Efektivitas Pestisida Nabati Ekstrak Sereh Terhadap Intensitas Serangan Kutu Daun (Aphididae) pada Tanaman Cabai Rawit (Capsicium frutescens. L.): Effectiveness of Lemongrass (Cymbopogon Nardus) Extract as a Botanical Pesticide Against Aphid (Aphididae) Infestation on Bird's Eye Chili (Capscum frutescens L.)

Muhammad Sandy Marta Ussani; Mirtaati Na’ima

doi:10.31941/biofarm.v22i2.8116

Efektivitas Pestisida Nabati Ekstrak Sereh Terhadap Intensitas Serangan Kutu Daun (Aphididae) pada Tanaman Cabai Rawit (Capsicium frutescens. L.)

Effectiveness of Lemongrass (Cymbopogon Nardus) Extract as a Botanical Pesticide Against Aphid (Aphididae) Infestation on Bird's Eye Chili (Capscum frutescens L.)

Authors

Muhammad Sandy Marta Ussani Program Studi Pendidikan Biologi, Fakultas Sains Dan Teknologi, UIN Walisongo Semarang
Mirtaati Na’ima Program Studi Pendidikan Biologi, Fakultas Sains Dan Teknologi, UIN Walisongo Semarang

DOI:

https://doi.org/10.31941/biofarm.v22i2.8116

Abstract

Serangan kutu daun (Aphis gossypii) merupakan pembatas utama produktivitas cabai rawit (Capsicum frutescens L.) akibat kerusakan mekanis dan perannya sebagai vektor virus. Penelitian berdesain Rancangan Acak Lengkap (RAL) ini mengevaluasi efektivitas biopestisida serai dapur (Cymbopogon citratus, S1) dibandingkan pestisida kimia profenofos (S2) dan kontrol (Sk). Hasil studi menunjukkan bahwa ekstrak serai (S1) memiliki efikasi sebanding dengan pestisida kimia (S2) dalam menekan outbreak populasi awal A. gossypii pada fase vegetatif, sekaligus merangsang pertunasan lateral. Kendati demikian, kedua perlakuan gagal mencegah mortalitas total (survival rate 0%) pada akhir pengamatan. Gejala klinis berupa kerusakan lamina, nekrosis meristem, dan penghitaman pucuk mengonfirmasi adanya infeksi sistemik virus (seperti Pepper Yellow Leaf Curl Indonesia Virus). Disimpulkan bahwa C. citratus berpotensi sebagai insektisida botani ramah lingkungan untuk menekan populasi vektor, namun efikasinya terbatas apabila infeksi virus telah menyebar di jaringan vaskular tanaman.

Kata kunci: Aphis Gossypii, Biopestisida, Capsicum Frutescens, Cymbopogon Citratus, Virus Tanaman

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Published

2026-10-31

Issue

Vol. 22 No. 2 (2026): BIOFARM JURNAL ILMIAH PERTANIAN

Section

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