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All Journal Jurnal Lahan Suboptimal Maspari Journal Jurnal Penelitian Tanaman Industri Klorofil: Jurnal Penelitian Ilmu-Ilmu Pertanian Jurnal Penelitian Tanaman Industri (Littri) SRIWIJAYA JOURNAL OF ENVIRONMENT BIOVALENTIA: Biological Research Journal
Dwi Putro Priadi
Agronomy Department, Faculty Of Agriculture, Universitas Sriwijaya - Palembang INDONESIA
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Energy Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Medicine & Pharmacology Public Health

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Journal : Jurnal Lahan Suboptimal

 1 
Karakteristik dan Kemelimpahan Nepenthes di Habitat Miskin Unsur Hara Mardhiana Mardhiana; Yakup Parto; Renih Hayati; Dwi Putro Priadi
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 1 No. 1 (2012)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (314.029 KB) | DOI: 10.33230/JLSO.1.1.2012.7

Abstract

Mardhiana et al., 2012. The Characteristics and Abundance of Nepenthes of Nutrient-poor Habitats. JLSO 1(1):50-56.This research aimed at assesing the characteristics and abundanceof Nepenthespopulation in nutrient-poor habitats. This study was conducted at two locations, Talang Kelapa village, Banyuasin Km 10, and Pasir Putih village, Sukajadi, Banyuasin Km 18. Observations were made on  the soil chemical and physical properties, morphology  and population abundance  of Nepenthes. The result showed  that N. mirabilis was the only species found in  Talang Kelapa and Pasir Putih.  Nepenthes upwere able to grow well in very poor soil nutrients. Natural habitat in Pasir Putih with sandy soil  and water log condition gave better effect on the morphology and abundance in than in Talang Kelapa with  clay soil and dry.  The ratio of  Nepenthes abundance in Pasir Putih to that in Talang Kelapa was 3:2. 
Oil Palm Fruit Bunch Yield Fluctuation between Dry and Rainy Season in Dry and Wetland Dwi Putro Priadi; Nusyirwan Abuchatam; J. Simangunsong
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 2 No. 1 (2013)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (499.03 KB) | DOI: 10.33230/JLSO.2.1.2013.31

Abstract

The objective of this research was to study how much yield difference of fresh fruit bunch of oil palm between dry and rainy season, and whether the yield difference much in dry land compare with wetland. The research was conducted in Entisol of PTPN VII Betung, and in Ultisol of PTP Hindoli, both in Sungai Lilin Regency. Yield data used in this study was data of year 2007−2010. Rainfall data during 2007−2010 showed no absolute dry month during dry seasons. The result of the study indicated that yield in dry land higher than in wetland either in dry season or in rainy season. Yield fluctuated between dry and rainy season either in dry land or in wetland. But, yield in rainy season did not consistently higher than in dry season. It was concluded that oil palm yield was influenced not only by soil water supply and rainfall quantity, but also internal and many other external factors.
Kajian Teknik Pemberian Hara Terhadap Pertumbuhan dan Perkembangan Nepenthes mirabilis Mardhiana Mardhiana; Yakup Parto; Renih Hayati; Dwi Putro Priadi
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 4 No. 1 (2015): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (458.978 KB) | DOI: 10.33230/JLSO.4.1.2015.140

Abstract

The objective of this research was to study the effect of nutrient fertilization on the growth and development of nepenthes (Nepenthes mirabilis). The research was conducted from October 2011 until March 2012 at Sukarami village, Palembang, Indonesia. Factorial randomized block design with two treatment factors was applied. The first factor was NPK fertilizer dosage which consisted of three levels: Po = no fertilizer, P1 = 5 g, P2 = 10 g. The second factor was number of ants: S0 = none, S1 = 20, S2 = 40, S3 = 60. The results indicated that NPK fertilizer application of 5-10 g to the planting media could increase plant growth and development, particularly in plant height, stem girth, and leaf number of N. mirabilis. Giving 60 ants per plants into nepenthes pitcher could yield the largest pitcher number, 3-4 pitcher per plant. Combination of 5 g NPK and 20 ants, similarly, combination of 10 g NPK and 0 ants resulted in the largest leaf increment (10-11 leaves). Combination of 0 NPK and 60 ants resulted in the largest pitcher number (3-4 pitcher per plant).
Effect of Plant Gowth Regulator on The Gowth of Zygotic Embryos in Three Types of Oil Palm Fruit (Elaeis guineensis Jacq.) in Tissue Culture Hadi Surahman; Gogoh Sulaksono; Zulhermana Sembiring; Astuti Kurnianingsih; Dwi Putro Priadi; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 9 No. 2 (2020): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.9.2.2020.474

Abstract

Surahman H, Sulaksono G, Sembiring Z, Kurnianingsih A, Priadi DP, Asmono D. 2020. Effect of plant gowth regulator on the gowth of zygotic embryos in three types of oil palm fruit (Elaeis guineensis Jacq.) in tissue culture. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 9(2): 149-159.Embryo culture is a widely used and effective way of overcoming the dormancy nature of seeds in oil palm.  At the germination stage, the influence of gowth regulators play an important role although in relatively lower concentrations in the germination media. This aim research determined the effect of adding various concentrations of gowth regulator on the three types of oil palm fruit based on the thickness of the shell. This research carried out at the Tissue Culture Laboratory of PT. Sampoerna Ago Tbk. from September 2018 to January 2019. The gowth regulator substances used in this study were NAA, BAP and GA3. The composition of the gowth regulators used were H1 = 0.05 mg/L NAA + 0.1 mg/L BAP + 0.1 mg/L GA3, H2 = 0.05 mg/L NAA + 0.3 mg/L BAP + 0.1 mg/L GA3, H3 = 0.05 mg/L NAA + 0.5 mg/L BAP + 0.1 mg/L GA3 and H4 = No gowth regulator. While the types of oil palm fruit used were C1 = Dura, C2 = Tenera and C3 = Pisifera. This research used a factorial complete randomized design with three replications. The results showed that in general the use of gowth regulator substances H1 = 0.05 mg/L NAA + 0.1 mg/L BAP + 0.1 mg/L GA3 and the type of dura fruit showed positive results based on viability, scoring, survival and height of plantlets when compared with other treatments.
Co-Authors Andi Arif Setiawan Andi Arif Setiawan, Andi Arif ANDI WIJAYA Asmawati Asmawati Astuti Kurnianingsih Dedik Budianta Dwi Asmono Dwi Asmono Erika, Pratiwi Gogoh Sulaksono Hadi Surahman Hasmeda, Mery Heripan, Heripan Heripan, Heripan Herrero, Javier Iman Suwono J. Simangunsong Jun Harbi Kamaluddin, MT Khairunnisa, Eka Nurriza Mardhiana Mardhiana MARLINA, . Mery Hasmeda Milantara, Noril MT Kamaluddin Nusyirwan Abuchatam Renih Hayati Ridhah Taqwa Ridhah Taqwa, Ridhah Rujito Agus Suwignyo Santika, Baitha Sarimana, Upit Sembiring, Zulhermana sriati sriati Sriati Sriati, Sriati Suheyanto Suheryanto Suwono, Iman Wendra, Fahmi Yakup Parto Yosafat Tawanggian Zazili Hanafiah Zulhermana Sembiring