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M. Ilyas Abubakar
Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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ANALISIS INTRODUKSI TRICHODERMA HARZIANUM DAN PUPUK BOKHASI TERHADAP PERKEMBANGAN SCLEROTIUM ROLFSII PADA TANAMAN KEDELAI Susanna, Susanna; Abubakar, M. Ilyas; Mulizar, Mulizar
Jurnal Agrista Vol 11, No 2 (2007): Volume 11 Nomor 2 Agustus 2007
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Analysis Introduction of Trichoderma harzianum and Bokhasi Fertilizer to Sclerotium rolfsii on Soybean PlantationABSTRACT. The activity of the antagonist agent T. harzianum in reduction the development of S. rolfsii on the soybean plantation could be simultanted by application bokhasi fertilizer. The aim of the experiment was to study the effect og introducting of biological agent T. harzianum and application bokhasi fertilizer to S. rolfsii development on the soybean plantation. The study was carried out in BLP Ulee Kareng and experiment garden of Agriculture Faculty, Syiah Kuala University, using a Factorial Completely Randomized Design with nine treatment and three replication. Variable observed by incubation periods, pre emergence damping off, post emergence damping off, and the length of the lesion colour basic stem. The result showed that the effect of the application of the combination between biocontrol agent with bokhasi fertilizer can be reducing S. rolfsii development on the soybean. The best treatment to control sclerotium wilt were the combination between T. harzianum 16 g/polybag with bokhasi fertilizer 80 g/polybag.
EFEKTIVITAS EKSTRAK UMBI BAWANG PUTIH (ALLIUM SATIVUM L.) UNTUK MENGENDALIKAN HAMA CROCIDOLONIA PAVONANA F. PADA TANAMAN SAWI Hasnah, Hasnah; Abubakar, M. Ilyas
Jurnal Agrista Vol 11, No 2 (2007): Volume 11 Nomor 2 Agustus 2007
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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ABSTRACT. Crocidolomia pavonana F. is an important pest on mustards. Damage caused by this pest could be 100 percent if not controlled. Objective of the research was to find an effective concentration of garlic extract to control C. pavonana F. The research was the conducted at Experimental Farm of Agriculture Faculty, Syiah Kuala University, Darussalam Banda Aceh. Treatments were arranged by Completely Randomized Block Design (CRD) non factorial with 7 level concentrations based on LC50 of 20.69 ml L-1 or 20.69 percent. The concentrations of treatment were 10, 20, 30, 40, 50, 60, and 70 ml L-1 of water. The treatment was replication four times. The result showed that the garlic extracts were effective to control C. pavonana. Observation on larva mortality was carried out until the end of larva period of 3 day after application
EFIKASI CAMPURAN HERBISIDA PENDIMETHALIN SERTA PENGARUHNYA TERHADAP GULMA DAN HASIL TANAMAN KEDELAI Abubakar, M. Ilyas; Hasanuddin, Hasanuddin; Rusdi, Muhammad; Haswandi, Haswandi
Jurnal Agrista Vol 10, No 3 (2006): Volume 10 Nomor 3 Desember 2006
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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 The Efficacy of Pendimethalin Herbicide Mixtures and its Effects on Weed and Yield of SoybeanABSTRACT. Field research has been conducted in Experimental Farm of Agriculture Faculty University of Syiah Kuala Banda Aceh from March to July 2006 for evaluation efficacy of pendimethalin herbicide mixtures and its effect on weed and yield of soybean. Pendimethalin+imazetaphyr herbicide at dosage of 1.0 kg+70 g.a.i. ha-1 could decrease dry weight weed and increase percentage of weed control. Dried seed yield were higher when pendimethalin+imazetaphyr herbicide was applied at dosage 1.0 kg + 70 g.a.i. ha-1.