Abstract
Rice lice is one type of pest that attacks rice, the presence of rice lice can damage the content of rice, rice form and color of rice. Rice that is exposed to rice lice pests will easily fragile and turn into powder and the color of the rice turns yellowish. Innovation is needed to reduce the population of rice lice in the storage phase, so this study aims to determine the effect of sound waves of 3 KHz to 4 KHz frequency on the resistance of logawa varieties to rice lice, in this study the rice plants given the treatment of sound waves of 3 KHz frequency until 4 KHz and without sound waves as controls. Giving of sound waves is done every day from 06.00 to 09.00.
Highlights
Rice lice is one type of pest that attacks rice, the presence of rice lice can damage the content of rice, rice form and color of rice
Innovation is needed to reduce the population of rice lice in the storage phase, so this study aims to determine the effect of sound waves of 3 KHz to 4 KHz frequency on the resistance of logawa varieties to rice lice, in this study the rice plants given the treatment of sound waves of 3 KHz frequency until 4 KHz and without sound waves as controls
Pengaruh Periode Penyimpanan Beras terhadap Pertumbuhan Populasi Sitophilus oryzae (L.) dan Kerusakan Beras
Summary
Penelitian dilakukan pada tanggal 1 Juli 2017 sampai dengan 30 November 2017 di Universitas Nusantara PGRI Kediri. Gelombang bunyi yang digunakan dalam penelitian diberikan mulai pembibitan sampai padi siap panen. Jika padi diberi gelombang dengan rentang infrasonik tidak terjadi perubahan lebar stomata, panjang akar, jumlah daun, berat akar, dan keserempakan tumbuh, serta panjang diameter daun. Sehingga diberikan gelombang bunyi rentang audiosonik (3 kHz – 4 kHz) karena rentang frekuensi ini mampu membuat stomata padi terbuka namun tidak merusak jaringan stomata tersebut. Kelompok A merupakan 5 toples yang masing-masing berisi 0.5 liter beras hasil perlakuan gelombang bunyi. Sedangkan kelompok B merupakan 5 toples yang masing-masing berisi 0.5 liter beras tanpa perlakuan gelombang bunyi. Kemudian semua toples tersebut diamati pertambahan jumlah kutu beras yang muncul selama 5 bulan yaitu dari 1 Juli 2017 sampai dengan 30 November 2017
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