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

Table 5 Diversity indices of seed bacterial endophytes of the highly salt-tolerant IC37 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	6.67 ± 1.45^B	6.00 ± 0.00^C	6.67 ± 0.33^A
	4 dSm⁻¹	11.0 ± 1.53^A	8.67 ± 0.88^A	6.67 ± 0.67^A
	8 dSm⁻¹	8.67 ± 1.20^AB	6.33 ± 0.88^B	6.67 ± 0.88^A
Evenness	0 dSm⁻¹	0.90 ± 0.04^A	0.80 ± 0.01^AB	0.75 ± 0.02^B
	4 dSm⁻¹	0.74 ± 0.01^B	0.89 ± 0.02^A	0.84 ± 0.02^A
	8 dSm⁻¹	0.54 ± 0.02^C	0.45 ± 0.00^B	0.33 ± 0.01^C
Shannon Index	0 dSm⁻¹	1.64 ± 0.14^B	1.43 ± 0.02^C	1.42 ± 0.02^A
	4 dSm⁻¹	1.87 ± 0.14^A	1.91 ± 0.05^A	1.58 ± 0.06^A
	8 dSm⁻¹	1.16 ± 0.07^C	0.82 ± 0.06^B	0.62 ± 0.56^B
Simpson’s Index	0 dSm⁻¹	0.79 ± 0.02^A	0.72 ± 0.01^A	0.69 ± 0.01^A
	4 dSm⁻¹	0.78 ± 0.02^A	0.84 ± 0.00^A	0.77 ± 0.01^A
	8 dSm⁻¹	0.50 ± 0.03^B	0.37 ± 0.02^B	0.26 ± 0.02^A

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