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Reliable discrimination of haploid (H), doubled haploid (DH) and crossing (C) plants in early growth stages could streamline DH production in maize. By detecting in early growth stages undesirable sterile H plants and undesirable heterozygous C plants, a large proportion of resources required for DH production could be saved. The goal of this study was to evaluate the effectiveness of early classification...
Key message Mainly additive gene action governed inheritance of haploid male fertility, although epistatic effects were also significant. Recurrent selection for haploid male fertility resulted in substantial improvement in this trait. Abstract The doubled haploid (DH) technology offers several advantages in maize breeding compared to the traditional method of recurrent selfing. However, there is...
Maize (Zea mays L.) grain yields have risen due to agronomic improvements and plant breeding, especially since the introduction of hybrid breeding. This study was conducted to measure the breeding progress within the flint heterotic pool of a public maize breeding program since the onset of hybrid breeding. Testcrosses with two dent testers of four flint founder lines (FL), four elite flint lines...
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