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Abstrak (Bhs. Indonesia)

Aren (Arenga pinnata (Wurmb.) Merr.) termasuk jenis tanaman palma yang serbaguna dan tersebar hampir di seluruh wilayah Indonesia. Salah satu kendala yang dapat dijumpai pada budidaya aren yaitu serangan organisme pengganggu tanaman (OPT) seperti alga Cephaleuros virescens penyebab penyakit karat daun aren. Alternatif pengendalian patogen yang dapat dilakukan adalah aplikasi biopestisida seperti Bio P60 dan Bio T10. Penelitian dilaksanakan di Desa Sokaraja Tengah, Kecamatan Sokaraja, Kabupaten Banyumas dari bulan Oktober sampai Desember 2021. Hasil penelitian menunjukkan bahwa aplikasi Bio P60 dan Bio T10 dapat menghambat pertumbuhan patogen C. virescens ditandai dengan rendahnya nilai intensitas penyakit dan nilai AUDPC dibanding dengan perlakuan kontrol. Aplikasi Bio P60 dan Bio T10 belum mampu meningkatkan pertumbuhan tinggi dan jumlah bibit aren namun mampu meningkatkan luas daun bibit aren. Aplikasi naungan mampu menghambat pertumbuhan alga C. virescens dan mampu meningkatkan luas daun bibit aren.

Abtrak (Bhs. Inggris)

Sugar palm (Arenga pinnata (Wurmb.) Merr.) is a versatile type of palm plant and is widely distributed throughout Indonesia. One of the obstacles that can be encountered in the cultivation of sugar palms is the attack of plant pest organisms such as the algae Cephaleuros virescens which causes palm leaf rust disease. Alternative pathogen control that can be done is the application of biopesticides such as Bio P60 and Bio T10. This study was conducted in Sokaraja Tengah Village, Sokaraja District, Banyumas Regency from October to December 2021. The value of disease intensity and AUDPC of leaf rust applied by Bio P60 and Bio T10 was lower than control plants, this proves that Bio P60 and Bio T10 can inhibit the growth of the pathogen C. virescens that causes palm leaf rust disease. The application of Bio P60 and Bio T10 was not able to increase the growth of height and sugar palm shoots but was able to increase the leaf area of sugar palm seedlings. Shade application was able to inhibit the growth of C. virescens algae and can increase the leaf area of the sugar palm seedlings.

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