Author： Germanà Maria
Publisher： Springer Publishing Company
ISSN： 0167-6857
Source： Plant Cell, Tissue and Organ Culture, Vol.86, Iss.2, 2006-08, pp. : 131-146
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Abstract
The interest of fruit breeders in haploids and doubled haploids (DH), lies in the possibility of shortening the time needed to produce homozygous lines compared to conventional breeding. Haplo-diploidization through gametic embryogenesis allows single-step development of complete homozygous lines from heterozygous parents. In a conventional breeding programme, a pure line is developed after several generations of selfing. With fruit crops, characterized by a long reproductive cycle, a high degree of heterozygosity, large size, and, sometimes, self-incompatibility, there is no way to obtain haploidization through conventional methods. This paper reviews the current status of research on doubled haploid production in the main fruit crops:
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