highly significantp < 0.001
Yield exhibited highly significant correlations with petiole diameter ( r = 0.78, p < 0.001) and leaf width ( r = 0.75, p < 0.01), Leaf width was significantly positively correlated with the other three indexes ( r = 0.75–0.83, p < 0.01), indicating that leaf width played an important role in the growth of konjac plants.