BAKTERI ENDOFIT INDIGENOS POTENSIAL ASAL KABUPATEN DHARMASRAYA TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) DI PRE NURSERY

Yuliatri, Yuliatri (2017) BAKTERI ENDOFIT INDIGENOS POTENSIAL ASAL KABUPATEN DHARMASRAYA TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) DI PRE NURSERY. Masters thesis, UNIVERSITAS ANDALAS.

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Abstract

BAKTERI ENDOFIT INDIGENOS POTENSIAL ASAL KABUPATEN DHARMASRAYA TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) DI PRE NURSERY ABSTRAK Bakteri endofit adalah bakteri yang mampu mengkolonisasi jaringan tanaman dan mendorong pertumbuhan dan perkembangan tanaman. Kelapa sawit adalah salah satu komoditi yang menghasilkan minyak tertinggi per satuan luasnya dibandingkan jenis tanaman lainnya. Kabupaten Dharmasraya memiliki perkebunan kelpa sawit yang cukup luas dan membutuhkan bibit yang bagus untuk dapat meningkatkan produktifitas tanaman. Usaha meningkatkan produktifitas kelapa sawit adalah penyediaan bibit unggul dan memanfaatkan mikroorganisme yang ramah lingkungan dan dapat membantu memacu pertumbuhan tanaman seperti bakteri endofit. Tujuan dari penelitian ini untuk mendapatkan isolate bakteri endofit indigenos yang potensial dari perakaran kelapa sawit terhadap pertumbuhan bibit kelapa sawit (Elaeis Guineensis Jacq) Di Pre Nursery. Bakteri endofit indigenos potensial yang dapat meningkatkan pertumbuhan bibit tanaman kelapa sawit di Pre Nursery yaitu isolat A2.2.1 dan D5.2.1 mampu meningkatkan tinggi tanaman, total luas daun, bobot segar bibit dan segar akar, bobot kering bibit dan kering akar. Kata Kunci : kelapa sawit, pembibitan pre nursery, bakteri endofit indigenos INDIGENOS ENDOPHYTIC BACTERIA OF DHARMASRAYA REGENCY ON GROWTH OF OIL PALM SEEDLINGS (Elaeis guineensis Jacq) IN THE NURSERY ABSTRACT Endophytic bacteria have the ability to colonize plant tissues and promote plant growth and development. Oil plam is one of the commodities that produce the highest oil per unit area compared to other plant species. Dharmasraya Regency has a large palm oil plantation and needs a good seed to increase the productivity of the crop. Effort to increase the productivity of oil palm by providing superior seeds and utilizing environmentally friendly microorganisms can help spur the growth of plants such as endofi bacteria. The purpose of this study was to obtain potential indigenous endophytic bacteria isolates from oil palm rooting on the growth of oil palm seedlings (Elaeis guineensis Jacq) in Pre Nursery. Potential indigenous endophytic bacteria that can increase the growth of oil palm seedlings in Pre Nursery are isolates A2.2.1 and D5.2.1 can increase plant height, total leaf area, fresh weight of seedlings and fresh root, dry weight of seedlings and root. Keywords: Oil Palm, Pre Nursery , Indigenous Endophytic Bacteria

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