PEMUPUKAN GANDASIL-D TERHADAP PERTUMBUHAN BIBIT POHON PENGHASIL GAHARU JENIS Gyrinops versteegii (Gilg) Domke

Handiward Tonoro, Fabiola B. Saroinsong, Josephus I. Kalangi, Marthen T. Lasut

Abstract


ABSTRACT
Gaharu contains damar wangi from the mastic tree on a part of gaharu-producer trees that accurs naturally and have died due to a fungal infection that accurs naturally or artificially. The purpose of this study was to analyze the effect of frequency method Randomized Complete Design (CRD), with 5 treatment and 5 replications. A treatment without fertilizer, B treatment (application of fertilizer once a week, which is on Saturday, C treatment (twice a week, which are on Saturday and Tuesday, D treatment (3 times a week, which are on Saturday, Tuesday and thursday and E treatment (4 times a week, which are on Saturday, Monday, Wednesday, Friday. Planting medium used in this study is a mixture of soil, sand and chicken manure in the ratio 1:1:1 by volume. Variables measured were plant’s height, stem’s diameter and number of leaves. The results showed that the application of leaf fertilizer Gandasil D on Gyrinops versteegi seedi deliver tangible results in plants height. D treatment (application of fertilizer 3 times a week) showed good results in plant compared with other treatment.
Keywords : Gyrinops caudata, Agarwood, foliar fertilizer Gandasil D

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DOI: https://doi.org/10.35791/cocos.v4i2.3775

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