KARAKTERISTIK DIMENSI BERAS LOKAL PROPINSI SUMATERA UTARA DAN KAJIAN KERENTANANNYA TERHADAP Sitophilus oryzae (Coleoptera: Curculionidae)

The rice weevil, Sitophilus oryzae L. (Coleoptera: Curculionidae) is a major pest and causes damage to in storage. This study aimed the dimensional characters determine susceptibility of from germplasm paddy local Dairi Regency, North Sumatra Province, against S. during types are Sibatubara, Siramos, Sijarum, Siangkat, Si100 hari, Sibosur, Sirukun, Sicantik, Sigabe. Evaluation used method without choice. results showed that was grouped into long–very long medium-sized had different levels oryzae. Rice Sicantik classified as susceptible, while Siangkat moderate-susceptible. Sigabe were moderate influenced by large number F1 short median development time. higher susceptible Dimensions source