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All Journal JURNAL PEMULIAAN TANAMAN HUTAN
Rina Laksmi Hendrati
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.
PENGGUNAAN RHIZOBIUM DAN MIKORIZA UNTUK PERTUMBUHAN Calliandra calothyrsus UNGGUL Rina Laksmi Hendrati; Siti Husna Nurrohmah
Jurnal Pemuliaan Tanaman Hutan Vol 10, No 2 (2016): 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 (614.756 KB) | DOI: 10.20886/jpth.2016.10.2.71-81

Abstract

Calliandra calothyrsus, a rhizobium associated legume, fixes atmospheric nitrogen by forming root nodules. Rhizobium availability is crucial for Calliandra’s growth especially on new sites. Additive or synergic effects of rhizobium and mycorrhiza are found to improve seedling quality. Genetically improved Calliandras require optimum silvicultural practices including rhizobium and mycorrhiza application and differences among families need to be observed. This followed with combination treatment of 5g rhizobium and different mycorrhiza level at 0, 5 and 10g applied to 5 families in 30 x 30 cm polybag. Assessments were for leaf number, height, diameter at 1, 4 and 8 weeks and number of root nodules at 4 and 8 weeks after application. Results show that rhizobium application has no significant effects although it enhances grow, while mycorrhiza application improve leaf number after 14 weeks. Second experiment for 3.5 month seedlings, indicates interaction on family-mycorrhiza level to seedling height and root nodules. Very positive correlations show that more root nodules improved leaf number (r=0.41), height (r=0.3) and diameter (r=0.45) up to planting time. Quite cheap rhizobium and mycorrhiza application is therefore beneficial to optimize the growth of genetically improved C. calothyrsus, although genotype differences may eXist.
Co-Authors Arie Triani Nur Hidayati Siti Husna Nurrohmah Sudjino Sudjino