many factors may influence the efficiency of somatic embryogenesis. this capability may be differ with regard to media compositions, genotype, tissue, organ ontology and the stage of differentiation. the effects of five salicylic acid concentrations (0, 25, 50, 75 and 100 mm) on different stages of carrot somatic embryogenesis were studied using petiole and root secondary phloem explants as sta...

Hagemann (Muench. Med. Wochschr. 85:1066, 1938) discovered that tubercle bacilli have selective affinity for phenol-auramine stain. Since then, several investigators (Richards, Kline, and Leach, Am. Rev. Tuberc. 4:255, 1941; Bogen, Am. Rev. Tuberc. 4:267, 1941; Lempert, Lancet 2:818, 1944; Gray, Am. Rev. Tuberc. 68:82, 1953; Kuper and May, J. Pathol. Bacteriol. 79:59, 1960) have advocated its u...