Abstract
Production of homozygous pure parental lines is the first stage of hybrid vegetable breeding. Unfortunately, producing pure lines takes a long time by classical breeding methods, especially in open-pollinated vegetable species, and this period can be up to 8-10years. Recently, doubled haploid (DH) technology, as a set of biotechnological methods, has emerged as an alternative to classical breeding methods and allows for the generation of 100% homozygous pure double haploid lines in 1 or 2years. Although haploid plants were successfully produced via irradiated pollen technique and gynogenesis in some Cucurbita species, haploid plants have not been obtained from some lines due to genotype dependency, and haploidy frequency is still not sufficient for use in a breeding program. Thus, anther culture technique has emerged as an alternative technique in the DH process. The main objective of this chapter is to provide explanatory information on anther culture technique applied in the Cucurbita genus. For this purpose , key points and details of methods and protocols of the anther culture technique are described in summer squash (Cucurbita pepo L.), pumpkin (Cucurbita moschata Duch.), and winter squash (Cucurbita maxima Duch.).
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