Table 1. Average tip extension rate obtained using Eq (2) and relative increase of branch number per hypha during two consecutive observations.

Days after inoculation	3	4	5	7	10	12	14	17
Number of measured tips (Ntip)	–	86	119	132	144	150	190	224
New emerged branch number per hypha φbr	–	0.3	0.3	2.6	1.8	1.4	1.4	0.9
Average extension rate of active tips 〈Rtip〉 (μm/h)	–	11.4	16.6	28.8	15.5	12.7	13.9	5.3