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All Journal Prosiding Seminar Biologi Pharmaciana: Jurnal Kefarmasian BIOWALLACEA Bio Ilmi: Jurnal Pendidikan REiD (Research and Evaluation in Education) Jurnal Pendidikan Biologi Jurnal Bioedukatika Abdimas Dewantara Indonesian Journal of Biology Education Biota Jurnal Teknologi Informasi dan Pendidikan Jurnal Pendidikan Teknologi Informasi dan Vokasional Proceeding Biology Education Conference Jurnal Penelitian Sains dan Pendidikan (JPSP) International Journal on Education Insight Ahmad Dahlan Medical Journal Jurnal Keilmuan dan Keislaman CONSEN: Indonesian Journal of Community Services and Engagement Bincang Sains dan Teknologi Sciences of Pharmacy JOURNAL OF EDUCATION AND LEARNING RESEARCH SAKOLA: Journal of Sains Cooperative Learning and Law Pedagogia : Jurnal Ilmiah Pendidikan
Novi Febrianti
Universitas Ahmad Dahlan
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Journal : Prosiding Seminar Biologi

 1 
AKTIVITAS INSEKTISIDAL EKSTRAK ETANOL DAUN KIRINYUH (EUPATORIUM ODORATUM L.) TERHADAP WERENG COKLAT (NILAPARVATA LUGENS STAL.) Febrianti, Novi; Rahayu, Dwi
Prosiding Seminar Biologi Vol 9, No 1 (2012): Seminar Nasional IX Pendidikan Biologi
Publisher : Prodi Pendidikan Biologi FKIP UNS

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ABSTRAK   Kirinyuh (Eupatorium odoratum) mengandung senyawa alkaloid, flavonoid, tannin, dan seskuiterpen yang bersifat insektisidal. Penelitian ini bertujuan untuk mengetahui aktivitas insektisidal ekstrak etanol daun kirinyuh terhadap wereng coklat dan nilai LC50-24 jam. Penelitian menggunakan rancangan acak lengkap (RAL) dengan menvariasikan  konsentrasi ekstrak etanol daun kirinyuh, yaitu 0%, 3%, 6%, 9% dan 12%. Data hasil penelitian dianalisis dengan analisis  regresi, probit, dan  Anava yang dilanjutkan BNT 5%. Dari hasil penelitian ini diketahui bahwa ekstrak etanol daun kirinyuh mempunyai aktivitas insektisidal terhadap wereng coklat, semakin tinggi konsentrasi ekstrak etanol daun kirinyuh  maka semakin tinggi pula tingkat kematian wereng coklat. Nilai LC50-24 jam adalah sebesar 14,905%. Berbagai konsentrasi ekstrak etanol yang diberikan memberikan pengaruh yang berbeda terhadap tingkat kematian wereng coklat.   Kata kunci:  aktivitas insektisidal, kirinyuh (Eupatorium odoralum L.), wereng coklat
BIOSINTESIS SELULOSA OLEH ACETOBACTER XYLINUM MENGGUNAKAN LIMBAH CAIR TAHU SEBAGAI MEDIA PERTUMBUHAN DENGAN PENAMBAHAN MOLASE Febrianti, Novi
Prosiding Seminar Biologi Vol 8, No 1 (2011): Seminar Nasional VIII Pendidikan Biologi
Publisher : Prodi Pendidikan Biologi FKIP UNS

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ABSTRACT   Cellulose is a biopolymer whose numbers most  abundant in nature and have an important role as various kinds of industrial raw materials. In this study,  liquid waste of soy used as a growth medium  for A. xylinum bacteria to synthesize cellulose with  addition of molasses as carbon source. The aim of this research was to know the effect of different concentrations of molasses on cellulose layer weight and which is the best concentration of molasses that produce the highest weight of cellulose. Three  concentration of molasses were tested, namely 2%, 4% and 6%. Observation on layer cellulose weight produced was performed on day-10 . The study shows that the more concentrations of molasses is given, the more weight of the layer of cellulose, although this weight difference was not significant. 6% molasses concentration produces the most high cellulose weight.   keywords: cellulose , molase, liquid waste of soy, A. xylinum
Co-Authors Ade Kurniawan Agustina, Devanda Rahma Aji, Kilau Mustika Bayu Altawil, Abdulmohsin Nasser As-Shalikhah, Tsaqufa Najiba Burhan Efendi Darwin, Widya Dea Diella Destri Ratna Ma'rifah Deswina, Melri Dhaniaputri, Risanti Dian Ardifah Iswari Dwi Nugroho Dwi Rahayu Eryati, Eri Etika Dyah Puspitasari Hani Irawati Haris Setiawan Herni Yuniarti Suhendi Ihwan Susila Indro Prastowo Irawati, Hani Irfan Miftahul Fauzi Irfan Yunianto Ivo, Diana Pungki Astro Jusmardi Lalu Muhammad Irham Maya Pratiwi Ma’rifah, Destri Ratna Mohamad Joko Susilo Muhammad Joko Susilo Nani Aprilia Nurul Abidin Nurusman, Arief Abdillah Pratiwi, Ambar Purwanti, Siwi Putri, Sherly Oktaviana Rahmat Krestianto Risanti Dhaniaputri Rita Yuli Suryati Ryan Ardiansyah Sabri Sabri Santosa Pradana Putra Setya Negara Saputri, Septiana Sari Kartika Sataroh, Sindy Setyaningrum, Fery Setyowati, Djiwanti Retno Sharfina Mutia Syarifah Sofhiya, Evie Nur Sofia Mubarika Haryana Sri Erlinda Sukarti Moeljopawiro Suryati, Rita Yuli Susilo, Muhammad Joko Tamara Ismi Claudya Triana Hertiani Tuan, Bui Ngoc W, Wahdaniar Widyastuti, Lina Yahya Hanafi Yogi Dian Alfana