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Journal : BERITA BIOLOGI

INFEKTIFITAS Spodoptera exigua NUCLEOPOLYHEDROVIRUS (SeNPV) YANG DIPERKAYA DENGAN BAHAN PENGAKTIF TERHADAP LARVA Spodoptera exigua Huebner [The Infectivity of Spodoptera exigua Nucleopolyhedrovirus (SeNPV) Enriched with the Enhancer to the Spodoptera exigua Huebner Larvae] Samsudin, Samsudin; Santoso, Teguh
BERITA BIOLOGI Vol 11, No 3 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (102.084 KB) | DOI: 10.14203/beritabiologi.v11i3.499

Abstract

Spodoptera exigua Huebner nucleopolyhedrovirus (SeNPV) is an entomophathogenic virus of onion caterpillar S. exigua larvae commonly used as bioinsecticide. The major limitations of SeNPV for biocontrol of onion caterpillar is it requires long time for the virus to kill the insect host. This research was aimed to find out the material as phagostimulant to increase the infectivity of SeNPV and to determine the optimum boric acid concentration as an enhancer for SeNPV activities. This research was conducted at laboratory using Cipanas isolate of SeNPV and third instar of S. exigua larvae. Phagostimulant used are 5% ofsucrose, soybean sauces, molases, sugar and turmeric filtrate,and the enhancers used are 0,1%, 1%, 5% and 10% concentration of boric acid. This result indicated that soybean sauces and sucrose increased S. exigua consumption and enhanced the infectivity of SeNPV. When mixed with polyhedra of SeNPV, 1% to 5% sucrose significantly increased S. exigua consumption and increased the infectivity of SeNPV, while 10% sucrose tended to decrease the feeding of S. exigua. Boric acid enhanced the infectivity of SeNPV. However, the increase of boric acid concentration should be restricted maximum at 5% for avoiding the negative impacts on the environment.
KEEFEKTIFAN BAHAN PELINDUNG ALAMI DALAM MEMPERTAHANKAN INFEKTIVITAS Spodoptera exigua NUCLEOPOLYHEDROVIRUS (SeNPV) Samsudin, Samsudin; Santoso, Teguh; Rauf, Aunu; Kusumah, Yayi Munara
BERITA BIOLOGI Vol 10, No 6 (2011)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.322 KB) | DOI: 10.14203/beritabiologi.v10i6.1932

Abstract

Spodoptera exigua nucleopolyhedrovirus (SeNPV) is a viral pathogen of onion caterpillar S. exigua with high pathogenicity. One of the major constraints to the use of SeNPV for biocontrol of onion caterpillar is its sensitivity to ultraviolet (UV) degradation. The purposes of this research were to determine the effect of sunlight exposure on the virulence of SeNPV and to find out the effective natural UV protectant to maintain the SeNPV virulence. The results showed that the sunlight radiation affects the SeNPV infectivity. Addition of 1% of coconut shell charcoal, lampblack, husk charcoal, yam flour, molasses, yam filtrate, turmeric filtrate and green tea filtrate to the SeNPV suspension were found to be effective as UV protectant. Coconut shell charcoal, lampblack and husk charcoal are activated carbon that can absorb UV light. Yam filtrate is a natural ingredient that contains saponins and is able to protect SeNPV particles as reflectance. While molasses, turmeric filtrate and green tea filtrate containing flavanoid serve as a protective virus particles and UV absorber.
INFEKTIFITAS SPODOPTERA EXIGUA NUCLEOPOLYHEDROVIRUS (SENPV) YANG DIPERKAYA DENGAN BAHAN PENGAKTIF TERHADAP LARVA SPODOPTERA EXIGUA HUEBNER Samsudin, Samsudin; Santoso, Teguh
BERITA BIOLOGI Vol 11, No 3 (2012)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v11i3.499

Abstract

Spodoptera exigua Huebner nucleopolyhedrovirus (SeNPV) is an entomophathogenic virus of onion caterpillar S. exigua larvae commonly used as bioinsecticide. The major limitations of SeNPV for biocontrol of onion caterpillar is it requires long time for the virus to kill the insect host. This research was aimed to find out the material as phagostimulant to increase the infectivity of SeNPV and to determine the optimum boric acid concentration as an enhancer for SeNPV activities. This research was conducted at laboratory using Cipanas isolate of SeNPV and third instar of S. exigua larvae. Phagostimulant used are 5% ofsucrose, soybean sauces, molases, sugar and turmeric filtrate,and the enhancers used are 0,1%, 1%, 5% and 10% concentration of boric acid. This result indicated that soybean sauces and sucrose increased S. exigua consumption and enhanced the infectivity of SeNPV. When mixed with polyhedra of SeNPV, 1% to 5% sucrose significantly increased S. exigua consumption and increased the infectivity of SeNPV, while 10% sucrose tended to decrease the feeding of S. exigua. Boric acid enhanced the infectivity of SeNPV. However, the increase of boric acid concentration should be restricted maximum at 5% for avoiding the negative impacts on the environment.
KEEFEKTIFAN BAHAN PELINDUNG ALAMI DALAM MEMPERTAHANKAN INFEKTIVITAS SPODOPTERA EXIGUA NUCLEOPOLYHEDROVIRUS (SENPV) Samsudin, Samsudin; Santoso, Teguh; Rauf, Aunu; Kusumah, Yayi Munara
BERITA BIOLOGI Vol 10, No 6 (2011)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v10i6.1932

Abstract

Spodoptera exigua nucleopolyhedrovirus (SeNPV) is a viral pathogen of onion caterpillar S. exigua with high pathogenicity. One of the major constraints to the use of SeNPV for biocontrol of onion caterpillar is its sensitivity to ultraviolet (UV) degradation. The purposes of this research were to determine the effect of sunlight exposure on the virulence of SeNPV and to find out the effective natural UV protectant to maintain the SeNPV virulence. The results showed that the sunlight radiation affects the SeNPV infectivity. Addition of 1% of coconut shell charcoal, lampblack, husk charcoal, yam flour, molasses, yam filtrate, turmeric filtrate and green tea filtrate to the SeNPV suspension were found to be effective as UV protectant. Coconut shell charcoal, lampblack and husk charcoal are activated carbon that can absorb UV light. Yam filtrate is a natural ingredient that contains saponins and is able to protect SeNPV particles as reflectance. While molasses, turmeric filtrate and green tea filtrate containing flavanoid serve as a protective virus particles and UV absorber.
Co-Authors Abdullah Abdullah Akbar, M. Fahrizal Alim Sukrisno ANDRA, YUSDI Aswitha Budiarso, Aswitha AUNU RAUF Cysca M. Lembong, Cysca M. Erlida Ariani Eva Wijayanti, Imas Farhan, Moh Fatma Amilia, Fatma Febriasari, Arifina Firman Firman Funny Soesanthy Furkan, Furkan Gusti Indriati Hamdi Hamdi Harahap, Ahmad Hariandy Haris, Muhamad Hartantyo, Sugeng Dwi Hasfarinah, Amy Humaid, Hidayat I.G.N. Wila Wirya Ichsan, Ahmad Shofiyuddin Indah Langitasari, Indah Indriani, Ratih Irawan, Muhammad Dedi Irhamni Irhamni Khaeroni, Khaeroni Kusumah, Yayi Munara Kusumah, Yayi Munara Loneli Costaner, Loneli Lukman Riyadi, Lukman Makhshun, Toha masriah masriah, masriah Mila Triana Sari, Mila Triana Muazza Muazza MUHAMMAD ALI Muhammad Nurtanto, Muhammad Muslimin Muslimin Nelvia Nelvia Nina Herlina Lubis NINGSIH, NINGSIH Nurhayati Nurhayati Nurmala Mukhtar Primi Artiningrum, Primi Purnama, Bonaventura PUTRA, IHSAN MAULANA Rahman, Hari Amirullah Rahman, K.A Ramadhan, Chairul Umam Rizky, Oddie Barnanda Rodani, Rodani Rubiyo Rubiyo Septiana Dewi Andriana, Septiana Dewi Siregar, Nofi Marlina Sri Rejeki Sudarso Sudarso Suharjono Suharjono Sukarismanti, Sukarismanti Sunoto Sunoto Sutedjo Sutedjo Tambunan, Aulia Pratama Teguh Santoso Ubaidillah Ubaidillah Ulung Pribadi, Ulung Usman Usman Uswatun Khasanah, Anis Wahyu Susihono Widiastuti Widiastuti WIJAYANTI, ARIE Wiradihardja, Sudradjat Yogi Hernata, Yogi Yuanita, Tanty Yulita Yulita, Yulita Z. Sulaiman, Z. Zakaria, Mumuh Muhsin Zamzami, Muh. Rodhi Zusiana Elly Triantini