1997
DOI: 10.1590/s0103-84781997000400028
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Piramidização de genes de resistência às ferrugens em cereais

Abstract: As ferrugens são as moléstias mais danosas para os cereais, sendo capazes de provocar grandes perdas no rendimento de grãos. O melhoramento de cereais para resistência às ferrugens tem feito uso de um ou poucos genes de grande efeito. Contudo, o curto intervalo de tempo que o patógeno leva para superar este tipo de resistência tem suscitado a questão do uso de estratégias alternativas para aumentar a sua durabilidade. O objetivo desta revisão é discutir aspectos relacionados ao processo de piramidização de gen… Show more

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Cited by 4 publications
(2 citation statements)
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“…Associations between resistance genes and molecular markers have been used for mapping such genes to specific linkage groups (Milach and Cruz, 1997). The common bean (2 n = 2 x = 22) consensus map is organized into 11 chromosomes (Nodari et al, 1993; Freyre et al, 1998; Pedrosa Harand et al, 2008).…”
Section: Discussionmentioning
confidence: 99%
“…Associations between resistance genes and molecular markers have been used for mapping such genes to specific linkage groups (Milach and Cruz, 1997). The common bean (2 n = 2 x = 22) consensus map is organized into 11 chromosomes (Nodari et al, 1993; Freyre et al, 1998; Pedrosa Harand et al, 2008).…”
Section: Discussionmentioning
confidence: 99%
“…Eventually, biotechnology may establish yield level plateaus, based on limits imposed by the pyramiding (Milach & Cruz, 1997) of genes for the characteristics created via biotechnology or existing in the germplasm, resulting in the so-called genetic gridlock. On the other hand, new perspectives untaught of by the breeder will be created, which may overcome the existing limitations.…”
Section: Biotechnology's Risks and Benefitsmentioning
confidence: 99%