The influence of host genotype and salt stress on the seed endophytic community of salt-sensitive and salt-tolerant rice cultivars

Table 4 Diversity indices of seed bacterial endophytes of the moderately salt-tolerant IC32 grown in varying soil salinity level as assessed through T-RFLP analysis

Diversity Parameter	Salinity Level	T-RFLP Restriction Enzyme Profile
Diversity Parameter	Salinity Level	DdeI	HaeIII	HhaI
Richness	0 dSm^− 1	11.33 ± 0.88^A	5.33 ± 0.33^A	6.67 ± 0.33^A
	4 dSm⁻¹	5.67 ± 0.33^C	6.00 ± 0.00^A	5.67 ± 0.33^A
	8 dSm⁻¹	9.00 ± 0.58^B	5.33 ± 0.33^A	7.00 ± 1.00^A
Evenness	0 dSm⁻¹	0.71 ± 0.01^B	0.72 ± 0.01^B	0.68 ± 0.01^B
	4 dSm⁻¹	0.75 ± 0.02^AB	0.87 ± 0.01^A	0.74 ± 0.02^A
	8 dSm⁻¹	0.83 ± 0.00^A	0.70 ± 0.03^C	0.61 ± 0.05^C
Shannon Index	0 dSm⁻¹	1.71 ± 0.04^B	1.20 ± 0.06^A	1.28 ± 0.01^A
	4 dSm⁻¹	1.30 ± 0.07^C	1.55 ± 0.02^A	1.27 ± 0.04^B
	8 dSm⁻¹	1.81 ± 0.05^A	1.16 ± 0.01^A	1.15 ± 0.02^C
Simpson’s Index	0 dSm⁻¹	0.76 ± 0.01^AB	0.63 ± 0.03^A	0.63 ± 0.01^B
	4 dSm⁻¹	0.66 ± 0.03^B	0.77 ± 0.01^A	0.66 ± 0.01^A
	8 dSm⁻¹	0.81 ± 0.00^A	0.60 ± 0.01^A	0.57 ± 0.01^C

Values given are the means of three replicates ±standard error. Values of the same letter are not statistically significant at p < 0.05

ISSN: 1471-2229