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Table 5 Effect of integrative deficit drip irrigation and plant growth promoting rhizobacteria on growth characteristics of rice plants grown under saline soil for (SI) 2017 and (SII) 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

Shoot length (cm)

Tillers no. plant−1

Panicles no plant−1

Shoot dry weight (g)

Season

NS

NS

NS

NS

(SI) 2017

53.44 ± 1.20a

1.92 ± 0.23a

1.79 ± 0.15a

3.45 ± 0.33a

(SII) 2018

53.66 ± 0.99a

1.95 ± 0.23a

1.77 ± 0.21a

3.47 ± 0.43a

Irrigation

**

*

**

**

FI

55.62 ± 1.20a

2.04 ± 0.32a

1.88 ± 0.23a

3.84 ± 0.45a

DI

51.49 ± 0.89b

1.83 ± 0.54b

1.67 ± 0.30b

3.08 ± 0.32b

PGPR

**

*

**

**

−PGPR

51.16 ± 0.88b

1.80 ± 0.31b

1.63 ± 0.29b

3.01 ± 0.28b

+PGPR

55.94 ± 0.96a

2.07 ± 0.33a

1.93 ± 0.31a

3.91 ± 0.43a

I × PGPR

**

*

**

**

I100 × −PGPR

53.04 ± 1.40b

1.88 ± 0.41b

1.71 ± 0.25b

3.38 ± 0.31b

I80 × −PGPR

49.28 ± 1.21c

1.72 ± 0.21c

1.54 ± 0.43b

2.65 ± 0.41c

I100 × +PGPR

58.20 ± 0.42a

2.21 ± 0.33a

2.05 ± 0.21a

4.31 ± 0.59a

I80 × +PGPR

53.69 ± 0.98b

1.94 ± 0.23b

1.81 ± 0.40b

3.51 ± 0.36b

  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)