K. Amarnath

Identification of High Zinc and Iron Rich Genotypes through Germplasm Screening in Rice

S. BALAJI NAYAK, BNVSR. RAVI KUMAR, Y.S. SATISH KUMAR, M. JYOSTNA KIRANMAI & K. Amarnath · Asian Journal of Soil Science and Plant Nutrition · 2026

The present study was conducted to evaluate genetic variability for grain micronutrient content in rice and to identify promising donor genotypes for biofortification. Fifty rice germplasm entries were assessed for grain zinc (Zn), iron (Fe), manganese (Mn), and copper (Cu) conce...

Open access Research Article 10.9734/ajsspn/2026/v12i1653

Comprehensive Study of Sunflower Traits through Principal Component Analysis and Character Association

Y. Prudhvi Kumar Reddy, B.V. Ravi Prakash Reddy, P. Shanthi, K. Venkataramanamma, K. Amarnath & B. Chandra Reddy · Journal of Experimental Agriculture International · 2025

This research evaluated the genetic diversity and character association among 45 sunflower inbred lines. Principal component analysis (PCA) and hierarchical cluster analysis were used to estimate diversity among the inbred lines. The PCA revealed that the first three principal co...

Open access Research Article 10.9734/jeai/2025/v47i103839

Unlocking the Genetic Potential by Assessing Combining Ability and Heterosis for Yield and its Component Traits in Sunflower (Helianthus annuus L.)

B.V. Ravi Prakash Reddy, S. Neelima, K. Venkataramanamma, K. Prabhakar, K. Amarnath & B. Chandra Reddy · Journal of Advances in Biology & Biotechnology · 2024

The present investigation was executed with two lines and 12 testers along with 24 F1s and check NDSH 1012 for six yield and its component traits to ascertain the combining ability and heterosis. The analysis of variances showed highly significant differences among the parents fo...

Open access Research Article 10.9734/jabb/2024/v27i7971