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J. Jayakumar

Publications (14)

Biological Control of Root knot Nematode, Meloidogyne incognita Using Nematode Antagonist in Tomato

J. Jayakumar, M. Shanmugapriya, S. Ganapathy, V. Ravichandran, P. Veeramani & S. Thiruvarassan · International Journal of Plant & Soil Science · 2023

Tomato (Solanum lycopersicum L.) is the world's largest vegetable crop after potato and sweet potato. Root knot nematodes, Meloidogyne incognita, pose a significant threat to tomato crops worldwide. To combat this nematode pest, biological control methods have been developed to r...

Open access Research Article 10.9734/ijpss/2023/v35i234243

Evaluation of Sugarcane (Saccharum spp. hybrids) Clones for Yield and Quality and Its Contributing Traits

S. Ganapathy & J. Jayakumar · Journal of Experimental Agriculture International · 2023

Evaluation and identification of varieties for different agro-climatic condition is of prime importance in sugarcane cultivation for farmers. The present investigation was undertaken with the objective of evaluation of sugarcane clones for yield and quality and its contributing t...

Open access Research Article 10.9734/jeai/2023/v45i72140

Effect of Heat stress (Elevated Temperature) in Rice: A Critical Review

K. Kalaichelvi, G. Gayathry, J. Jayakumar, K. Natarajan & P. Murali Sankar · Advances in Research · 2025

In the 20th century, global warming led to a 0.5 0C increase in air temperature; projections for the 21st century estimate a rise of 1.5–4.5 0C and higher temperatures are expected to become more common in the future. A rise in temperature above 33 °C has resulted in decreased ri...

Open access Research Article 10.9734/air/2025/v26i61546

Improving Productivity of Semi Dry Rice Through Field Demonstrations in Ramanathapuram District, Tamil Nadu, India

S. Ganapathy, Shibi Sabastian, J. Jayakumar & P. Arunachalam · Advances in Research · 2024

Field demonstrations were conducted at farmer’s field under semi dry rice cultivation in direct sowing by seed drill with short duration drought tolerant rice variety RMD 1. A total of 155 field demonstrations were conducted at farmer’s fields by ICAR, Krishi Vigyan Kendra, Raman...

Open access Research Article 10.9734/air/2024/v25i61228

Yield and Economic Analysis of Mothbean under Rainfed Condition of Villupuram District, Tamil Nadu, India

S. Ganapathy, S. Shibi, J. Jayakumar & P. P. Murugan · Asian Journal of Agricultural Extension, Economics & Sociology · 2024

Field demonstrations were conducted on drought tolerant short duration moth bean variety with improved production technologies by Krishi Vigyan Kendra (KVK), Villupuram, Tamil Nadu for increase the productivity and sustainability. A total of 15 field demonstrations were conducted...

Open access Research Article 10.9734/ajaees/2024/v42i122657

Validation of Early Maturing Sugarcane Clones for Yield and Juice Quality Traits

S. Ganapathy, V. Ravichandran & J. Jayakumar · Asian Research Journal of Agriculture · 2024

The present investigation in sugarcane (Saccharumspp. hybrids) was carried out to evaluate and validate the performance of early duration clones for cane yield and quality characters at sugarcane Research Station (TNAU) Cuddalore, Tamil Nadu. Observations were recorded fornumber...

Open access Research Article 10.9734/arja/2024/v17i4606

Evaluation of CO 52 Rice Variety for Enhanced Productivity in Cuddalore District of Tamil Nadu, India

S. Ganapathy, K. Nageswari, J. Jayakumar & P. Veeramani · International Journal of Plant & Soil Science · 2024

Selection of high yielding variety is an important factor in rice cultivation for a particular location/ environment. Cultivation of newly released rice variety has potential to increase the productivity and needs to be promoted and popularized. In this regard, the present invest...

Open access Research Article 10.9734/ijpss/2024/v36i84872

Yield, Quality and Disease Resistance of Sugarcane Clones: A Field Evaluation

Ganapathy, S, V. Ravichandran & J. Jayakumar · Journal of Experimental Agriculture International · 2024

Evaluation and identification of sugarcane clones for different maturity groups is of paramount importance in sugarcane cultivation to get higher recoveries in sugar mills. A field experiment was conducted to evaluate the performance of early maturing sugarcane clones for red rot...

Open access Research Article 10.9734/jeai/2024/v46i52354

Seasonal Rainfall Forecast Verification Analysis for Vridhachalam, Tamil Nadu, India

C. Arulmathi, S. Arul Prasad, J. Jayakumar, K. Natarajan & M. Vengateswari · International Journal of Environment and Climate Change · 2023

Seasonal rainfall patterns play a vital role in shaping agricultural practices, crop yields and water resource management in various regions. In the context of Virdhachalam Block, Cuddalore District, accurate forecasts of seasonal rainfall are crucial for successful crop sowing,...

Open access Research Article 10.9734/ijecc/2023/v13i92579

Performance of Mid-late Sugarcane Clones in AICRP(S) Trials for Quality Traits and Red Rot Resistance

S. Ganapathy, V. Ravichandran & J. Jayakumar · International Journal of Plant & Soil Science · 2022

A field experiment was conducted to evaluate the performance of mid-late sugarcane pre-release clones for CCS yield and its contributing characters along with red rot disease resistance. Observation on brix per cent, sucrose (%), purity (%), extraction (%), fibre (%), CCS (%), ca...

Open access Research Article 10.9734/ijpss/2022/v34i242737

Performance Evaluation of Early-Maturing Sugarcane Clone CoC 08336 Under East Coast Zone Conditions of India

S. Ganapathy, R. Latha, R. Kanchanarani, J. Jayakumar & V. Ravichandran · Journal of Experimental Agriculture International · 2025

The field experiment in sugarcane was conducted to evaluate the performance of clone CoC 08336 for cane yield and CCS yield along with national checks. The present study consists of three yield evaluation trials viz., Advanced Varietal Trial- plant- I, Advanced Varietal Trial- Pl...

Open access Research Article 10.9734/jeai/2025/v47i123953

Resistance of Sugarcane Clones (Saccharum spp.) to Red Rot Disease (Collectorichum falcatum Went) and Analysis of Resistant clone by FTIR

V. Ravichandran, S. Ganapathy, M. Shanmuganathan, J. Jayakumar, G. Gayathry, P. A. Saravanan & P. Veeramani · International Journal of Plant & Soil Science · 2023

Sugarcane (Saccharum spp.) is an important industrial crop and mainly grown for the sugar and jaggery production. The major constraint in the sugarcane cultivation is the outbreak of red rot disease and many high yielding and high sugar varieties succumb to the disease-causing hu...

Open access Research Article 10.9734/ijpss/2023/v35i183391

Enhancing Vermicompost Quality with Azolla pinnata: Enriched Goat Dung for Sustainable Agriculture

G. Gayathry, K. Natarajan, T. Jayalakshmi, K. Kalaichelvi, K. Bharathikumar, J. Jayakumar & M.P. Sugumaran · Journal of Advances in Microbiology · 2025

In regenerative agriculture, this study explores the potential of Azolla pinnata-enriched goat dung vermicompost as a sustainable and nutrient-rich organic fertilizer. Goat dung was collected from integrated farming units established at Krishi Vigyan Kendra, Vridhachalam and farm...

Open access Research Article 10.9734/jamb/2025/v25i1889

Enhancing Rainfed Castor Growth, Seed, and Oil Yield Via Nano Urea Application

Veeramani, P., K. Subrahmaniyan, S. Manickam, V. Ravichandran, P. A. Saravanan, J. Jayakumar & C. Harisudan · International Journal of Environment and Climate Change · 2023

Aims: Conventional urea fertilizer has been critical in enhancing castor yields. However, nano urea, a game-changing technology in modern agriculture, provides a significant advancement in terms of sustainable and efficient crop production. Study Design:  The experiment was condu...

Open access Research Article 10.9734/ijecc/2023/v13i123659