PENGARUH PEMBERIAN URINE SAPI TERHADAP PERTUMBUHAN BIBIT STUM MATA TIDUR PADA TANAMAN KARET (Hevea brasiliensis Mull Arg) KLON IRR112

Lilis, Selvia (2019) PENGARUH PEMBERIAN URINE SAPI TERHADAP PERTUMBUHAN BIBIT STUM MATA TIDUR PADA TANAMAN KARET (Hevea brasiliensis Mull Arg) KLON IRR112. Diploma thesis, UNIVERSITAS ANDALAS.

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Abstract

Karet (Hevea brasilliensis Mull Arg) merupakan komoditas perkebunan yang peranannya sangat penting di Indonesia. Hal ini dilihat dari perkembangan pasar karet alam dunia ditunjukkan dengan tingkat harga yang relatif tinggi.Rendahnya produksi karet disebabkan karena varietas tanaman dan pemeliharaan tanam.Penelitian ini bertujuan untukmendapatkan dosis pemberian urine sapi pada pertumbuhan klon IRR112 dalam okulasi tanaman karet (Hevea brasiliensisMull Arg).Penelitian ini dilakukan di kebun percobaan kampus III Universitas Andalas, pada bulan Agustus sampai November 2018. Metode yang digunakan pada penelitian adalah Rancangan Acak Lengkap (RAL) dengan 5 tarafperlakuan (50, 100, 150, 200 ml/Liter air)dan 3 ulangansehinggadiperoleh 15 unit percobaan, dimana setiap unit 3 tanamandansetiapulangandiambil 3 sampel. Pertambahan yang diamati adalah tinggi tunas tanaman, diameter tunas, jumlah daun tanaman, jumlah payung daun dan rasio tajuk akar. Hasil penelitian menunjukan bahwa Pemberian urine sapipadaklon IRR 112 hasilokulasitanamankaret tidak memberikan pengaruh yang signifikan terhadap pertumbuhan, tetapi pemberian urine sapi100 ml/liter air mampu untuk meningkatkan diameter tunas. Kata Kunci : Urine Sapi, Ultisol, Karet, Okulasi dan IRR 112 THE EFFECT OF GIVING URINE COW ON GROWTH OF SLEEP EYE STUM IN RUBBER PLANTS (Hevea Brasiliensis Mull Arg) KLON IRR112 ABSTRACT Rubber (Hevea brasilliensis Mull Arg) is a plantation commodity whose role is very important in Indonesia. This is seen from the development of the world natural rubber market indicated by relatively high price levels. The low production of rubber is due to plant varieties and maintenance of planting. The aim of this study was to obtain a dose of cow urine in the growth of IRR112 clones in grafted rubber plants (Hevea brasiliensis Mull Arg). This research was conducted in the campus III experimental garden of Andalas University, from August to November 2018. The method used in the study was a completely randomized design (CRD) with 5 treatment levels (50, 100, 150, 200 ml / liter of water) and 3 replications so that 15 units of experiment were obtained, in which 3 units of each plant and each replication were taken 3 samples. The increments observed were plant bud height, bud diameter, number of plant leaves, number of leaf umbrellas and root canopy ratio. The results showed that the administration of cow urine in the IRR 112 clone from the rubber grafting did not have a significant effect on growth, but the administration of 100 ml / liter of cow urine was able to increase the diameter of the shoot. Keywords: Cow Urine, Ultisol, Rubber, Grafting and IRR 112

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