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Sivakumar Uthandi

Publications (5)

Bioactive Metabolites of Nodule Associated Microbes for Enhanced Drought Tolerance and Biocontrol Control Activity in Horsegram

Shirley Evangilene & Sivakumar Uthandi · International Journal of Plant & Soil Science · 2022

In the present study, the potential bioactive compounds detected in the ethyl acetate microbial extract of root nodules of horsegram were determined using the gas chromatography-mass spectroscopy (GC-MS).  The bioactive metabolites of nodule associated microbes (NAM) revealed the...

Open access Research Article 10.9734/ijpss/2022/v34i1831074

Physiological Adaptation and Plant Growth Promoting Functional Traits of Bacillus altitudinis FD48 under In vitro Osmotic Stress

Shobana Narayanasamy, Sugitha Thankappan & Sivakumar Uthandi · International Journal of Plant & Soil Science · 2020

To develop an osmotolerant microbe, as a bioinoculant to mitigate drought it is vital to understand the impact of osmotic stress on their growth and plant growth promoting functional traits. The present study was aimed to evaluate the physiological adaptations and plant growth-pr...

Open access Research Article 10.9734/ijpss/2020/v32i130238

Insights into the Metabolites Conferring Pathogenicity of Xanthomonas oryzae and Its Inhibition by Trichoderma longibrachiatum EF5

A. P. Sridharan, Sugitha Thankappan, Karthikeyan Gandhi & Sivakumar Uthandi · Current Journal of Applied Science and Technology · 2022

Aims: The present study was aimed to evaluate the effect of volatile and soluble metabolites of Trichoderma longibrachiatum EF5 against Xanthomonas oryzae pv. oryzae, and to identify the metabolites produced by Xanthomonas oryzae pv. oryzae in culture filtrate. Study Design:  In...

Open access Research Article 10.9734/cjast/2022/v41i1631727

Amylolytic Potential of Oleaginous Yeast in Sago Processing Wastewater (SWW) under Submerged Fermentation

Kiruthika Thangavelu, Pugalendhi Sundararaju, Naganandhini Srinivasan & Sivakumar Uthandi · Current Journal of Applied Science and Technology · 2019

Sago processing wastewater was assessed for their suitability as growth substrates using oleaginous yeasts, for the production of a useful enzyme (amylase) under submerged fermentation (SmF). Sago wastewater (pH was adjusted to 6) containing starch concentration (10% w/v) were in...

Open access Research Article 10.9734/cjast/2019/v38i430374

Impact of Nitrogen Amendments on Soil Enzyme Dynamics under Simulated Wetland Ecosystem

Dharmadurai Chennappan, Sugitha Thankappan, Ramalingam Nachimuthu, Kumutha Karunanandham & Sivakumar Uthandi · International Journal of Plant & Soil Science · 2019

Aims: To evaluate the influence of nitrogen amendments on soil enzyme dynamics in a long term incubation experiment. Study Design: An in vitro simulated wetland ecosystem designed with rhizosphere soil was enriched with different N sources. Place and Duration of Study: The study...

Open access Research Article 10.9734/ijpss/2019/v30i430181