1. Differentiation of virus-symptomless geranium plants from anthers callus;Abo El-Nil;Plant Dis. Rep.,1971
2. Papa corahila libre de virus mediante cultivo de meristemas;Accatino;Agric. Tec. Santiago,1966
3. Some features of somatic hybrids between Solanum tuberosum and S. chacoense and its F1 sexual progeny;Butenko,1982
4. The regeneration of virus-free plants from cucumber mosaic virus and potato virus Y infected tobacco plants cultured in the presence of virazole;Cassels;Z. Naturforsch., C: Biosci.,1980
5. Failure of sugarcane mosaic virus to survive in cultured sugarcane tissue;Dean;Plant Dis.,1982