Type 1, 2 and 4 are defined in the same way as in Figure 2. Type 20 corresponds to mycorrhizae. If the simulation lasted longer for this parameter set or if we increased the growth rate of mycorrhizae, we could observe a type 50 that correspond to the mycorrhizae ramifications.
Mycorrhizae development
In this section, we present some results of the estimation of the time needed for the establishment of a mycorrhizae relation between two plants.
In all the cases, the distance between the two collars is set to 10.8 cm, corresponding to the distance set in the in-vitro experiment of the American team. We used several root architectures from CRootBox with a different mycorrhizae growth rate.
The first image below represents a mycorrhizae growth rate of 0.08 cm/day, which seems a coherent value for the culture media used in the trial. After the 30 days of the simulation, we did not verify a contact between the two plants. If a response occurs before, we could deduce that it is not due to mycorrhizae effect.