A: Net assimilation rate.; E: Transpiration rate.; gs:
Stomatal conductance.; rs: Stomatal resistance.; WUE:
Water Use Efficiency
TABLE 4 The effects of redroot pigweed leachate on
photosynthetic pigments content of cucumber and wheat plants. The data
represent the mean of three replications ±S D and different letters in
each parameter for each species indicate significantly different values
at p ≥0.01