Fundamental Formulas for Plant Physiology


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Documentation for package ‘plantphysioR’ version 1.0.0

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all_indices All indices combined
ATI Abiotic Tolerance Index (ATI)
calculate_PEG_6000 Calculate Polyethylene glycol (PEG) 6000 requirement
caro_total Total carotenoids content
chl_a Chlorophyll'a' Concentration by Arnon method
chl_b Chlorophyll b concentration
chl_total Total chlorophyll (a+b) concentration
DRI Drought resistant index (DRI)
gmp Geometric mean productivity (GMP) by Fernandez (1992)
Golden_mean Golden Mean (GM)
HAM Harmonic Mean
mp_index Mean productivity Index (MPI)- by Hossain et al., (1990)
peg_6000 Water potential of Polyethylene glycol (PEG) 6000
R_drought_index Relative Drought Index (RDI)
ss_index Stress susceptibility index (SSI) by Fischer and Maurer (1978)
st_index Calculate Stress tolerance index (STI) suggested by Fernandez (1992)
tol_index Tolerance index -TOL by Hossain et al., (1990)
yield_data Example data
yield_reduction Yield Reduction
YR_ratio Yield reduction ratio (YR)
YSI Yield reduction index or Yield Stability Index (YSI)
Y_index Yield index (YI)