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Paraphalaenopsis laycockii (M. R. Henderson) A. D. Hawkes: TINJAUAN TERHADAP MORFOLOGI TANAMAN DAN ANATOMI DAUN Yulia, Nina Dwi; Juliarni, Juliarni
Buletin Kebun Raya Vol 10, No 2 (2007): Buletin Kebun Raya Vol. 10 (2) Juli 2007
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

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Porophaloenopsis laycockii is an epiphytic orchid, endemic to Borneo. The orchid is not widely known since this orchid is rare and the trade of this species is restricted by the law. An observation was made to provide information on plant morphology and leaf anatomy of the species. Among various characters recorded, it was noted that the pencil-or-rat-tail-like leaf is about 5.66 mm in diameter and up to 1 m in length. It has relatively large stomata measuring 66.8 x 57.3 pm with low stomata density of 16.3 stomata per mmÂ° of leaf surface area. These characters may influence its water management so that the plant should be grown and maintained in shade for better establishment.

Paraphalaenopsis laycockii (M. R. Henderson) A. D. Hawkes: TINJAUAN TERHADAP MORFOLOGI TANAMAN DAN ANATOMI DAUN Yulia, Nina Dwi; Juliarni, Juliarni
Buletin Kebun Raya Vol 10, No 2 (2007): Buletin Kebun Raya Indonesia Vol. 10 (2) July 2007
Publisher : Center for Plant Conservation Bogor Botanic Garden, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar

Porophaloenopsis laycockii is an epiphytic orchid, endemic to Borneo. The orchid is not widely known since this orchid is rare and the trade of this species is restricted by the law. An observation was made to provide information on plant morphology and leaf anatomy of the species. Among various characters recorded, it was noted that the pencil-or-rat-tail-like leaf is about 5.66 mm in diameter and up to 1 m in length. It has relatively large stomata measuring 66.8 x 57.3 pm with low stomata density of 16.3 stomata per mmÂ° of leaf surface area. These characters may influence its water management so that the plant should be grown and maintained in shade for better establishment.

Struktur Anatomi Daun Artemisia cina Berg. Ex Poljakov Hasil Kultur Jaringan Ermayanti, Tri Muji; Juliarni, Juliarni; Andry, Yuli
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 9, No 3 (2004): October 2004
Publisher : Universitas Atma Jaya Yogyakarta

This study was conducted to investigate the anatomical structure of leaves of Artemisia cina Berg. ex Poljakov due to variances in leaf morphology during grown in vitro. Shaking of culture, position of stem nodes used as explants and concentration of BAP (Benzyl Amino Purin) added to the culture medium were the factors investigated in this study. There was variation in leaves morphology of culture, however this variation did not occur after aclimatization and plant grown in the greenhouse. BAP decreased the level of chlorophyll content of leaves. In general, anatomical characters of leaves were not influenced by shaking, nodes position of stem and level of BAP.

Videoscribe as a Media to Improving Arabic Listening Skills to Students Juliarni, Juliarni; Hasmawati, Hasmawati; Syaputra, Arlian Fachrul
INSIGHT: Indonesian Journal Social Studies and Humanities Vol 5, No 1 (2025): INSIGHT: Indonesian Journal Social Studies and Humanities
Publisher : INSIGHT: Indonesian Journal Social Studies and Humanities

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/.v5i1.81083

Abstract. This research is a classroom action research (CAR) which aims to explain the planning, teacher and student activities, and improving students' Arabic listening skills by using videoscribe learning media.The subjects of this study are 24 students in class VIID MTs DDI Cambalagi Maros. The data collection techniques in this study are observation and test. This research was carried out in two cycles and each cycle consisted of two meetings. The results of the study showed that there was an increase in students' listening ability by 10% from cycle I to cycle II. These results show that videoscribe learning media can be applied in improving students' Arabic listening skills Keywords: Listening, Arabic, videoscribe media

INVENTARISASI HAMA TANAMAN LENGKENG (Dimocarpus longan Lour.) DI DESA PETAPAHAN, KECAMATAN TAPUNG, KABUPATEN KAMPAR Juliarni, Juliarni; Wirawan, Purnama; ua, Maruli; Kurniawan, Riansyah; Iznih Sinaga Bonor , Nabila
Agriculture Vol. 20 No. 2 (2025): Jurnal Agriculture
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/agrotek.v20i2.9575

The cultivation of longan in Indonesia holds strong potential due to high consumer demand, favorable environmental conditions, and the availability of varieties well adapted to the local climate. However, pest attacks remain a major constraint, often reducing both the quantity and quality of fruit production. This study aimed to inventory the pest species associated with longan cultivation. The research was conducted through field surveys, with sampling locations determined using a purposive random sampling method. Insect specimens were collected directly by hand and preserved in vials containing 75% alcohol. The specimens were then examined under a microscope and documented. Observed parameters included the diversity index, evenness index, and dominance index, with data analyzed descriptively. The results showed that the primary pest attacks targeted the leaves and flowers of longan plants. A total of eight pest species belonging to two families—Scarabaeidae and Coreidae—were recorded. The pest diversity index (H’) was categorized as moderate (1.8), the evenness index (E) was high (0.9), and the dominance index (C) was low (0.2).

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