Abstract:
Oryctes rhinoceros (Coleptera: Scarabaedae) is one of the important pests which attack Palm oil (Elaeis guineenssis Jacq), especially in palm oil plantations which in the newly opened planted on peat. O. rhinoceros can cause physical damage directly up to 69%. To control this pest undertaken by farmers is the use of chemical pesticides that can cause damage to the environment, injuries the health of other living organism, pest resistance and pest resurgence. Therefore need another tecknologi to control this pest is the use of Metarizhium anisopliae which save for environment. The research was conducted at the Technical Implementation Unit, Experimental Field, Faculty of Agriculture, University of Riau from February 2013 until April 2013. The research carried out by using of Randomized Block Design with 3 treatments and 4 blocks. The treatment is using 1 of larva O. rhinoceros besmeared M. anisopliae, 2 of larvae O. rhinoceros besmeared M. anisopliae, and 3 of larvae O. rhinoceros besmeared M. anisopliae. The result showed that the treatment 3 of larvae O. rhinoceros besmeared M. anisopliae is suitable to Infect healthy larvae O. rhinoceros because can cause 65% larvae infected. The percentage of larvae mortality is 55%.
