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All Journal Indonesian Journal of Agricultural Science Al-Amwal Jurnal Penelitian Transportasi Laut El-Hekam : Jurnal Studi Keislaman
Syafril Syafril
Assessment Institute for Agricultural Technology
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Social Sciences Transportation Other

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EVALUATION OF NATURAL ENEMIES IN CONTROLLING OF THE BANANA WEEVIL BORER Cosmopolites sordidus Germar IN WEST SUMATRA Hasyim, Ahsol; Azwana, Azwana; Syafril, Syafril
Indonesian Journal of Agricultural Science Vol 10, No 2 (2009): October 2009
Publisher : Indonesian Agency for Agricultural Research and Development - MOA

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Abstract

The banana weevil, Cosmopolites sordidus Germar, is an important pest of highland banana and plantain in Africa, but it exists in low densities in presumed area of origin in Southeast Asia such as in Indonesia. This suggests a possible existence of effective co-evolved natural enemies in the origin area of Indonesia, especially West Sumatra. The objectives of this study were: (1) to evaluate banana weevil pest status at selected sites in West Sumatra, (2) to survey parasitoids and predators, and(3) to determine the control potential of the most important natural enemies. Surveys were undertaken in March 2002-August 2003 in five locations in West Sumatra, i.e., Bukittinggi, Sitiung, Pariaman, Pasaman, and Batusangkar. Five farms per site were selected randomly among all farms that contained banana stands of > 0.5 ha. Sampling for banana weevil adults and damage, and for predators was done throughout small banana stands and within a 20 m x 40 m (0.08 ha) subplot on largerfarms. Field-collected larvae were taken to the laboratory and reared on corm pieces (3 cm x 3 cm x 3 cm) until pupation. Larvae were collected from pseudostem as well as corm residues. To estimate the abundance of non-social predators, i.e., those other than ants, 10 residues each on each farm were examined from plants that had been harvested 1-4 weeks, 5-8 weeks or 9 or more weeks before our visit to the site. Samples of thedifferent morphospecies were saved in alcohol for later identification. The result showed that the banana weevil incidence was found to be low,  0.6-1.7 adults per trap. Plant damage indices were below 2.2%. We collected and reared 24,360 eggs and 3118 larvae, but no parasitism was detected. Phorids (Megaselia sp.) and drosophilids were recovered from larval rearings, but most likely were scavengers. A complex of predators was detected, the most important of which was the histerid beetles,  Plaesius javanus Erichson. In laboratory tests, adults and larvae of P.  javanus attacked 75-88% and 38-53% of banana weevil larvae and pupae, respectively. Predatory ants, including species of Myrmicinae, Ponerinae, Formicinae, and Dolichoderinae, were found to be associated with bananaplants and residues. Adults of Myopopone castanea Smith (Ponerinae) were directly observed attacking banana weevil larvae in crop residues. The adult banana weevil mortalities caused by the entomopathogen fungi of Beauveria bassiana from Baso, Sungaitarab, Sei Sariek, and Sikabau at highest density (3.2 x 108 spores ml-1) after two weeks were 96.67%, 90.00%, 60.00% and 83.33%, respectively. The high diversity of habitatconditions in which crop-pest-natural enemies systems exist, support the idea that banana weevil population and damage intensity in the study area is low due to active role of natural enemies.
PENGARUH OPERATING INCOME, NET INCOME DAN TOTAL ASSET TERHADAD RETURN ON ASSET (ROA) PADA BMT AMANAH BANJARMASIN SYAFRIL, SYAFRIL
Al-Amwal Vol 7 No 1 (2018): Jurnal Volume 7, Nomor 1, Juni 2018
Publisher : STEI Iqra Annisa Pekanbaru

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Abstract

Penelitian ini bertujuan untuk mengetahui dan menganalisa apakah Operating Income, Net Income dan Total Assets memiliki pengaruh signifikan baik secara simultan ataupun parsial terhadap Return On Assets (ROA) dan  variabel mana yang mempunyai pengaruh paling dominan terhadap Return On Assets (ROA) pada BMT Amanah Banjarmasin selama periode 2015 – 2016.  Metode analisis data yang digunakan dalam penelitian ini adalah metode kuantitatif dengan pengujian hipotesis dan pengujian statistik yaitu analisis regresi linear berganda dengan SPSS versi 15. Hasil penelitian menunjukkan bahwa secara simultan Operating Income, Net Income dan Total asset memberi pengaruh secara signifikan terhadap Return On Assets. Hasil uji secara parsial Operating Income dan Total Asset tidak memberi pengaruh signifikan terhadap Return On Assets (ROA),  sedangkan Net Income  memberi pengaruh signifikan terhadap Return On Assets (ROA).  Variabel yang paling dominan memberi pengaruh terhadap Return On Assets adalah variabel Net Income karena memiliki nilai koefisien determinasi parsial paling besar.
PEMBERDAYAAN PELAYARAN RAKYAT DILIHAT DARI KARAKTERISTIKNYA Syafril, Syafril
Jurnal Penelitian Transportasi Laut Vol 20, No 1 (2018): Jurnal Penelitian Transportasi Laut
Publisher : Puslitbang Transportasi Laut, Sungai, Danau, dan Penyeberangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/transla.v20i1.792

Abstract

Pelayaran rakyat (Pelra) pernah memegang peran sangat penting dalam sejarah angkutan laut nasional.  Sampai awal tahun 2000-an armada Pelra berhasil mengangkut 35% muatan general cargo angkutan laut dalam negeri.  Seiring dengan perkembangan teknologi transportasi laut dan meningkatan terhadap penertiban illegal logging, armada pelra semakin terpuruk. Kajian ini bertujuan untuk meningkatkan peran angkutan laut Pelra dalam sistem angkutan laut nasional, terutama untuk melayani daerah-daerah terpencil perbatasan, dan pedalaman.  Analisis yang digunakan secara komprehensif, dengan pendekatan deskriptif baik kuantitatif maupun kulitatif, yang ditunjang oleh data primer hasil pengukuran, pengamatan, dan wawancara serta data sekunder berupa kepustakaan dan peraturan perundang-undangan.  Hasil kajian menggambarkan bahwa Kendala dalam pengembangan Pelra antara lain adalah dari aspek Muatan, aspek Peremajaan Armada, aspek Permodalan/ Pembiayaan, aspek Manajemen dan Sumber Daya Manusia
PENELITIAN PENGEMBANGAN TITIK SIMPUL POTENSIAL TRANSPORTASI SUNGAI DI KABUPATEN MUSI BANYUASIN Puriningsih, Feronika Sekar; Syafril, Syafril
Jurnal Penelitian Transportasi Laut Vol 20, No 1 (2018): Jurnal Penelitian Transportasi Laut
Publisher : Puslitbang Transportasi Laut, Sungai, Danau, dan Penyeberangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/transla.v20i1.793

Abstract

Kabupaten Musi Banyuasin (Muba) merupakan kabupaten terkaya di Sumatera Selatan dan mempunyai banyak aliran sungai yang dapat dijadikan ruang lalulintas angkutan sungai. Dengan menggunakan metode analisis deskritif dan AHP diperoleh 4 titik simpul potensial angkutan sungai yang perlu dikembangkan, yaitu terminal  P 11 yang berada di Muara Primer untuk konsolidasi muatan/ komoditi yang hendak diangkut ke luar Provinsi Sumatera Selatan, terutama menuju P. Jawa, Batam, bahkan ke luar negeri, Dermaga Sungai Lalan dan Dermaga Sungai Lilin dikembangkan untuk kebutuhan angkutan komoditi lokal masyarakat di sekitar aliran sungai, terutama yang berasal/ menuju kota Palembang,  selain itu juga dapat digunakan sebagai angkutan feeder bagi perusahan-perusahaan guna mendistribusikan komoditinya dan/ atau menuju titik simpul utama untuk konsolidasi muatan, untuk selanjut dibawa keluar, dan Dermaga Sekayu, yang berada di Kota Sekayu, dikembangkan menjadi dermaga angkutan orang dan pariwisata, selain itu juga dijadikan dermaga persinggahan bagi komoditi yang ada di wilayah kabupaten lain.
PEMBINAAN AKHLAK REMAJABERBASIS MASJID DI MASJID THAYYIBAHDESA TUMPUK TANGAH KECAMATAN TALAWI Syafril, Syafril
El -Hekam Vol 4, No 1 (2019)
Publisher : State Institute for Islamic Studies Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/jeh.v4i1.2011

Abstract

This study aims to find and analyze mosque-based adolescent moral coaching, to find out and analyze the obstacles faced by various parties in mosquebased adolescent moral development, and to find out and analyze solutions that can be done in mosque-based adolescent moral development in Thayyibah Mosque, Talawi District. This research is descriptive qualitative. Informants in the study were mosque administrators, youth mosque leaders, and Stacked Village Heads. Data collection tools are researchers as key instruments and supporting instruments are interview guidelines, observation guidelines, field notes, and recording devices. Data collection techniques are participatory observation, indepth interviews and documentation studies. Data analysis techniques use domain analysis, carry out taxonomy analysis, conduct compential analysis and conduct theme analysis. The results showed that mosque-based adolescent moral coaching at Thayyibah Mosque in Stacked Village is through congregational prayer, majelis ta'lim, social activities, commemoration of Islamic holidays (PHBI), and tadarrus of the Qur'an. While the solution taken in this mosquebased youth moral development is always to hold discussions with the government, religious leaders, traditional leaders, and with the parents of the teenagers themselves, to convey information in the presence of recitation wirid, to form activities that touch directly on youth activities, and provide examples of admirable behavior to teenagers
Co-Authors Ahsol Hasyim Azwana Azwana Dasmasela, Yehiel H. Pattiasina, Thomas F. Puriningsih, Feronika Sekar Tapilatu, Ricardo F.