• All modern, commercial planting material consists of tenera palms or DxP hybrids, which are obtained by crossing thickshelled dura with shell-less pisifera. (wikipedia.org)
  • Crossing the dura and pisifera to give the thin-shelled tenera fruit type improved partitioning of dry matter within the fruit, giving a 30% increase in oil yield at the expense of shell, without changing total dry matter production. (wikipedia.org)
  • 2009). During each cycle of selection, the dura (D) and tenera/pisifera (T/P) base populations are kept separate and outstanding dura and tenera palms are identified through the performance of D × T and D × P progenies. (academicjournals.org)
  • this variety is the result of a hybridization of Dura and Pisifera, and has a high commercial value. (afrimash.com)
  • Oil palm breeding involves crossing dura and pisifera palms to produce tenera progeny with greatly improved oil yield. (afpm.org.my)
  • 2017) Development, identification and validation of CAPS marker for SHELL trait which governs dura, pisifera and tenera fruit forms in oil palm (Elaeis guineensis Jacq. (icar.gov.in)
  • Oil palm plantations mainly consist of hybrid tenera trees, which are produced by crossing a dura mother left 4 dead 2 free cheats download and a pisifera father plant. (hardwooddeal.com)
  • A key event in the domestication and breeding of the oil palm, Elaeis guineensis, was loss of the thick coconut-like shell surrounding the kernel.Modern E. guineensis has three fruit forms, dura (thick-shelled), pisifera (shell-less) and tenera (thin-shelled), a hybrid between dura and pisifera 1-4. (saussard.be)
  • Although common commercial germinated seed is as thick-shelled as the dura mother palm, the resulting palm will produce thin-shelled tenera fruit. (wikipedia.org)
  • citation needed] A 1992 study at a trial plot in Banting, Selangor, revealed the "yield of Deli dura oil palms after four generations of selection was 60% greater than that of the unselected base population. (wikipedia.org)
  • Most commercial plantations are established based on Tenera palms. (afrimash.com)
  • The wild and half wild palm tree in Africa called dura, and the by breeding, develop a kind named tenera with high oil yield and thin shell. (evangelicaloutpost.com)
  • Since then, the oil palm industry in Malaysia flourished especially following the shifting of Deli Dura palm to Tenera palm in the 1960s, which contributed to a 30% increase in yield. (mabjournal.com)
  • Dura trees are Sh+/+ and contain a thicker shell and a thinner mesocarp, thus producing less oil. (nature.com)
  • tenera Before the Second World War, selection work had started in the Deli dura population in Malaya. (wikipedia.org)
  • b ) Open tenera fruits showing fleshy mesocarp from which palm oil is extracted and kernel that contains an oil with shorter fatty acids. (nature.com)
  • Two seedlings each from the botanic gardens of Amsterdam and Mauritius, the thick-shelled or dura form (Plate 1A) derived presumably from the same palm in West Africa, were taken and grown in the Bogor Botanic Gardens, Java, Indonesia in 1848. (aarsb.com.my)
  • tenera Before the Second World War, selection work had started in the Deli dura population in Malaya. (wikipedia.org)
  • However, E. kamerunicus is much more persistent, and after it was introduced, Deli dura contamination[clarification needed] became a significant problem. (wikipedia.org)
  • This uniform high oil yielding Deli dura was the commercial planting material for the rapidly expanding plantations in the Far East from 1911 till the early 1960s. (aarsb.com.my)