Browsing Visi by Author "Gultom, Tumiur"
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Analisis Pengetahuan Masyarakat tentang Geopark Kaldera Toba dan Tumbuhan Endemik di Sumatera Utara
Gultom, Tumiur; Azwar, Erawati; Siregar, Novita Sahara; Surbakti, Risa Putri (Jurnal Visi Universitas HKBP Nommensen Medan, 2019-06-01)Geopark is an earth park that has elements of geodiversity, biodiversity, and cultural diversity. This study aims to identify people’s understanding of Toba Caldera and endemic plants in North Sumatera. This activity consist ... -
Biologi Bunga Kembang Kertas (Zinnia elegans. Jacq) Populasi M2 Hasil Irradiasi Sinar X
Gultom, Tumiur; Purwantoro, Aziz; Sulistyaningsih, Endang; Nasrullah, Nasrullah (Jurnal Visi Universitas HKBP Nommensen Medan, 2012-06-01)The aim of this research was to study the morphology and anatomy of mutant Zinnia elegansJacq induced by X-ray with three doses (0,25; 0.50 and 1.0 krad). Seeds of Zinnia elegansJacq single ray floret and white color) was ... -
Pengaruh Frekuensi penyiraman terhadap Pertumbuhan dan Produksi Tiga Varietas Bawang Merah ( Allium cepa var. ascalonicum.L)
Gultom, Tumiur; Panjaitan, Siska (Jurnal Visi Universitas HKBP Nommensen Medan, 2017-02-01)This study aims to obtain varieties that will withstand dry environment to see the effect of a given treatment, which was held on December 2015 until February 2016, at the KebunPercobaan, FakultasPetanian, UniversitasSis ... -
Selfing dan Open pollinated padaKembangKertas (Zinnia elegansJacq.)
Gultom, Tumiur; Sulistiyarini, Endang (Jurnal Visi Universitas HKBP Nommensen Medan, 2014-02-01)There are three types of flowers of kembangkertas namely single, double and pompom (fully double). Single and double flower were stamen and pistil can be found in one flower. The aim of the research was to study the potential ...