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All Journal Cropsaver : Journal of Plant Protection Jurnal Agrotan
Rahmawati Arma
Universitas Muhammadiyah Sinjai
Biochemistry, Genetics & Molecular Biology

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Toxicity of Ageratum conyzoides extract against Spodoptera sp Dian Ekawati Sari; Rahmawati Arma; Bakhtiar Bakhtiar
CROPSAVER Vol 4, No 2 (2021)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v4i2.36083

Abstract

Spodoptera sp. is the main pest in food crops and horticulture that can reduce production by up to 80% Control is carried out only using chemicals that can damage the environment and impact human health. so, efforts are needed for pest control by utilizing Ageratum conyzoides extracts that are more environmentally friendly. This study aims to find out the effects of A. conyzoides extract on Spodoptera sp. pests on rice plants. The study consisted of plant extraction of A. conyzoides, rearing of Spodoptera sp. and application of A. conyzoides extract on Spodoptera sp. The concentrations used are 1%, 1.5%, 2%, 2.5%, 3% and control. The results showed that the best treatment was obtained at concentrations of 3% and 2.5% with mortality percentages of 90% and 96.67%. The results of probit analysis obtained LC50 and LC90 concentrations of 1.59% and 2.53%, respectively, analysis at 72 hours after treament. Therefore, A. conizoides extract potential to be used for controlling Spodoptera sp.
Efek Beberapa Ekstrak Tanaman terhadap Kutu Beras (Sitophillus Oryzae) Dian Ekawati Sari; Rahmawati Arma; Nurmalasari -
Jurnal Agrotan Vol. 8 No. 2 (2022): JURNAL AGROTAN
Publisher : Program Studi Agroteknologi Fakultas Pertanian, Peternakan, dan Kehutanan Universitas Muslim Maros

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Abstract

Serangan hama yang menyebabkan kerusakan selama penyimpanan merupakan salah satu faktor yang mempengaruhi kualitas produk pertanian. Salah satu hama yang paling sering muncul dalam penyimpanan adalah Sitophilus oryzae. Penelitian ini bertujuan untuk mengetahui pengaruh ekstrak daun jeruk nipis (Citrus aurantifolia), ekstrak daun serai (Cymbopogon citratus), ekstrak daun cengkeh (Syzygium aromaticum L.) dan ekstrak daun pandan wangi (Pandanus amaryllifolius) sebagai insektisida alami dalam pengendalian S. oryzae. Penelitian ini dilaksanakan dengan menggunakan Rancangan Acak Lengkap yang terdiri dari ekstrak kasar dengan konsentrasi masing-masing sebesar yaitu 2% dan 4% Hasil penelitian menunjukkan bahwa konsentrasi ekstrak kasar daun serai 4 % merupakan konsentrasi terbaik dengan efek repellent pada kutu beras
Co-Authors Andi Liswahyuni Azmi Mangalisu Bakhtiar Bakhtiar Dian Ekawati Sari Faridah, Rajmi Khaeruddin Nurmalasari -