Abstract:Pollen cross-contamination has been a major problem for maize breeders. Mechanical methods applied to avoid cross-contamination are largely ineffective and time-consuming. Cross incompatibility barriers are genetic factors involved in maize fertilization that can be used as an effective method to prevent pollen cross-contamination. Teosinte crossing barrier 1 (Tcb1) is a cross-incompatibility system in which silks possessing dominant Tcb1-s reject pollen possessing the recessive allele (tcb1). However, success… Show more
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