Genetic Diversity and Association of Yield-Related Traits in Taro (Colocasia esculenta (L.) Schott) Sourced from Different Agroecological Origins of Nigeria
Table 2
Quantitative descriptors for agromorphological characterization of taro accessions.
Descriptor
Code
Description
Number of leaves per plant
NLPP
All leaves were counted from plant emergence to 150 days after planting (DAP)
Plant height (cm)
PHt
Measured from collar region to the attachment point between the leaf petiole and the lamina of the tallest leaf by ruler
Petiole length (cm)
PL
Measured from base of the petiole to the attachment point of the tallest leaf by ruler
Leaf length (cm)
LL
Measured at longest point in two large sized leaves by ruler
Leaf breadth (cm)
LB
Measured at widest point in two large sized leaves by ruler
Leaf area
LAI
Calculated as L × W × 0.75
Number of sucker’s per plant
NSPP
All suckers counted
Days to maturity (days)
DM
Calculated by counting the number of days taken from planting to final harvest of the crop
Yield per plant (kg)
YPP
Weighed all corm and cormels obtained from each plant by sensitive scale
Corm weight (g)
COW
Weighed by sensitive balance
Corm length (cm)
COL
Measured from the distal end of the corm to the proximal end, where the outer leaf petiole is attached to the corm by calliper
Corm diameter (cm)
COD
Measured at the maximum circumference of the corm using calliper
Cormel weight (g)
CRW
Weighed by sensitive balance
Cormel length (cm)
CRL
Measured from the distal end to the proximal end of the cormel by calliper
Cormel diameter (cm)
CRD
Measured at the maximum circumference of the cormel by calliper
Total yield (t ha−1)
TY
Yield per plot converted to yield per hectare (t ha−1)