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Table 6 Effect of integrative deficit drip irrigation and plant growth promoting rhizobacteria on plant water status (MSI% and RWC%), canopy-air temperature (Tc–Ta) of rice plants grown saline soil for (SI) 2016/2017 and (SII) 2017/2018 seasons

From: Plant Growth-Promoting Rhizobacteria Improve Growth, Morph-Physiological Responses, Water Productivity, and Yield of Rice Plants Under Full and Deficit Drip Irrigation

Source of variation

RWC%

MSI%

Tc–Ta

O’clock

13:00

14.00

Season

NS

NS

NS

NS

(SI) 2017

77.75 ± 2.53a

67.79 ± 2.21a

1.51 ± 0.26a

1.83 ± 0.27a

(SII) 2018

79.90 ± 2.21a

69.49 ± 2.60a

1.70 ± 0.23a

1.86 ± 0.21a

Irrigation

**

**

**

**

FI

82.33 ± 2.20a

70.82 ± 1.12a

1.24 ± 0.14b

1.59 ± 0.22b

DI

75.33 ± 2.32b

66.45 ± 0.98b

1.97 ± 0.28a

2.08 ± 0.26a

PGPR

**

**

**

**

−PGPR

75.58 ± 0.79b

63.46 ± 0.77b

2.15 ± 0.09a

2.60 ± 0.07a

+PGPR

82.08 ± 2.10a

73.82 ± 2.20a

1.06 ± 0.24b

1.07 ± 0.11b

I × PGPR

**

**

**

**

I100 × −PGPR

80.25 ± 2.11b

64.94 ± 1.11c

1.58 ± 0.18b

2.28 ± 0.08b

I80 × −PGPR

70.90 ± 1.23c

61.98 ± 1.21c

2.72 ± 0.31a

2.92 ± 0.05a

I100 × +PGPR

84.40 ± 2.22a

76.71 ± 1.42a

0.90 ± 0.12c

0.93 ± 0.09d

I80 × +PGPR

79.75 ± 2.14b

70.93 ± 1.09b

1.22 ± 0.31bc

1.23 ± 0.03c

  1. *,**Respectively, differences at p ≤ 0.05 and p ≤ 0.01 probability level, ns indicates no significant difference. Means followed by the same letter in each column are not significantly different according to the LSD test (p < 0.05)