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All Journal Buletin Peternakan Bioma : Berkala Ilmiah Biologi agriTECH Journal of Tropical Biodiversity and Biotechnology Jurnal Biologi Tropis Berkala Ilmiah Biologi

Hari Purwanto

Entomology Laboratory, Faculty Of Biology, Universitas Gadjah Mada, Jalan Teknika Selatan Sekip Utara Depok 55281 Sleman Yogyakarta, Indonesia

Author-ID : 2869732

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Medicine & Pharmacology Veterinary Other

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Title

Uji Kinerja Teknologi Kontrol Tepat Guna untuk Peningkatan Kualitas Produksi Sutera Alam Lilik Sutiarso; Atris Suyantohadi; Hari Purwanto; Radi Radi
agriTECH Vol 26, No 4 (2006)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The world demand of raw-silk provides a great opportunity to the development of raw-silk production in Yogyakarta. Recently, only 21% of the overall world demand of raw-silk is fulfilled, whereas Indonesia contributes only 0.1% per year. The main problem is the lack of quality of raw-silk. The optimum growth of silkworm depends on micro environments, i.e. temperature, humidity, aeration, and light intensity. The research aimed at designing an automated “on/off” control technology in the silkworm rearing environmental monitoring in the farming system, while the expected result was high-grade quality of cocoon. In the research, two different conditions of silkworm growing environments were compared, i.e. controlled environment (in the rearing box) and uncontrolled environment. The result indicated that there was increase in the quality of cocoon. Test of cocoons in laboratory showed that the average thickness of cocoons in controlled rearing environment and in rearing environment was 0.033 cm and 0.029 cm, respectively. The percentage of cocoons in controlled rearing environment was higher than cocoons in normal environment.

Desain Sistem Kontrol Ruang Pertumbuhan Ulat Sutera untuk Meningkatkan Kualitas Produksi Sutera Alam Lilik Sutiarso; Atris Suyantohadi; Hari Purwanto
agriTECH Vol 24, No 4 (2004)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

The world demand of raw-silk provides a great opportunity to the development of raw-silk production in Yogyakarta. Recently, only 21% out of the overall world demand of raw-silk is fulfilled, whereas Indonesia contributes only 0.1% per year. The main problem is the lack of quality of raw-silk. The optimum growth of silkworm depends on micro environments, i. e. temperature, humidity, aeration, and light intensity. The research was aimed, to apply an automated -"on/or control technology in the silkworm rearing environmental monitoring. The result expected is high-grade quality of cocoon. In the research, two different conditions of silkworm growing environments were compared: controlled environment (in the rearing box) and normal environment. Then, from third instar (silkworm's growth stage) to cocoon's stage (final stage or fifth instar), temperature and air humidly were set on 24Â°C - 26Â°C and 70% - 80% 'respectively. While, Aeration and light intensity were ranged 0.1 - 0.3 m/s and 15 - 30 lux for all instar stages (constant) respectively. The result indicated that there was an increasing the percentage of cocoon skin's grade in the controlled rearing environment (19.66%), compared to the result of normal rearing environment (18.56%), also there was significantly different result on the thickness of the cocoon produced

Co-Authors Abdulrahman Saad Aldawood Afiannisa Viersanova Aryo Seto Pandu Aryo Seto Pandu Wiranto Atris Suyantohadi Atris Suyantohadi Bellia Alda Ayu Prasetya Cahyamurti, Riza Afifah Fiola Siregar Ignatius Sudaryadi Ignatius Sudaryadi Ika Indayati Lilik Sutiarso Lilik Sutiarso Manap Trianto Nuraini Nuraini R.C. Hidayat Soesilohadi R.C. Hidayat Soesilohadi Radi Radi Siti Sumarmi Siti Sumarmi Sukirno Sukirno Sukirno Suparmin Suparmin Suparmin Suparmin

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