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Kusumaningsih, Kartirahayu
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FRONT MATTER WANA TROPIKA Kusumaningsih, Kartirahayu
Jurnal Wana Tropika Vol 14 No 1 (2024): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

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Abstract

FRONT MATTER VOLUME 14 NOMOR 1 MEI 2024
Pengujian Aplikasi Beberapa Jenis Bahan Aktif Bakterisida terhadap Serangan Bakteri Xanthomonas sp. pada bibit Eucalyptus pellita Kusumaningsih, Kartirahayu; Putra, Hansen Tanaka
Jurnal Wana Tropika Vol 14 No 2 (2024): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v14i2.1636

Abstract

One of the problems in cultivating Eucalyptus pellita seedlings in Industrial Plantation Forest (HTI) nurseries is the attack of Xanthomonas sp bacteria. Seedlings that are attacked by this bacteria will experience spots on the leaves, wilt, fall off, and ultimately cause the death of the seedlings. Controlling bacterial attacks by using bactericides is one effort to minimize bacterial attacks. The purpose of this research is to determine the effect of the type of bactericidal active components, namely Oxitetracycline, Zinc Thiazole, and Copper Oxside, and the spraying time interval on the growth of Xanthomonas sp on NA (Nutrient Agar) media, reducing the incidence and severity of bacterial attacks on E. pellita seedlings. The research used 2 treatments factor, namely kinds of bactericidal active component and spraying time interval. Test of bactericidal active component was carried out on laboratory (in-vitro) and direct testing on sedlings. The research results showed that bactericides with the active components Oxitetracycline, Zinc Thiazole and Copper Oxcide, were able to inhibit the growth of Xanthomonas sp on NA media. Oxitetracycline resulted in a higher reduction in the incidence and severity of Xanthomonas sp attacks on E pellita seedlings compared to other active ingredients, namely 61.36% for a reduction in incidence and 36.25% for a reduction in severity. The bactericide spraying time interval of 1 and 2 weeks did not have a significant effect on reducing the incidence and severity of Xanthomonas sp attacks on E. pellita seedlings.
Pengujian Respon Hasil Inokulasi Tanaman Gaharu (Aquilaria malaccensis) pada Berbagai Volume Inokulan dan Jarak Antar Lubang Inokulasi Kusumaningsih, Kartirahayu; Rawana; Asmita, Fika
Jurnal Wana Tropika Vol 12 No 1 (2022): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i1.211

Abstract

Agarwood is one of non wood forest products that has very good prospect to be developed. Right now, the market demand of agarwood products is become more increasing, so study of artificial agarwood  production  is necessary to be expanded. At process of agarwood plant inoculation, the suitable inoculant with proper volume and distance between inoculation holes, will effect against inoculation result. Purpose of this study were to know effect of inoculant volume and distance between inoculation holes against response of Aquilaria malaccencis after three month  inoculated. Results of the research showed that percentage of inoculation success at A. malaccensis that inoculated with 2,5 ; 5 and 7,5 ml inoculant volume and distance between inoculation holes 5 x 5 and 10 x 10 cm were 100%, its meaned all inoculated plant were infected with fungus. Inoculant volume did not give  significant effect against length of  fungal infection, but there was tendency that 7,5 ml inoculant volume resulted higher length of fungal infection than 2,5 ml  and 5 ml volume. The distance  between inoculation holes 5 x 5 cm resulted higher length of  fungal infection than 10 x 10 cm, i.e 7.82 cm  and 1.89 cm. Fragrance level of Aquilaria malaccensis inoculation result after 3 months inoculated was classified in the fragrant criteria.  Keywords : distance between inoculation holes; inoculant volume; test response
Pengendalian Gulma Paku di Areal Gambut Menggunakan Beberapa Jenis Bahan Aktif Herbisida Kusumaningsih, Kartirahayu; Saputra, Setiaji Heri; Muhardi
Jurnal Wana Tropika Vol 12 No 2 (2022): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v12i02.313

Abstract

Fern weeds control with chemical herbicide in peat area is one solution to overcome weeds competition against cultivated plants at timber estate. Type of active component and solution concentrate of herbicide are effect on weed control result. The purpose of this research are to know weed species and its density, and effect of  active component type and solution concentration of herbicide against weed mortality percentage and weed mortality start time. Results of the research showed that Stenochlaena palustris weed was dominated at peat area with 3.986/Ha density. Ammonium Glufosinat herbicide with 1,6% solution concentration was effective to control fern weeds with 100% weed mortality and start time of weed mortality was 3 days after herbicide application.
FRONT MATTER WANA TROPIKA Kusumaningsih, Kartirahayu
Jurnal Wana Tropika Vol 14 No 1 (2024): Mei
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

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

Abstract

FRONT MATTER VOLUME 14 NOMOR 1 MEI 2024
Pengujian Aplikasi Beberapa Jenis Bahan Aktif Bakterisida terhadap Serangan Bakteri Xanthomonas sp. pada bibit Eucalyptus pellita Kusumaningsih, Kartirahayu; Putra, Hansen Tanaka
Jurnal Wana Tropika Vol 14 No 2 (2024): November
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v14i2.1636

Abstract

One of the problems in cultivating Eucalyptus pellita seedlings in Industrial Plantation Forest (HTI) nurseries is the attack of Xanthomonas sp bacteria. Seedlings that are attacked by this bacteria will experience spots on the leaves, wilt, fall off, and ultimately cause the death of the seedlings. Controlling bacterial attacks by using bactericides is one effort to minimize bacterial attacks. The purpose of this research is to determine the effect of the type of bactericidal active components, namely Oxitetracycline, Zinc Thiazole, and Copper Oxside, and the spraying time interval on the growth of Xanthomonas sp on NA (Nutrient Agar) media, reducing the incidence and severity of bacterial attacks on E. pellita seedlings. The research used 2 treatments factor, namely kinds of bactericidal active component and spraying time interval. Test of bactericidal active component was carried out on laboratory (in-vitro) and direct testing on sedlings. The research results showed that bactericides with the active components Oxitetracycline, Zinc Thiazole and Copper Oxcide, were able to inhibit the growth of Xanthomonas sp on NA media. Oxitetracycline resulted in a higher reduction in the incidence and severity of Xanthomonas sp attacks on E pellita seedlings compared to other active ingredients, namely 61.36% for a reduction in incidence and 36.25% for a reduction in severity. The bactericide spraying time interval of 1 and 2 weeks did not have a significant effect on reducing the incidence and severity of Xanthomonas sp attacks on E. pellita seedlings.
Efektivitas Ekstrak Serbuk Kayu Ulin (Eusideroxylon zwageri) dan Sonokeling (Dalbergia latifolia) untuk Mencegah Jamur Pewarna pada Kayu Jabon (Anthocephalus cadamba) Kusumaningsih, Kartirahayu; Lubis, Lydia Christina; Hadi, Didik Surya
Jurnal Wana Tropika Vol 15 No 1 (2025): MEI
Publisher : Fakultas Kehutanan Institut Pertanian STIPER Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/jwt.v15i1.2026

Abstract

One of the problem in using wood species with low natural durability such as   Anthocephalus cadamba is their susceptibility to various wood-destroying organisms, including wood-staining fungi (blue stain). These fungi tend to attack wood with high moisture content, causing discoloration into bluish, brownish, or blackish tones, which in turn reduces the quality and usability of the wood. Wood preservation using extracts from sawdust of naturally durable wood species such as Eusideroxylon zwageri and Dalbergia latifolia can serve as an alternative to chemical preservatives. The purpose of this study was to know the effect of wood extract type and preservative solution formulation on the absorption, retention, and the intensity of blue stain fungal attack on A. cadamba wood. The wood was treated using E. zwageri  and  D. latifolia  sawdust extracts at   10%, 20%, and 30% solution formula, and then exposed to blue stain fungi for 1.5 months. The results of the study showed that the two type of wood extracts were effective as wood preservatives against blue stain fungal attacks on A. cadamba wood. The preservative formulation had a significant effect on absorption, retention, and intensity of fungal attack. The highest preservative retention and the lowest intensity of fungal attack were found at the 30% solution formula, with values of 21.020 Kg/m³ for retention and 1.04% for fungal attack intensity.
Co-Authors Asmita, Fika Hadi, Didik Surya Lubis, Lydia Christina Muhardi Putra, Hansen Tanaka Rawana Saputra, Setiaji Heri