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B. Ajithkumar

Publications (9)

Phenological Responses of Rice (Oryza sativa) to Heat Stress and their Regulation by Plant Growth Regulators

R. Manisha, B. Ajithkumar, Arjun Vysakh, M. S. Parvathi, A. Latha, P. Lincy Davis, Devanshi Maharana, K. R. Riya & Chandana B. Jyothi · International Journal of Environment and Climate Change · 2026

Rising temperatures threaten rice productivity, particularly when heat stress coincides with sensitive developmental stages. This study evaluated stage-specific phenological, physiological, and yield responses of rice (Oryza sativa L.) cv. Jyothi and examined the mitigating effec...

Open access Research Article 10.9734/ijecc/2026/v16i95626

Mitigating High Temperature Stress in Rice (Oryza sativa L.) with Osmoprotectant Foliar Sprays at Various Phenophases

Devanshi Maharana, B. Ajithkumar, Arjun Vysakh, M.S Parvathi, Sajiitha Vijayan & Lincy P. Davis · International Journal of Environment and Climate Change · 2025

Pot experiment was conducted to assess the effects of high-temperature stress on rice (Oryza sativa L.) and to identify effective mitigation strategies in kharif season (2023) in the Department of Agricultural Meteorology, Kerala Agricultural University in a factorial CRD layout....

Open access Research Article 10.9734/ijecc/2025/v15i34767

Phasic Development of Rice During the Present and Future Climatic Conditions in Central Zone of Kerala

K. Anusha, B. Ajithkumar, P. Lincy Davis, A. Latha, K. C. Ayyoob & K. R. Riya · International Journal of Environment and Climate Change · 2023

Rice is a staple food and its demand is substantially increasing with the growth of the global population. Phenological development was found to play a significant role in the distribution of carbon among plant organs, which has an impact on rice yield. Temperature affects plant p...

Open access Research Article 10.9734/ijecc/2023/v13i31677

Influence of Agrometeorological Indices on Phenology of African Marigold (Tagetes erecta L.)

Breanila Paul A, P. Lincy Davis, B. Ajithkumar, Mini Sankar, Sajitha Vijayan. M, Arjun Vysakh & Riya K. R · International Journal of Environment and Climate Change · 2025

The present study was conducted from 15th June to 1st November 2024 at the Research Farm of Kerala Agricultural University, Vellanikkara, to evaluate the duration, influence of weather variables on crop phenology and growing degree days (GDD) of African marigold (Tagetes erecta L...

Open access Research Article 10.9734/ijecc/2025/v15i115109

Development of Weather-based Yield Prediction Model for Ginger (Zingiber officinale) Using Principal Component Analysis

Arsha V., P. Lincy Davis & B. Ajithkumar · International Journal of Environment and Climate Change · 2025

Ginger (Zingiber officinale) is a herbaceous perennial plant widely recognized as a popular spice across the world. India ranks as the largest producer and consumer of ginger globally. However, ginger cultivation faces several production constraints, primarily due to variability...

Open access Research Article 10.9734/ijecc/2025/v15i95024

Yield Variability in Response to Planting Dates and Weather Conditions for Strawberry (Fragaria x ananassa Duch.) at Kerala’s High Ranges (Wayanad), India

Ajaykumar. V. C., Shajeesh Jan P., B. Ajithkumar, Chitra M. T. & Zahida P. M. · International Journal of Environment and Climate Change · 2024

The modern cultivated strawberry (Fragaria x ananassa Duch.) is a highly valuable crop, known for its quick return on investment and adaptability to varying climates. This study examines how different planting dates and weather conditions effect the yield of the Winter Dawn culti...

Open access Research Article 10.9734/ijecc/2024/v14i124660

Impact of Weather Variables on Phenophase and Yield of Kharif Rice (Oryza sativa L.) in Central Zone of Kerala

Chandana B. Jyothi, P. Lincy Davis, B. Ajithkumar, A. Latha, Sajitha Vijayan. M., Arjun Vysakh & Riya K. R · International Journal of Environment and Climate Change · 2024

Rice is the most commonly consumed crop worldwide, serving as a staple food for almost half of the global population. A field experiment was conducted at the Agricultural Research Station, Mannuthy, Kerala Agricultural University, Kerala during kharif season 2023 to assess the im...

Open access Research Article 10.9734/ijecc/2024/v14i124663

Mushroom Cultivation MOOC at Kerala Agricultural University: Garrett Ranking Analysis of Constraints to Enhance Online Agriculture Learning

Navitha V. N., Mercykutty M. J., Binoo P. Bonny, B. Ajithkumar & Jaliya M. K. · Asian Journal of Agricultural Extension, Economics & Sociology · 2024

Participants in this extensive Massive Open Online Course (MOOC) on mushroom cultivation will gain a wealth of knowledge and useful skills necessary for cultivating a wide variety of mushrooms. In this study, the Center for e-learning at Kerala Agriculture University will analyse...

Open access Research Article 10.9734/ajaees/2024/v42i22357