Paper Details

PJB-2025-469

ELUCIDATION OF SEED YIELD AND QUALITY TRAITS OF Brassica napus GENOTYPES

Aliza Shahid
Abstract

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Brassica napus (canola) is a vital oilseed crop globally recognized for its high oil content and adaptability to diverse agro-ecological conditions. This study aimed to elucidate seed yield and quality traits among 25 genotypes of B. napus evaluated under rainfed conditions at Barani Agricultural Research Institute (BARI), Chakwal during Rabi 2023–24 and 2024–25. Genotypic differences were analyzed for morphological, phenological, and biochemical attributes using ANOVA and CV% to assess trait variability. Significant genetic variation (p < 0.01) was observed for major agronomic traits such as plant height, seed yield, days to flowering, 1000-seed weight, and quality indices including erucic acid and glucosinolate content. High heritability and genetic advance in traits like siliqua number and seed weight highlight their potential for selection in breeding programs. Environmental interactions influenced trait expression, especially under moisture-stressed conditions. These findings support the identification of stable, high-performing genotypes suitable for yield improvement and oil quality enhancement in arid environments.

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