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- 검색키워드
- 저자 : Hendrati Rina Laksmi (검색결과 3 건)
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Pandu Yudha Adi Putra Wirabuana,Rina Laksmi Hendrati,Liliana Baskorowati,Mudji Susanto,Mashudi ,Harry Budi Santoso Sulistiadi,Dedi Setiadi,Sumardi ,Syamsu Alam 한국산림과학회 2022 Forest Science And Technology Vol.18 No.2
Clonal teak plantation has been extensively developed in Java and providing a purposeful contribution to improve the productivity of the state forests. It also plays a crucial role in cli- mate change mitigation and serves as a primary source of renewable energy. However, information about its stand dynamics has been rarely documented. This study investigated the growth, biomass, carbon stock, and energy storage along an age series of clonal teak plantation. The study site was located in the Kendal Forest Management Unit. Data were col- lected from 14 different compartments as the priority sites of clonal teak establishment. Every compartment had similar site quality but different in age stand. Results demonstrated that the incremental rate of diameter and height was higher during the initial period between 1 and 3 years. The mean volume increased along with age and reached its max- imum value at 14 years (164.54 m3 ha1). Biomass distribution in each tree component varied from 8.75 to 66.72%. More than 80% biomass production was accumulated above ground. Total carbon stock improved from 2.68 Mg ha1 at 1 year to 54.01 Mg ha1 at 14 years. Our study noted that the total energy storage in clonal teak plantation increased progressively from 22.71 106 MJ ha1 at 1 year to 377.74 106 MJ ha1 at 14 years. Overall, this study concluded the growth, biomass, carbon, and energy in clonal teak increased progressively with age. Further investigations are still required to understand the stand dynamics of clonal teak at different sites.
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Baskorowati Liliana,Wirabuana Pandu Yuda Adi Putra,Hendrati Rina Laksmi,Nurtjahjaningsih I. L. G.,Setiadi Dedi,Mashudi Mashudi,Susanto Mudji,Pudjiono Sugeng,Sumardi Sumardi,Santoso Sulistiadi Harry Bu 한국산림과학회 2024 Forest Science And Technology Vol.20 No.2
Falcataria moluccana is a widespread species that grows rapidly in Indonesia and produces timber used for carpentry. Nonetheless, this species is especially susceptible to gall rust disease. To find plants that can handle rust, a mix of breeding with progeny experiments and forest management methods, like arbuscular mycorrhiza (AM ), were used. The point of this study is to find out if adding AM changes how F. moluccana seedlings grow and how they react to gall rust disease, both those that have been improved and those that have not. We will also look at the response by calculating the area under disease progress curves (AUDP C) value for rust disease to grow in F. moluccana seedlings. The experimental design comprised four different treatments, including varying quantities of mycorrhizae, as well as four different seed sources. For the mycorrhizal inoculation experiments, there was a control group and three treatment groups. The treatment groups got 5, 10, and 15 g of mycorrhiza per polybag, respectively. The seeds used in this study were sourced from two unimproved families, namely Java and Solomon, as well as two genetically improved families, F63 and F77. This study revealed that mycorrhizal application affects the growth of F. moluccana seedlings and significantly reduces both disease incidence and severity. The application of mycorrhiza reduces the disease incidence and severity; the AUPD C value of seedlings with mycorrhiza added is four times lower than that of seedlings without mycorrhiza. The disease severity was highest for the unimproved Solomon seedlings, despite the fact that the source of seeds had little impact on the disease incidence. Meanwhile, the genetically improved seedlings demonstrated lower disease incidence and severity rates than seedlings without improvement, with an AUPD C value nearly half that of the unimproved seedling. In terms of diameter and height, F. mollucana seedlings derived from various seed sources were remarkably diverse, and seedlings with improvements grew much better than seedlings without improvements. This study shows how arbuscular mycorrhiza affects how well improved and unimproved F. moluccana seedlings deal with gall rust disease.
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Nurtjahjaningsih Ida Luh Gede,Rimbawanto Anto,Fauzi Mohammad Anis,Dormontt Eleanor E.,Lowe Andrew John,Hendrati Rina Laksmi,Baskorowati Liliana,Susanto Mudji,Sulistiadi Harry Budi Santoso,Mashudi,Pudj 한국산림과학회 2023 Forest Science And Technology Vol.19 No.1
Genetic relationships among teak (Tectona grandis) seed sources have been found to be low, thus genetic materials from other sources are required to maintain broad genetic diversity. This study here is therefore aimed to assess the potency of teak genetic structure in Southeast Sulawesi, Indonesia. Leaf materials were sampled from six populations: the villages of Angondara, Anduna (Konawe), Napabalano, Matakidi, Wakuru (Muna) and Wakonti (Buton). One population from Java Island (Kepek) was used as an outgroup. Genetic structures were assessed by using six microsatellite markers. The genetic diversity within populations was moderate (mean expected heterozygosity ¼ 0.544; mean allelic richness ¼ 3.752) as well as the genetic differentiation among the populations (mean FST ¼ 0.085). Dendrogram analysis revealed that the populations were separated into two clusters; the first is Kepek-Angondara, Anduna-Napabalano-Matakidi, Wakuru, and the second is Wakonti. AMOVA showed that the genetic variation was insignificant between regions, but significant among populations. The structural analysis demonstrates the division of populations into two lineages (Java and Southeast Sulawesi populations). Differences in genetic structures indicated that the teak from Southeast Sulawesi may have originated from other sources. Thus, those populations are promising for broadening the genetic base of commercial teak in Java.
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