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      Potensi Seduhan Daun Bintaro dalam Pengendalian Meloidogyne incognita dan Pertumbuhan Tanaman Okra

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      Date
      2020
      Author
      Rahmadiyanti, Zahra
      Munif, Abdul
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      Abstract
      Meloidogyne incognita adalah salah satu nematoda parasit penting yang menyebabkan puru akar pada tanaman okra (Abelmoschus esculentus). Penggunaan seduhan daun bintaro (Cerbera manghas) diharapkan dapat menjadi alternatif dalam pengendalian nematoda puru akar yang lebih ramah lingkungan, karena bintaro mengandung senyawa bioaktif yang dapat dimanfaatkan sebagai nematisida nabati. Tujuan penelitian ini adalah mengevaluasi potensi seduhan daun bintaro dalam pengendalian Meloidogyne incognita in vitro serta pengaruhnya terhadap pertumbuhan okra. Daun bintaro dihaluskan dengan blender, direndam dalam larutan bekatul dan air lalu diinkubasi dengan cara aerasi dan tanpa aerasi selama tiga minggu. Setelah tiga minggu hasil seduhan disaring dan siap digunakan untuk pengujian. Konsentrasi seduhan yang digunakan dalam penelitian ini adalah 25%, 50%, dan 75%. Hasil pengujian in vitro menunjukkan bahwa seduhan daun bintaro dapat menyebabkan kematian M. incognita sebesar 25-100% pada 24 JSP. Pengaplikasian seduhan daun bintaro tidak bersifat toksik terhadap tanaman okra. Perlakuan BA 75% dan BN 75% mampu meningkatkan berat basah dan berat kering tanaman lebih baik dari perlakuan kontrol. Hasil dari penelitian ini seduhan daun bintaro bersifat toksik bagi M. incognita dan berpotensi bila dikembangkan menjadi bionematisida.
       
      Meloidogyne incognita is one of the important plant parasitic nematodes which causes root-knot in okra (Abelmoschus esculentus). Various strategies have been developed to control the root knot nematode (Meloidogyne spp) including application of botanical pesticides. The use of bintaro (Cerbera manghas) leaf infusion is expected to be an alternative for controlling root-knot nematodes. Bintaro contains bioactive compounds that can be used as a bionematicide. This research aims was to evaluate the potential of bintaro leaf infusion in controlling Meloidogyne incognita in vitro and their effects on the growth of okra. Bintaro leaves were blended, soaked in rice bran and water solution then incubated by aerated and non-aerated condition for three weeks. The infusions were filtered and stored in room temperature. The concentrations of infusion were used in this istudy are 25%, 50%, and 75%. The result showed that under in vitro test bintaro leaf infusions caused percent mortality of Meloidogyne incognita from 25% up to 100% in 24 hours after treatment. Application of infusion of bintaro leaf has no phytotoxic effect on okra. Treatment with BA 75% and BN 75% were able to increase wet weight and dry weight of okra. This research indicates that infusion of bintaro leaf have potential to be developed as a bionematicide.
       
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      http://repository.ipb.ac.id/handle/123456789/106095
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      Indonesia DSpace Group 
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