1. Bellartz S (1956) Das Pollenschlauch Wachstum nach arteigener und artfremder Bestäu–bung einiger Solanaceen und die Inhaltsstoffe ihres Pollens und ihrer Griffel. Planta 47: 588–612
2. Browning JA (1979) Genetic protective mechanisms of plant–pathogen populations: their coevolution and use in breeding for resistance. In: Harris MK (ed) Biology and breeding for resistance to arthropods and pathogens in agricultural plants. Texas A & M Univ, pp 52–75
3. Bushnell WR (1979) The nature of basic compatibility: comparisons between pistil-pollen and host-parasite interaction. In: Daly JM, Uritani I (eds) Recognition and specificity in plant host–parasite interactions. Univ Park Press, Baltimore, pp 221–227
4. Bushnell WR, Rowell JB (1981) Suppressors of defense reactions: a model for roles in specificity. Phytopathology 71: 1012–1014
5. Chaleff RS (1981) Genetics of higher plants. Applications of cell culture. Cambridge Univ Press, Cambridge London New York Melbourne Chmielewski T (1968) Cytogenetical and taxonomical studies on a new tomato form, Part II. Genet Pol 9: 97–124