 177.5 (4.9) 88.3 (3.1) 112.2 (3.9)
Second branch 247.0 (2.9) 178.0 (4.3) 148.5 (3.8)
Flowering phenology (days) Initiation of inflorescence after field planting 147.0 (1.1) 137.6 (1.7) 135.7 (2.8)
Opening of first female cyathium 25.1 (1.1) 25.8 (0.9) 24.0 (1.8)
Female phase 1.0 (0.2) 1.0 (0.2) 1.0 (0.3)
Opening of first male cyathium 28.5 (0.7) 29.5 (0.8) 29.9 (1.3)
Male phase 12.8 (0.7) 13.8 (0.3) 9.0 (0.3)
Flower life span (days) Male cyathium 11.8 (0.4) 11.4 (0.2) 9.8 (0.2)
Female cyathium 9.6 (0.4) 9.5 (0.3) 9.0 (0.5)
Inflorescence architecture (number) Branches 4.9 (0.1) 4.3 (0.3) 3.9 (0.5)
Male cyathia 139.7 (7.3) 49.5 (2.8)§ 26.1 (1.7)§
Female cyathia 6.9 (0.2) 6.5 (0.2) 4.9 (0.2)
Hermaphrodite cyathia 0.04 (0.02) 0.03 (0.02) 0.2 (0.04)
Flower morphology Colour Green Yellowish green Reddish green
Number of anthers per male cyathia 10 10 10
Number of ovules per female cyathia 3 3 3
Pollen to ovule ratio 606 616 577
Stamen size (length in mm) in different whorls External filament 6.63 (0.05) 7.27 (0.1) 7.09 (0.14)
Internal filament 3.61 (0.04) 4.9 (0.17) 4.43 (0.11)
External anther 2.49 (0.02) 2.52 (0.03) 2.40 (0.03)
Internal anther 2.41 (0.02) 2.42 (0.02) 2.39 (0.03)
Pollen quantity External anther 185.2 (2.3) 190.1 (2.3) 176.8 (2.4)
Internal anther 178.0 (2.1) 179.58 (2.5) 167.6 (2.6)
Average number of pollen grains per flower 1815.8 (29.2) 1848.6 (32.8) 1722.4 (34.1)

Different symbols within a row indicate significantly different values at P < 0.001.

aValues averaged and standard error in parentheses.