Inter-Varietal Hybridization in Nerium oleander L.: Assessment of Reproductive Performance, Seed Viability, and Germination Potential
Udaya T. V, Pavan Kumar P, Balaji S. Kulkarni, Bapuraygouda Patil, Itigi Prabhakar, Mohammed Abdul Waseem
Journal of Scientific Research and Reports · pp. 1108–1113 · Published 22 Nov 2025
10.9734/jsrr/2025/v31i113740Abstract
Inter-varietal hybridization is an effective approach to improve ornamental and commercial traits in Nerium oleander L., an evergreen shrub of significant horticultural and medicinal importance. The present study evaluated 16 inter-varietal crosses for pod set, pod drop, seed viability, and germination potential to identify superior parental combinations. Pod set varied widely, with the highest recorded in UHSBN-4 × UHSBN-3 (67.39%) and UHSBN-26 × UHSBN-28 (66.67%), indicating high cross-compatibility. Seed viability ranged from 0.0% in incompatible crosses to 71.0% in UHSBN-24 × UHSBN-12, while germination rates varied from 0.0% to 68.0%, reflecting genetic and physiological barriers in certain combinations. The study highlights UHSBN-24 × UHSBN-12, UHSBN-8 × UHSBN-19, and UHSBN-26 × UHSBN-28 as promising hybrids for ornamental and commercial cultivation. These findings provide valuable insights for breeding strategies aimed at improving Nerium quality and productivity.
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