Fig 2. Hypothetical changes in the rate constant k_i,g(t) during fruit growth as a function of parameter m_i.

k_i,g(t) = k _i,g*SDW^mi, with k _i,g arbitrarily equal to 10 and SDW (pulp structural dry weight) taking values of the PL cultivar. The different values of m_i correspond to the following situations: m_i<0: enzyme inhibition exceeds the increase in the number of mitochondria; m_i = 0: enzyme inhibition compensates for the increase in the number of mitochondria; 0<m_i<1: enzyme inhibition under-compensates for the increase in the number of mitochondria; m_i>1: activation of enzyme along with the increase in the number of mitochondria.