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INDONESIA
Bioma : Berkala Ilmiah Biologi
Published by Universitas Diponegoro
ISSN : -     EISSN : 25982370     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
BIOMA (ISSN 1410-8801) adalah Majalah Ilmiah Biologi yang bertujuan mewadahi semua informasi hasil penelitian, telaah pustaka, makalah teknis, dan kajian buku, dari berbagai cabang ilmu Biologi. Diharapkan penerbitan ini dapat berkontribusi dalam penyampaian informasi ilmiah yang merupakan mata rantai proses kegiatan ilmiah. Terbit sejak tahun 1999.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol. 22, No 2, Tahun 2020" : 12 Documents clear
Viabilitas Biofungisida Produk Lokal dan Aplikasinya untuk Penundaan Gejala Penyakit Hawar Daun Tanaman Kentang Naufal, Mochammad Fa’iq Qoys; Purwantisari, Susiana
Bioma : Berkala Ilmiah Biologi Vol. 22, No 2, Tahun 2020
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.22.2.188-195

Abstract

Late blight disease caused by Phytophthora infestans, is probably the single most important disease of potatoes worldwide. Infected plants were quickly killed and were difficult for replanting, causing significant losses for the growers. Various control methods were examined including the use of biocontrol agents of Trichoderma agent.  The research objective was to determine the ability of biofungicide product from Temanggung local farmer group to delay late blight disease incidence on potato plants in the field. The in vivo experiment was carried out at potato land area located at Kaponan  Sub District, Pakis District and Magelang Regency. Complete Randomized Design  with six treatments and twenty replication was applied and each of which was placed in a different plot. On the first plot treatment was given chemical fertilizer application (P0);The second plot treatment  (P2) was given with leaking and spraying application of biofungicide ( H-7, H+8, and H+15); The third plot treatment (P3) was given with spraying application of biofungicide   (H+8, H+15, and H+21); The fourth plot treatment (P4) was given with spraying application of biofungicide   (H+8, H+15, H+21 and H+28), and the last tretment (P5) was given with no application of chemical fungiside and pesticide. Result of the research showed that application of biofungicide could delay late blight disease incubation period until 14 days compared the control treatment (P0). The percentage of viability of the active biofungicide after being stored for 4 months still shows a high value of 87.13%, so that this local product biofungicide still meets the feasibility standard for its application in the field.
Sistematika Kongkang Jeram Huia masonii (Boulenger, 1884) Berdasarkan Karakter Morfologi Haekal, Muhammad; Hamidy, Amir; Yudha, Donan Satria; Eprilurahman, Rury
Bioma : Berkala Ilmiah Biologi Vol. 22, No 2, Tahun 2020
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.22.2.161-169

Abstract

Huia masonii (Boulenger, 1884) or Javan Torrent Frog is one of the frogs that are endemic on the island of Java. The presumption of two different forms of Huia's morphology according to Manthey and Dezer’s publication makes a systematic study of these species among their populations necessary. In this study, a systematic study of H.masonii was conducted between populations with a morphological approach to determine differences in character between populations, taxonomic status and phylogeny between populations. A total of 111 adult specimens (62 males and 49 females) from each population with good condition were observed morphologically. Data analysis was performed using Principal Component Analysis (PCA) and UPGMA Clustering. The results of this study indicate that there are no fundamental differences in the characteristics of each population so that there are no characters that can be used as diagnostic characters. The absence of this diagnostic character also makes the taxonomic status of H. masonii morphologically unchanged. Besides relationship between populations is still close to one another morphologically

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