2022
DOI: 10.31220/agrirxiv.2022.00127
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Selection for high spike fertility index in early generations increases grain number per unit area (and yield) of advanced breeding lines in bread wheat.

Abstract: Spike fertility index (a.k.a. fruiting efficiency) at maturity (FEm) has been proposed as a promising selection criterion for improving grain yield (GY) in bread wheat. However, its usefulness as an early-generation selection criterion aiming at increasing GY in advanced generations remains to be established. On the other hand, there is no information about the feasibility of using spike harvest index (SHI) as an indirect selection criterion for increasing GY. In this study, a biparental population derived fro… Show more

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