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R. Sivakumar

Publications (10)

Effect of PGRs and Nutrients on Growth, Physiological Parameters and Yield of Vigna mungo L. under Saline Stress

R. Sivakumar & S. Jaya Priya · International Journal of Plant & Soil Science · 2017

Aim: Pots culture experiment was conducted in order to alleviate the salinity effect in Vigna mungo L. using plant growth regulators and nutrients by assessing growth, physiological and yield parameters. Study Design: The experiment was carried out with seven treatments of differ...

Open access Research Article 10.9734/IJPSS/2017/36420

Impact of Drought on Chlorophyll, Soluble Protein, Abscisic Acid, Yield and Quality Characters of Contrasting Genotypes of Tomato (Solanum lycopersicum)

R. Sivakumar, G. K. Nandhitha & S. Nithila · Current Journal of Applied Science and Technology · 2017

Impact of drought stress on chlorophyll, chlorophyll fluorescence (Fv/Fm), chlorophyll stability index (CSI), soluble protein, abscisic acid (ABA), yield and quality of tomato (Solanum lycopersicum) genotypes was investigated for the assessment of drought tolerance under field co...

Open access Research Article 10.9734/BJAST/2017/34347

An Analysis of the Relationship between Academic Achievement and Self-concept among B.Ed. Students

Hanumantharaju K B & R. Sivakumar · Asian Journal of Education and Social Studies · 2024

This study is aimed to assess the Relationship between Academic Achievement and Self - Concept level of B.Ed., III Semester Exam Marks of B.Ed. Students have been taken for Academic Achievement. Self-Concept Scale (SCS) (2023) was constructed and validated by the Hanumantharaju K...

Open access Research Article 10.9734/ajess/2024/v50i121702

Effect of Nutrio - Hormonal Consortia on Growth and Yield in Groundnut

Tatiparthi Praisy, R. Sivakumar, D. Vijayalakshmi, R. Sasikala & R. Karthikeyan · International Journal of Environment and Climate Change · 2023

This study addresses a knowledge gap in understanding the interaction effect of nutrient-plant growth regulators on groundnut which plays a vital role in morpho-physiological processes for achieving enhanced productivity. The main goal was to evaluate how different nutrio-hormona...

Open access Research Article 10.9734/ijecc/2023/v13i102878

Alleviation of Sodicity Stress in Green Gram and Black Gram Using Plant Growth Regulating Substances

S. Nithila, R. Amutha & R. Sivakumar · International Journal of Environment and Climate Change · 2020

Most of the pulses in India are grown in low fertility, problematic soils and unpredictable environmental conditions. Major issues in pulse production are poor establishment and low harvest index. In pulses harvest index is only 15-20%. Physiological manipulations such as sprayin...

Open access Research Article 10.9734/ijecc/2020/v10i1130271

Physiological Changes in Okra (Abelmoschus esculentus L.) by Postharvest Application with Hexanal Containing Aqueous Formulations

Shubham Sachdeva, T. Sumathi, P. Irene Vethamoni, R. Sivakumar, C. Sharmila Rahale & H. Usha Nandhini Devi · International Journal of Environment and Climate Change · 2023

Aim: Okra is a vegetable that holds a significant share in both domestic and export markets, but it is prone to desiccation and fungal spoilage, leading to a short shelf life. A laboratory study was undertaken to determine the effects of hexanal containing aqueous formulation to...

Open access Research Article 10.9734/ijecc/2023/v13i102835

Evaluation of Suitable Smart Irrigation System for Black Gram

M. Karimullah, M. Raju, A. P. Sivamurugan, R. Sivakumar & S. Selvakumar · International Journal of Plant & Soil Science · 2023

A field experimental study was conducted during summer season (2023) at Eastern farm of Tamil Nadu Agricultural University, Coimbatore to evaluate suitable irrigation method for black gram. The experiment was laid out in a strip plot design which comprise main plot treatments suc...

Open access Research Article 10.9734/ijpss/2023/v35i193640

Influence of Super Nano Urea and Nano DAP on Growth Parameters of Rice Fallow Cotton under High Density Planting System

E. Mahachandramuki, K. Thirukumaran, R. Karthikeyan, R. Sivakumar, K. M. Sellamuthu & G. Prabukumar · International Journal of Plant & Soil Science · 2023

The experiment was carried out at wetlands farm, Tamil Nadu Agricultural University, Coimbatore, during summer, 2023 in a Randomized block design with ten treatments and replicated thrice. The main objective of this study is to find out the effect of varied dose of basal nitrogen...

Open access Research Article 10.9734/ijpss/2023/v35i193602

Effect of Chemical and Non-Chemical Weed Management Practices in Direct Seeded Rice

V. Kalaimathi, C. Sivakumar, P. Parasuraman, R. Sivakumar, K. P. Ragunath & M. S. Aneesa Rani · International Journal of Plant & Soil Science · 2023

A field experiment was conducted at Regional Research Station, Tamil Nadu Agricultural University, Paiyur, Tamil Nadu, India during the Summer of 2022 to study the effect of herbicide combination and non-chemical weed management techniques in puddled direct seeded rice. The exper...

Open access Research Article 10.9734/ijpss/2023/v35i183479

Complete Mechanization of Oil Seed Crop Cultivation to Augment the Potentiality of Yellow Revolution in India: A Review

R. Rithiga, S.K. Natarajan, S.R. Venkatachalam, S. Rathika & R. Sivakumar · International Journal of Plant & Soil Science · 2024

This study explores how mechanization could support oil seed production in India in line with the self-sufficiency objectives of the yellow revolution. The text highlights the limitations, such as low yields and reliance on imports, and highlights how mechanization can increase p...

Open access Research Article 10.9734/ijpss/2024/v36i84887