Table 1 Parameters used in the ideotyping study, with acronyms, units, function, distribution derived from literature and, when available, distribution from a dedicated field phenotyping experiment involving Italian rice varieties.

From: Tailoring parameter distributions to specific germplasm: impact on crop model-based ideotyping

Parameter

Symbol

Process

Literature-derived distributiona

Germplasm-specific distributionb

Radiation use efficiency

RUE (g MJ−1)

Photosynthesis

Normal (m 2.68; s 0.09)

Normal (m 2.72; s 0.23)

Light extinction coefficient

k (−)

Canopy light interception

Normal (m 0.47; s 0.04)

Normal (m 0.58; s 0.1)

Specific leaf area at emergence

SLAini (m2 kg−1)

Canopy development

Normal (m 41.6; s 5.9)

Normal (m 35; s 4.36)

Specific leaf area at tillering

SLAtill (m2 kg−1)

Canopy development

Normal (m 28.68; s 3.89)

Normal (m 28.70; s 3.18)

Resistance to blast disease

BlastRes (−)

Response to biotic stress

Discrete (1, 2, 3)

 

Threshold temperature for chalkiness

T-Chalkiness (°C)

Grain quality

Normal (m 26.4; s 0.9)

 

Threshold temperature for grain breakage

T-HeadRice (°C)

Grain quality

Normal (m 23.9; s 2.1)

 

Threshold temperature for cold-induced spikelet sterility

T-ColdSter (°C)

Response to abiotic stress

Normal (m 13.5; s 1.4)

 

Threshold temperature for heat-induced spikelet sterility

T-HeatSter (°C)

Response to abiotic stress

Normal (m 34.4; s 1.5)

 
  1. In case of normal distribution, m is the mean and s is the standard deviation.
  2. aFrom Paleari et al.4.
  3. bDerived via a dedicated field experiment involving Italian rice varieties (see Table 2 and the Methods section).