Table 3. Effect of exogenous spray applications of glutathione (GSH; 0.5 or 1.0 mM) on vegetative growth characteristics of common beans plants grown under different irrigation levels in 2017 (SI) and 2018 (SII) seasons.

Treatment	Shoot length (cm)		Number of leaves plant−1		Leaf area plant−1 (dm2)		Shoot dry weight plant−1 (g)
	SI	SII	SI	SII	SI	SII	SI	SII
I100	79.3b	78.3c	27.0a	29.3a	20.7a	22.5a	22.8a	20.4a
I80	78.3b	76.3cd	23.7b	27.0b	18.3bc	20.0b	19.3b	18.6b
I60	68.3d	59.7e	18.3c	20.0d	16.3d	12.9d	13.2c	16.6c
I100+ GSH1	86.0a	87.0a	27.0a	28.3a	21.0a	23.8a	23.4a	21.4a
I100+ GSH2	74.7bc	80.3bc	27.3a	28.0a	20.6a	22.9a	22.2a	20.0a
I80+ GSH1	78.0b	78.0c	27.0a	29.0a	20.3a	22.4a	22.8a	18.6b
I80+ GSH2	75.0b	80.3bc	26.3a	29.0a	20.0ab	22.6a	22.0a	20.4a
I60+ GSH1	70.0cd	71.3d	22.3b	24.0c	19.5ab	20.4b	23.2a	19.9a
I60+ GSH2	72.0cd	63.0e	22.7b	23.7d	17.1cd	15.5c	19.8b	16.7c

Notes.

# Mean values in each column followed by a different lower-case-letter are significantly different by Tukey’s Honest Significant Difference test at P ≤ 0.05.

I₁₀₀

irrigation with 100% of ETc

I₈₀

irrigation with 80% of ETc

I₆₀

irrigation with 60% of ETc