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All Journal Jurnal Hortikultura Indonesia (JHI) Jurnal Biologi dan Pembelajarannya (JBP) REINWARDTIA Reinwardtia
Dian Latifah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Health Professions Immunology & microbiology

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Perkecambahan Biji Dictyoneura acuminata Blume. pada Cahaya Merah dan Merah Jauh Fitri Fatma Wardani; Dian Latifah
Jurnal Hortikultura Indonesia Vol. 7 No. 1 (2016): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.81 KB) | DOI: 10.29244/jhi.7.1.49-55

Abstract

ABSTRACTDictyoneura acuminata Blume is one of species from Sapindaceae which is native to Borneo (Sabah, South Kalimantan, East Kalimantan), the Philippines, Sulawesi, Maluku and Papua New Guinea. Economically, D. acuminata is usually used as an ornamental plant because it has attractive leaves and flowers. D. acuminata propagation can be done by using seed but information on seeds and their germination is still limited. The aim of this study was to determine the pattern ofgermination and the effect of red and far red light on D. acuminata germination. The experimental design was completely randomized design with one factor and 5 levels. The factors was light with red light, far red light, dark, greenhouse control, and laboratory controls as levels. Each level was repeated 4 times with 10 seeds in each experimental unit. Data showed that far red light causes the seeds germinate 10 days faster than seeds germinated in the greenhouse. D. acuminata seedlingheight was affected by light. The seedling could grow higher when the light intensity decreased, a process called etiolation.Keywords: Dictyoneura acuminata Blume, germination, lightABSTRAKDictyoneura acuminata Blume adalah salah satu spesies dalam famili Sapindaceae yang merupakan tanaman asli Borneo (Sabah, Kalimantan Selatan, Kalimantan Timur), Filipina, Sulawesi, Maluku dan Papua Nugini. Secara ekonomi, D. acuminata biasanya dimanfaatkan sebagai tanaman hias karena memiliki daun dan bunga yang menarik. Perbanyakan D. acuminata dapat dilakukan dengan menggunakan biji tetapi informasi mengenai biji dan perkecambahannya masih terbatas. Tujuan penelitian ini ialah mengetahui pola perkecambahan dan pengaruh cahaya merah dan merah jauh terhadap perkecambahan biji D. acuminata. Rancangan percobaan yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan satu faktor dan 5 taraf. Faktor yang digunakan yaitu cahaya dengan cahaya merah, cahaya merah jauh, gelap, kontrol rumah kaca, dan kontrol laboratorium sebagai tarafnya. Setiap taraf diulang sebanyak 4 kali dengan 10 biji pada setiap satuan percobaan. Hasil pengamatan menunjukkan bahwa cahaya merah jauh menyebabkan biji berkecambah lebih cepat 10 hari dibandingkan dengan biji yang dikecambahkan di rumah kaca. Tinggi kecambah D. acuminata dipengaruhi oleh perlakuan cahaya yaitu semakin sedikit intensitas cahaya semakin panjang tinggi kecambah, suatu proses yang disebut etiolasi.Kata kunci: cahaya, Dicyoneura acuminata Blume, perkecambahan
GROWTH RESPONSES OF PALM SEEDLINGS TO DIFFERENT LIGHT INTENSITIES STIMULATING CANOPY GAPS WITH AN ECOPHYSIOLOGICAL APPROACH DIAN LATIFAH; ROBERT A. CONGDON; JOSEPH A. HOLTUM
REINWARDTIA Vol 15, No 2 (2016): Vol.15 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i2.2942

Abstract

LATIFAH, D., CONGDON, R. A. & HOLTUM, J. A. 2016. Growth responses of palm seedlings to different light intensities stimulating canopy gaps with an ecophysiological approach. Reinwardtia 15(2): 81 – 98. — Palms (Arecaceae) mainly grow in rainforests and many occur in disturbed areas like canopy gaps created by natural disturbances such as cyclones in Australia. Knowledge of seedling growth in different light intensities is essential to assist rainforest restoration in disturbed or marginal lands. The aim of this research was to investigate the effects of different light intensities on the seedling growth of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., C. moti F. M. Bailey, Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi (F. Muell.) H. Wendl. & Drude. Seedling growth experiments (pot trials) were conducted in a glass house using shade cloth providing four different levels of shading: 59, 29, 17 and 6% sunlight. The growth rate, leaf turnover, leaf area, total chlorophyll, chlorophyll a:b ratio, vigor, above-ground and below-ground biomass and growth indices (LAR, SLA and LWR) of palm seedlings were measured. As a result of these measurements the relative shade tolerance of the five species was determined. The seedlings of Arenga australasica were classified as intermediate-shade intolerant species. Hydriastele wendlandiana seedlings were shade-intolerant. Calamus australis and C. moti seedlings are intermediate-shade intolerant. Licuala ramsayi seedlings were found to be a shade-tolerant.
REGENERATION STRATEGIES OF PALMS (ARECACEAE) IN RESPONSE TO CYCLONIC DISTURBANCES DIAN LATIFAH; ROBERT A. CONGDON; JOSEPH A. HOLTUM
REINWARDTIA Vol 15, No 1 (2016): Vol.15 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i1.2442

Abstract

LATIFAH, D., CONGDON, R. A. & HOLTUM, J. A. 2016. Regeneration strategies of palms (Arecaceae) in response to cyclonic disturbances. Reinwardtia 15 (1): 43 ? 59. — Tropical cyclones may act as important ecological drivers in northern Australia including north Queensland, as several cyclones impact this region each year between November and May. Extensive research has been conducted to investigate how regeneration of rainforest plant communities respond to frequent cyclonic disturbances. However, there have been few such studies on palms although they are important components of many rainforests. This research aimed to investigate the effects of canopy gaps following cyclonic disturbance (case study: Cyclone Larry) on  regeneration of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., C. moti F. M. Bailey, Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi var. ramsayi (F. Muell.) H. Wendl. & Drude. The field research was carried out at five sites in three areas located in northern Queensland: Tam O’Shanter/Djiru National Park, Clump Mountain National Park and Kurrimine Beach Conservation Park. Observations were made of recruitment, growth rate, leaf turnover and life history. We found that responses of palm regeneration following cyclonic disturbance varied among study sites; however, the recruitment of several species was favoured in gaps created by cyclones. The results also provide information on the various stages in the life cycle of the study palms.
GROWTH RESPONSES OF PALM SEEDLINGS TO DIFFERENT LIGHT INTENSITIES STIMULATING CANOPY GAPS WITH AN ECOPHYSIOLOGICAL APPROACH DIAN LATIFAH; ROBERT A. CONGDON; JOSEPH A. HOLTUM
REINWARDTIA Vol 15, No 2 (2016): Vol.15 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/reinwardtia.2016.2942

Abstract

LATIFAH, D., CONGDON, R. A. & HOLTUM, J. A. 2016. Growth responses of palm seedlings to different light intensities stimulating canopy gaps with an ecophysiological approach. Reinwardtia 15(2): 81 – 98. — Palms (Arecaceae) mainly grow in rainforests and many occur in disturbed areas like canopy gaps created by natural disturbances such as cyclones in Australia. Knowledge of seedling growth in different light intensities is essential to assist rainforest restoration in disturbed or marginal lands. The aim of this research was to investigate the effects of different light intensities on the seedling growth of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., C. moti F. M. Bailey, Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi (F. Muell.) H. Wendl. & Drude. Seedling growth experiments (pot trials) were conducted in a glass house using shade cloth providing four different levels of shading: 59, 29, 17 and 6% sunlight. The growth rate, leaf turnover, leaf area, total chlorophyll, chlorophyll a:b ratio, vigor, above-ground and below-ground biomass and growth indices (LAR, SLA and LWR) of palm seedlings were measured. As a result of these measurements the relative shade tolerance of the five species was determined. The seedlings of Arenga australasica were classified as intermediate-shade intolerant species. Hydriastele wendlandiana seedlings were shade-intolerant. Calamus australis and C. moti seedlings are intermediate-shade intolerant. Licuala ramsayi seedlings were found to be a shade-tolerant.
REGENERATION STRATEGIES OF PALMS (ARECACEAE) IN RESPONSE TO CYCLONIC DISTURBANCES DIAN LATIFAH; ROBERT A. CONGDON; JOSEPH A. HOLTUM
REINWARDTIA Vol 15, No 1 (2016): Vol.15 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/reinwardtia.2016.2442

Abstract

LATIFAH, D., CONGDON, R. A. & HOLTUM, J. A. 2016. Regeneration strategies of palms (Arecaceae) in response to cyclonic disturbances. Reinwardtia 15 (1): 43 ? 59. — Tropical cyclones may act as important ecological drivers in northern Australia including north Queensland, as several cyclones impact this region each year between November and May. Extensive research has been conducted to investigate how regeneration of rainforest plant communities respond to frequent cyclonic disturbances. However, there have been few such studies on palms although they are important components of many rainforests. This research aimed to investigate the effects of canopy gaps following cyclonic disturbance (case study: Cyclone Larry) on  regeneration of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., C. moti F. M. Bailey, Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi var. ramsayi (F. Muell.) H. Wendl. & Drude. The field research was carried out at five sites in three areas located in northern Queensland: Tam O’Shanter/Djiru National Park, Clump Mountain National Park and Kurrimine Beach Conservation Park. Observations were made of recruitment, growth rate, leaf turnover and life history. We found that responses of palm regeneration following cyclonic disturbance varied among study sites; however, the recruitment of several species was favoured in gaps created by cyclones. The results also provide information on the various stages in the life cycle of the study palms.
Literature Review : Mengatasi Ancaman Kerusakan Lingkungan akibat Penggunaan Bahan Kimia Berlebih dengan Sistem LEISA Angelica Tricia W; Devi Oktaviani S; Sasha Amalia; Ainin Tusamma S; Bagas Prio S; Dian Latifah; Lusanna Rosita Dewi
Jurnal Biologi dan Pembelajarannya (JB&P) Vol 12 No 1 (2025): APRIL 2025
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jbp.v12i1.24588

Abstract

Kecenderungan   semakin   intensifnya   penggunaan kimia dalam   kegiatan   budidaya   pertanian menyebabkan terjadinya ketimpangan hara lainnya dan semakin merosotnya kandungan bahan organik tanah.  Penggunaan pestisida kimia dalam pengendalian hama dan penyakit menyebabkan lingkungan menjadi rusak karena adanya residu pestisida yang tertinggal di dalam tanah. Degradasi   kesuburan   tanah dan   residu   bahan   aktif   pestisida yang   akan   mengancam keberlanjutan  usaha  tani.    Untuk  mengurangi  pemakaian  bahan  kimia  dalam  usaha  budidaya  tanaman padi dapat  dilakukan  dengan teknologi Low  External  Input  Sustainable  Agriculture (LEISA). Kajian literatur ini bertujuan untuk menjelaskan penerapan LEISA dalam bidang pertanian menunjukkan hasil positif untuk mengatasi kerusakan lingkungan yang diakibatkan penggunaan bahan kimia. Hasil kajian menyatakan bahwa penerapan LEISA dalam penggunaan pupuk organik, pengendali hama hayati, hingga mekanisme sistem pertanian mampu mengurangi bahan kimia yang dapat merusak lingkungan. 
A PHYSIOLOGICAL APPROACH TO CONSERVATION OF FOUR PALM SPECIES: ARENGA AUSTRALASICA, CALAMUS AUSTRALIS, HYDRI- ASTELE WENDLANDIANA AND LICUALA RAMSAYI Dian Latifah
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.421

Abstract

Palms (Arecaceae) are an important component of many tropical rainforests. Many have also been cultivated widely for agricultural commodities with high economic value. They are also important components in rehabilitation of disturbed or marginal lands. Knowledge and application of germination strategies are essential in the cultivation of palms. Many species have seeds that do not germinate readily, even when light conditions are favourable. This research determined the effects of seed coats, light and temperature on germination of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi var. tuckeri Barford & Dowe. We examined physical treatments to promote germination or break dormancy, as well as different light and temperature conditions. The results showed that the hard seed coats of the four species slowed imbibition. Scarified seeds germinated best for A. australasica, C. australis and L. ramsayi. The germination of all seeds was inhibited by far red light. The red light requirement suggests that these species prefer to colonise open areas. This implies that dispersal agents, canopy gaps and forest margins may play important roles in promoting regeneration as well as conservation of these palm species.
REGENERATION STRATEGIES OF PALMS (ARECACEAE) IN RESPONSE TO CYCLONIC DISTURBANCES DIAN LATIFAH; ROBERT A. CONGDON; JOSEPH A. HOLTUM
Reinwardtia Vol. 15 No. 1 (2016)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i1.2442

Abstract

LATIFAH, D., CONGDON, R. A. & HOLTUM, J. A. 2016. Regeneration strategies of palms (Arecaceae) in response to cyclonic disturbances. Reinwardtia 15 (1): 43 ? 59. — Tropical cyclones may act as important ecological drivers in northern Australia including north Queensland, as several cyclones impact this region each year between November and May. Extensive research has been conducted to investigate how regeneration of rainforest plant communities respond to frequent cyclonic disturbances. However, there have been few such studies on palms although they are important components of many rainforests. This research aimed to investigate the effects of canopy gaps following cyclonic disturbance (case study: Cyclone Larry) on regeneration of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., C. moti F. M. Bailey, Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi var. ramsayi (F. Muell.) H. Wendl. & Drude. The field research was carried out at five sites in three areas located in northern Queensland: Tam O’Shanter/Djiru National Park, Clump Mountain National Park and Kurrimine Beach Conservation Park. Observations were made of recruitment, growth rate, leaf turnover and life history. We found that responses of palm regeneration following cyclonic disturbance varied among study sites; however, the recruitment of several species was favoured in gaps created by cyclones. The results also provide information on the various stages in the life cycle of the study palms.
GROWTH RESPONSES OF PALM SEEDLINGS TO DIFFERENT LIGHT INTENSITIES STIMULATING CANOPY GAPS WITH AN ECOPHYSIOLOGICAL APPROACH DIAN LATIFAH; ROBERT A; CONGDON; JOSEPH A; HOLTUM
Reinwardtia Vol. 15 No. 2 (2016)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i2.2942

Abstract

LATIFAH, D., CONGDON, R. A. & HOLTUM, J. A. 2016. Growth responses of palm seedlings to different light intensities stimulating canopy gaps with an ecophysiological approach. Reinwardtia 15(2): 81 – 98. — Palms (Arecaceae) mainly grow in rainforests and many occur in disturbed areas like canopy gaps created by natural disturbances such as cyclones in Australia. Knowledge of seedling growth in different light intensities is essential to assist rainforest restoration in disturbed or marginal lands. The aim of this research was to investigate the effects of different light intensities on the seedling growth of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., C. moti F. M. Bailey, Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi (F. Muell.) H. Wendl. & Drude. Seedling growth experiments (pot trials) were conducted in a glass house using shade cloth providing four different levels of shading: 59, 29, 17 and 6% sunlight. The growth rate, leaf turnover, leaf area, total chlorophyll, chlorophyll a:b ratio, vigor, above-ground and below-ground biomass and growth indices (LAR, SLA and LWR) of palm seedlings were measured. As a result of these measurements the relative shade tolerance of the five species was determined. The seedlings of Arenga australasica were classified as intermediate-shade intolerant species. Hydriastele wendlandiana seedlings were shade-intolerant. Calamus australis and C. moti seedlings are intermediate-shade intolerant. Licuala ramsayi seedlings were found to be a shade-tolerant.
A PHYSIOLOGICAL APPROACH TO CONSERVATION OF FOUR PALM SPECIES: ARENGA AUSTRALASICA, CALAMUS AUSTRALIS, HYDRI- ASTELE WENDLANDIANA AND LICUALA RAMSAYI Dian Latifah
Reinwardtia Vol. 14 No. 1 (2014)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.421

Abstract

Palms (Arecaceae) are an important component of many tropical rainforests. Many have also been cultivated widely for agricultural commodities with high economic value. They are also important components in rehabilitation of disturbed or marginal lands. Knowledge and application of germination strategies are essential in the cultivation of palms. Many species have seeds that do not germinate readily, even when light conditions are favourable. This research determined the effects of seed coats, light and temperature on germination of Arenga australasica (H. Wendl. & Drude) S. T. Blake ex H. E. Moore, Calamus australis Mart., Hydriastele wendlandiana (F. Muell.) H. Wendl. & Drude and Licuala ramsayi var. tuckeri Barford & Dowe. We examined physical treatments to promote germination or break dormancy, as well as different light and temperature conditions. The results showed that the hard seed coats of the four species slowed imbibition. Scarified seeds germinated best for A. australasica, C. australis and L. ramsayi. The germination of all seeds was inhibited by far red light. The red light requirement suggests that these species prefer to colonise open areas. This implies that dispersal agents, canopy gaps and forest margins may play important roles in promoting regeneration as well as conservation of these palm species.
Co-Authors Ainin Tusamma S Angelica Tricia W Bagas Prio S CONGDON Devi Oktaviani S Fitri Fatma Wardani HOLTUM JOSEPH A JOSEPH A. HOLTUM Lusanna Rosita Dewi ROBERT A ROBERT A. CONGDON Sasha Amalia