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H., Nunuk
Departemen Agroteknologi , Fakultas Pertanian, Universitas Islam Kadiri
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Efek Pengaplikasian Sitokinin Dan Paclobutrazol Terhadap Ukuran Rimpang Tanaman Kunyit (Curcuma Domestica Val.) Nur Fitriyah; Nunuk Helilusiatiningsih; Galih Adji
JURNAL ILMIAH AGRINECA Vol. 24 No. 2 (2024): JURNAL ILMIAH AGRINECA
Publisher : Fakultas Pertanian, Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/afp.v24i2.3810

Abstract

Since COVID-19, the demand for turmeric has continued to increase both domestically and for export opportunities. This encourages the continued development of turmeric cultivation. The use of growth regulators can be done to regulate plant growth patterns. This study aims to determine the effect of the application of cytokinin and paclobutrazole on the size of the rhizomes of turmeric plants (Curcuma domestica Val.). This study used a Randomized Group Design (RAK) with 2 treatment factors, which are : Factor I Cytokinin (S) consists of 3 kinds, namely S1: 0 mg/l water, S2: 10 mg/l water and S3: 20 mg/l water while, Factor II: Paclobutrazole (K) consists of 4 kinds, namely: P1: 0 g/l water, P2: 0.50 g/l water, P3: 0.75 g/l water, P4: 1 g/l water. Based on the results of the experiment, it shows that the application of ZPT Cytokinin (BAP) and Paclobutrazole on turmeric plants gives a real interaction effect on the observation of vegetative growth of plant height, while on the harvest observation variable only gives a real interaction effect on the observation of plant biomass and not real on the number of tubers and tuber weight. The concentration and time of application of cytokinin (BAP) and paclobutrazole will affect the nature of stimulation and inhibition of growth, the application of BAP at a concentration of 10-20 mg / l water can increase growth but if combined with paclobutrazole above 0.75 g / l water will actually have an inhibiting effect.
Antioxidant activity assay of Roselle (Hibiscus sabdariffa) seeds Ethanol extract with DPPH radical scavenging using UV-Vis Spectrophotometer Muhammad Alwi Syahara; Nunuk Helilusiatiningsih; Titik Irawati
Journal of Natural Sciences and Mathematics Research Vol. 10 No. 1 (2024): June
Publisher : Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jnsmr.v10i1.20515

Abstract

Hibiscus sabdariffa (Roselle) is known to have a strong antioxidant compound. Thus, the calyx becomes the most important area to research. Another part of this plant that was starting to be known for its benefits is rosella seeds. Roselle seeds are a source of fat-soluble antioxidants. The aim of this study was to investigate the antioxidant activity of Roselle Seed Ethanol Extract (RSEE) with the DPPH (1,1-Diphenyl-2 Picrylhidrazyl) radical scavenging method. This research begins by doing the extraction of Roselle seeds using ethanol (96%) as a solvent and then assessing the antioxidant activity (Radical Scavenging Activity/RSA) of the extract, which is compared with the ascorbic acid standard at several concentrations (5-200 ppm). Antioxidant activity was assessed with DPPH Radical Scavenging using UV-Vis spectrophotometer and IC50 value parameters. The results of this study were the absorbance of DPPH from spectrophotometer at 517 nm was 0,824 (purple color). The absorbance of RSEE and ascorbic acid at 5 ppm to 200 ppm, respectively 0.523-0.124 and 0.594-0.112. The antioxidant activity (RSA) of the RSEE and ascorbic acid, respectively was  57.93% and 59.24%. The IC50 value of RSEE was 30.158 μg/ml and as comparison is ascorbic acid, the IC50 value was 26.948 μg/ml. Thus, the antioxidant activity of roselle seeds ethanol extract (RSEE) belongs to a very strong category (<50 μg /ml). This is due to the presence of several phenolic compounds and unsaturated fatty acid derivatives.
RESPON HASIL KACANG TANAH (Arachis hypogaea L.) DENGAN APLIKASI KONSENTRASI POC DAN JARAK TANAM Adam Indra Nirwana; Nunuk Helilusiatiningsih; Eva Pebriana
Jurnal Agriovet Vol. 5 No. 1 (2022): JURNAL AGRIOVET
Publisher : LPPM UNIVERSITAS KAHURIPAN KEDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/agriovet.v5i1.766

Abstract

ABSTRAK Kacang tanah memiliki kandungan gizi diminati konsumen untuk berbagai olahan. Rumusan masalah di lokasi Nganjuk, mengalami penurunan produksi dan tersrang hama penyakit. Tujuan penelitian mempelajari respon perkembanhan dan hasil kacang tanan dengan aplikasi konsentrasi POC dan jarak tanam. Metode percobaan memakai Rancangan Acak Kelompok faktorial , dua faktor perlakuan. Faktor (I) konsentrasi POC Nasa 3 level (P), yaitu (40 , 60 , 80) ml/20L. Faktor (II) adalah jarak tanam 3 level, (J), ( 40 x 20, 40 x 30, 40 x 40 ) Cm. Hasil menunjukkan pada diameter batang terjadi interaksi antara perlakuan kombinasi P3J3 (80 ml/ 20L + 40cm x 40cm) dengan nilai rerata 4,29 mm. Konsentrasi POC Nasa 80 ml/ 20L air berpengaruh nyata pada jumlah polong /tanaman, 25,33, berat basah 40,50 gram. Jarak tanam 40cm x 40cm (J3) terjadi pengaruh nyata, terbaik pada tinggi : 27,38 cm, jumlah daun 13,44 helai, diameter batang 3,35 mm, berat basah per tanaman 39,87 gram. Kata kunci : POC Nasa, jarak tanam. Kacang tanah
Co-Authors A. Harijono Abu Talkah Adam Indra Nirwana Ajun Prayitno Aprilia Nur Fadila Ayu Annisa Belinda Adeana Dhayu Sadam Sunyoto Putro Diana Indra Atmanegara Dr.Ir. Yunianta, DEA Edy Soenyoto Endro Puji Astoko Ertika Fitri Lisnanti Eva Pebriana Eva Pebriana Eva Pebriana Fajar Rizki Sudibyo Fajar Setyawan Fristama Maulana Galih Adji Heru Setiyadi Hidayat Sujuti Idris, Ahmad Imam Habibi Imam Subkhi Indis, Nadhifah Al Irawati, Titik Karina Oktaviani Mochammad Saiful Anam Muhamad Alwi Shahara Muhammad Alwi Muhammad Alwi Syahara, Muhammad Alwi Nadiyah Nur Haliza Nastiti Winahyu Navita Maharani Nur Fitriyah Nur Fitriyah Pamuji Setyo Utama Pamuji SU Qumillaila Qumillaila Ribut Santosa Ribut Santosa Rindi Arrozaki Rizky Arief Shobirin Rofikatussholikhah Rofikatussholikhah Sandra Dwi Angesti SIMON BAMBANG WIDJANARKO Sumarji Supriyono Supriyono Tarwa Mustopa Titik Irawati Titik Irawati Titik Irawati Vifi Nurul Choirina