Eksplorasi Bakteri Endofit Pada Daun Tanaman Mangrove yang Berpotensi Sebagai Agensia Hayati Terhadap Alternaria sp. secara In Vitro

Moekti, Nirwana Septania Galih Perwira (2025) Eksplorasi Bakteri Endofit Pada Daun Tanaman Mangrove yang Berpotensi Sebagai Agensia Hayati Terhadap Alternaria sp. secara In Vitro. Undergraduate thesis, UPN Veteran Jawa Timur.

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Abstract

Mangroves are one of the important ecosystems often found in coastal estuaries that have the ability to grow and develop in high salinity zones. One type of mangrove that can be utilized is Avicennia marina which contains various types of endophytic bacteria. Therefore, this study aims to obtain endophytic bacterial isolates that have the potential as biological agents on the leaves of Avicennia sp. mangrove plants against the pathogenic fungus Alternaria sp. The isolation method used is direct planting. Antagonist testing is done by dual culture method through measuring the diameter of the inhibition zone. Samples taken are healthy and fresh leaves. The results of the exploration of endophytic bacteria on the leaves of Avicennia sp. mangrove plants showed that 34 isolates were isolated with 9 positive isolates that were positive for bio-aging against Alternaria sp. with the average diameter of the best inhibition zone being isolate D28 of 12.5 mm.

Item Type:

Thesis (Undergraduate)

Contributors:

Contribution	Contributors	NIDN/NIDK	Email
Thesis advisor	Prasetyawati, Endang Triwahyu	NIDN0703126403	endang_tp@upnjatim.ac.id
Thesis advisor	Wuryandari, Yenny	NIDN0714016601	yennywuryandari@upnjatim.ac.id

Subjects:

S Agriculture > SB Plant culture > SB950-989 Pest Control and Treatment of Diseases, Plant Protection
S Agriculture > SB Plant culture

Divisions:

Faculty of Agriculture > Departement of Agritechnology

Depositing User:

Nirwana Septania Galih Perwira Moekti

Date Deposited:

18 Jun 2025 02:12

Last Modified:

18 Jun 2025 02:12

URI:

https://repository.upnjatim.ac.id/id/eprint/38061