Efficiency of index-based selection for potential yield in durum wheat [<em>Triticum turgidum</em> (L.) ssp. <em>turgidum convar. durum</em> (Desf.) Mackey] lines

نویسندگان

چکیده

Wheat is a socioeconomically important crop in Algeria. Improving genetic gain of quantitative traits through selection at the core every successful breeding program. Selection usually performed on grain yield, but other agronomically related characteristics can also help increase indirect or multi-trait selection. The objective this work was to quantify parameters and compare efficiency direct, simultaneous methods terms predicted values wheat progenies. For purpose, 418 F4-derived lines were evaluated for six agronomic including heading date, flag leaf area, plant height, number spikes, thousand kernel weight yield an augmented block design with three check varieties. Wide variation moderately high broad-sense heritability observed recorded traits, except date. results from revealed gains assessed employed. classic index Smith Hazel (SHI) demonstrated similar compared direct Generally, selection-based showed highest responses considering all simultaneously slight inferiority SHI index. coincidence rates among indices higher than those obtained between measured traits. Based comparisons selected lines, base Williams reach up 79.51% identified by these criteria. Breeding L252, L34, L24, L130 L413 most common individuals according coincidences different used. Of these, L34 lesser extent L15 be considered promising improving yield.

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ژورنال

عنوان ژورنال: Italian Journal of Agronomy

سال: 2023

ISSN: ['1125-4718', '2039-6805']

DOI: https://doi.org/10.4081/ija.2023.2182