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Chapter. Dissection of Yield Potential Related Traits: What Shall We Focus On?

By: Molero, G.
Contributor(s): Rivera Amado, A.C | Trujillo, E | Quintero, A | Gonzalez, O.E | Slafer, G.A | Calderini, D.F | Foulkes, M.J | Berry, P.M | Griffiths, S | López Castañeda, C | Singh, R.P | Reynolds, M.P | Piñera Chavez, F.J.
Material type: materialTypeLabelChapterPublisher: Mexico : CIMMYT, USAID, MASAGRO, SAGARPA, CONACYT, 2015Subject(s): Yields AGROVOC -- Conditions | Plant breeding AGROVOCOnline resources: Complete source through Dspace In: Proceedings of the International TRIGO Wheat Yield Potential p. 43-46Summary: Conceptual models of desirable trait profiles are used in wheat breeding to accumulate complementary physiological traits (Reynolds et al., 2009b). Whereas physiological breeding efforts have been focused on improving crop adaptation to abiotic stresses (Reynolds et al., 1998; Condon et al., 2004; Reynolds et al., 2005; Richards, 2006; Reynolds et al., 2009b), interest in raising the yield potential has grown recently (Reynolds et al., 2009a, 2011) with promising results to date (Reynolds et al. 2014; Reynolds et al., 2015). Under yield potential conditions, the conceptual models of traits encompass a large diversity of the potential mechanisms that are based on a combination of empiricism within a limited range of environments, as well as some speculation based on the theory (Reynolds et al., 2009b). The identification of these traits and the importance of them should be assessed by whether they fit into frameworks that are appropriate to improve yield. In this sense, only those traits of economic importance showing genetic variation and high heritability can be considered for improvement in the context of plant breeding (Jackson, 2001).
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Conference paper CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

CIMMYT Staff Publications Collection Available
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Conceptual models of desirable trait profiles are used in wheat breeding to accumulate complementary physiological traits (Reynolds et al., 2009b). Whereas physiological breeding efforts have been focused on improving crop adaptation to abiotic stresses (Reynolds et al., 1998; Condon et al., 2004; Reynolds et al., 2005; Richards, 2006; Reynolds et al., 2009b), interest in raising the yield potential has grown recently (Reynolds et al., 2009a, 2011) with promising results to date (Reynolds et al. 2014; Reynolds et al., 2015). Under yield potential conditions, the conceptual models of traits encompass a large diversity of the potential mechanisms that are based on a combination of empiricism within a limited range of environments, as well as some speculation based on the theory (Reynolds et al., 2009b). The identification of these traits and the importance of them should be assessed by whether they fit into frameworks that are appropriate to improve yield. In this sense, only those traits of economic importance showing genetic variation and high heritability can be considered for improvement in the context of plant breeding (Jackson, 2001).

Wheat CRP FP2 - Novel diversity and tools adapt to climate change and resource constraints FP3 - Global partnership to accelerate genetic gain in farmers field

Global Wheat Program

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