About the journal

Vingnanam is a biannual refereed Journal of the Faculty of Science, University of Jaffna, Sri Lanka. It publishes original research papers and short research communications in the field of Science and Technology.

Articles

Latest published articles (Volume 20 – Issue 2 – 2025)

Assessment of Farmers’ Awareness, Perceptions, and Management Practices Related to Onion Anthracnose –Twister Disease in Sri Lanka

Author(s) Kothai Kaveevendan, Christy Jeyaseelan Emmanuel,  Devika Malkanthi De Costa Abstract Onion is a vital crop for the Sri Lankan economy, yet its productivity is severely constrained by anthracnose–twister disease (ATD) caused by Colletotrichum and Fusarium species. This study assessed farmers’ awareness, perceptions, and management practices related to the disease across seven major onion-growing...

Green synthesis of copper oxide and zinc oxide nanoparticles from Spondias dulcis leaf extract and their application for the removal of toxic methylene blue dye residue from water bodies

Author(s) Keerththana Sivapatham, Ratnasothy Srikaran Abstract Wastewater from the textile industry is a major source of water contamination, primarily due to its high concentration of residual dyes. Even in small quantities, these dyes are toxic, mutagenic, and carcinogenic, posing significant risks to both aquatic life and human health. This has...

Enhancing Student Engagement in Physics Education through Autonomy-Supportive Intervention Program: An Experimental Study in Jaffna Educational Zone

Author(s) Vijayakumaran Ponnampalam, Prasanna Liyanage, Velnamby.T Abstract Student engagement in physics education is a persistent challenge, particularly in the Jaffna district of Sri Lanka, where traditional teacher-centered approaches limit autonomy and intrinsic motivation. Grounded in Self-Determination Theory (SDT), this study examines the impact of an Autonomy-Supportive Intervention Program (ASIP) on...