YUSNITA., and DWI HAPSORO. “ <p class="MsoNormal" style="margin-bottom:.0001pt;text-align:justify;text-indent:14.15pt;line-height:normal;"><strong><span style="font-size:9pt;">This Research Was to Study <em>in vitro</em> Callus Induction and Somatic Embryogenesis in Oil Palm from Leaf Explants. Young Leaf Segments from Mature Oil Palm Were Cultured on MS Medium Supplemented With Different Concentrations of 2,4-D With or Without Addition of 2 g/l Activated Charcoal (AC) or 2,4-D and Picloram. Embryogenesis Induction Was Done Using MS Medium Containing 2,4-D 450 </span></strong><strong><span style="font-size:9pt;font-family:Symbol;">m</span></strong><strong><span style="font-size:9pt;">M and Benziladenine 4.4 </span></strong><strong><span style="font-size:9pt;font-family:Symbol;">m</span></strong><strong><span style="font-size:9pt;">M With 3g/l Activated Charcoal. The Treatment of 2,4-D 15 </span></strong><strong><span style="font-size:9pt;font-family:Symbol;">m</span></strong><strong><span style="font-size:9pt;">M Resulted in the Highest Percentage of Callus Induction. The Treatment of 2,4-D and AC Showed That 2,4-D 450 </span></strong><strong><span style="font-size:9pt;font-family:Symbol;">m</span></strong><strong><span style="font-size:9pt;">M and AC Led to Higher Percentage of Callus Induction Than That of 2,4-D 400 </span></strong><strong><span style="font-size:9pt;font-family:Symbol;">m</span></strong><strong><span style="font-size:9pt;">M and 2 g/l AC. Embryogenesis Occured in 27 Out of 250 Clumps of Primary Callus Was Occurred After 2-3 Times Subcultures. Somatic Embryo Development Occurred When the Embryogenic Callus Was Transferred on the Same Basal Medium Supplemented With Casein Hydrolysate With 1 </span></strong><strong><span style="font-size:9pt;font-family:Symbol;">m</span></strong><strong><span style="font-size:9pt;">M BA or Growth Regulator Free Basal Medium With 2 g/l Activated charcoal.</span></strong></P&gt;”. HAYATI Journal of Biosciences 18, no. 2 (1): 61. Accessed May 8, 2024. https://journal.ipb.ac.id/index.php/hayati/article/view/%20%3Cp%20class%3D%22MsoNormal%22%20style%3D%22margin-bottom%3A.0001pt%3Btext-align%3Ajustify%3Btext-indent%3A14.15pt%3Bline-height%3Anormal%3B%22%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3B%22%3EThis%20research%20was%20to%20study%20%3Cem%3Ein%20vitro%3C%2Fem%3E%20callus%20induction%20and%20somatic%20embryogenesis%20in%20oil%20palm%20from%20leaf%20explants.%20Young%20leaf%20segments%20from%20mature%20oil%20palm%20were%20cultured%20on%20MS%20medium%20supplemented%20with%20different%20concentrations%20of%202%2C4-D%20with%20or%20without%20addition%20of%202%20g%2Fl%20activated%20charcoal%20%28AC%29%20or%202%2C4-D%20and%20picloram.%20Embryogenesis%20induction%20was%20done%20using%20MS%20medium%20containing%202%2C4-D%20450%20%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3Bfont-family%3ASymbol%3B%22%3Em%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3B%22%3EM%20and%20benziladenine%204.4%20%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3Bfont-family%3ASymbol%3B%22%3Em%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3B%22%3EM%20with%203g%2Fl%20activated%20charcoal.%20The%20treatment%20of%202%2C4-D%2015%20%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3Bfont-family%3ASymbol%3B%22%3Em%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3B%22%3EM%20resulted%20in%20the%20highest%20percentage%20of%20callus%20induction.%20The%20treatment%20of%202%2C4-D%20and%20AC%20showed%20that%202%2C4-D%20450%20%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3Bfont-family%3ASymbol%3B%22%3Em%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3B%22%3EM%20and%20AC%20led%20to%20higher%20percentage%20of%20callus%20induction%20than%20that%20of%202%2C4-D%20400%20%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3Bfont-family%3ASymbol%3B%22%3Em%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3B%22%3EM%20and%202%20g%2Fl%20AC.%20Embryogenesis%20occured%20in%2027%20out%20of%20250%20clumps%20of%20primary%20callus%20was%20occurred%20after%202-3%20times%20subcultures.%20Somatic%20embryo%20development%20occurred%20when%20the%20embryogenic%20callus%20was%20transferred%20on%20the%20same%20basal%20medium%20supplemented%20with%20casein%20hydrolysate%20with%201%20%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3Bfont-family%3ASymbol%3B%22%3Em%3C%2Fspan%3E%3C%2Fstrong%3E%3Cstrong%3E%3Cspan%20style%3D%22font-size%3A9pt%3B%22%3EM%20BA%20or%20growth%20regulator%20free%20basal%20medium%20with%202%20g%2Fl%20activated%20charcoal.%3C%2Fspan%3E%3C%2Fstrong%3E%3C%2Fp%3E.