Karakterisasi Jamur Penyebab Penyakit Busuk Pangkal Batang (Basal Rot) pada Bawang Wakegi (Allium x wakegi Araki)

Asrul - Asrul, Rosmini Rosmini, Ade Rista, Intan Dwi Astuti, Ahmad Yulianto

Abstract

Bawang wakegi merupakan hasil persilangan alami antara bawang merah (Allium cepa L. aggregatum group) dan bawang daun (Allium fistulosum L.).  Salah satu faktor yang mengganggu pertumbuhan dan mempengaruhi hasil produksi bawang wakegi di lapang adalah keberadaan penyakit busuk pangkal batang (basal rot) atau layu Fusarium.  Penyakit ini disebabkan oleh banyak spesies dari jamur patogen Fusarium spp yang berbeda. Penelitian ini bertujuan untuk menentukan karakteristik jamur patogen busuk pangkal batang yang menyerang bawang wakegi sehingga dapat dipastikan patogen penyebabnya.  Tahapan penelitian meliputi pengambilan sampel, isolasi jamur, uji patogenisitas,  dan karakterisasi secara makroskopis dan mikroskopis.  Hasil karakterisasi jamur patogen yang menginfeksi bawang wakegi mengarah pada karakteristik jamur F. oxysporum f.sp. cepae.

Keywords

F.oxysporum f.sp. cepae; karakteristik; busuk pangkal batang; bawang wakegi

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DOI: https://doi.org/10.37637/ab.v4i3.835

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