[JURNAL] POPULASI DAN PERSENTASE SERANGAN HAMA PENGGEREK BATANG (Ostrinia furnacalis Guenee) PADA TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt) DI KECAMATAN TOMOHON UTARA KOTA TOMOHON

(Ostrinia furnacalis Guenee) PADA TANAMAN JAGUNG MANIS (Zea mays  saccharata Sturt) DI KECAMATAN TOMOHON UTARA KOTA TOMOHON 

Population and Percentage Pest Attack Stem Borer (Ostrinia furnacalis Guenee)  In Maize (Zea mays saccharata Sturt.) In the District of North Tomohon  Tomohon 

Sigit Addy Pratama1, James B. Kaligis2, Jimmy Rimbing3 

1’2 Program Studi Agroekoteknologi, Jurusan Hama dan Penyakit Fakultas Pertanian, Universitas  Samratulangi, Jl. Kampus Unsrat Manado, 95515 Telp (0431)846539 

ABSTRACT 

In Indonesia, corn is the second important food crops after rice. Corn is also used as food, are also  used as animal feed. Pests that attack sweet corn crop is pest O. furnacalis. This study aims to  determine the percentage of the population and O. furnacalis pests on crops of sweet corn in North  Tomohon Tomohon sub district were housed in three villages, namely Village Wailan, Kakaskasen  and Kakaskasen III. The timing of the study for four months starting from the month of November  2014 to February 2015. This study uses survey research and data collection population and the  percentage of larvae attack O. furnacalis. Each village determined the sweet corn crop plots  measuring approximately 0,5 ha then divided by five sub plots scattered observations diagonally and  taken as many as 40 plants. Larval population data retrieval is done on old plants 54 days after  planting (dat), 61 dat, dat 68 and dat 75 with an interval of seven days. The results showed an  average population of O. furnacalis found in sweet corn planting in the village Wailan is 9,35  individuals, followed by Village Kakaskasen 9,00 individuals and in the Village Kakaskasen III 6,85  individuals , The observation of the plants aged 54 to 75 dat O. furnacalis pest larvae attack sweet  corn plants in North Tomohon sub district, but still relatively small percentage of attacks. The  average percentage of attacks O. furnacalis highest in Sub Kakaskasen ie 11,12%, followed by Sub  Wailan 8,50 % and 7,62% in Kakaskasen III. 

Keywords: Population, Percentage, O. furnacalis, Sweet Corn 

ABSTRAK 

Di Indonesia, jagung merupakan komoditas tanaman pangan penting kedua setelah padi. Jagung  selain digunakan sebagai bahan pangan, juga digunakan sebagai bahan pakan ternak. Hama yang  menyerang tanaman jagung manis yaitu hama O. furnacalis. Penelitian ini bertujuan untuk  mengetahui populasi dan persentase serangan hama O. furnacalis pada tanaman jagung manis di  Kecamatan Tomohon Utara Kota Tomohon yang bertempat di tiga kelurahan yaitu Kelurahan  Wailan, Kakaskasen dan Kakaskasen III. Waktu pelaksanaan penelitian selama empat bulan mulai  dari bulan November 2014 sampai Februari 2015. Penelitian ini menggunakan metode penelitian  survei dan pengambilan data populasi dan persentase serangan larva O. furnacalis. Setiap kelurahan  ditentukan satu petak pertanaman jagung manis berukuran kurang lebih 0,5 ha kemudian dibagi lima  sub plot pengamatan yang tersebar secara diagonal dan diambil sebanyak 40 tanaman. Pengambilan  data populasi larva dilakukan pada tanaman berumur 54 hari setelah tanam (hst), 61 hst, 68 hst dan  75 hst dengan interval waktu tujuh hari. Hasil penelitian menunjukkan rata-rata populasi O.  furnacalis tertinggi dijumpai pada pertanaman jagung manis di Kelurahan Wailan yaitu 9,35 individu, diikuti Kelurahan Kakaskasen 9,00 individu dan di Kelurahan Kakaskasen III 6,85 individu.  Hasil pengamatan dari tanaman berumur 54 sampai 75 hst hama larva O. furnacalis menyerang  tanaman jagung manis di Kecamatan Tomohon Utara, tetapi persentase serangan masih tergolong  kecil. Rata-rata persentase serangan O. furnacalis tertinggi di Kelurahan Kakaskasen yaitu 11,12 %,  diikuti Kelurahan Wailan 8,50 % dan di Kakaskasen III 7,62 %. 

Kata kunci: Populasi, Persentase, O. furnacalis, Jagung Manis 


https://docs.google.com/document/d/19Pic8G3UyaeORl_i2y2qxGHfihrWoU_ToeI5v5taSNc/edit?usp=sharing

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