Judul: Biologi, Perilaku Peletakan Telur dan Superparasitisme Parasitoid Diadegma eucerophage Horstmann (Hymenoptera : Ichneumonidae) Pada Larva Plutella xylostella Linnaeus (Lepidoptera : Yponomeutidae)
Abstrak: Penelitian dilaksanakan di laborat orium Eiiologi dan Ekologi Hama, Jurusan Hama dan Penyakit Tumbuhan, Institut Pertanian Bogor, dengan suhu ruangan rata-rata 26.9 0.8 C dan kelembaban nisbi 73.9 kurang lebih 5.6 persen. Penelitian bertujuan mempelajari be berapa aspek biologi , perilaku peletakan telur dan kemungkinan terjadinya superparasitisme parasitoid D. euceronhana pada larva P xylostella yang dipelihara pada daun kubis. Parasitoid D. eucerophaaa merupakan endoparasitoid larva soliter. Telur termasuk tipe hymenopteri form. Telur mengalami pertambahan ukuran, memanjang 1.50 kali dan melebar 1.67 kali, selama masa inkubasinya.
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Judul: Dasar-dasar Pemanfaatan Brassicaceae Liar untuk Konservasi Parasitoid Diadegma Semiclausum Hellen (Hymenoptera: Ichneumonidae) dalam Mendukung Pengendalian Hama Terpadu Plutella Xylostella Linn. (Lepidoptera: Yponomeutidae)
Abstrak: Penelitian ini dilaksanakan di Laboratorium Pengendalian Hayati, Jurusan Hama dan Penyakit Tumbuhan, Fakultas Pertanian, Institut Pertanian Bogor dan di Lapangan di Kebun Percobaan Sub Balai Penelitian Hortikultura Segunung, dari Januari 1992 sampai Juli 1993. Pada tanaman kubis, Plutella xylostella Linn. (Lepidoptera: Yponomeutidae) Mama Crociddomia binotalis Zeller (Lepidoptera: Pyralidae) adalah dua hama utama yang merusak, terutama di musim kemarau. Pengendalian P. xylostella selain dan insektisida juga dengan cara biologi dengan menggunakan parasitoid Diarsegma semiclausum Hellen (Hymenoptera: Ichneumonidae)
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Judul: Decision Support System for Rehabilitation Bond of Mining Area
Abstrak: Mining is an effort to remove in situ minerals resources, which is in exploitation stage that employ surface mining method is critical, yet mostly close to huge spatial opening, therefore suitable planning and operation is required to synchronize both of economical and environmental interests. Due to the prudent principle of the Government on a mining company, by regardless its principal and scale, the company is obliged to insure any spatial opening during their operation period by allocating appropriate fund in a certain Bank, as Reclamation Bond. Determining the Reclamation Bond needs both skill and expertise, otherwise it would consume time, even perfunctorily. Dealing with the necessity of Reclamation Bond assessment tool, this study attempted to develop a decision support system (DSS) approach to support fast and objective problem solution for evading disputability. The objective of this project is to develop a Mining Rehabilitation Bond System, which can provide the additional tool for the Government as Decision Support System to evaluate any company planning concerning cost estimation either suitable or not to be agreed with, determining adequate amount direct cost and indirect cost and emphasizing mine stakeholder awareness of any decision support related to cost of mining reclamation activity The Mining Rehabilitation Bond System is designed to support decision making, in order to minimize DSS implementation, data base manipulation through Visual Basic programming language. Beside direct cost analysis and indirect cost analysis, there is also manual analysis to perform additional data for structure demolition calculation and earth moving activities. The main focus of this system design is to estimate the amount of escalation per year that have to meet mining company’s reclamation cost planning. Based on the result, the combination of DSS Tool and reclamation formula can produce application system for rehabilitation bond. This calculation system is used to evaluate Reclamation Bond for 5 (five) years and annual reclamation cost based on direct and indirect cost of reclamation activity. This application tries to attempt evaluating system of mining company’s reclamation data. The application system has several weaknesses such as haul distance and grade consideration that should be measured manually, need socialization to mining company association and never published yet. The Mining Rehabilitation Bond System still needs to be tested for knowing its performance including its database system through several data from company (KK, KP and PKP2B) and the calculation of haul distance and grade of equipment needs digital input using spatial approach or digital map digitizer.
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