Characteristics of Mahogany Stomata (Swietenia macrophylla K.) in Polluted Environments

M, Des; Vauzia,; Gusti, Y. S.

doi:10.2991/absr.k.200807.009

Cited by 6 publications

(10 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Raven et al (2011) explained that mostly the number of stomata was found on the leaf abaxial surface as a mechanism for adaptation of trees to environments with high temperatures to reduce overtranspiration. Des et al (2020) confirmed the presence of Mahogany leaf stomata which were only on the leaf abaxial side. Alege & Shaibu (2015) also confirmed that the stomata of Flamboyant (Delonix regia) as well as other members of Fabaceae such as Parkia biglobosa, Senna siamea (Johar), Daniella oliveriand, and Caesalpinia pulcherrima were only found on the abaxial surface.…”

Section: Total Of Individuals 138mentioning

confidence: 54%

“…The observed parameters were distribution, type, length and width of stomata, length and width of pores, number of stomata, and density of stomata, which were observed in the wide field of view (400x magnification). Determination of stomatal density was calculated by formula (1) from Willmer (1983) in Des et al (2020).…”

Section: Methodsmentioning

confidence: 99%

“…This study just focused on the shade trees and its stomata characteristics related to the ecological functions. The studies of stomata characteristics were also carried out, but they are limited to a few plant species (Des et al, 2020(Des et al, , 2021Kamaluddin et al, 2020). Therefore, the study aimed to inventory species and analyze the characteristics of stomata of shade trees at UIN Walisongo Semarang.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Inventory of species and analysis of stomata characteristics of shade trees at UIN Walisongo Semarang

Khasanah

Na'ima

2022

J. Edubiotik

View full text Add to dashboard Cite

The presence of shade trees has ecological function to reduce air pollution level. The part of leaves, stomata is responsible for the function. The study aimed to inventory species and analyze the characteristics of leaf stomata of shade trees at UIN Walisongo Semarang. This exploratory research was conducted in September-October 2021. Observation method throughout the campus area was carried out by using observation sheet. Some representative books and articles were used as references. For stomata observation, leaf samples were taken by purposive sampling. Paradermal preparations were made by wholemount method. All data were analyzed descriptively. The results showed that there were about 17 families, 37 species and 712 individual species of shade trees growing on campus 2-3. Then, there were about 8 families, 8 species and 138 individual species of shade trees growing on campus 1. The highest number of trees in both location was Glodogan Tiang. There were about 7 families, 7 species, and 194 individual species of shade trees recently planted on campus 2-3. Stomata characteristics (type, distribution, length and width, pore length and width, number, and density) differed in each species. The largest stomata size and pore were found in in abaxial leaves of Nyamplung whereas the highest stomata density was found in abaxial leaves of Mahagony. Pore size and density of stomata were related to the ability of leaves to reduce air pollution level. The shade tree data obtained in this study showed plant diversity in the campus.

show abstract

Section: Total Of Individuals 138mentioning

confidence: 54%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Inventory of species and analysis of stomata characteristics of shade trees at UIN Walisongo Semarang

Khasanah

Na'ima

2022

J. Edubiotik

View full text Add to dashboard Cite

show abstract

“…Upaya penyembuhan penyakit karena infeksi yang diakibatkan oleh E. coli diperlukan suatu obat yang mempunyai efek samping kecil, namun daya kerja optimal.2 Antibiotik sudah banyak digunakan terutama dalam menghambat mikroorganisme yang berhubungan dengan infeksi (3,4). Penelitian Kibret dkk, melaporkan bahwa E. coli memiliki tingkat resistensi yang tinggi terhadap eritromisin (89,4%),amoksisilin (86,0%), tetrasiklin (72,6%), gentamisin (58%), betalaktam (35,5%) (5). [1] Resistensi antibiotik dikaitkan dengan penggunaan berlebihan dan penyalahgunaan obat-obatan dan peresepan secara tidak rasional, serta kurangnya pengembangan obat baru oleh industri farmasi (6).…”

Section: Aunclassified

Aktivitas Antibakteri Secara In Vitro Ekstrak Metanol Biji Mahoni terhadap Escherichia Coli

Nurramadhani¹,

Abdullah

Maharani

2023

BCSMS

View full text Add to dashboard Cite

Abstract. Escherichia coli is a gram-negative bacilli one of the causative agent of gastrointestinal infections. The decrease of the sensitivity of E.coli to antibiotics has led to the need for alternatives in treatment, including the use of mahogany seeds (Swietenia mahagoni) which are one of the traditional plants that contain flavonoids, alkaloids that antimicrobials. The purpose of this study was to determine the effect of methanol extract of mahogany seeds on the activity of E.coli bacteria. This research is an in vitro laboratory experiment using the well method with six group that is four groups of mahagony seeds methanol extract with concentration of 100%, 75%, 50%, 25% group, gentamicin as the positive control and aquadest as the negative control. The samples were incubated in an incubator at 37°C for 24 hours. The inhibition zone was measured. In this study, there was no average inhibition zone of the methanol extract of mahogany seeds at various concentrations, the positive control was 27.9 mm. It can be concluded that the methanol extract of mahogany seeds is not effective as an antibacterial with low inhibition (resistant). The results of low inhibition might owed to the extraction method, the solvent used, the concentration of the extract which is not large enough, the ecological factors where the plant grows Abstrak. Escherichia coli adalah bakteri basil gram negatif salah satu agen penyebab infeksi gastrointestinal. Terjadinya penurunan persentase kepekaan E.coli terhadap antibiotik menyebabkan perlu adanya alternatif dalam pengobatan, diantaranya melalui pemanfaatan biji mahoni (Swietenia mahagoni) sebagai salah satu tanaman tradisional yang memiliki kandungan flavonoid, alkaloid yang berfungsi sebagai antimikroba. Tujuan penelitian ini adalah untuk mengetahui efek ekstrak metanol biji mahoni terhadap aktivitas bakteri E.coli. Penelitian ini bersifat eksperimental laboratorium secara in vitro menggunakan metode sumuran terdiri dari 6 kelompok perlakuan. Masing-masing kelompok berisi koloni bakteri diberi lubang sumuran yang diinjeksi ekstrak metanol biji mahoni dengan konsentrasi 100%, 75%, 50%, 25%, gentamisin sebagai kontrol positif dan aquadest sebagai kontrol negatif. Sampel diinkubasi dalam suhu 37ºC selama 24 jam. Kemudian dilakukan pengukuran zona hambat. Hasil penelitian ini tidak ditemukan rata-rata zona hambat dari kelompok esktrak metanol biji mahoni pada berbagai konsentrasi, namun pada kontrol positif terdapat zona hambat sebesar 27,9 mm. Berdasarkan hasil yang ditemukan, dapat disimpulkan bahwa ekstrak metanol biji mahoni metode sumuran belum efektif sebagai antibakteri. Hasil daya hambat yang rendah dapat dikarenakan metode ekstraksi, pelarut yang digunakan, konsentrasi ekstrak yang kurang besar, faktor ekologi tempat pertumbuhan tanaman

show abstract

“…The University of Sumatera Utara (USU) campus, as one of the universities green space in Medan, provides an open open space with various vegetation to serve out its function as a microclimate controller and provide clean air for the surrounding community. Cities, industry, and transportation all became major contributors to urban air pollution [7]. As urban air pollution increases, green open spaces become increasingly important because they can reduce air pollution by absorbing various pollutants [8].…”

Section: Introductionmentioning

confidence: 99%

Foliar stomata characteristic of fabaceae family in University of Sumatera Utara (USU) green space

Susilowati

Ginting

Kaban

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

The existence of green open space becomes important along with the decline in environmental quality. The University of Sumatera Utara (USU) campus, as one of the city’s green open spaces, is expected to be able to minimize negative impacts of increasing levels of pollution. For this reason, it is necessary to select tree species to maximize the function of green open spaces. The purpose of this research was to identify the Fabaceae family’s stomata characteristics, which included the type, length, thickness, and its density. To determine stomata characteristics, the epidermal layer of the leaves was perforated using nail polish. The results showed that all of observed trees had paracytic stomata with a random distribution pattern. The longest stomata was found in Erythrina crista that reached 20.15 μm in length, while the shortest stomata was found in Intsia bijuga and reached 12.36 μm in length. Tamarindus indica had the widest stomata, reaching 2.59 μm in width, while Pithecellobium dulce variegate have had smallest, at 7.74 μm in width. Peltophorum pterocarpum had the highest density at 718.68μm, while Leucaena leucocephala have had lowest density at 94/ μm2.

show abstract

Characteristics of Mahogany Stomata (Swietenia macrophylla K.) in Polluted Environments

Cited by 6 publications

References 3 publications

Inventory of species and analysis of stomata characteristics of shade trees at UIN Walisongo Semarang

Inventory of species and analysis of stomata characteristics of shade trees at UIN Walisongo Semarang

Aktivitas Antibakteri Secara In Vitro Ekstrak Metanol Biji Mahoni terhadap Escherichia Coli

Foliar stomata characteristic of fabaceae family in University of Sumatera Utara (USU) green space

Contact Info

Product

Resources

About