Reference guide#
This manual details, for each module of openalea.elongwheat,
the functions and objects included in openalea.elongwheat,
describing what they are and what they do.
openalea.elongwheat package#
elongwheat#
The model Elong-Wheat.
Mechanistic model of leaf elongation. See:
elongwheat.simulationfor the front-end of the model,
elongwheat.modelfor the equations of the model,
elongwheat.parametersfor the parameters of the model.
openalea.elongwheat.model module#
- openalea.elongwheat.model.Beta_function(leaf_pseudo_age)[source]#
Normalized leaf length from the emergence of the previous leaf to the end of elongation (automate function depending on leaf pseudo age).
- openalea.elongwheat.model.Beta_function_internode(internode_pseudo_age)[source]#
Normalized internode length from the emergence of the previous leaf to the end of elongation (automate function depending on internode pseudo age).
- openalea.elongwheat.model.calculate_LSIW(LSSW, phytomer_rank, optimal_growth_option=False)[source]#
Lineic Structural Internode Weight.
- openalea.elongwheat.model.calculate_LSSW(leaf_rank, integral_conc_sucr, optimal_growth_option=False)[source]#
Lineic Structural Sheath Weight.
- openalea.elongwheat.model.calculate_SAM_GA(status, teq_since_primordium)[source]#
Synthesis of GA by the SAM according to its stage
- openalea.elongwheat.model.calculate_SAM_primodia(status, teq_since_primordium, delta_teq, nb_leaves, cohort_id)[source]#
Update SAM status, leaf number
- Parameters:
status (str) – SAM status (‘vegetative’, if emitting leaf primordia or ‘reproductive’)
teq_since_primordium (float) – Time since last primordium initiation (in time equivalent to a reference temperature) (s)
delta_teq (float) – time increment (in time equivalent to a reference temperature) (s)
nb_leaves (int) – Number of leaves already emited by the SAM.
cohort_id (int) – Corresponding leaf on the Main Stem for the first leaf of a tiller
- Returns:
Number of leaf to be initiated (should be 0 or 1), updated leaf number on the SAM, status, time since last primordium intiation (in time equivalent to a reference temperature, s)
- Return type:
- openalea.elongwheat.model.calculate_SL_ratio(leaf_rank)[source]#
Sheath:Lamina final length ratio according to the rank. Parameters from Dornbush (2011).
- openalea.elongwheat.model.calculate_SSLW(leaf_rank, integral_conc_sucr, optimal_growth_option=False)[source]#
Structural Specific Lamina Weight.
- openalea.elongwheat.model.calculate_cumulated_internode_length(internode_lengths)[source]#
Calculate cumulative internode length
- openalea.elongwheat.model.calculate_cumulated_thermal_time(sum_TT, temperature, delta_teq)[source]#
Return cumulated thermal time (used by Adel-Wheat model to calculate leaf geometry).
- openalea.elongwheat.model.calculate_deltaL_postE(prev_leaf_pseudo_age, leaf_pseudo_age, prev_leaf_L, leaf_Lmax, sucrose, amino_acids, mstruct, optimal_growth_option=False)[source]#
Leaf length from the emergence of the previous leaf to the end of elongation (automate function depending on leaf pseudo age and final length).
- Parameters:
prev_leaf_pseudo_age (float) – Pseudo age of the leaf since beginning of automate elongation at previous time step (s)
leaf_pseudo_age (float) – Pseudo age of the leaf since beginning of automate elongation (s)
prev_leaf_L (float) – Leaf length at previous time step (m)
leaf_Lmax (float) – Final leaf length (m)
sucrose (float) – Amount of sucrose (µmol C)
amino_acids (float) – Amount of amino acids (µmol N)
mstruct (float) – Structural mass (g)
optimal_growth_option (bool) – if True the function will calculate leaf elongation assuming optimal growth conditions (except if sucrose and amino acids are zero)
- Returns:
delta_leaf_L (m)
- Return type:
- openalea.elongwheat.model.calculate_deltaL_preE(sucrose, leaf_L, amino_acids, mstruct, delta_teq, leaf_rank, optimal_growth_option)[source]#
Delta of leaf length over delta_t as a function of sucrose and amino acids, from initiation to the emergence of the previous leaf.
- Parameters:
sucrose (float) – Amount of sucrose (µmol C)
leaf_L (float) – Total leaf length (m)
amino_acids (float) – Amount of amino acids (µmol N)
mstruct (float) – Structural mass (g)
delta_teq (float) – Temperature-consensated time = time duration at a reference temperature (s)
leaf_rank (int) – leaf phytomer number
optimal_growth_option (bool) – if True the function will calculate leaf elongation assuming optimal growth conditions (except if sucrose and amino acids are zero)
- Returns:
delta delta_leaf_L (m)
- Return type:
- openalea.elongwheat.model.calculate_delta_internode_L_postL(prev_internode_pseudo_age, internode_pseudo_age, prev_internode_L, internode_Lmax_lig, sucrose, amino_acids, mstruct, optimal_growth_option=False)[source]#
Internode length, from the ligulation of the previous leaf to the end of elongation (automate function depending on leaf pseudo age and final length).
- Parameters:
prev_internode_pseudo_age (float) – Pseudo age of the internode since beginning of automate elongation at previous time step (s)
internode_pseudo_age (float) – Pseudo age of the internode since beginning of automate elongation (s)
prev_internode_L (float) – Internode length before elongation (m)
internode_Lmax_lig (float) – Estimate of final internode length at previous leaf ligulation (m)
sucrose (float) – Amount of sucrose (µmol C)
amino_acids (float) – Amount of amino acids (µmol N)
mstruct (float) – Structural mass (µmol N)
optimal_growth_option (bool) – if True the function will calculate delta of internode length assuming optimal growth conditions
- Returns:
internode_L (m)
- Return type:
- openalea.elongwheat.model.calculate_delta_internode_L_preL(phytomer_rank, sucrose, internode_L, amino_acids, mstruct, delta_teq, optimal_growth_option=False)[source]#
delta of internode length over delta_t as a function of sucrose and amino acids, from initiation to the ligulation of the previous leaf.
- Parameters:
phytomer_rank (int) – phytomer rank
sucrose (float) – Amount of sucrose (µmol C)
internode_L (float) – Total internode length (m)
amino_acids (float) – Amount of amino acids (µmol N)
mstruct (float) – Structural mass of the hidden zone(g)
delta_teq (float) – Temperature-consensated time = time duration at a reference temperature (s)
optimal_growth_option (bool) – if True the function will calculate delta of internode length assuming optimal growth conditions
- Returns:
delta delta_internode_L (m)
- Return type:
- openalea.elongwheat.model.calculate_emerged_internode_L(internode_L, internode_distance_to_emerge)[source]#
Emerged internode length.
- openalea.elongwheat.model.calculate_emerged_sheath_L(leaf_L, leaf_pseudostem_length, lamina_L, sheath_Lmax)[source]#
Emerged sheath length. Assumes that leaf_L = leaf_pseudostem_length + emerged_sheath_L + lamina_L
- openalea.elongwheat.model.calculate_end_internode_elongation(internode_L, internode_Lmax, internode_pseudo_age)[source]#
Calculate if a given internode has finished elongating
- openalea.elongwheat.model.calculate_growing_temperature(Tair, Tsol, SAM_height)[source]#
Return temperature to be used for growth zone
Hidden lamina length at the end of lamina growth.
- openalea.elongwheat.model.calculate_init_internode_elongation(hiddenzone_age)[source]#
Initialize internode elongation.
- openalea.elongwheat.model.calculate_internode_Lmax(internode_L_lig)[source]#
Final internode length.
- openalea.elongwheat.model.calculate_internode_distance_to_emerge(ligule_heights, bottom_hiddenzone_height, phytomer_rank, curr_internode_L)[source]#
Distance for the internode to be visible given by the pseudostem length.
- Parameters:
ligule_heights (pandas.DataFrame) – height of all ligules of a given axis (m)
bottom_hiddenzone_height (float) – height of the bottom of the hidden zone given by the cumulated lengths of below internodes (m)
phytomer_rank (int) – phytomer rank
curr_internode_L (float) – Internode length of the current phyomer (m).
- Returns:
Distance for the internode to be visible (m)
- Return type:
- openalea.elongwheat.model.calculate_internode_pseudo_age(internode_pseudo_age, delta_teq)[source]#
Pseudo age of the internode since beginning of automate elongation (s)
- openalea.elongwheat.model.calculate_internode_visibility(internode_L, internode_distance_to_emerge)[source]#
Calculate if a given internode is visible
- openalea.elongwheat.model.calculate_lamina_L(leaf_L, leaf_pseudostem_length, hiddenzone_id, lamina_Lmax)[source]#
Emerged lamina length given by the difference between leaf length and leaf pseudostem length.
- openalea.elongwheat.model.calculate_lamina_Lmax(leaf_Lmax, sheath_lamina_ratio)[source]#
Final lamina length.
- openalea.elongwheat.model.calculate_leaf_Wmax(lamina_Lmax, leaf_rank, integral_conc_sucr, optimal_growth_option=False)[source]#
Maximal lamina width.
- openalea.elongwheat.model.calculate_leaf_emergence(leaf_L, leaf_pseudostem_length)[source]#
Calculate if a given leaf has emerged from its pseudostem
- openalea.elongwheat.model.calculate_leaf_pseudo_age(leaf_pseudo_age, delta_teq)[source]#
Pseudo age of the leaf since beginning of automate elongation (s)
- openalea.elongwheat.model.calculate_leaf_pseudostem_length(ligule_heights, bottom_hiddenzone_height, phytomer_id)[source]#
Distance between the bottom of the hidden zone and the highest previous ligule
- Parameters:
- Returns:
Distance for the leaf to emerge out of the pseudostem (m)
- Return type:
- openalea.elongwheat.model.calculate_ligule_height(sheath_internode_length, all_element_inputs, SAM_id, all_ligule_height_df)[source]#
Calculate ligule heights below each phytomer of an axis from lengths of internodes and sheaths.
The result is formated into a dataframe which is concatenated with a shared dataframe storing all ligule heights
- Parameters:
sheath_internode_length (dict) – Dictionary with sheath and internode lengths for a given axis, (m)
all_element_inputs (dict) – Dictionary of all element inputs
SAM_id (tuple) – Id of the SAM (plant_id, axis_id)
all_ligule_height_df (pandas.DataFrame) – Shared dataframe used to store all ligule heights
- Returns:
A dataframe with ligule height of a given axis
- Return type:
pandas.DataFrame
- openalea.elongwheat.model.calculate_mean_conc_sucrose(prev_mean_conc_sucrose, time_prev_leaf2_emergence, delta_teq, sucrose, mstruct)[source]#
Update the mean sucrose concentration of the hiddenzone since leaf n-2 emergence. Calculation starts at leaf n-2 emergence, the updated mean accounts for the [sucrose] of current time step weighted by a function of temperature.
- Parameters:
prev_mean_conc_sucrose (float) – Mean sucrose concentration of the hiddenzone at the end of previous simulation time step (µmol C g-1).
time_prev_leaf2_emergence (float) – Time elapsed since leaf n-2 emergence (s at Tref).
delta_teq (float) – Duration of the current simulation time step (s at Tref).
sucrose (float) – Sucrose in the hidden zone (µmol C).
mstruct (float) – Mstruct of the hidden zone (g).
- Returns:
Updated mean sucrose concentration of the hiddenzone since leaf n-2 emergence (µmol C g-1)
- Return type:
- openalea.elongwheat.model.calculate_ratio_DZ_postE(leaf_L, leaf_Lmax, leaf_pseudostem_length)[source]#
Ratio of the hiddenzone length which is made of division zone. Calculated from an inverse beta function representing the ratio of the leaf composed by the division zone accoring to its relative length in log. The model was fitted on litterature data on wheat.
- openalea.elongwheat.model.calculate_sheath_Lmax(leaf_Lmax, lamina_Lmax)[source]#
Final sheath length.
- openalea.elongwheat.model.calculate_short_internode_Lmax(internode_L_lig, internode_pseudo_age)[source]#
Final internode length.
- openalea.elongwheat.model.calculate_time_equivalent_Tref(temperature, time)[source]#
Return the time equivalent to a reference temperature i.e. temperature-compensated time (Parent, 2010).
- openalea.elongwheat.model.calculate_update_internode_Lmax(internode_Lmax_lig, internode_L, internode_pseudo_age)[source]#
Update internode_Lmax following a reduction of delta_leaf_L due to C and N regulation
- Parameters:
internode_Lmax_lig (float) – Estimate of final internode length at previous leaf ligulation (m)
internode_L (float) – actual internode length at the end of the time step, calculated according to CN concentration (m)
internode_pseudo_age (float) – Pseudo age of the internode since beginning of automate elongation at the end of the time step (s)
- Returns:
Updated internode Lmax (m)
- Return type:
- openalea.elongwheat.model.calculate_update_leaf_Lmax(leaf_Lmax_em, leaf_L, leaf_pseudo_age)[source]#
Update leaf_Lmax following a reduction of delta_leaf_L due to C and N regulation. Updated final length is calculated as the sum of the theoritical remaining length to elongate (leaf_Lmax_em * (1 - Beta_function(leaf_pseudo_age))) and the actual elongation at the end of the time step. This could lead to shorter or longer leaves, but the duration of elongation is not modified.
- Parameters:
leaf_Lmax_em (float) – Estimate of final leaf length at previous leaf emergence (m)
leaf_L (float) – actual leaf length at the end of the time step, calculated according to CN concentration (m)
leaf_pseudo_age (float) – Pseudo age of the leaf since beginning of automate elongation at the end of the time step (s)
- Returns:
updated leaf_Lmax (m)
- Return type:
openalea.elongwheat.simulation module#
- openalea.elongwheat.simulation.HIDDENZONE_INPUTS = ['leaf_is_growing', 'internode_is_growing', 'leaf_pseudo_age', 'internode_pseudo_age', 'leaf_pseudostem_length', 'internode_distance_to_emerge', 'leaf_L', 'internode_L', 'hiddenzone_age', 'leaf_Lmax', 'leaf_Lmax_em', 'lamina_Lmax', 'sheath_Lmax', 'leaf_Wmax', 'SSLW', 'LSSW', 'leaf_is_emerged', 'internode_Lmax', 'internode_Lmax_lig', 'LSIW', 'internode_is_visible', 'sucrose', 'amino_acids', 'fructan', 'proteins', 'leaf_enclosed_mstruct', 'leaf_enclosed_Nstruct', 'internode_enclosed_mstruct', 'internode_enclosed_Nstruct', 'mstruct', 'is_over', 'mean_conc_sucrose']#
the inputs needed by ElongWheat
- openalea.elongwheat.simulation.HIDDENZONE_INPUTS_OUTPUTS = ['LSIW', 'LSSW', 'SSLW', 'amino_acids', 'delta_internode_L', 'delta_internode_distance_to_emerge', 'delta_internode_pseudo_age', 'delta_leaf_L', 'delta_leaf_pseudo_age', 'delta_leaf_pseudostem_length', 'fructan', 'hiddenzone_age', 'internode_L', 'internode_Lmax', 'internode_Lmax_lig', 'internode_distance_to_emerge', 'internode_enclosed_Nstruct', 'internode_enclosed_mstruct', 'internode_is_growing', 'internode_is_remobilizing', 'internode_is_visible', 'internode_pseudo_age', 'is_over', 'lamina_Lmax', 'leaf_L', 'leaf_Lmax', 'leaf_Lmax_em', 'leaf_Wmax', 'leaf_enclosed_Nstruct', 'leaf_enclosed_mstruct', 'leaf_is_emerged', 'leaf_is_growing', 'leaf_is_remobilizing', 'leaf_pseudo_age', 'leaf_pseudostem_length', 'mean_conc_sucrose', 'mstruct', 'proteins', 'ratio_DZ', 'sheath_Lmax', 'sucrose']#
the inputs and outputs of ElongWheat.
- openalea.elongwheat.simulation.LIGULE_TOPOLOGY_COLUMNS = ['axis_id', 'phytomer', 'ligule height']#
topology colums for ligule height dataframe
- class openalea.elongwheat.simulation.Simulation(delta_t=1, update_parameters=None)[source]#
Bases:
objectThe Simulation class allows to initialize and run a simulation.
- delta_t#
the delta t of the simulation (in seconds)
- inputs#
- inputs is a dictionary of dictionaries:
- {‘hiddenzone’: {(plant_index, axis_label, metamer_index): {hiddenzone_input_name: hiddenzone_input_value, …}, …},
‘elements’: {(plant_index, axis_label, metamer_index, organ_label, element): {element_input_name: element_input_value, …}, …}, ‘axes’: {(plant_index, axis_label): {axis_input_name: axis_input_value, …}, …}, ‘sheath_internode_lengths’: {(plant_index, axis_label, metamer_index): {‘sheath’: [list of sheath length belonging to the phytomer],
‘cumulated_internode’: [list of internode lengths cumulated from phytomer 1 to n]}, …}
See :TODO? for more information about the inputs.
- outputs#
The outputs of elong-Wheat.
- outputs is a dictionary of dictionaries:
- {‘hiddenzone’: {(plant_index, axis_label, metamer_index): {hiddenzone_input_name: hiddenzone_input_value, …}, …},
‘elements’: {(plant_index, axis_label, metamer_index, organ_label, element): {element_output_name: element_output_value, …}, …}, ‘axes’: {(plant_index, axis_label): {axis_output_name: axis_output_value, …}, …}}
See :TODO? for more information about the inputs.
- exception openalea.elongwheat.simulation.SimulationRunError[source]#
Bases:
SimulationError
openalea.elongwheat.converter module#
- openalea.elongwheat.converter.HIDDENZONE_TOPOLOGY_COLUMNS = ['plant', 'axis', 'metamer']#
the columns which define the topology in the input/output dataframe
- openalea.elongwheat.converter.from_dataframes(hiddenzone_inputs, element_inputs, axis_inputs)[source]#
Convert inputs/outputs from Pandas dataframe to Elong-Wheat format.
- Parameters:
axis_inputs (pandas.DataFrame) – axis inputs dataframe to convert, with one line by axis
hiddenzone_inputs (pandas.DataFrame) – Hidden zone inputs dataframe to convert, with one line by Hidden zone.
element_inputs (pandas.DataFrame) – Emergeing and mature element inputs dataframe to convert, with one line by element.
- Returns:
The inputs in a dictionary.
- Return type:
See also
simulation.Simulation.inputsfor the structure of Elong-Wheat inputs.
- openalea.elongwheat.converter.to_dataframes(data_dict)[source]#
Convert outputs from Elong-Wheat format to Pandas dataframe.
- Parameters:
data_dict (dict) – The outputs in Elong-Wheat format.
- Returns:
One dataframe for hiddenzone outputs, one dataframe for element outputs and one dataframe for axis outputs.
- Return type:
(pandas.DataFrame, pandas.DataFrame, pandas.DataFrame)
See also
simulation.Simulation.outputsfor the structure of Elong-Wheat outputs.
openalea.elongwheat.parameters module#
- class openalea.elongwheat.parameters.ElementInit[source]#
Bases:
objectInitial values for emerged and growing elements
- Nresidual#
g
- Nstruct#
g
- age#
Thermal Time
- amino_acids#
µmol N
- cytokinins#
g
- fructan#
µmol C
- green_area#
m2
- length#
m
- max_mstruct#
g
- max_proteins#
µmol N
- mstruct#
g
- nitrates#
µmol N
- proteins#
µmol N
- senesced_length_element#
m
- senesced_mstruct#
g
- starch#
µmol C
- sucrose#
µmol C
- class openalea.elongwheat.parameters.HiddenZoneInit[source]#
Bases:
objectInitial values for hidden zones
- LSIW#
g m-1, no calculation before ligulation Ln
- LSSW#
g m-1, no calculation before emergence Ln-1 (about 2)
- Nstruct#
g
- SSLW#
g m-2, no calculation before emergence Ln-1
- amino_acids#
µmol N
- conc_cytokinins#
AU / g mstruct
- delta_internode_L#
m, needded for growthwheat
- delta_internode_distance_to_emerge#
m, needded for growthwheat
- delta_leaf_L#
m, needded for growthwheat
- delta_leaf_pseudostem_length#
m
- fructan#
µmol C - about 10% DM
- internode_L#
m
- internode_Lmax#
m, no calculation before ligulation Ln
- internode_Lmax_lig#
m, no calculation before ligulation Ln
- internode_distance_to_emerge#
m
- internode_enclosed_Nstruct#
g, parameter value in growth wheat
- internode_enclosed_mstruct#
g
- lamina_Lmax#
m, no calculation before emergence Ln-1
- leaf_L#
m, should be consistent with PLASTOCHRONE
- leaf_Lmax#
m, no calculation before emergence Ln-1
- leaf_Lmax_em#
m, no calculation before emergence Ln-1
- leaf_Wmax#
m, no calculation before emergence Ln-1
- leaf_enclosed_Nstruct#
g, parameter value in growth wheat
- leaf_enclosed_mstruct#
g
- leaf_pseudostem_length#
ok comme valeur?
- Type:
m TODO
- mean_conc_sucrose#
µmol C / g mstruct
- mstruct#
g
- proteins#
µmol N - about 9% N
- sheath_Lmax#
m, no calculation before emergence Ln-1
- sucrose#
µmol C
- openalea.elongwheat.parameters.PLASTOCHRONE = 547920.0#
Leaf plastochron (s at 12°C) calculated from Ljutovac 2002 with primordia of 5E-5 m (76 dd) ; Malvoisin 35dd associated with init 3E-5 m
- openalea.elongwheat.parameters.RER_Kc = 100#
affinity coefficient of RER to C (µmol g-1)
- openalea.elongwheat.parameters.RER_Kn = 15#
affinity coefficient of RER to N (µmol g-1)
- openalea.elongwheat.parameters.RERmax_dict_IN = {3: 2.4e-06, 4: 2.4e-06, 5: 2.4e-06, 6: 2.4e-06, 7: 2.16e-06, 8: 1.8e-06, 9: 1.91e-06, 10: 1.9e-06, 11: 1.76e-06, 12: 1.5e-06}#
s-1 at 12°C FIT jan 20
- openalea.elongwheat.parameters.conc_sucrose_offset = 240#
sucrose concentration under which no leaf and internode growth occurs (µmol of C g-1 mstruct) - same for root growth, see growthwheat
- openalea.elongwheat.parameters.delta_TT_GA = 2739600.0#
Thermal time between floral transition of SAM and Gibberelin production expressed as a function of plastochron (s at 12°C) ; Malvoisin’s data give 7 plastochrons
- openalea.elongwheat.parameters.internode_LSIW_dict = {1: 2.8, 2: 2.8, 3: 2.8, 4: 2.8, 5: 2.8, 6: 2.8, 7: 2.8, 8: 2.8, 9: 2.3, 10: 1.7, 11: 1.6, 12: 1.4, 13: 0.7}#
experiment of M.Gauthier 2017/18, consistent with that of R.Barillot 2014
- openalea.elongwheat.parameters.internode_L_init = 5e-05#
Initial internode length (m)
- openalea.elongwheat.parameters.leaf_Lmax_MAX = 0.45#
Maximum leaf_Lmax (m)
- openalea.elongwheat.parameters.leaf_W_L_MIN = 0.025#
Minimal leaf width
- openalea.elongwheat.parameters.leaf_Wmax_dict = {3: 0.004, 4: 0.0045, 5: 0.0056, 6: 0.0075, 7: 0.01, 8: 0.012, 9: 0.013, 10: 0.014, 11: 0.018}#
m (Ljutovac 2002)
- openalea.elongwheat.parameters.leaf_pseudo_age_Kc = 150#
affinity coefficient to C (µmol g-1)
- openalea.elongwheat.parameters.leaf_pseudo_age_Kn = 4#
affinity coefficient to N (µmol g-1)
- openalea.elongwheat.parameters.leaf_pseudo_age_Vmax = 1.2#
Maximal regulation of leaf length after emergence by CN status (dimensionless)
- openalea.elongwheat.parameters.max_nb_leaves = 11#
Max number of leaves per axis
- openalea.elongwheat.parameters.nb_PLASTO_internode_init = 5#
Delay between leaf initiation and internode initiation expressed as a number of plastochron. From Malvoisin 1984b, associated with priodia of 5.10-4 m
- openalea.elongwheat.parameters.ratio_DZ_l_end = 0.7#
normalized log of leaf length at which the the leaf has no more division zone (dimensionless).
- openalea.elongwheat.parameters.ratio_DZ_l_init = 0.065#
normalized log of leaf length at which the the leaf is fully composed by the division zone (dimensionless).
- openalea.elongwheat.parameters.ratio_DZ_l_mid = 0.075#
intermediate point of the beta function (dimensionless).
- openalea.elongwheat.parameters.ratio_LSIW_LSSW = 2.5#
ratio lineic structural internode mass / lineic structural sheath mass of the specific structural dry masses (from data of J. Bertheloot, 2004)
- openalea.elongwheat.parameters.sowing_depth = 0.05#
Sowing depth (m) used to define plant emergence
- openalea.elongwheat.parameters.tb = -822960.0#
beginning of leaf elongation in automate growth (s at 12°c); fitted from adapted data from Fournier 2005
- openalea.elongwheat.parameters.tb_IN = -2694900.96#
beginning of internode elongation in automate growth (s);Ljutovac 2002, 250pl.m-2
- openalea.elongwheat.parameters.te = 2160000.0#
end of leaf elongation in automate growth (s at 12°c); fitted from adapted data from Fournier 2005
- openalea.elongwheat.parameters.te_IN = 2388627.36#
end of internode elongation in automate growth; Ljutovac 2002, 250pl.m-2
- openalea.elongwheat.parameters.tm = 1473120.0#
time at which leaf elongation rate is maximal in automate growth (s at 12°c); fitted from adapted data from Fournier 2005
- openalea.elongwheat.parameters.tm_IN = 1820014.5599999998#
time at which internode elongation rate is maximal in automate growth (s);Ljutovac 2002, 250pl.m-2