The growth and genetic potentials of gempol (<i>Nauclea orientalis</i>L.) as shading trees in urban landscapes

Riany, F; Sudrajat, Dede J.

doi:10.1088/1755-1315/203/1/012002

Cited by 4 publications

(6 citation statements)

References 10 publications

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“…In this study, red jabon had a lower initial growth so it was suspected that it could not compete with white jabon and gempol in obtaining plant space, especially light needed for pioneer species. In this study, the average diameter growth of white jabon, gempol, and red jabon at 2 years old were 7.38 cm (3.69 cm year -1 ), 4.84 cm (2.84 cm year -1 ), and 3.81 cm (1.91 cm year -1 ), while the results of other studies showed that the annual diameter increment was quite diverse, such as for white jabon in the range of 2.03 -5.25 cm year -1 [10,[24][25][26], gempol in the range of 1.83-2.84 cm year -1 [4], and red jabon in the range of 1.46-5.62 cm year -1 [27][28][29]. This difference may depend on the condition of soil fertility and sylvicultural practices and the level of soil fertility in Parungpanjang was relatively low.…”

Section: Seedling Performance and Amf Colonization In The Field Testmentioning

confidence: 99%

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Performance of seedling and mixed-species planting test of three species of Rubiaceae treated by different seedling media and mycorrhizae application

et al. 2023

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Seedling growth in the nursery and early field performance of three fast-growing tree species from the Rubiaceae family, i.e., white jabon (Neolamarckia cadamba), red jabon (Neolamarckia macrophylla, and gempol (Nauclea orientalis), were tested by using different seedling media and arbuscular mycorrhizal fungi (AMF) treatments in the nursery and mixed-species field tests. The experiment design in the nursery and field test was laid out following a split-split plot design of a randomized complete block with four replications. The main factors were tree species, the sub-factors were seedling media, and the sub-sub factors consisted of the AMF inoculation, with a mixed species planting pattern. White jabon had a more dominant growth both at the seedling level in the nursery and at the field test level until the age of 2 years, followed by gempol and red jabon. AMF inoculation in those three species at the seedling level was strongly influenced by the characteristics of the seedling media like media with high fertility levels resulting in a very low percentage of AMF colonization. In the field trial, all tree species and treatments were infected with mycorrhizae with colonization percentages ranging from 27.6% to 57.7%, which was suspected to be an infection from native AMF in the planting site. The AMF application had a significant effect on the percentage of colonization and tree diameter growth of 2-year-olds with a percentage increase of 14.4% and 8.4%, respectively.

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Section: Seedling Performance and Amf Colonization In The Field Testmentioning

confidence: 99%

“…White jabon and gempol are distributed on almost all islands in Indonesia, and it is often found in secondary forests along riverbanks and the transitional zone between swampy, permanently flooded areas, and periodically flooded areas [3,4]. Red jabon naturally grows in eastern Indonesia, i.e., Sulawesi and Maluku Islands [5,6].…”

Section: Introductionmentioning

confidence: 99%

Performance of seedling and mixed-species planting test of three species of Rubiaceae treated by different seedling media and mycorrhizae application

et al. 2023

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“…Neolamarckia cadamba umur 1 tahun rG = 0,56 (Sudrajat, 2015), dan Nauclea orietalis umur 5 tahun rG = 0,75 (Riany, Siregar, & Sudrajat, 2018). Berdasarkan hasil penelitian beberapa jenis tanaman hutan yang telah disebutkan sebelumnya, terlihat karakter tinggi dan diameter untuk jenis-jenis tanaman kehutanan mempunyai nilai korelasi genetik yang cukup tinggi, sehingga mengindikasikan bahwa keeratan kedua karakter tersebut disebabkan oleh faktor genetik dan diwariskan oleh induk kepada keturunannya (Gapare, Baltunis, Ivković, & Wu, 2009).…”

Section: Pertumbuhan Tanaman Mindiunclassified

Growth and Genetic Parameters of Mindi (Melia azedarach Linn.) Progeny Test in Parungpanjang Forest Research Station, Bogor

Danu¹,

Bramasto²,

Sudrajat³

2021

J.Perbenihan.Tan.Hutan

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Mindi (Melia azedarach Linn., family Meliaceae) is a multipurpose forest tree species such as for furniture, vinier and plywood, otherwise the leaves for pesticide and medicine material. Mindi mostly cultivated in a community forest, especially in West Java. This study was aimed to assess the growth performance and genetic parameter of the progeny test of mindi at Parungpanjang Forest Research Station, Bogor, West Java. The progeny test was established by using a randomized complete block design, consisting of 6 blocks and 73 families and each family consisting of 4 trees row-plot. The survival at 7 years old was 57.48%, height was 7.15 m and diameter is 8.59 cm, in average. The height and diameter growths among families showed a significantly different. The best family growth in height and diameter were Sumedang-31 and Bogor-18 families, respectively.The individual and family heritabilities for both stem diameter and tree heght characters were stil relatively low, with the higher family heritability value than individual heritability. The genetic correlation between total height and stem diameter of 0.57 indicates a strong correlation between the traits.

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“…One of the forest tree species that has high adaptability for rehabilitation of degraded forests and land is Nauclea orientalis L. [4,5]. N. orientalis has a wide distribution which naturally can be found in swamp areas [6], peat swamps [1], forests along rivers [7,8], savannas and grasslands [6], as well as in coastal areas up to 1,400 m asl [9,2].…”

Section: Introductionmentioning

confidence: 99%

Variation in seed morpho-physiological traits of Nauclea orientalis L. in a seedling seed orchard and the effect of seed sortation on their physiological parameters

Danu,

Rustam,

Cahyono

et al. 2024

IOP Conf. Ser.: Earth Environ. Sci.

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The aim of this study was to identify the morpho-physiological diversity of seeds in several mother trees of N. orientalis at 6-year-old in a seedling seed orchard in Parungpanjang, Bogor and to identify the effectiveness of seed sortation in improving the seed germination. A total of 17 mother trees were collected for their fruit, measured the morphology of the seeds and tested their germination. The results showed that fruit and seed dimensions and weight, germination capacity were strongly influenced by the mother tree. Germination capacity and the highest germination capacity was resulted by family no. 22-BT (90%) and 48-MJ (92%). The highest coefficient of variation was given by seed weight per fruit (83.03), followed by germination capacity (66.66) and fruit weight (65.95). Seed sortation had a significant effect on germination capacity, germination rate, and mean germination time, but had no significant effect on germination value. In general, a sieve size of 300-420 μm gave the best results for increasing germination capacity (59.5%), germination rate (1.67% day-1), and mean germination time (18 days). Other sieve sizes, i.e., 420-600 μm was also able to improve seed germination so that for seed sortation applications 300-600 μm sieve sizes can be used.

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The growth and genetic potentials of gempol (Nauclea orientalisL.) as shading trees in urban landscapes

Cited by 4 publications

References 10 publications

Performance of seedling and mixed-species planting test of three species of Rubiaceae treated by different seedling media and mycorrhizae application

Performance of seedling and mixed-species planting test of three species of Rubiaceae treated by different seedling media and mycorrhizae application

Growth and Genetic Parameters of Mindi (Melia azedarach Linn.) Progeny Test in Parungpanjang Forest Research Station, Bogor

Variation in seed morpho-physiological traits of Nauclea orientalis L. in a seedling seed orchard and the effect of seed sortation on their physiological parameters

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