Research Article

Identification of Putative Molecular Markers Associated with Root Traits in Coffea canephora Pierre ex Froehner

Table 2

Range and mean values of the morphophysiological parameters in 134 F1 mapping population of Coffea canephora (L1 valley × S.3334).

Serial numberParametersRangeMeanSTDEV

Root traits1Root length (cm2)41.5–83.057.087.29
2Number of secondary roots2–6026.912.61
3Root dry weight (g/plant)2.57–34.6913.776.6
4Root : shoot ratio0.23–0.390.270.03

Morphological traits5Plant height (cm2)13.5–105.372.615.69
6Number of nodes11.0–42.024.086.88
7Number of leaves2–7034.0213.42
8Stem girth (mm)5.88–13.6510.281.79
9Internodal length (cm)1.9–12.58.542
10Specific leaf dry weight (mg/dm2)1.41–2.641.80.22
11Final leaf area (cm2)1136.92–8190.614491.191710.17
12Specific leaf area (cm)378.99–710.97562.4465.34
13Total leaf dry weight (g/plant)5.78–48.5926.0210.43
14Stem dry weight (g/plant)4.81–52.6224.3310.4
15Shoot dry weight (g/plant)10.59–96.6450.3520.63
16Total dry matter (g/plant)11.6–121.4357.9324.77

Gravimetric traits17Leaf area duration (dm2 days)1065.89–7992.774372.521658.04
18Net assimilation rate8.9–19.3813.071.71
19Cumulative water transpiration (lt/plant)2.5–23.510.814.62
20Water use efficiency (g/kg)3.86–6.845.40.58
21Mean transpiration rate (mL/dm2 days)1.5–3.522.440.38
22Delta 13c (mill)19.75–26.5321.81.11

Gas exchange parameters23Photosynthesis (Pn). (mmol/m2/S)5.45–27.2716.93.91
24Transpiration rate () (mg/m2/s)0.71–7.473.381.34
25Conductance (gs) (mmol/m2/s)0.05–10.350.17
26Ci/gs288.76–3484.25859.3405.1
27Ci186.5–296.67247.9824.88
28 A/gs24.06–93.2654.4215.52
29 A/2.63–14.075.521.76