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In Vitro Proliferation Of Porang Shoots (Amorphophallus muelleri Blume) In Several Combinations Of Bap And Tdz Hamiranti, Rahmadyah; Erfa, Lisa; Prajaka, Nanang Wahyu; Maulida, Desi; Yuriansyah, Yuriansyah
Jurnal Penelitian Pertanian Terapan Vol 25 No 3 (2025)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v25i3.4633

Abstract

Tissue culture can be used as an alternative technique that can be used to multiply porang seeds to meet the need for seeds in porang development. This study aims to determine the proliferation response of porang in various types and concentrations of BAP or TDZ. The experiment was carried out using a randomized block design (RAK). The treatments tried in the shoot proliferation experiment were P1 (MS 0), P2 (BAP 0.5 mg.l-1), P3 (BAP 1 mg.l-1), P4 (TDZ 0.5 mg.l-1) and P5 (TDZ 1 mg.l-1). Each treatment was tried with 5 replications, and each treatment per replication was planted with 5 bottles. Data were analyzed by Analysis of Variance, and differences between treatments were seen by the LSD test at the 5% level. The use of MS 0 and BAP 1 mg.l-1 gave better results compared to other treatments. The use of MS 0 and BAP 1 mg.l-1 resulted in 100% shoot growth on porang propagules. MS 0 and BAP 1 mg.l-1 produced the highest number of shoots (17.8 and 17.4) and the highest shoot height (3.52 and 2.50) compared to the other three treatments.
PERTUMBUHAN DAN HASIL TANAMAN JAGUNG MANIS (Zea mays L. Saccarata Sturt) VARIETAS EXOTIC PADA BERBAGAI METODE OLAH TANAH KONSERVASI Harthane, Gusti Ketut; Dulbari, Dulbari; Yuriansyah, Yuriansyah; Sudrajat, Denny
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.11377

Abstract

This study aimed to evaluate the effects of various conservation tillage methods on the growth and yield of sweet corn (Zea mays saccharata Sturt) of the Exotic variety. The research was conducted at the experimental field of the State Polytechnic of Lampung from September to December 2023, using a Randomized Complete Block Design (RCBD) with nine treatment combinations of chemical fertilizer, organic fertilizer, mulch, and tillage, each replicated three times. The observed parameters included plant height, number of leaves, leaf greenness, cob length and diameter, and cob weight. Statistical analysis showed that all treatments had no significant effect on the observed parameters (p > 0.05). However, descriptively, mulch-based treatments and combinations with chemical fertilizers showed positive trends in growth and yield. Treatment P7 (mulch) resulted in the highest plant height and cob weight, while P1 (chemical fertilizer + tillage) tended to produce the largest cob diameter and highest number of leaves. The use of mulch from edamame residue was proven to help retain soil moisture and improve nutrient uptake efficiency. These findings indicate that conservation tillage systems utilizing mulch and crop rotation can be a sustainable cultivation strategy to enhance sweet corn productivity.
Co-Authors Ahyuni, Destieka Aslikah, Binti Denny Sudrajat Desi Maulida Dulbari, Dulbari Dwi Putri, Anna Evi Yunita Sari, Evi Yunita Ferziana Ferziana, Ferziana Harthane, Gusti Ketut Hidayat Saputra, Hidayat Irpawa, Dea Musytari Intan Lisa Erfa Lisa Erfa Maesaroh, Binti Mutaqin, Zainal Prajaka, Nanang Wahyu Priyadi Priyadi Pujiana, Tri Rahmadi, Rizky Rahmadyah Hamiranti Rizka Novi Sesanti Rizka Novi Sesanti Rochman, Fajar Safitri, Betari SEPTIANA SEPTIANA subarjo, Subarjo Tamaulina Br Sembiring Tyas, Anggun Shintya Ning Wulandari, Aprilia Harma Yeni Yeni