The Indonesian government is committed to reducing greenhouse gas emissions through deforestation prevention and planting trees. Planting trees in urban areas is carried out, among others, through the development of urban forests and biodiversity parks. Biodiversity parks have the function to increasing biodiversity in urban areas and absorb greenhouse gases. This study aims to determine the diversity of trees at Bumi Patra Bidoversity Park in Indramayu and their contribution to carbon absorption. Inventory and measurement of tree diameter and height were carried out by census method. Bumi Patra Biodiversity Park covered an area of 19.30 hectares with 38 plant species, a total of 1,889 trees, or an average density of 98 trees per hectare. The species diversity index (H’) of vegetation in this biodiversity park is 3.16, with an evenness index (e) of 0.90 and a species richness index ® of 5.36. Biomass and carbon content in Bumi Patra Biodiversity Park was 123.38 tons or equivalent to 61.69 tons C. The average biomass and carbon potential per hectare was 6.38 ton/ha or 3.20 tons C/ha. Potential biomass and carbon content were dominated by angsana (Pterocarpus indicus Willd) and mango (Mangifera indica L.) with 119.44 kg (59.72 tons C) and 2.62 tons (1.31 tons C), respectively.
印尼政府致力于通过防止森林砍伐和植树来减少温室气体排放。除其他外，通过发展城市森林和生物多样性公园，在城市地区植树。生物多样性公园具有增加城市生物多样性和吸收温室气体的功能。本研究旨在确定Indramayu Bumi Patra Bidoversity公园树木的多样性及其对碳吸收的贡献。采用普查方法进行树径、树高的清查和测量。Bumi Patra生物多样性公园占地19.30公顷，有38种植物，共1,889棵树，平均密度为每公顷98棵树。该生物多样性公园植被物种多样性指数(H’)为3.16，均匀度指数(e)为0.90，物种丰富度指数®为5.36。Bumi Patra生物多样性公园的生物量和碳含量为123.38 t /ha，相当于61.69 t C，每公顷平均生物量和碳潜力为6.38 t /ha或3.20 t C/ha。潜在生物量和碳含量以野蔷花(Pterocarpus indicus wild)和芒果(Mangifera indica L.)居多，分别为119.44 kg (59.72 t C)和2.62 t (1.31 t C)。
{"title":"KEANEKARAGAMAN JENIS POHON DAN POTENSI SERAPAN KARBON TAMAN KEHATI BUMI PATRA, INDRAMAYU, JAWA BARAT","authors":"Heriyanto Nur Muhammad, Gunawan Hendra","doi":"10.14203/BKR.V23I3.668","DOIUrl":"https://doi.org/10.14203/BKR.V23I3.668","url":null,"abstract":"The Indonesian government is committed to reducing greenhouse gas emissions through deforestation prevention and planting trees. Planting trees in urban areas is carried out, among others, through the development of urban forests and biodiversity parks. Biodiversity parks have the function to increasing biodiversity in urban areas and absorb greenhouse gases. This study aims to determine the diversity of trees at Bumi Patra Bidoversity Park in Indramayu and their contribution to carbon absorption. Inventory and measurement of tree diameter and height were carried out by census method. Bumi Patra Biodiversity Park covered an area of 19.30 hectares with 38 plant species, a total of 1,889 trees, or an average density of 98 trees per hectare. The species diversity index (H’) of vegetation in this biodiversity park is 3.16, with an evenness index (e) of 0.90 and a species richness index ® of 5.36. Biomass and carbon content in Bumi Patra Biodiversity Park was 123.38 tons or equivalent to 61.69 tons C. The average biomass and carbon potential per hectare was 6.38 ton/ha or 3.20 tons C/ha. Potential biomass and carbon content were dominated by angsana (Pterocarpus indicus Willd) and mango (Mangifera indica L.) with 119.44 kg (59.72 tons C) and 2.62 tons (1.31 tons C), respectively.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131791345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dendrobium is an important genus in Orchidaceae because it is widely used in crossbreeding and cut flowers. Seed is a valuable material for propagation as well as useful for maintaining genetic diversity. Seed banks play an important role in orchid conservation. This study aimed to find out the viability of Dendrobium macrophyllum, D. discolor, and D. crumenatum seeds, after being stored for 10 years, predicting the lifespan of seed, and knowing the appropriate germination medium. The method of testing seed viability is directly by germinating the seeds orchids on 4 culture media and calculate the percentage of seed germination. Seeds are stored at -20 ° C. Seed viability test was carried out in media: that are modified of Knudson'C (KC), Vacin and Went (VWs), Hyponex (HS) and Knudson C + micro elements (KCA). The results show that D. discolor seeds can be stored for up to 60 years, D. macrophyllum seeds can last up to 20 years, while D. crumenatum seeds lose viability after 9 years of storage. After nine years, the highest percentage of germination achieved by D. discolor was around 52.17%. The best medium for D. macrophyllum and D. crumenatum seed germination was KC. While D. discolor seeds germinated well on HS media.
石斛是兰科植物中重要的属，广泛用于杂交育种和切花。种子是一种有价值的繁殖材料，也是保持遗传多样性的有用材料。种子库在兰花保护中发挥着重要作用。本研究旨在研究巨叶石斛、变色石斛和皱状石斛种子在贮存10年后的生存能力，预测种子寿命，确定合适的萌发培养基。测定种子活力的方法是直接将兰花种子在4种培养基上萌发，计算种子发芽率。种子在-20℃下保存，在Knudson’C (KC)、Vacin and go (VWs)、Hyponex (HS)和Knudson C +微量元素(KCA)改性的培养基中进行种子活力试验。结果表明，黄花龙葵种子可保存60年，大叶龙葵种子可保存20年，而黄花龙葵种子在保存9年后失去活力。经过9年处理，褐变菊发芽率最高，约为52.17%。其中，KC培养基对大叶金莲种子萌发效果最好，HS培养基对大叶金莲种子萌发效果最好。
{"title":"PERKECAMBAHAN DAN PREDIKSI MASA HIDUP TIGA JENIS Dendrobium MENGGUNAKAN EMPAT MACAM FORMULASI MEDIA","authors":"Elizabeth Handini, Dwi Murti Puspitaningtyas","doi":"10.14203/BKR.V23I3.647","DOIUrl":"https://doi.org/10.14203/BKR.V23I3.647","url":null,"abstract":"Dendrobium is an important genus in Orchidaceae because it is widely used in crossbreeding and cut flowers. Seed is a valuable material for propagation as well as useful for maintaining genetic diversity. Seed banks play an important role in orchid conservation. This study aimed to find out the viability of Dendrobium macrophyllum, D. discolor, and D. crumenatum seeds, after being stored for 10 years, predicting the lifespan of seed, and knowing the appropriate germination medium. The method of testing seed viability is directly by germinating the seeds orchids on 4 culture media and calculate the percentage of seed germination. Seeds are stored at -20 ° C. Seed viability test was carried out in media: that are modified of Knudson'C (KC), Vacin and Went (VWs), Hyponex (HS) and Knudson C + micro elements (KCA). The results show that D. discolor seeds can be stored for up to 60 years, D. macrophyllum seeds can last up to 20 years, while D. crumenatum seeds lose viability after 9 years of storage. After nine years, the highest percentage of germination achieved by D. discolor was around 52.17%. The best medium for D. macrophyllum and D. crumenatum seed germination was KC. While D. discolor seeds germinated well on HS media.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129519994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Momordica charantia is a herbaceous climber, in which the Indonesian people know the species with the name of "pare". This plant is used by the Balinese to make loloh (Balinese traditional herbal drink) to relieve heartburn, fainting and anti-diabetes. This study aims to reveal the uses of M. charantia and its pharmacological activities. The method used in data collection was using scientific databases, such as Google Scholar, Science Direct, Scopus, and Springer Portal. The obtained data were then qualitatively analyzed. The results showed that M. charantia can be used as traditional medicine by the Balinese for several conditions namely limuh (fainting), barah/ beteg (swelling), pain dan chickenpox. M. charantia contains various pharmacological activities, such as antidiabetic, anticancer, antibacterial, antifertility, antiviral, antiulcer, anthelmintic, and antimalaria activities.
{"title":"PENGETAHUAN ETNOMEDISIN MASYARAKAT BALI TENTANG PARE (Momordica charantia L.; CUCURBITACEAE): SEBUAH KAJIAN KEPUSTAKAAN","authors":"Gebby Agnessya Esa Oktavia, Fitriana Hayyu Arifah, Nissa Arifa, Wawan Sujarwo","doi":"10.14203/BKR.V23I3.644","DOIUrl":"https://doi.org/10.14203/BKR.V23I3.644","url":null,"abstract":"Momordica charantia is a herbaceous climber, in which the Indonesian people know the species with the name of \"pare\". This plant is used by the Balinese to make loloh (Balinese traditional herbal drink) to relieve heartburn, fainting and anti-diabetes. This study aims to reveal the uses of M. charantia and its pharmacological activities. The method used in data collection was using scientific databases, such as Google Scholar, Science Direct, Scopus, and Springer Portal. The obtained data were then qualitatively analyzed. The results showed that M. charantia can be used as traditional medicine by the Balinese for several conditions namely limuh (fainting), barah/ beteg (swelling), pain dan chickenpox. M. charantia contains various pharmacological activities, such as antidiabetic, anticancer, antibacterial, antifertility, antiviral, antiulcer, anthelmintic, and antimalaria activities.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131753766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gamma ray irradiation is one of plant breeding methods for increasing genetic diversity. In previous irradiation research of Dendrobium discolor Lindl. has not determined a dosage of LD20-50 yet, which generated the highest mutant variations. Thus, further research was carried out by increasing irradiation dosage. Research aimed were to determine the effect of irradiation on Dendrobium discolor Lindl. protocorms using lethal doses LD20 and LD 50, and to obtain new potential mutant with specific morphological characters and better plant performance. The dosages of Gamma ray irradiation used 0, 15, 30 and 60 Gray (Gy). A Completely Randomized Design (CRD) with six replicates was applied. The results showed that LD20 and LD50 values were 22,16 and 58,8 Gy. Gamma ray irradiation treatments of 15 Gy and 30 Gy dosages exhibited morphological changes in leaf shapes and more rosette in leaf arrangement. Consequently, these dosages ranged are recommended, particularly for this orchid species. Treatment of 60 Gy dosage caused entire explants died after 13 months irradiation, subsequent to the third subculture (MIV3).
{"title":"DOSIS LETAL LD20 DAN LD50 SERTA EFEK IRADIASI SINAR GAMMA PADA PROTOKORM Dendrobium discolor Lindl.","authors":"Elizabeth Handini, P. Aprilianti","doi":"10.14203/BKR.V23I3.631","DOIUrl":"https://doi.org/10.14203/BKR.V23I3.631","url":null,"abstract":"Gamma ray irradiation is one of plant breeding methods for increasing genetic diversity. In previous irradiation research of Dendrobium discolor Lindl. has not determined a dosage of LD20-50 yet, which generated the highest mutant variations. Thus, further research was carried out by increasing irradiation dosage. Research aimed were to determine the effect of irradiation on Dendrobium discolor Lindl. protocorms using lethal doses LD20 and LD 50, and to obtain new potential mutant with specific morphological characters and better plant performance. The dosages of Gamma ray irradiation used 0, 15, 30 and 60 Gray (Gy). A Completely Randomized Design (CRD) with six replicates was applied. The results showed that LD20 and LD50 values were 22,16 and 58,8 Gy. Gamma ray irradiation treatments of 15 Gy and 30 Gy dosages exhibited morphological changes in leaf shapes and more rosette in leaf arrangement. Consequently, these dosages ranged are recommended, particularly for this orchid species. Treatment of 60 Gy dosage caused entire explants died after 13 months irradiation, subsequent to the third subculture (MIV3).","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126668006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lydia Natalia Endewip, I. P. Astuti, Joko Ridho Witono, Sumanto
Canarium cf. hirsutum, Bogor Botanic Gardens collection in vak Z.200–200a, originating from North Sulawesi, has a morphological character that is different from other Canarium species. The different morphological characters are the presence of brown and sharp feathers on the leaf stalks, leaf blades, buds, and rind. These two collections also have no stipules and have deciduous leaves. this research aimed to obtain a valid species name from Canarium cf. hirsutum in vak Z.200 and 200a and their phenological data. The identification was carried out observatively, with observations on the morphological characters of leaves, stems, flowers, and fruit, as well as flower anatomy. Furthermore, it is compared with specimen type, protologue, herbarium, and literatures. From the reidentification results, both plant collections are Canarium hirsutum Willd. These collections are dioecious, female trees at Z.200a and male trees at Z.200. The fallen leaves, twice a year in February to March and September to October. Shedding of leaves occurs for 1–2 months, and without leaves for 7–10 days. Female tree produces flowers four times and bears fruit twice. Male tree produces flowers twice. Young fruit appears 35 days after flowering appears. The development of fruit to harvest is for 10 months. Seed germination of five seeds from 18 fruits (27.7%) sown in March 2020, 44–93 days after sowing. Further research is necessary, especially related to the character of male and female flower structure, pollen beads, and repentiveness of the pistil.
{"title":"IDENTIFIKASI DAN FENOLOGI KOLEKSI Canarium hirsutum Willd. DI KEBUN RAYA BOGOR","authors":"Lydia Natalia Endewip, I. P. Astuti, Joko Ridho Witono, Sumanto","doi":"10.14203/BKR.V23I3.630","DOIUrl":"https://doi.org/10.14203/BKR.V23I3.630","url":null,"abstract":"Canarium cf. hirsutum, Bogor Botanic Gardens collection in vak Z.200–200a, originating from North Sulawesi, has a morphological character that is different from other Canarium species. The different morphological characters are the presence of brown and sharp feathers on the leaf stalks, leaf blades, buds, and rind. These two collections also have no stipules and have deciduous leaves. this research aimed to obtain a valid species name from Canarium cf. hirsutum in vak Z.200 and 200a and their phenological data. The identification was carried out observatively, with observations on the morphological characters of leaves, stems, flowers, and fruit, as well as flower anatomy. Furthermore, it is compared with specimen type, protologue, herbarium, and literatures. From the reidentification results, both plant collections are Canarium hirsutum Willd. These collections are dioecious, female trees at Z.200a and male trees at Z.200. The fallen leaves, twice a year in February to March and September to October. Shedding of leaves occurs for 1–2 months, and without leaves for 7–10 days. Female tree produces flowers four times and bears fruit twice. Male tree produces flowers twice. Young fruit appears 35 days after flowering appears. The development of fruit to harvest is for 10 months. Seed germination of five seeds from 18 fruits (27.7%) sown in March 2020, 44–93 days after sowing. Further research is necessary, especially related to the character of male and female flower structure, pollen beads, and repentiveness of the pistil.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"535 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127283432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The private forest is forests that are developed on private-owned land rather than in forest areas. The diversity of plants making up private forests depends on the interests of each owner. One of the sustainable private forest practices is in Sambak Village, Kajoran District, Magelang Regency. It can be seen from the high level of population participation in planting forest plants on their lands. However, there is a lack of information about the vegetation structure was planted in the Sambak Village private forest. The calculation of carbon stock in private forests is carried out to reveal the role of private forests in carbon sequestration. Data collection techniques using the transect method with an observation plot measuring 20x20 m with a distance between plots of 50 m. The method of calculating carbon stock is using a non-destructive method by estimating carbon stock based on the diameter and height of the tree. The results showed that the composition of the plants making up the private forest vegetation consisted of 24 species from 16 families. These results are consistent with the calculation of the highest importance value index achieved by Falcataria falcata (L.) Greuter & R.Rankin (70.67), Swietenia macrophylla King (52.18), Cocos nucifera L. (37.53), and Artocarpus heterophyllus Lam. (25.21). However, the calculation of carbon stock shows that the highest potential carbon storage is owned by Cocos nucifera L. which is 1034,07 ton C/ha. The total carbon stock of Sambak Village private forests is 3499,89 ton C/ha.
{"title":"STRUKTUR VEGETASI DAN SIMPANAN KARBON HUTAN RAKYAT DESA SAMBAK, MAGELANG, JAWA TENGAH","authors":"Rizmoon Nurul Zulkarnaen","doi":"10.14203/bkr.v23i2.262","DOIUrl":"https://doi.org/10.14203/bkr.v23i2.262","url":null,"abstract":"The private forest is forests that are developed on private-owned land rather than in forest areas. The diversity of plants making up private forests depends on the interests of each owner. One of the sustainable private forest practices is in Sambak Village, Kajoran District, Magelang Regency. It can be seen from the high level of population participation in planting forest plants on their lands. However, there is a lack of information about the vegetation structure was planted in the Sambak Village private forest. The calculation of carbon stock in private forests is carried out to reveal the role of private forests in carbon sequestration. Data collection techniques using the transect method with an observation plot measuring 20x20 m with a distance between plots of 50 m. The method of calculating carbon stock is using a non-destructive method by estimating carbon stock based on the diameter and height of the tree. The results showed that the composition of the plants making up the private forest vegetation consisted of 24 species from 16 families. These results are consistent with the calculation of the highest importance value index achieved by Falcataria falcata (L.) Greuter & R.Rankin (70.67), Swietenia macrophylla King (52.18), Cocos nucifera L. (37.53), and Artocarpus heterophyllus Lam. (25.21). However, the calculation of carbon stock shows that the highest potential carbon storage is owned by Cocos nucifera L. which is 1034,07 ton C/ha. The total carbon stock of Sambak Village private forests is 3499,89 ton C/ha.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"451 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124293203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The living collection of Begonia in the Bogor Botanic Gardens has been used in hybridization to produce new varieties. This study aimed to describe the morphological characters, diversity, and relationship between species. The research was arranged in a randomized complete design with three replications. Observations included 39 qualitative and eight quantitative variables. Differences between species were tested using the F test at 5% and 1% significance level, followed by Duncan's Multiple Range tests. The relationship between genotypes were analyzed using cluster analysis, and principal component analysis by SPSS version 23. Analysis of variance showed that species significantly affected all quantitative characters. Principal components analysis on 30 Begonia species showed four components with initial eigenvalues >1. This value obtained from the reduction of 13 variables, and explained 65.50% diversity. Cluster analysis showed that the 30 Begonia species were clustered into six groups. The Begonia breeding program at Bogor Botanic Gardens referred to the classification of Begonias with ornamental foliage. Begonia species recommended for use for further breeding program are B. holocericeoides, B. kudoensis, and B. rex from group I; B. puspitae from group II; B. coriaceae from group V; and B. masoniana from group VI.
{"title":"KERAGAMAN DAN ANALISIS KEKERABATAN 30 JENIS BEGONIA BERDASARKAN KARAKTER MORFOLOGI","authors":"S. Wahyuni, Hartutiningsih-M. Siregar","doi":"10.14203/bkr.v23i2.261","DOIUrl":"https://doi.org/10.14203/bkr.v23i2.261","url":null,"abstract":"The living collection of Begonia in the Bogor Botanic Gardens has been used in hybridization to produce new varieties. This study aimed to describe the morphological characters, diversity, and relationship between species. The research was arranged in a randomized complete design with three replications. Observations included 39 qualitative and eight quantitative variables. Differences between species were tested using the F test at 5% and 1% significance level, followed by Duncan's Multiple Range tests. The relationship between genotypes were analyzed using cluster analysis, and principal component analysis by SPSS version 23. Analysis of variance showed that species significantly affected all quantitative characters. Principal components analysis on 30 Begonia species showed four components with initial eigenvalues >1. This value obtained from the reduction of 13 variables, and explained 65.50% diversity. Cluster analysis showed that the 30 Begonia species were clustered into six groups. The Begonia breeding program at Bogor Botanic Gardens referred to the classification of Begonias with ornamental foliage. Begonia species recommended for use for further breeding program are B. holocericeoides, B. kudoensis, and B. rex from group I; B. puspitae from group II; B. coriaceae from group V; and B. masoniana from group VI.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130278358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Grammatophyllum scriptum (L.) Blume or tiger orchid is one of Bogor Botanic Gardens’ collections which was collected from Sulawesi. Elongated stem of this species frequently occurred during in vitro propagation. Therefore, gamma irradiation was used in order to obtain mutation of protocorm. The aim of this study was to reduce the length of segment stem using gamma irradiation in order to generate rosette leaf arrangement as a candidate of superior mutant produced. Four doses of gamma irradiation were used viz. 0 Gy, 15 Gy, 30 Gy, and 45 Gy. Seeds were germinated in various modification media such as, modification of Knudson’C medium (KC and KCA), modification of VW medium, and modification of Hyponex medium. The result showed that VW modification medium gave best media for seeds germination. Subsequently, the protocorms growing in this medium were irradiated to create mutant. Based on data analysis showed that Lethal Dose 50 (LD 50) of protocorm G. scriptum was found in 43.46 Gy and for LD 20 was found in 20.9 Gy. Diverse stem morphology occurred in 15–30 Gy dose irradiation, meanwhile 45 Gy irradiation caused entire protocorms fail to recovery and finally dead.
{"title":"PENINGKATAN KERAGAMAN Grammatophyllum scriptum (L.) Blume ASAL SULAWESI DENGAN IRADIASI SINAR GAMMA","authors":"Elizabeth Handini, P. Aprilianti, S. Widiarsih","doi":"10.14203/bkr.v23i2.265","DOIUrl":"https://doi.org/10.14203/bkr.v23i2.265","url":null,"abstract":"Grammatophyllum scriptum (L.) Blume or tiger orchid is one of Bogor Botanic Gardens’ collections which was collected from Sulawesi. Elongated stem of this species frequently occurred during in vitro propagation. Therefore, gamma irradiation was used in order to obtain mutation of protocorm. The aim of this study was to reduce the length of segment stem using gamma irradiation in order to generate rosette leaf arrangement as a candidate of superior mutant produced. Four doses of gamma irradiation were used viz. 0 Gy, 15 Gy, 30 Gy, and 45 Gy. Seeds were germinated in various modification media such as, modification of Knudson’C medium (KC and KCA), modification of VW medium, and modification of Hyponex medium. The result showed that VW modification medium gave best media for seeds germination. Subsequently, the protocorms growing in this medium were irradiated to create mutant. Based on data analysis showed that Lethal Dose 50 (LD 50) of protocorm G. scriptum was found in 43.46 Gy and for LD 20 was found in 20.9 Gy. Diverse stem morphology occurred in 15–30 Gy dose irradiation, meanwhile 45 Gy irradiation caused entire protocorms fail to recovery and finally dead.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124176395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Research on distribution, habitat, and conservation status of Hernandia nymphaeifolia (C. Presl.) Kubitzki growing on sandy coastal forests were conducted in Kalimantan, Indonesia. The study showed that H. nymphaeifolia were distributed in all regions of Kalimantan, but not always found in their habitat. Species of plants dominated the habitat vegetation were Calophyllum inophyllum, Hibiscus tiliaceus and Pongamia pinnata. Soil characteristic in the habitat was dominated with sandy structure with low nutrition content. Seven populations and 44 mature trees were found in Kalimantan. An assessment of the conservation status of H. nymphaeifolia following IUCN guideline criteria showed that its status in Indonesia was Endangered (EN B2b(ii,iii)c(ii, iii).
{"title":"DISTRIBUSI, EKOLOGI, DAN STATUS KONSERVASI Hernandia nymphaeifolia (C. Presl) Kubitzki DI KALIMANTAN","authors":"B. S. Sitepu, T. Atmoko","doi":"10.14203/bkr.v23i2.264","DOIUrl":"https://doi.org/10.14203/bkr.v23i2.264","url":null,"abstract":"Research on distribution, habitat, and conservation status of Hernandia nymphaeifolia (C. Presl.) Kubitzki growing on sandy coastal forests were conducted in Kalimantan, Indonesia. The study showed that H. nymphaeifolia were distributed in all regions of Kalimantan, but not always found in their habitat. Species of plants dominated the habitat vegetation were Calophyllum inophyllum, Hibiscus tiliaceus and Pongamia pinnata. Soil characteristic in the habitat was dominated with sandy structure with low nutrition content. Seven populations and 44 mature trees were found in Kalimantan. An assessment of the conservation status of H. nymphaeifolia following IUCN guideline criteria showed that its status in Indonesia was Endangered (EN B2b(ii,iii)c(ii, iii).","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125931594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bogor Botanic Gardens (BBG), which one of the oldest Botanic Garden in Southeast Asia has more than 12.000 specimen of plants collections. The state soil fertility management is essential for collection in BBG, but currently the soil fertility in BBG unknown. This study aims to evaluate soil fertility condition with analysis of soil chemical and physical properties. Expected to a consideration in the collection management fertility herbs optimal expected to grow. The study conducted in March–October 2019. Methods used is land survey detail (1:5,000–1:10,000 of scales) to a special purpose fertility land the chemistry and physics properties. The sampling location determined by overlaying map of the garden, land cover (grass, litter, and without litter) and contour. The soil samples are collected using the sample ring and disturbed soil method. Variables were observed consisting of texture, pH, cation exchange capacity, total nitrogen, P2O5 available, K2O available, and C organic. The results showed soil fertility class in BBG had low until medium fertility (94,07 %) at various type of land cover. Covers litter having soil fertility higher compared to others (45,32%) (low–medium category). Advice that can be recommended is the litter zoning management, litter so that the process of decomposing organic cycle runs covered.
{"title":"EVALUASI KESUBURAN TANAH PADA BERBAGAI TUTUPAN LAHAN DI KEBUN RAYA BOGOR","authors":"Arief Noor Rachmadiyanto, Irvan Fadli Wanda, Dipta Sumeru Rinandio, Mahat Magandhi","doi":"10.14203/bkr.v23i2.263","DOIUrl":"https://doi.org/10.14203/bkr.v23i2.263","url":null,"abstract":"Bogor Botanic Gardens (BBG), which one of the oldest Botanic Garden in Southeast Asia has more than 12.000 specimen of plants collections. The state soil fertility management is essential for collection in BBG, but currently the soil fertility in BBG unknown. This study aims to evaluate soil fertility condition with analysis of soil chemical and physical properties. Expected to a consideration in the collection management fertility herbs optimal expected to grow. The study conducted in March–October 2019. Methods used is land survey detail (1:5,000–1:10,000 of scales) to a special purpose fertility land the chemistry and physics properties. The sampling location determined by overlaying map of the garden, land cover (grass, litter, and without litter) and contour. The soil samples are collected using the sample ring and disturbed soil method. Variables were observed consisting of texture, pH, cation exchange capacity, total nitrogen, P2O5 available, K2O available, and C organic. The results showed soil fertility class in BBG had low until medium fertility (94,07 %) at various type of land cover. Covers litter having soil fertility higher compared to others (45,32%) (low–medium category). Advice that can be recommended is the litter zoning management, litter so that the process of decomposing organic cycle runs covered.","PeriodicalId":274763,"journal":{"name":"Buletin Kebun Raya","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116099280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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