Accumulation of compatible solutes in rice (Oryza sativa L.) cultivars by inoculation of endophytic plant growth promoting bacteria to alleviate salt stress

Applied Biological Chemistry

Table 3 Effects of inoculation by B. linens RS16 on growth parameters of the salt-sensitive cultivar (IR29)

Variety	Day after salt treatment	Inoculation	Salt concentration (mM)	Root length (cm)	Shoot length (cm)	Total length (cm)	Plant dry weight (mg)
IR29	3 day	Mock	0	13.62 ± 0.86^a	28.16 ± 0.71^a	41.78 ± 1.02^b	85.61 ± 2.81^b
		RS16	0	17.55 ± 1.35^a	29.17 ± 0.09^a	46.72 ± 1.28^a	112.37 ± 7.02^a
		Mock	50	13.03 ± 1.15^b	24.38 ± 0.19^b	37.41 ± 1.14^b	76.14 ± 6.59^a
		RS16	50	16.68 ± 0.27^a	27.50 ± 0.89^a	44.18 ± 0.82^a	90.58 ± 6.79^a
		Mock	150	11.23 ± 0.19^a	16.58 ± 1.42^a	27.82 ± 1.41^a	48.21 ± 4.93^a
		RS16	150	12.40 ± 0.78^a	18.86 ± 0.33^a	31.26 ± 0.83^a	59.98 ± 4.13^a
	10 day	Mock	0	16.73 ± 1.10^a	30.85 ± 0.67^b	47.58 ± 1.77^a	108.24 ± 0.73^b
		RS16	0	19.52 ± 2.27^a	35.80 ± 0.88^a	55.32 ± 2.82^a	144.28 ± 0.14^a
		Mock	50	14.61 ± 1.75^a	25.35 ± 0.37^b	39.96 ± 1.94^b	80.27 ± 1.06^b
		RS16	50	16.94 ± 1.08^a	31.70 ± 0.97^a	48.64 ± 0.14^a	134.34 ± 0.68^a
		Mock	150	12.67 ± 1.00^a	21.45 ± 0.14^b	34.12 ± 0.91^b	55.08 ± 3.09^b
		RS16	150	12.78 ± 0.30^a	27.08 ± 1.19^a	39.86 ± 1.13^a	92.40 ± 4.11^a

For each number in a column, values (mean ± SE, number of replications = 3) represented by the same lower-case letters are not significantly different at p < 0.05