diff --git a/senescwheat/model.py b/senescwheat/model.py
index 6ca7e44..b38f91a 100755
--- a/senescwheat/model.py
+++ b/senescwheat/model.py
@@ -211,35 +211,29 @@ def calculate_remobilisation_proteins(cls, organ, element_index, proteins, relat
         return remob_proteins, delta_amino_acids, delta_Nresidual
 
     @classmethod
-    def calculate_roots_senescence(cls, mstruct, Nstruct, postflowering_stages):
+    def calculate_roots_senescence(cls, mstruct, Nstruct):
         """Root senescence
 
         :param float mstruct: structural mass (g)
         :param float Nstruct: structural N (g)
-        :param bool postflowering_stages: Option : True to run a simulation with postflo parameter
 
         :return: Rate of mstruct loss by root senescence (g mstruct s-1), rate of Nstruct loss by root senescence (g Nstruct s-1)
         :rtype: tuple [float, float]
         """
-        if postflowering_stages:
-            rate_senescence = parameters.SENESCENCE_ROOTS_POSTFLOWERING
-        else:
-            rate_senescence = parameters.SENESCENCE_ROOTS_PREFLOWERING
-        return mstruct * rate_senescence, Nstruct * rate_senescence
+        return mstruct * parameters.SENESCENCE_ROOTS, Nstruct * parameters.SENESCENCE_ROOTS
 
     @classmethod
-    def calculate_relative_delta_mstruct_roots(cls, rate_mstruct_death, root_mstruct, delta_t):
+    def calculate_relative_delta_mstruct_roots(cls, rate_mstruct_death, root_mstruct, delta_teq):
         """Relative delta of root structural dry matter (g) over delta_t
 
         :param float rate_mstruct_death: Rate of mstruct loss by root senescence (g mstruct s-1)
         :param float root_mstruct: actual mstruct of roots (g)
-        :param float delta_t: value of the timestep (s)
-
+        :param float delta_teq: Temperature-consensated time = time duration at a reference temperature (s)
 
         :return: relative_delta_mstruct (dimensionless)
         :rtype: float
         """
-        return (rate_mstruct_death * delta_t) / root_mstruct
+        return (rate_mstruct_death * delta_teq) / root_mstruct
 
     @classmethod
     def calculate_delta_mstruct_root(cls, rate_mstruct_death, rate_Nstruct_death,  delta_teq):
diff --git a/senescwheat/parameters.py b/senescwheat/parameters.py
index b57fde1..6300ed7 100644
--- a/senescwheat/parameters.py
+++ b/senescwheat/parameters.py
@@ -24,9 +24,7 @@
 
 N_MOLAR_MASS = 14  #: Molar mass of nitrogen (g mol-1)
 
-SENESCENCE_ROOTS_POSTFLOWERING = 3.5E-7 * CONVERSION_FACTOR_20_TO_12  #: Rate of root turnover at 12°C (s-1). Value at 20°C coming from Johnson and Thornley (1985), see also Asseng et al. (1997).
-SENESCENCE_ROOTS_PREFLOWERING = 0
-# TODO: should be ontogenic for vegetative stages, 0 in Asseng 1997, but not null in Johnson and Thornley
+SENESCENCE_ROOTS = 3.5E-7 * CONVERSION_FACTOR_20_TO_12  #: Rate of root turnover at 12°C (s-1). Value at 20°C coming from Johnson and Thornley (1985), see also Asseng et al. (1997).
 
 FRACTION_N_MAX = {'blade': 0.5, 'stem': 0.425}  # Threshold of ([proteins]/[proteins]max) below which tissue death is triggered
 
diff --git a/senescwheat/simulation.py b/senescwheat/simulation.py
index dbfc274..c8b9927 100755
--- a/senescwheat/simulation.py
+++ b/senescwheat/simulation.py
@@ -90,7 +90,7 @@ def run(self, forced_max_protein_elements=None, opt_full_remob=False, postflower
             delta_teq = all_axes_inputs[roots_inputs_id]['delta_teq_roots']
 
             # loss of mstruct and Nstruct
-            rate_mstruct_death, rate_Nstruct_death = model.SenescenceModel.calculate_roots_senescence(roots_inputs_dict['mstruct'], roots_inputs_dict['Nstruct'], postflowering_stages)
+            rate_mstruct_death, rate_Nstruct_death = model.SenescenceModel.calculate_roots_senescence(roots_inputs_dict['mstruct'], roots_inputs_dict['Nstruct'])
             relative_delta_mstruct = model.SenescenceModel.calculate_relative_delta_mstruct_roots(rate_mstruct_death, roots_inputs_dict['mstruct'], delta_teq)
             delta_mstruct, delta_Nstruct = model.SenescenceModel.calculate_delta_mstruct_root(rate_mstruct_death, rate_Nstruct_death, delta_teq)
             # loss of cytokinins (losses of nitrates, amino acids and sucrose are neglected)
diff --git a/test/outputs/desired_roots_outputs.csv b/test/outputs/desired_roots_outputs.csv
index f0afeab..9a0f2d6 100644
--- a/test/outputs/desired_roots_outputs.csv
+++ b/test/outputs/desired_roots_outputs.csv
@@ -1,102 +1,102 @@
 t,plant,axis,Nstruct,cytokinins,mstruct,rate_mstruct_death,senesced_mstruct
-0,1,MS,0.00053,3.5,0.05,0.0,0.0
-1,1,MS,0.00053,3.5,0.05,0.0,0.0
-2,1,MS,0.00053,3.5,0.05,0.0,0.0
-3,1,MS,0.00053,3.5,0.05,0.0,0.0
-4,1,MS,0.00053,3.5,0.05,0.0,0.0
-5,1,MS,0.00053,3.5,0.05,0.0,0.0
-6,1,MS,0.00053,3.5,0.05,0.0,0.0
-7,1,MS,0.00053,3.5,0.05,0.0,0.0
-8,1,MS,0.00053,3.5,0.05,0.0,0.0
-9,1,MS,0.00053,3.5,0.05,0.0,0.0
-10,1,MS,0.00053,3.5,0.05,0.0,0.0
-11,1,MS,0.00053,3.5,0.05,0.0,0.0
-12,1,MS,0.00053,3.5,0.05,0.0,0.0
-13,1,MS,0.00053,3.5,0.05,0.0,0.0
-14,1,MS,0.00053,3.5,0.05,0.0,0.0
-15,1,MS,0.00053,3.5,0.05,0.0,0.0
-16,1,MS,0.00053,3.5,0.05,0.0,0.0
-17,1,MS,0.00053,3.5,0.05,0.0,0.0
-18,1,MS,0.00053,3.5,0.05,0.0,0.0
-19,1,MS,0.00053,3.5,0.05,0.0,0.0
-20,1,MS,0.00053,3.5,0.05,0.0,0.0
-21,1,MS,0.00053,3.5,0.05,0.0,0.0
-22,1,MS,0.00053,3.5,0.05,0.0,0.0
-23,1,MS,0.00053,3.5,0.05,0.0,0.0
-24,1,MS,0.00053,3.5,0.05,0.0,0.0
-25,1,MS,0.00053,3.5,0.05,0.0,0.0
-26,1,MS,0.00053,3.5,0.05,0.0,0.0
-27,1,MS,0.00053,3.5,0.05,0.0,0.0
-28,1,MS,0.00053,3.5,0.05,0.0,0.0
-29,1,MS,0.00053,3.5,0.05,0.0,0.0
-30,1,MS,0.00053,3.5,0.05,0.0,0.0
-31,1,MS,0.00053,3.5,0.05,0.0,0.0
-32,1,MS,0.00053,3.5,0.05,0.0,0.0
-33,1,MS,0.00053,3.5,0.05,0.0,0.0
-34,1,MS,0.00053,3.5,0.05,0.0,0.0
-35,1,MS,0.00053,3.5,0.05,0.0,0.0
-36,1,MS,0.00053,3.5,0.05,0.0,0.0
-37,1,MS,0.00053,3.5,0.05,0.0,0.0
-38,1,MS,0.00053,3.5,0.05,0.0,0.0
-39,1,MS,0.00053,3.5,0.05,0.0,0.0
-40,1,MS,0.00053,3.5,0.05,0.0,0.0
-41,1,MS,0.00053,3.5,0.05,0.0,0.0
-42,1,MS,0.00053,3.5,0.05,0.0,0.0
-43,1,MS,0.00053,3.5,0.05,0.0,0.0
-44,1,MS,0.00053,3.5,0.05,0.0,0.0
-45,1,MS,0.00053,3.5,0.05,0.0,0.0
-46,1,MS,0.00053,3.5,0.05,0.0,0.0
-47,1,MS,0.00053,3.5,0.05,0.0,0.0
-48,1,MS,0.00053,3.5,0.05,0.0,0.0
-49,1,MS,0.00053,3.5,0.05,0.0,0.0
-50,1,MS,0.00053,3.5,0.05,0.0,0.0
-51,1,MS,0.00053,3.5,0.05,0.0,0.0
-52,1,MS,0.00053,3.5,0.05,0.0,0.0
-53,1,MS,0.00053,3.5,0.05,0.0,0.0
-54,1,MS,0.00053,3.5,0.05,0.0,0.0
-55,1,MS,0.00053,3.5,0.05,0.0,0.0
-56,1,MS,0.00053,3.5,0.05,0.0,0.0
-57,1,MS,0.00053,3.5,0.05,0.0,0.0
-58,1,MS,0.00053,3.5,0.05,0.0,0.0
-59,1,MS,0.00053,3.5,0.05,0.0,0.0
-60,1,MS,0.00053,3.5,0.05,0.0,0.0
-61,1,MS,0.00053,3.5,0.05,0.0,0.0
-62,1,MS,0.00053,3.5,0.05,0.0,0.0
-63,1,MS,0.00053,3.5,0.05,0.0,0.0
-64,1,MS,0.00053,3.5,0.05,0.0,0.0
-65,1,MS,0.00053,3.5,0.05,0.0,0.0
-66,1,MS,0.00053,3.5,0.05,0.0,0.0
-67,1,MS,0.00053,3.5,0.05,0.0,0.0
-68,1,MS,0.00053,3.5,0.05,0.0,0.0
-69,1,MS,0.00053,3.5,0.05,0.0,0.0
-70,1,MS,0.00053,3.5,0.05,0.0,0.0
-71,1,MS,0.00053,3.5,0.05,0.0,0.0
-72,1,MS,0.00053,3.5,0.05,0.0,0.0
-73,1,MS,0.00053,3.5,0.05,0.0,0.0
-74,1,MS,0.00053,3.5,0.05,0.0,0.0
-75,1,MS,0.00053,3.5,0.05,0.0,0.0
-76,1,MS,0.00053,3.5,0.05,0.0,0.0
-77,1,MS,0.00053,3.5,0.05,0.0,0.0
-78,1,MS,0.00053,3.5,0.05,0.0,0.0
-79,1,MS,0.00053,3.5,0.05,0.0,0.0
-80,1,MS,0.00053,3.5,0.05,0.0,0.0
-81,1,MS,0.00053,3.5,0.05,0.0,0.0
-82,1,MS,0.00053,3.5,0.05,0.0,0.0
-83,1,MS,0.00053,3.5,0.05,0.0,0.0
-84,1,MS,0.00053,3.5,0.05,0.0,0.0
-85,1,MS,0.00053,3.5,0.05,0.0,0.0
-86,1,MS,0.00053,3.5,0.05,0.0,0.0
-87,1,MS,0.00053,3.5,0.05,0.0,0.0
-88,1,MS,0.00053,3.5,0.05,0.0,0.0
-89,1,MS,0.00053,3.5,0.05,0.0,0.0
-90,1,MS,0.00053,3.5,0.05,0.0,0.0
-91,1,MS,0.00053,3.5,0.05,0.0,0.0
-92,1,MS,0.00053,3.5,0.05,0.0,0.0
-93,1,MS,0.00053,3.5,0.05,0.0,0.0
-94,1,MS,0.00053,3.5,0.05,0.0,0.0
-95,1,MS,0.00053,3.5,0.05,0.0,0.0
-96,1,MS,0.00053,3.5,0.05,0.0,0.0
-97,1,MS,0.00053,3.5,0.05,0.0,0.0
-98,1,MS,0.00053,3.5,0.05,0.0,0.0
-99,1,MS,0.00053,3.5,0.05,0.0,0.0
-100,1,MS,0.00053,3.5,0.05,0.0,0.0
+0,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+1,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+2,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+3,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+4,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+5,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+6,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+7,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+8,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+9,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+10,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+11,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+12,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+13,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+14,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+15,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+16,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+17,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+18,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+19,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+20,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+21,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+22,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+23,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+24,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+25,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+26,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+27,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+28,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+29,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+30,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+31,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+32,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+33,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+34,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+35,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+36,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+37,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+38,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+39,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+40,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+41,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+42,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+43,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+44,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+45,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+46,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+47,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+48,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+49,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+50,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+51,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+52,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+53,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+54,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+55,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+56,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+57,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+58,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+59,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+60,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
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+62,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+63,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+64,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+65,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+66,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+67,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+68,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+69,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+70,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+71,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+72,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+73,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+74,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+75,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+76,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+77,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+78,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+79,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+80,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+81,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+82,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+83,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+84,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
+85,1,MS,0.00052969949,3.4980155,0.04997165,7.875e-09,2.835e-05
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