Figures & data
Figure 1. Yam-producing region of Nigeria.
Figure 2. Monthly rainfall and temperature during the cropping seasons of 2015 and 2016 in Abuja, Nigeria.
Figure 3. Field emergence of whole seed and minisetts of different sizes of yam, Dioscorea rotundata.
Figure 4. Disparity in growth attributable to the long duration of plant emergence in a plot planted with 45 g yam minisetts. Plant “y” has five small leaves, whereas plant “x” has more than 50 large leaves.
Table 1. Analysis of variance [sum of squares (S.S.) and mean squares (M.S.)] for the yield and yield-related traits of seed yam produced from different sizes of whole seed tubers and minisetts in Abuja, Nigeria during the 2015 and 2016 cropping seasons.
Table 2. The performance of whole seed tubers and minisetts of different sizes on seed yam yield and yield-related traits in Abuja, Nigeria during the 2015 and 2016 cropping seasons.
Table 3. Interactions between whole seed, minisetts and size on the yield and yield-related traits of seed yam in Abuja, Nigeria during the 2015 and 2016 cropping seasons.
Figure 5. Percentage of seed tubers of different categories produced from whole seed tubers or minisetts of various sizes.
