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N Noerfitryani
Universitas Muhammadiyah Makassar
Agriculture, Biological Sciences & Forestry

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Potensi Cendawan Endofit Padi Lokal Sulawesi Selatan Sebagai Penghasil Siderefor S Syamsia; Abubakar Idhan; Amanda Patappari Firmansyah; N Noerfitryani
JURNAL GALUNG TROPIKA Vol 9 No 2 (2020)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v9i2.659

Abstract

Siderophore is an iron-chelating agent produced by plants and microorganisms under iron deficiency conditions. One of the microorganisms that ability produce siderophore is a fungus. This study aimed to determine the potential of endophytic fungi in creating siderophore. The ability of fungi to produce siderophore, especially Salicylate and Catechol using Potato Dextrose Broth (PDB) liquid media and Hathway Reagent. Eight isolates of endophytic fungi from local rice South Sulawesi have tested their ability to produce siderophore. Eight isolates of endophytic fungi before being tested were rejuvenated by growing on Potato Dextrose Agar (PDA) medium for seven days. Each isolate was grown on a PDB medium before being tested. The absorbance is measured using a spectrophotometer at a wavelength of 560 nm with Na. Salicylate 700 nm with 2.3 DHBA as standard. The results showed that the isolates of E4 and E8 had the capability to produce siderophores. The results provide the latest information regarding endophytic fungi' potential from local rice in South Sulawesi as a siderophore producer.
Keanekaragaman dan Kelimpahan Predator pada Taman Maccini Sombala Makassar dan Ekosistem Persawahan Kiru-Kiru Kabupaten Barru N Noerfitryani; Irma Hakim; Andi Rahayu Anwar; S Syamsia; M. Yahya
JURNAL GALUNG TROPIKA Vol 10 No 3 (2021)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v10i3.846

Abstract

The existence of predatory insects is essential to know because they have contributed significantly to an ecosystem. This study aimed to determine the abundance and diversity of predators in Maccini Sombala Park, Makassar, and the paddy field in Kiru-Kiru Sub-District, Barru Regency, South Sulawesi. The selection of the two locations was carried out based on the ecosystem conditions in each place, Maccini Sombala Park is a city park in which there are various types of plants that are habitat for insects including predatory insects, as well as in the paddy field ecosystem in Kiru-Kiru Sub-District, based on the results of the observation in the field, in that ecosystem there were symptoms of pest attack such as stem borers and several other types of insects including insects predator on rice plant. This study was conducted by direct observations of purposive sampling and insects sampling using sweep net traps. The highest relative abundance value of natural enemies was found in the family Araneidae 37% in Maccini Sombala Park, and the lowest relative abundance of the family Coccinellidae was 2.3%. The highest relative abundance value of natural enemies in the paddy field of Kiru-Kiru Sub-District was found in the family Coccinellidae 54.3%, and the lowest relative abundance of the family Formicidae was 2.5%. The diversity index values of predators in both places as moderate diversity category, and the evenness index values of the two ecosystems showed that high evenness.
Keanekaragaman dan Kelimpahan Predator pada Taman Maccini Sombala Makassar dan Ekosistem Persawahan Kiru-Kiru Kabupaten Barru N Noerfitryani; Irma Hakim; Andi Rahayu Anwar; S Syamsia; M. Yahya
JURNAL GALUNG TROPIKA Vol 10 No 3 (2021)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v10i3.846

Abstract

The existence of predatory insects is essential to know because they have contributed significantly to an ecosystem. This study aimed to determine the abundance and diversity of predators in Maccini Sombala Park, Makassar, and the paddy field in Kiru-Kiru Sub-District, Barru Regency, South Sulawesi. The selection of the two locations was carried out based on the ecosystem conditions in each place, Maccini Sombala Park is a city park in which there are various types of plants that are habitat for insects including predatory insects, as well as in the paddy field ecosystem in Kiru-Kiru Sub-District, based on the results of the observation in the field, in that ecosystem there were symptoms of pest attack such as stem borers and several other types of insects including insects predator on rice plant. This study was conducted by direct observations of purposive sampling and insects sampling using sweep net traps. The highest relative abundance value of natural enemies was found in the family Araneidae 37% in Maccini Sombala Park, and the lowest relative abundance of the family Coccinellidae was 2.3%. The highest relative abundance value of natural enemies in the paddy field of Kiru-Kiru Sub-District was found in the family Coccinellidae 54.3%, and the lowest relative abundance of the family Formicidae was 2.5%. The diversity index values of predators in both places as moderate diversity category, and the evenness index values of the two ecosystems showed that high evenness.
INTENSITAS SERANGAN HAMA ULAT GRAYAK SPODOPTERA FRUGIPERDA PADA TANAMAN JAGUNG DI KABUPATEN TAKALAR N Noerfitryani; Andi Rahayu Anwar; H Hamzah; S Syamsia; S Sampara
JURNAL GALUNG TROPIKA Vol 12 No 1 (2023)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v12i1.1067

Abstract

Spodoptera frugiperda is an invasive insect and includes a highly polyphagous insect that can attack various types of plants. Armyworm attacks can be a severe threat to corn farmers. It can cause significant yield loss. This study aims to determine the attack intensity and distribution of the S. frugiperda armyworm in several sub-districts on several varieties of maize in Takalar Regency, South Sulawesi, as the first step in determining an appropriate control strategy. The results showed that from the five sub-districts where the observations were made, there were symptoms of S. frugiperda attack, namely in the sub-districts of South Polongbangkeng, North Polongbangkeng, Sanrobone, South Galesong, and Pattallassang. The highest attack intensity was around 97.33% of 4 weeks in Pallantikang Village, Pattallassang District. The lowest attack intensity, namely 46.44% of 3 weeks, was found in Kadatong Village, South Galesong District.
Co-Authors Abubakar Idhan, Abubakar Amanda Patappari Firmansyah Andi Rahayu Anwar H Hamzah Irma Hakim M. Yahya S Sampara S Syamsia