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  2. UJI ANTAGONIS BAKTERI ENDOFIT AKAR KOPI ARABIKA (Coffea arabica L.) TERHADAP FUNGI PATOGEN Cercospora coffeicola Berk. & Cooke PENYEBAB PENYAKIT BERCAK DAUN

UJI ANTAGONIS BAKTERI ENDOFIT AKAR KOPI ARABIKA (Coffea arabica L.) TERHADAP FUNGI PATOGEN Cercospora coffeicola Berk. & Cooke PENYEBAB PENYAKIT BERCAK DAUN

CINDY FEBRIYANTI (2025)

penelitian-uji-antagonis-bakteri-endofit-akar-kopi-arabika-coffea-arabica-l-terhadap-fungi-patogen-cercospora-coffeicola-berk---cooke-penyebab-penyakit-bercak-daun

UJI ANTAGONIS BAKTERI ENDOFIT AKAR KOPI ARABIKA (Coffea arabica L.) TERHADAP FUNGI PATOGEN Cercospora coffeicola Berk. & Cooke PENYEBAB PENYAKIT BERCAK DAUN

UJI ANTAGONIS BAKTERI ENDOFIT AKAR KOPI ARABIKA (Coffea arabica L.) TERHADAP FUNGI PATOGEN Cercospora coffeicola Berk. & Cooke PENYEBAB PENYAKIT BERCAK DAUN, Coffea Arabica, Cercospora coffeicola, Biological control, Sustainable coffee production...

Author: CINDY FEBRIYANTI
Date: 2025
Keywords: Coffea Arabica, Cercospora coffeicola, Biological control, Sustainable coffee production
Type: Jurnal
Category: penelitian

The Arabica coffee plant (Coffea arabica L.) has an important role in Indonesia's national economy, both as a source of foreign exchange and income for around 1.5 million farmers. Indonesia's coffee production in 2021 reached 774.6 thousand tons, an increase of 2.75% compared to the previous year. However, coffee productivity often decreases due to attacks by plant pest organisms, especially leaf spot disease caused by the pathogenic fungus Cercospora coffeicola. The disease causes reddishbrown patches on the leaves and fruit damage, which can reduce yields by up to 30-50%. Until now, no resistant coffee cultivars have been found, so overall control is carried out with cultivation techniques and synthetic fungicides, which have the potential to cause negative environmental impacts and pathogen resistance. Alternatively, the use of endophytic bacteria as biological control agents shows great potential in inhibiting the growth of C. coffeicola. The result obtained showed variations in the level of antagonist activity between isolates. Sp 4 isolates showed the highest average antagonist activity (28.97%), followed by sp6 (18.93%) and sp3 (13.67%). This indicates that sp 4 has the potential to be an effective biological control agent.This study aims to test the ability of Arabica coffee root endophytic bacteria to control the pathogen biologically. The results are expected to provide environmentally friendly leafspot disease control solutions and support healthy and sustainable coffee production

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