Cucurbit Genetics Cooperative Report 8:66 (Article 24) 1985 Chambonnet, D. and R. Dumas de Vaulx Institut National de la Recherche Agronomique, 84140 Montfavet, France Unfertilized ovules of Cucurbita pepo have been in vitro cultured to obtain haploid plants from the embryo-sac cells. In our first experiments we obtained embryos coming from the internal part of […]