International Scholarly Research Notices

Research Article

Rapid Screening of Berseem Clover (Trifolium alexandrinum) Endophytic Bacteria for Rice Plant Seedlings Growth-Promoting Agents

Table 1

Plant growth promoting activities of nine clover endophytic strains reisolated from the root interior of rice and twenty-five strains isolated from the rhizoplane of rice grown in gnotobiotic tube culture for 20 days.
IsolateSiderophore productionPhosphorous solubilizationIAA production ( g mL−1)HCN productionACC deaminase activityChitinase activityPectinase activityCellulase activitySalicylic acid productionAntagonistic to all of the pathogens
E1−−+−++++−−
E2−++−+−++−−
E3+−+−−−+−−+
E4++++−−−+−−
E5−++−+−+−+−
E6+++−−−++−+
E7+−+−+−−+−−
E8+−++−−++−−
E9+−+−−−++−−
R1−++−+−+−−−
R2+++−−−++−−
R3+++−−−++−−
R4++++−−−+−−
R5+++−+−−+−−
R6−−+−−−−+−−
R7+−+−−−−+−−
R8+−+−−−−+−−
R9+−+++−−+++
R10+++−+−+−−−
R11+−+−−−+−−−
R12+++−+++−−−
R13+−+−−−−−−−
R14+−+++−−+−−
R15+−+−+−+++−
R16−−+−−−−+−−
R17−−++++−+−−
R18+++++−++−−
R19+−+−−−++−+
R20+−+−−−++−−
R21+++−+−++−−
R22+−+−++++−−
R23+++−−−+−−−
R24+++−+−+−−−
R25+−+−−−+−−−
−: represents no activity, +: represents activity.
E: represents isolates reisolated from the root interior of rice seedlings.
R: represents isolates reisolated from the rhizoplane of rice seedlings.