Authors : Wahyu Astiko; I Made Sudantha

Volume/Issue : Volume 9 - 2024, Issue 11 - November

Google Scholar : https://tinyurl.com/mwskax4z

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DOI : https://doi.org/10.38124/ijisrt/IJISRT24NOV911

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Abstract : Climate change can exacerbate the spread and severity of plant diseases, including Fusarium Wilt, due to altered weather patterns and increased stress on plants. This study aims to determine the effect of dosage application of Trichoderma harzianum fermented biourine on Fusarium Wilt disease in several shallot varieties. The method used in this research is an experimental method with a factorial completely randomized design consisting of two factors, namely doses of biourine and varieties of shallots. Biourine dosage factors include q0= Without biourine application+ Fusarium sp. inoculation; q1= 5 ml/plant+Fusarium sp. inoculation; q2 = 15 ml/plant+Fusarium sp. inoculation; q3= 25 ml/plant+Fusarium sp. inoculation; and q4= 35 ml/plant+Fusarium sp. inoculation. Varieties factors include v1= Enter Monca and v2 = Bali Karet. There were 10 treatments from a combination of varieties and biourine doses. The results of the study showed that the most effective dose of biourin in suppressing Fusarium Wilt disease in shallot plants was 35 ml (q4). Dose 35 ml of T. harzianum fermented biourin showed a significant impact on increasing plant height, number of leaves, and number of shallot plants. The Keta Monca variety showed a better number of shallot plants, while the Bali Karet variety showed better plant height and number of leaves. These findings underscore the importance of using biourine with T. harzianum to sustainably manage plant diseases and improve crop yields while selecting resilient varieties like Keta Monca to enhance agricultural productivity and resilience in climate change conditions.

Keywords : Climate Change Adaptatio, Fusarium Wilt, Trichoderma Harzianum, Shallot Varieties.

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