Fig. 12
Pearson’s correlation coefficients for tuber yield and related traits tested under variable plant spacing and flower removal or retention conditions. Positive correlation is indicated by intense orange colour and negative correlation by intense blue colour. a): correlation analysis for tuber traits between spacing and deblossoming treatments. b): correlation analysis for tuber and pod traits between spacing and flower retention treatment. TL: tuber length, TG: tuber girth, TPP: tubers per plant, TYPP: tuber yield per plant, TY: total tuber yield/ha, FW: fresh weight of tuber, PL: green pod length, PW: green pod weight.
