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M. Tahir
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry

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Determinasi Kualitas dan Kuantitas Minyak Biji Kapas Berdasarkan Analisis Keragaman Genetik pada 22 Aksesi Plasma Nutfah Kapas Luluk Ayu Parida; M. Tahir; Jakty Kusuma
Jurnal Agro Industri Perkebunan Volume 7 No. 1, Mei 2019
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v7i1.1054

Abstract

Cotton plants belong to the family Malvaceae with the genus Gossypium. The genus Gossypium is very large containing 50 species. Balittas Malang has a collection of cotton germplasm, about 662 accessions consisting of 642 accessions of G. hirsutum, 14 accessions of G. barbadense, 3 accessions of G. arboreum, and 3 accessions of G. herbaceum. In addition to its ability as a producer of fiber, its seeds can also be utilized as a source of oil and is a secondary production. The purpose of this study was to measure and estimate the genetic diversity of cotton germplasm based on the character of superior quality and quantity of cotton seed oil from several cotton plant genotypes and determine which cotton plants have good quality and quantity of cotton seed oil which is subsequently used as breeding sources & national cotton development elders. To achieve this goal, the experiment was conducted with the experimental method Randomized Block Design (RBD) consisting of 2 replications, 22 germplasm accessions as treatment, and 5 samples in each genotype. The observational parameters are the parameters of oil content quality, oil boiling point, oleic content, and linoleic content. Then the cluster analysis shows that there are 3 cluster analysis groups. Extensive genetic diversity will be beneficial in developing better quality and quantity of cottonseed oil, namely in accession of CRISS-665, CRISS-667, and KANESIA-14 which contribute more than accession of other cotton germplasm to the maximum value of quantity and quality parameters cotton seed oil.
Respons Pertumbuhan dan Rendemen Minyak Klon Nilam (Pogostemon cablin Benth) terhadap Aplikasi Berbagai Dosis Urea (Growth Response And Yield Of Patchouli Clones (Pogostemon Cablin Benth) On Dose Urea Various Applications) Retno Ayu Diah Pangestu; M. Tahir; Fatahillah Fatahillah
Jurnal Agro Industri Perkebunan Volume 8 No. 2, Oktober 2020
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v8i2.1376

Abstract

Patchouli (Pogostemon cablin Benth) is a plant known to produce essential oils, and is also an important foreign exchange earner for Indonesia. However, the use of superior clones and appropriate fertilizers tend to drastically increase product yield. This research aims to obtain species with the best response to urea fertilizers, and the right dosage for optimum performance. The study was conducted at the Politeknik Negeri Lampung’s teaching farm from December 2018 to May 2019, using a factorial randomized block design (RBD). This consisted of two treatment factors, including the 2 level clone consisting of The NPL 9 and Lhokseumawe, and 4 level urea dose control at, 250 kg.ha-1, 300 kg.ha-1, and 350 kg.ha-1. Furthermore, variables observed included plant’s height, bough, diameter, number of leaves, stalk angle, chlorophyll content, wet weight of plant, wind dry weight of plant, and yield.  The results shows NPL 9 clone has a superior appearance and the urea value of 350 kg.ha-1  was attributed as the optimal dose, yielding a 2,3%  increase compared to the control treatment.
Co-Authors Fatahillah Fatahillah Jakty Kusuma Luluk Ayu Parida Retno Ayu Diah Pangestu