1. Christensen HM, Bamford R (1943) Haploids in twin seedlings of pepper. J Hered 34:99–104
2. Campos FF, Morgan DT Jr (1958) Haploid pepper from a sperm. J Hered 49:134–137
3. Toole MG, Bamford R (1945) The formation of diploid plants from haploid peppers. J Hered 36:67–70
4. Pochard E, Dumas de Vaulx R (1979) Haploid parthenogenesis in Capsicum annuum L. In: Hawkes JG (ed) The biology and taxonomy of the Solanaceae. Academic, London
5. Vagera J (1990) Pepper (Capsicum spp.): in vitro haploid induction of haploids. In: Bajaj YPS (ed) Biotechnology in agriculture and forestry, vol 12. Springer, New York