diff --git a/Initiate.jl b/Initiate.jl
index 16091f598043d72b188d5909e236256bd2ca0f8d..5b9186c9faf960804436d609582617257aafd99d 100644
--- a/Initiate.jl
+++ b/Initiate.jl
@@ -48,7 +48,7 @@ module Initiate
                     plant_number = plant_number,
                     order = 0,
                     cumul_phyt_nr = 0,
-                    age_dd = sp.plastochron[species])
+                    age_dd = 0.0)
 
         rfr_sensor_length = 0.01
         rfr_sensor_width = 0.04