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Journal : Jurnal Biologi Tropis

Jicama Seed Response After Administering Auxiliary Hormones and Gibberellins Mulyanti; Dewi Yana; Lukman Martunis
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): January - March
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i1.4656

Abstract

Plant growth and development is influenced by hormones, which are chemical compounds that are synthesized in a part of the organs that are distributed to the organs, and play a special role at low doses or are slightly able to stimulate plant growth, development and metabolic processes. One of the plants that need growth regulators or hormones for growth and development is Jicama. The aim of the study was to see the response of jicama seeds after administration of auxin and gibberellin hormones. This study used a factorial Randomized Block Design (RBD), namely the first factor of the Auxin hormone with levels A0 = 0 ml, A1 = 1 ml, A2 = 2 ml. The second factor is the Gibberellin hormone with a level of G0 = 0 ml, G1 = 1 ml, G2 = 2 ml. All treatments were repeated 5 (five) times to obtain 45 experimental units. The results of the study showed that the auxiliary hormone and gibberellins and the combination of the two hormones had a very significant effect on live sprouts and shoot height.
The Effect of Vegetable Waste Compost on The Growth of Robusta Coffee Seeds (Coffea canephora) Mulyanti Mulyanti; Lukman Martunis; Ade Zahara
Jurnal Biologi Tropis Vol. 23 No. 3 (2023): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i3.5195

Abstract

Vegetable compost is an organic fertilizer derived from vegetable waste which can be used as a source of nutrients for plants.  This study aims to determine the effect of vegetable waste compost on the growth of robusta coffee seedlings. This study used a non-factorial completely randomized design with 6 treatments and 4 replications to obtain 24 experimental units. The treatment given was a dose of vegetable waste compost consisting of 6 levels, namely: K0 = without adding vegetable waste compost K1 = 100 gram dose of vegetable waste compost, K2 = 200 gram dose of vegetable waste compost, K3 = 300 gram dose of vegetable waste compost, K4 = 400 gram dose of vegetable waste compost, K5 = 500 gram dose of vegetable waste compost. The results showed that the application of vegetable waste compost with different doses had a very significant effect on the parameters of seedling height, number of leaves and stem diameter of robusta coffee plant seedlings. The best treatment was obtained in the K5 treatment, namely 50 grams/plant of vegetable waste compost.