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R. Ravikesavan

Publications (10)

Analyzing the Variability and Correlation in M4 Mutants of Kodo Millet (Paspalum scrobiculatum L.) Grown in Southern India

G. Jeeva, R. Ravikesavan, K. Iyanar, M. Raveendran, A. Senthil & T. Chitjeshwari · International Journal of Plant & Soil Science · 2022

Kodo millet is one of the underutilized lost crops that has renowned nutritional and climate resilient traits. As a gluten free nutricereal, it is now being consumed in a fashion similar to that of rice and several value-added products are arising in the market day by day. Hence,...

Open access Research Article 10.9734/ijpss/2022/v34i2231462

Studies on Mutagenic Effectiveness and Efficiency of Gamma Rays and EMS in Kodo Millet (Paspalum scrobiculatum)

J. Poornima Jency & R. Ravikesavan · International Journal of Plant & Soil Science · 2022

Mutation breeding is the defined approach used for crop production and has played a key role in the creation of several varieties. The present research was carried out to induce mutants in kodo millet variety CO 3 using a physical mutagen (gamma rays) and a chemical mutagen  (Eth...

Open access Research Article 10.9734/ijpss/2022/v34i230831

Rapid Screening of Small Millet Varieties for Seedling Stage Drought Stress Tolerance

Neethu Francis, R. Ravikesavan, K. Iyanar, M. Raveendran, T. Chitdeshwari & A. Senthil · International Journal of Plant & Soil Science · 2021

Aim: Drought is one of the most important abiotic stresses that affect the yield of crops globally. The present investigation was conducted to identify small millet genotypes tolerant to seedling stage drought stress. Study Design: The experiment was laid out in Completely Random...

Open access Research Article 10.9734/ijpss/2021/v33i2330739

Identification of Contrasting Parents and Development of Mapping Population for Sucking Pest Resistance in Cotton

A. Akash, N. Manikanda Boopathi, R. Ravikesavan, A. Subramanian & K. Thirukumaran · International Journal of Environment and Climate Change · 2023

The current study was conducted to identify the best parents with good agronomical features and contrasting characteristics for sucking pest resistance to develop a population that can be used for Quantitative Trait Loci mapping of resistance component traits. Initial attempts at...

Open access Research Article 10.9734/ijecc/2023/v13i103089

Discrimination of Root System Architectural Traits, Morphometric Traits and Identification of Potential Genotypes in Response to Drought and Irrigated Conditions in Pearl Millet (Pennisetum glaucum (L.) R. Br.)

I. Santha Ebenezar, K. Iyanar, R. Ravikesavan & M. Djanaguiraman · International Journal of Environment and Climate Change · 2022

Aims: To identify the potential genotypes and the important traits for drought tolerance based on root system architectural traits and morphometric traits that can be used as a selection criteria in future crop improvement programs. Study Design: Completely randomized design for...

Open access Research Article 10.9734/ijecc/2022/v12i1131151

Additive Main Effects and Multiplicative Interaction for Seed Cotton Yield Performance and stability in Bt Cotton Hybrids (MON531 and MON15985)

Ashwini N. R. Samak, S. Rajeswari, R. Ravikesavan, Subbalakshmi Lokanadhan, N. Ganapathy & A. V. Kini · International Journal of Plant & Soil Science · 2022

A study was conducted to understand the stability of seed cotton yield of 105 Bt cotton hybrids (BGI and BGII) using Additive Main effects and Multiplicative Interactions (AMMI) analysis across three diverse locations in India during rainy season 2018. This study holds importance...

Open access Research Article 10.9734/ijpss/2022/v34i430858

Potentiality of Colchicine in Induction of Polyploids in Jasminum sambac (L.) Aiton cv. Ramanathapuram Gundumalli

G. Gopitha, K. Rajamani, M. Ganga, R. Ravikesavan & R. Gnanam · International Journal of Plant & Soil Science · 2022

The study was commenced in a compulsion toaccomplish a successful approach in developing a commercially viable polyploidy variety in Jasminum sambac. Rooted cuttings of J. sambac cv. Ramanathapuram Gundumalli were treated with different concentrations of colchicine (0.05%, 0.10%,...

Open access Research Article 10.9734/ijpss/2022/v34i2231361

Zinc Nutrition for Improving the Growth and Yield of Barnyard Millet (Echinochola frumantacea L.)

R. Gajalakshmi, T. Chitdeshwari, S. Maragatham & R. Ravikesavan · International Journal of Plant & Soil Science · 2022

Aims: To evaluate the effect of various levels and methods of zinc fertilization in improving the growth and yield of barnyard millet at different growth stages. Study Design: Randomized Block Design (RBD) with three replications. Place and Duration of Study: A field experiment w...

Open access Research Article 10.9734/ijpss/2022/v34i2131314

Molecular Characterization of Fall Armyworm (Spodoptera frugiperda, J.E. Smith) Feeding on Rice (Oryza sativa L.) in Tamil Nadu

T. Sathyan, N. Sathiah, S. Mohankumar, V. Balasubramani, R. Ravikesavan & J.S. Kennedy · International Journal of Plant & Soil Science · 2022

The fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is an invasive insect pest of India native to the Western Hemisphere. The pest damages more than 350 plant species. FAW is genetically divided into two strains viz. corn (C) strain which feeds m...

Open access Research Article 10.9734/ijpss/2022/v34i1831049

Study on In vitro Seed Germination and Seedling Development of Tuberose (Agave amica Medik.)

M. Bhuvana, P. Aruna, N. Manikanda Boopathi, M. Ganga & R. Ravikesavan · International Journal of Plant & Soil Science · 2022

Agave amica (Medik.) (Syn. Polianthes tuberosa L.) is commercially propagated asexually. For the diversification of the crop, seed propagation is essential hence there is a necessity to study the seed germination for hybrid development.  A protocol for in vitro germination of tub...

Open access Research Article 10.9734/ijpss/2022/v34i1430994