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. 2018 Jul 24;40(5):226–231. doi: 10.1016/j.pld.2018.07.005

Fig. 4.

Fig. 4

Effect of root contact with a conspecific seedling on spontaneous haustorium formation and lateral root development by Pedicularis kansuensis in water agar (0.8%) amended with 2% sucrose. (A) Number of seedlings grown singly on an agar plate or stacked with another seedling observed for occurrence of spontaneous haustoria (SH), (B) number of spontaneous haustoria per seedling with haustoria. (C) Number of lateral roots per seedling. Data for number of spontaneous haustoria and lateral roots per seedling are presented as mean ± SE (n = 18, one single seedling per plate for control and two seedlings stacked together per plate for root contact treatment).