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All Journal Biospecies Biopendix: Jurnal Biologi, Pendidikan dan Terapan
Hibatullah, Juanita
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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EFFECTS OF ADDITION BAGASSE DEGRADANT BY CELLULOLYTIC BACTERIA Bacillus subtilis ON GROWTH MEDIA OF OYSTER MUSHROOM Pleurotus ostreatus Hibatullah, Juanita; Safitri, Mutia; Harlis, Harlis; Budiarti, Retni Sulistiyoning
BIOPENDIX: Jurnal Biologi, Pendidikan dan Terapan Vol 11 No 1 (2024): Biopendix: Jurnal Biologi, Pendidikan & Terapan
Publisher : Program Studi Pendidikan Biologi FKIP Unpatti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/biopendixvol11issue1page52-57

Abstract

Background: Sugarcane (Saccharum officinarum L.) serves as a valuable resource for the sugar and beverage industries, a significant quantity of its by-product, bagasse, remains underutilized. A promising strategy for increasing the value of bagasse involves improving its substrate quality through the application of cellulose-degrading bacteria, such as Bacillus subtilis. Methods: The objective of this research is to investigate the influence of bagasse degradant supplementation on the growth of oyster mushrooms. A randomized experimental design was employed to evaluate growth media containing varying concentrations of bagasse degradant (500, 600, 700, and 800 gram) in comparison to a control group. The study assessed the impact of bagasse degradant on pin diameter, fresh weight, dry weight, and water content, using ANOVA and the Duncan's Multiple Range Test (DMRT) at a significance level of 5%. Results: The study showed the addition of bagasse degradant affected the pin diameter, fresh weight, and dry weight of oyster mushroom. However, it is not effective towards the water content of oyster mushroom. Conclusion: The addition of bagasse degradant affected the pin diameter, fresh weight, and dry weight, whereas the water composition did not affected the growth of P. ostreatu
Karakterisasi Morfologi dan Patogenisitas Colletotrichum sp. dan Lasiodiplodia sp. dari Daun Kelengkeng yang Terinfeksi Penyakit Anraknosa dan Bercak Daun di Merangin Hibatullah, Juanita; Safitri, Mutia
Biospecies Vol. 19 No. 1 (2026): Januari 2026
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/biospecies.v19i1.45879

Abstract

Longan Merangin Regency, Jambi Province. However, longan production is frequently constrained by is an economically important fruit crop widely cultivated in Indonesia, particularly in foliar diseases, notably anthracnose and blight, which significantly reduce both yield and fruit quality. This study aimed to isolate and identify the fungal pathogens associated with anthracnose and blight symptoms on longan leaves collected from Pulau Rengas, West Merangin. Symptomatic leaf samples were subjected to fungal isolation, followed by macroscopic and microscopic characterization. Pathogenicity assays were conducted in vitro to confirm the disease-causing potential of the isolates. Two distinct fungal species were identified: Colletotrichum sp., exhibiting gray, cottony colonies with septate hyphae and cylindrical conidia, and Lasiodiplodia sp., characterized by dark gray to black, fluffy colonies and ellipsoid to obovoid conidia. In vitro, inoculation of healthy longan leaves with these isolates resulted in the development of characteristic lesions: brownish-gray spots for Colletotrichum sp. and dark necrotic lesions for Lasiodiplodia sp., confirming their pathogenicity. These findings are consistent with previous reports implicating these genera as causal agents of anthracnose and blight in longan and other tropical crops. This study represents the first report of Lasiodiplodia sp. associated with blight spot disease in longan leaves. 
Co-Authors Budiarti, Retni Sulistiyoning Harlis Harlis Safitri, Mutia