Zainuddin Basri
Faculty Of Agriculture, Tadulako University, Indonesia, Indonesia

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Journal : Mitra Sains

Strategi Peningkatan Kualitas Bibit Cengkeh Melalui Inovasi Ukuran Benih Dan Media Tanam Tuti Handayani Arifin; Zainuddin Basri; Maemunah Maemunah
Mitra Sains Vol 8 No 2 (2020): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v8i2.297

Abstract

This study aimed to determine the effect of different seed sizes and planting media on the growth of clove seedlings. This research was conducted in the experimental station of the Faculty of Agriculture, Tadulako University from January to July 2019. This research was in the form of field trials and was designed with a split plot design with the main plot being the type of planting media consisting of 1) sawdust, 2) compost and 3) cocopeat. The subplots consist of large, medium, and small seeds. There were nine treatment combinations and each combination was repeated three times so that in total there were 27 experimental units. The results showed that there was an interaction effects between seed size and type of planting media. The best seed size treatment is found in large seed sizes. Sawdust media produces plant height, number of leaves aged 2,4,6 MST, stem diameter and wet weight of plants aged 8 MST higher than other planting media.
Pengaruh Pemberian Giberelin dan Berbagai Media Tanam Terhadap Perkecambahan dan Pertumbuhan Benih Pala (Myristica fragrans Houtt) Arianto Arianto; Zainuddin Basri; Imam Wahyudi
Mitra Sains Vol 6 No 1 (2018): Januari
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v6i1.303

Abstract

The aims of this experiment were to obtain a suitable combination of planting medium and gibberelline concentration for the germination and growth of nutmeg seeds; to obtain a suitable planting medium as well as gibberelline concentration for the germination and growth of nutmeg seeds. This experiment used Split Plot Design and was arranged in Completely Randomized Design. Two factors were tested, namely concentration of gibberelline and the type of planting media. Concentration of gibberelline was ploted as main plot, with three concentrations tested, namely 200 ppm, 250 ppm and 300 ppm. The types of planting media were ploted as subplot with three types of planting media tested, namely sand, coco peat and sawing peat. Therefore, there were nine treatment combinations which each treatment combination was repeated three times. Data was analysed by using analysis of variance and followed by HSD at 5%. Results of this experiment indicated that nutmeg seeds soaked into gibberelline solution and germinated in coco peat medium produced more root numbers and higher normal germination dry weight; and the highest number of roots as well as the highest normal germination dry weight were obtained when seeds were soaked into 250 ppm gibberelline and germinated in coco peat medium. The number of roots and dry weight of normal germination on such treatment combination were 10.67 roots and 2.01 g per germinating seed. Coco peat medium was better for the germination and growth of nutmeg seeds as indicated with the highest germination rate, growth rate, length of plumula, length of roots, total length of roots as well as the ratio of plumula length and root length. The soaking of seeds into gibberelline had a relatively similar effect on the germination and growth of nutmeg seeds, except if the seeds were soaked into 250 ppm gibberelline and germinated in coco peat medium which produced the highest number of roots and the highest normal germination dry wieght.
The Growth of Seed Derived Onion on Various Strenght of MS Medium and BAP (Benzyl Amino Purine) Concentrations W. Munandar, Eka Handayani; Basri, Zainuddin; Maemunah, Maemunah
Mitra Sains Vol 9 No 1 (2021): Maret
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v9i1.43

Abstract

The growth of explant in culture media is affected by a number of factors, including the strength of basal media and the concentration of plant growth regulators added into culture media. Experiments were conducted in two steps; the aim of the first experiment was to obtain a suitable strength of MS medium for the growth of onion seeds and the aim of the second experiment was to obtain an appropriate BAP concentration for each strength of MS medium for the growth of seed derived onion shoots. The first experiment was designed in Completely Randomized Design (CRD) with one factor, with treatment tested namely the strength of MS medium in two levels, eg. a half strength of MS medium and full strength of MS medium. The second experiment was also designed in CRD with factorial pattern; treatments tested were the strength of MS medium as the first factor consisted of two levels, namely a half strength of MS medium and full strength of MS medium; and the concentration of BAP as the second factor which consisted of four levels, namely 1 mg/l, 2 mg/l, 3 mg/l and 4 mg/l BAP. Results of these experiments showed that a half strength of MS medium was suitable for the growth of onion seeds which was indicated by the percentage of seed germination upto 100% and the formation of leaves tended to be more intensive. Culture medium supplemented with 4 mg/l BAP was appropriate for the growth of seed derived onion shoots which was reflected by the formation of intensive leaves and roots, in average 2.58 leaves per exsplant and 8.75 root hairs per exsplant, respectively.