T. Manjunatha

Variability, Correlation Patterns and Principal Component Analysis (PCA) for Seed Yield and Contributing Traits in Castor (Ricinus communis L.)

Kadam Abhishek Deepak, T. Manjunatha, V. Hemalatha & D. Srinivasa Chary · Journal of Advances in Biology & Biotechnology · 2024

Castor (Ricinus communis L.) is a vital crop for industrial applications in more than 250 products including lubricants, paints, cosmetics, pharmaceuticals etc. This study is an attempt to understand the genetic diversity in 15 male (monoecious) and 15 female (pistillate) advance...

Open access Research Article 10.9734/jabb/2024/v27i81246

Screening of Castor (Ricinus communis L.) Genotypes for Resistance to Root Rot Caused by Macrophomina phaseolina under Pot Conditions

M. Avanija, M. Santha Lakshmi Prasad, V. Ramya, S. N. C. V. L. Pushpavalli & T. Manjunatha · Journal of Scientific Research and Reports · 2026

Aims: Castor (Ricinus communis L.) is one of the oldest cultivated non-edible oilseed crops belonging to the family Euphorbiaceae. India stands as the leading producer and exporter of castor oil, accounting for approximately 68 per cent of the world's castor cultivation area and...

Open access Research Article 10.9734/jsrr/2026/v32i104540

Evaluation of Agronomic Traits and Genetic Relationships among Elite Breeding Lines of Castor (Ricinus communis L.)

Nagaraj Uday Bhat, K. Sadaiah, Ramya K.T., Ch. Anuradha & T. Manjunatha · Journal of Experimental Agriculture International · 2025

Aims: To evaluate genetic variability, heritability, and trait associations among 50 elite castor breeding lines and two check varieties to identify key agronomic traits for improving seed yield and oil content. Study Design: Augmented randomized complete block design. Place and...

Open access Research Article 10.9734/jeai/2025/v47i73599