The response of Six Cassava genotypes from the residual inputs (400 kg hectare-1 NPK 15:15:15) on maize was evaluated, for yield potentials, branching patterns and fox stick production at the project farm of Cross River Basin Development Authority, Calabar. The treatment was a Randomized Complete Block Design (RCBD) with three replications at 1m apart. The Vegetative traits measured were Number of Leaf, Stem and Stem Weight (kg) hill-1, Fox stick and Stem Branching Plant-1 (Primary, Secondary, Tertiary, Quarternary, Quinternary), while Yield components were Plant Biomass (kg) Plant-1 and Tuber Hectare-1. Data were subjected to ANOVA and Multivariate on Principal Component Analysis (PCA) for traits assessment. Cassava genotype, TME 30572 gave significantly (p < 0.01) the highest Branching number – Quinternary (3.00) and Fox Stick Number Plant-1 (10.33), than TME-419 (0.67). For Yield, Cassava genotypes Reddish stem–7Broad leaflet, Reddish stem–9Broad leaflet and TMS–30555 (Makossa) gave significant (p < 0.05) higher yields of 53,400 kg ha-1, 41,850 kg ha-1 and 38,400 kg ha-1, than Afia Nma (Yellow stem) - 25,200 kg ha-1. The Multivariate Analysis, reveals that Stem Weight, Branches Number, Plant Biomass and Tuber Yield contributed 34.97% of the existing variability. Therefore, Cassava as a relay crop, effectively utilize the residual soil nutrients, curbs deforestation, sustain industry and livelihood in sub - Saharan Africa.

Keywords: Tuberous manihot esculenta (TME), residual, leaf, branches, fox / stem stick, yield and Nigeria.