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2. Morphogenesis in Helianthus tuberosus: Genotype influence and increased totipotency in previously regenerated plants;Bianchi;Biologia Plantarum,1999
3. Applications of tissue culture in forestry;Bonga,1977
4. Plant propagation through tissue culture emphasizing wood species;Bonga,1980
5. Effects of 1, 2-dichloro-phenoxyacetic acid on the expression of embryogenic program in carrot;Borkird;Plant Physiology,1986