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All Journal JURNAL PEMULIAAN TANAMAN HUTAN
Nur Hidayati
Balai Besar Penelitian dan Pengembangan Bioteknologi dan Pemuliaan Tanaman Hutan Yogyakarta
Agriculture, Biological Sciences & Forestry

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PENGARUH KEKERINGAN TERHADAP PERTUMBUHAN DAN PERKEMBANGAN TANAMAN NYAMPLUNG (Callophylum inophyllum L.) DAN JOHAR (Cassia florida Vahl.) DARI PROVENAN YANG BERBEDA Nur Hidayati; Rina Laksmi Hendrati; Arie Triani; Sudjino Sudjino
Jurnal Pemuliaan Tanaman Hutan Vol 11, No 2 (2017): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (539.942 KB) | DOI: 10.20886/jpth.2017.11.2.99-111

Abstract

Nyamplung (Callophylum inophyllum L.) and johar (Cassia florida Vahl.) are alternative plants that are resistant to drought. Global warming that occurred in the last few years caused extreme climate change, one of which is drought. The purpose of this research were to examine and determine the growth and development of plants and the response of morphology, physiology, and anatomy of these plants to drought condition, and adaptive species to drought. This research used drought stress treatment for 10 days, 20 days, 30 days, and 40 days, while control plants were watered every 2 days. Each treatment used 3 replications. Parameters observed were plant height, stem diameter, number of leaves, leaf area, proline levels, plant water content, total dry weight, root dry weight, stomata index, root anatomy, anatomy of stem, and leaf anatomy. Physiological data obtained were analyzed using T-test. The results showed that plants responded to drought stress by decreasing plant height, stem diameter, number of leaves, leaf area, root dry weight, total dry weight, water content of plants, transpiration rate, stomata lindex, root cortex thickness, leaf mesophyll thickness, leaf phloem thickness, other wise occurred increasing level of proline, root epidermis thickness, stem xylem diameter, stem cortical thickness and leaf xylem thickness. Johar plant was more adaptive plant to drought stress than nyamplung plant.
INVENTARISASI DAN IDENTIFIKASI PENYEBAB PENYAKIT PADA Acacia auriculiformis DI YOGYAKARTA Nur Hidayati; Rina Laksmi Hendrati
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 2 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2018.12.2.105-113

Abstract

Acacia auriculiformis is a fast growing species mostly planted in marginal lands with less intensive in cultivation. Problems found on A. auriculiformis cultivation include disease attacks which then caused a significant economic reduction on the plantation. The aim of this study is to determine causes, intensity and severity of the diseases attacking A. auriculiformis plants. The research was conducted on two observation plots, in the nursery and in clonal bank area established in Yogyakarta. Genetic materials planted in the plots were collected from clonally propagated of trees selected in second generation progeny trial of A. auriculiformis established in Wonogiri, Central Java. Observations of disease signs and symptoms in the two plots were undertaken with 100% plants inventories in rainy and dry seasons. Postulate Koch was then performed on this study to identify the pathogens. The result showed that the powdery mildew caused by Oidium sp. is a dominant disease attacking 100% A. auriculiformis both in the nursery and on clonal bank areas, occurring not only during the rainy season but also during the dry season. There were also other diseases attacking A. auriculiformis namely black mildew caused by Meliola sp, phomopsis, leaf spot disease caused by Phomopsis sp. and root rot disease caused by Ganoderma steyaertanum.
IDENTIFIKASI PENYEBAB PENYAKIT LODOH PADA SEMAI KALIANDRA (Calliandra callothyrsus) Nur Hidayati
Jurnal Pemuliaan Tanaman Hutan Vol 12, No 2 (2018): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2018.12.2.135-142

Abstract

Seedling quality is one of factors determining the success of forest management. Pathogen attack that causes disease in the nursery is one reason hindering the target of seedling provision. Therefore, disease outbreak in the nursery need to be properly studied to set precautionary or control measures. The aim of this study is to isolate and identify causes of damping off which cause the death of kaliandra (Calliandra callothyrsus) seedlings. A number of kaliandra seedlings from 30 gram seed of kaliandra, died due to damping off disease. Dead seedling samples were isolated then observed macroscopically and microscopically (examined under the microscope). Koch Postulate test was conducted to identify the disease causing the death of kaliandra seedlings. Identification results indicate that the causes of damping-off disease are Fusarium sp. and Rizoctonia solani.
ISOLASI, IDENTIFIKASI DAN KARAKTERISASI PENYEBAB PENYAKIT KARAT DAUN PADA SEMAI PINUS DI PERUM PERHUTANI BKPH PURWOREJO, KPH KEDU SELATAN Nur Hidayati; Siti Husna Nurrohmah; Fithry Ardhany
Jurnal Pemuliaan Tanaman Hutan Vol 14, No 1 (2020): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2020.14.1.21-32

Abstract

Pinus merkusii, a multiuse tree, is cultivated at Indonesian Plantation. Pinus plantation have been threatened by rust/spot leaf disease. The pathogen has infected pinus seedlings at Perum Perhutani, BKPH Purworejo, KPH Kedu Selatan and cause high mortality. The aims of this research to identify pathogen causing rust/spot leaf thus information how to control can be observed. Pathogens were isolated from infected leaves, and grown on the potato dextrose agar (PDA) and observed macroscopis and microscopis and identified. The pathogens also were inoculated to healthy seedlings (Postulat Koch Test). The result shows that pathogen causing rust/spot leaf on seedlings pine is Pestalotia sp with characteristic white colony, hypha has aservuli with conidia that have 25 septums and at the edge, some structure looks like feather whipped 3-5. Potulat Koch test indicated that inoculated healthy seedling shows similar symptom with infected seedlings. Rust/spot leaf has similar sympto and sign. Spot or rust appear on leaves started from edge and spread to base. At first, spots were formed in small size and separate each other but they developed and became larger and wider and fused.
Co-Authors Arie Triani Fithry Ardhany Rina Laksmi Hendrati Siti Husna Nurrohmah Sudjino Sudjino