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Journal : Nandur

Pembentukan Mutan Hipovirulen Fusarium oxysporum f.sp cubense Penyebab Layu pada Tanaman Pisang (Musa paradisiaca L.) Menggunakan Asam Nitrat Fransen Sinaga; Made Sritamin; I Ketut Suada
Nandur Vol 1 No 1 (2021)
Publisher : Fakultas Pertanian, Universitas Udayana

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Abstract

The Formation of Fusarium oxysporum f.sp. cubense Hypovirulent Mutant Causes Wilt in Banana Plants (Musa Paradisiaca L.) Using Nitric Acid. Fusarium wilt disease is a type of disease that can cause a quantitative decrease in banana plant production. Fusarium wilt disease is classified as a disease that is difficult to control, because it is underground and forms chlamydospores. Control of Fusarium with biological agents has a positive impact on the environment, one way of biological control using antagonistic microorganisms. Biological agents used are biological agents that are hypovirulent. Hypovirulent properties will compete with host pathogens in competition for space, food, and toxin excretion, thereby suppressing fusarium fungi to enter the vascular tissue of banana plants. Chemical mutagens are mutagenic agents that can cause permanent changes in the composition of DNA. Nitric acid can cause DNA cross-linking in the same strands. Nitric acid was reported as a suitable mutagen to increase the production of lactic acid Lactobacillus delbrueckii. Nitric acid can change the acid-base pair of organisms so that mutations occur. obtained a mutant that is hypovirulent which can suppress the growth of fusarium fungus as a pathogen in banana plants. The results showed that the FOC fungus isolates with 1% treatment had hypovirulent properties compared to 0.05%, 0.1% and 0.5% treatments. Hypovirulent properties are derived from the timing of symptoms. In mutant FOC, 1% of symptoms appeared on day 6. The growth of hypovirulent mutants was expected to be higher than that of pathogenic FOCs. Based on the research, it was found that the fungi had the lowest pathogenicity level, as well as high diameter growth, total spore density, and high amount of inhibition.
Co-Authors A.A.A.A.S. Sunari A.A.N.G. Suwastika Aida Lousie Tenden Rompis Aleksey Stepanov Anak Agung Ngurah Gede Suwastika ANDRIANI ANDRIANI DELVIANA PANJAITAN Dewa Ayu Ari Febriyanti Dewa Ngurah Suprapta DWI SURYANTO EUSEBIO GOMES Fransen Sinaga GEDE WIJANA Gusti Ayu Yuniati Kencana HERLINDAH CHOIRI I Gede Ketut Susrama I GEDE PUTU WIRAWAN I GEDE SUSRAMA I Gusti Agung Ayu Suartini I Gusti Ayu Diah Yuniti I Gusti Made Krisna Erawan I Gusti Ngurah Sudisma I Kadek Ngestika Pradnyana I KADEK NGESTIKA PRADNYANA I MADE AGUS WIARTANA I Made Ary Putra Nata I Made Ary Putra Nata I Made Merdana I Made Parama Nanda Mahatya I MADE SUDANA I MADE SUDANA I MADE SUDANA I MADE SUDARMA I MADE SUDARMA I Made Sukada I Nyoman Adi Khrisna Wijaya I NYOMAN MANTIK ASTAWA I NYOMAN RAI I Nyoman Suarsana I Nyoman Suartha I Putu Agus Santika Putra I WAYAN BUDIASA I WAYAN EKA ADI WIRAWAN I Wayan Suardana I WAYAN WIRAATMAJA I. A. P. Apsasri I. B. Ardana I.H. Utama I.W. Batan IDA AYU GEDE DIANGGI ADIATHY Ida Bagus Ngurah Swacita IRMA SELVYANA Br. SITEPU KADEK INTAN SURYANINGSIH Kadek Karang Agustina KETUT AYU YULIADHI M. Praborini M.D. Rudyanto MADE PHARMAWATI MADE SRITAMIN MARLIN MARHAENI PE N.W.S. Sutari Nataliya Shchegolkova NI KADEK LIA SWANDEWI NI LUH GEDE SRIYANTI NI LUH PUTU SONIA SAVITA DEWI Ni Made Ayuratih Utami NI MADE PRITIYANTI DEWI Ni Made Puspawati Ni Made Savita Rasjman Rasjman NI MADE TRIGUNASIH NI NYOMAN ARI MAYADEWI Ni Nyoman Werdi Susari Ni Putu Deana Kanaya Sahrani NI PUTU LINDA SUNARIASIH NI PUTU MERRY SENI ANTARI Ni Putu Ratna Dewi Damayanti NI WAYAN SUNITI Oleg Gladkov Olga Yakimenko Onesimus Ke Lele PUTU AYU MEITA YUDIA DEWI Putu Ayu Sisyawati Putriningsih PUTU SUGITA Rodion Poloskin Romy Muhammad Dary Mufa SANGGUL HUTASOIT SHEILA SIMANJUNTAK T. Sari Nindia TRISNA AGUNG PHABIOLA VEDERIS LEUNARDUS VICKY TANDYA WAYAN ADIARTAYASA