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Dissecting heterosis and combining ability for yield and TYLCV resistance in tomato under field conditions.

BMC plant biology - 23 Apr 2026

Hatamifard Mahnaz, Lotfi Mahmoud, Ramshini Hossein

Abstract excerpt

BACKGROUND: Tomato (Solanum lycopersicum L.) is one of the most important horticultural crops worldwide, with yield and fruit quality strongly constrained by biotic stresses, particularly tomato yellow leaf curl virus (TYLCV). Hybrid breeding through the exploitation of heterosis is a highly effective approach for improving yield, fruit quality, and TYLCV resistance. To investigate the genetic basis of heterosis...

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Identifiers

PMID: 42026486
DOI: 10.1186/s12870-026-08806-1
PMCID: PMC13238076

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