OPTIMASI STERILISASI PERMUKAAN DAUN DAN ELIMINASI ENDOFIT PADA BURAHOL

Noor Aini Habibah(1), Sumadi -(2), Sri Ambar(3),


(1) FMIPA UNNES Gd D6 Lt 1 Jln. Raya Sekaran- Gunungpati- Semarang 50299 Telp./Fax. (024) 8508033
(2) FMIPA UNNES Gd D6 Lt 1 Jln. Raya Sekaran- Gunungpati- Semarang 50299 Telp./Fax. (024) 8508033
(3) FMIPA UNNES Gd D6 Lt 1 Jln. Raya Sekaran- Gunungpati- Semarang 50299 Telp./Fax. (024) 8508033

Abstract

Abstrak
Burahol termasuk tanaman yang buahnya dapat dimakan, dan mempunyai zat-zat aktif yang berpotensi sebagai obat dan deodoran alami. Kultur in vitro merupakan salah satu cara dalam produksi metabolit sekunder. Tingginya kontaminasi merupakan salah satu hal yang menjadi kendala dalam kultur  in vitro. Salah satu sumber kontaminan adalah eksplan yang digunakan dalam kultur in vitro. Optimasi sterilisasi permukaan merupakan langkah awal yang sangat penting dalam pengembangan kultur in vitro. Penelitian ini bertujuan mendapatkan prosedur optimasi sterilisasi permukaan eksplan daun burahol dan juga melakukan deteksi dan eliminasi edofit pada daun burahol. Optimasi sterilisasi permukaan dilakukan dengan perlakuan variasi konsentrasi klorox dan waktu perendaman. Hasil penelitian menunjukkan bahwa daun burahol mengandung jamur endofit. Eliminasi jamur endofit dapat dilakukan dengan penyiraman tanaman dengan fungisida. Sterilisasi permukaan eksplan yang paling optimal adalah dengan fungisida selama 24 jam, dilanjutkan dengan perendaman bakterisida dan fungisida selama 30 menit, perendaman pada alcohol 70% selama 1 menit, dilanjutkan dengan klorox 15% 10 menit, dan klorox 10% 10 menit berturut-turut.

 

Abstract
Burahol has active substances with potential as a drug and natural deodorant. In vitro culture is one way to production of secondary metabolites. High contamination is one of the things that become obstacles in in vitro culture . One of the contaminant source is explant that used in in vitro culture. Optimization of surface sterilization is a very important first step in the development of in vitro culture. This study aims to get the optimization procedure surface sterilization of burahol leaf explant and also perform detection and elimination endophyte on burahol leaves. Optimization surface sterilization is done by treatment by variations clorox concentration and immersion time. The results showed that the burahol leaves contain fungal endophytes. Endophytic fungus elimination can be done by sprinkling the plants with fungicides. Explant surface sterilization is the most optimal with fungicide for 24 hours, followed by immersion bactericide and fungicide for 30 minutes, immersion in 70 % alcohol for 1 min, followed by 10 minutes clorox 15 %, and 10 % clorox 10 minutes.

Keywords

Optimization Of Surface Sterilization; Endophyte; Burahol

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