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- W4313393618 abstract "Most germplasm improvement aims at enhancing genetic gains or overall crop productivity. While maintaining the genetic purity and breeding value of varieties or parental lines, along with the genetic gains already achieved, breeders concentrate on enhancing the life span of released varieties and commercial hybrids. To do so, commercial breeding programs often validate the breeding value of currently used parental lines. The selected plants are test crossed with the respective counterpart and screened for traits related to quality, adaptability to biotic and abiotic stress, and yielding ability. Only those plants and their progenies, which meet the required genotypic performance, are bulked and used, first as breeder seed and then in the seed multiplication chain. This specific process is called maintenance breeding (MB). As it requires one or more additional crop seasons for testing and evaluation of a large number of single plants, only the leading and commercially key hybrids are normally subjected to this process. The methods used in MB differ, depending on the pollination and emasculation mechanisms, as well as the growth and flowering behavior of the crop. This chapter describes the processes and methods followed in the maintenance breeding of hybrids in important field and vegetable crops." @default.
- W4313393618 created "2023-01-06" @default.
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- W4313393618 date "2022-01-01" @default.
- W4313393618 modified "2023-10-16" @default.
- W4313393618 title "Maintenance Breeding" @default.
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- W4313393618 doi "https://doi.org/10.1007/978-981-19-5434-4_7" @default.
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