Erise Anggraini, Erise
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Studi Empiris pada Pola Sumber Dana untuk Pembiayaan Usahatani Padi di Sumatera Selatan Hamzah, Maryanah; Bidarti, Agustina; Anggraini, Erise; Antoni, Mirza
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol 7, No 2 (2018): JLSO
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Hamzah et al, 2018. Empirical Study on the Pattern of Funding Sources for Rice Farming in South Sumatra. JLSO 7(2):196-203. The objective of the study was to identify the source and size of the financing portion of the rice farming from the loan and the terms and the interest rate charged. The interviews were conducted on 75 samples of rice farmers whose farming costs were partly derived from loans at three different land ecosystems in South Sumatra Province. The three types of ecosystems viz., tidal swamp land, technical irrigation, and swamp land were used in the study.  The results showed that there were seven financing sources that farmers used for fulfill their production cost if they not enough capital. Middlemen was biggest source with a portion of 45.28% and their own costs of 43.52, the rest is relatively small comes from money lenders, families, rice milling units, cooperative and friends. The interest rate charged varies from 3% to 50% per planting season. The lowest interest rate on lending money was to cooperatives and middlemen. However, if farmers borrow from middlemen, they must sell their rice to them. The highest interest rate from money lenders is 50%. All loans were being paid at after harvested time. Only borrow to families and friends were not charged interest and other terms. Farmers were forced to use non-formal lending institutions because banks located far away and they were afraid to come to the bank. It is suggested to reduce the dependence of rice farmers on non-formal lending institutions through developing a more effective agricultural cooperative.       
SPESIES PARASITOID LIPAPHIS ERYSIMI ASAL SUMATERA SELATAN DAN VARIASI PARASITISASINYA PADA TUMBUHAN INANG YANG BERBEDA Herlinda, Siti; Anggraini, Erise; Irsan, Chandra; Umayah, Abu; Thalib, Rosdah; Adam, Triani
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol 12, No 2 (2012): September, Jurnal Hama dan Penyakit Tumbuhan Tropika
Publisher : Universitas Lampung

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Abstract

Lipaphis erysimi (Hemiptera: Aphididae) is one of the main insect pests on brassicaceous crops. Aphids attack crops by sucking sap from its hosts. Densed population in the initial phase of crop growth could  inhibit growing, loss in yield up to 100%. Experiments were aimed to explore and identify species of  L. erysimi parasitoid in highland areas of South Sumatra, and to  determine potency of the parasitoids to parasitize L. erysimi in laboratory.  The highest parasitism level of L. erysimi (72.40%) was found on 200 aphids which reared on B. juncea.  While, the second highest parasitism level (65.67%) was found on N. indicum.  The number of mummies found on N. indicum was less than on B. juncea.  Of all observations, every treatment  on every tested plant showed that female D. rapae emerged more than male D. rapae (female bias).  The two parasitoids species that parasitized L. erysimi were Diaeretiella rapae and Aphidius sp.  Parasitisation at several location in South Sumatera was highly diverse.  D. rapae was the most abundant parasitoid species on several high lands at South Sumatera.
Uji Kisaran Inang Penyakit Downy Mildew (Pseudoperonospora cubensis) dan Antraknosa (Colletotrichum Sp.) pada Beberapa Tanaman Cucurbitaceae Anggraini, Erise; Muslim, A.; Zuriana, Azizah; Irsan, Chandra; Gunawan, Bambang
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol 7, No 2 (2018): JLSO
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Anggraini et al, 2018. Host-Range Analysis of Downy Mildew (Pseudoperonospora cubensis) and Anthracnose (Colletotrichum Sp.) on some Cucurbitaceae Plants. JLSO 7(2):213-224. Inhibiting factors of cucumber cultivation is Downy mildew disease that is caused by Pseudoperonospora cubensis and Anthracnose by Colletotrichum sp. The objective of this research was to observe pathogenicity of activity caused by Pseudoperonospora cubensis and Colletotrichum sp. isolated from cucumber towards Cucurbitaceae plants. The research was conducted at greenhouse and Phytopathology Laboratory, Department of Plant Pests and Diseases Faculty of Agriculture, University of Sriwijaya in September to December 2016. This study used Randomized Block Design (RBD), with four types of plants, 2 treatments and 4 replications. The results showed that the incubation period of the plant inoculation Downy mildew by Pseudoperonospora cubensis range between 4.5-5.0 days. Result of broadest spot area was on melon leaf 2.05 cm2 with the chlorophyll content of 0.4928 mg/g and the lowest result was on cucumber leaf 0.90 cm with the chlorophyll content of 0.7628 mg/g. While the results showed that the incubation period of the applied plant pathogen Colletotrichum sp. ranging from 3.0-4.5 days. Result of broadest spot area was on melon leaf 4.00 cm2 with the chlorophyll content of 0.3932 mg/g and the lowest result was on cucumber leaf 2.42 cm2 with the chlorophyll content of 0.7588 mg/g.
Populasi Serangga Hama dan Artropoda Predator pada Padi Rawa Lebak Sumatera Selatan yang Diaplikasikan Bioinsektisida dari Beauveria bassiana dan Insektisida Sintetik Hanif, Khoirul Ikhsanudin; Herlinda, Siti; Irsan, Chandra; Karenina, Tili; Anggraini, Erise; Suwandi, Suwandi; Susilawati, Susilawati
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol 8, No 1 (2019): JLSO
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Hanif et al, 2019. Population of Pest Insects and Predatory Arthropods Inhabiting Freshwater Swamp Rice of South Sumatra Treated with Bioinsectide of Beauveria bassiana and a Synthetic Insecticide. JLSO (8)1:31-38.Entomopathogenic fungi, Beauveria bassiana, could  kill various species of insect pests, but  their impact on predatory arthropods needs to be studied. The aim of this study was to compare population of pest insects and predatory arthropods inhabiting rice sprayed with bioinsecticide of B. bassiana and conventional rice field using a synthetic insecticides. Bioinsecticide was made from conidia of B. bassiana and sprayed on rice canopy. The plot of conventional farmers was sprayed with synthetic insecticides made from Abamektrin. The results showed that the application of bioinsecticide of B. bassiana was not proven to reduce the pest insect population. The abundance of natural enemies of pest insects, such as  spiders and predatory insects was also more abundant in plots sprayed with  bioinsecticide than conventional plots that used synthetic insecticide. The synthetic insecticides have been shown to reduce the abundance of predatory insects and spiders. Bioinsecticides containing carrier of  liquid compost were proven to increase the growth and development of rice, which was an increase in the number of rice tillers per clump in plots applied by bioinsecticide. Thus, B. bassiana of bioinsecticide with liquid compost carrier material was safer and could maintain the abundance of predatory arthropods and increased rice growth.
Komunitas serangga hama padi rawa lebak yang ditanam dengan berbagai jarak tanam Herlinda, Siti; Apryanti, Hesti; Susilawati, Susilawati; Anggraini, Erise
Jurnal Entomologi Indonesia Vol 15, No 3 (2018): November
Publisher : Perhimpunan Entomologi Indonesia

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Abstract

Jarak tanam padi mempengaruhi spesies dan populasi serangga hama. Jarak tanam lebih rapat ideal untuk habitat dan relung serangga hama. Penelitian ini bertujuan untuk mengobservasi perbandingan komunitas serangga hama padi rawa lebak yang ditanam dengan berbagai jarak tanam. Percobaan lapangan dilaksanakan pada padi di lahan rawa lebak seluas 15 ha yang ditanam dengan jarak tanam tegel (25 cm x 25 cm) dan jajar legowo pada berbagai kombinasi jarak (4:1, 5:1, 6:1, dan 7:1). Serangga hama diambil menggunakan jaring serangga. Semua spesies serangga hama yang ditemukan pada satu musim tanam padi pada penelitian ini adalah 27 spesies. Spesies yang dominan ditemukan pada padi fase vegetatif adalah Oxya chinensis (Thunberg), Acrida turrita (Linnaeus), Nilaparvata lugens (Stål), Nephotettix virescens (Distant), dan Cofana spectra (Distant), sedangkan pada fase generatif didominasi oleh Leptocorisa acuta (Fabricius) dan Riptortus sp. Populasi N. lugens dan N. virescens tidak dipengaruhi oleh jarak tanam. Populasi kedua jenis wereng tersebut rendah dan tidak menjadi hama utama di padi rawa lebak. Spesies serangga hama utama adalah L. acuta dan populasinya dipengaruhi oleh jarak tanam padi. Populasi hama lebih tinggi pada padi dengan jarak tanam yang lebih rapat, yaitu jajar legowo 6:1, 7:1, dan tegel dibandingkan dengan jajar legowo 4:1 dan 5:1. Untuk itu, jajar legowo 4:1 atau 5:1 sebaiknya diterapkan di sawah rawa lebak untuk menekan populasi fitofag agar tidak menjadi hama penting.