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All Journal JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Zjakiyah Ari Susanti
Fakultas Kehutanan Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry

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Pengaruh Musim terhadap Perkembangan Atelocauda digitata, Penyebab Penyakit Karat pada Acacia auricaliformis di Yogyakarta Siti Muslimah Widyastuti; . Harjono; Zjakiyah Ari Susanti
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 14 No. 1 (2014): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (895.661 KB) | DOI: 10.23960/j.hptt.1148-15

Abstract

ABSTRACTSeasonal effect on the growth of Atelocauda digitata, the cause of rust disease on Acacia auriculiformis in Yogyakarta. The research was aimed to determine the growth of Atelocauda digitata which attacks Acacia auriculiformis in Gunung Kidul, Yogyakarta and determine the process of A. digitata infection on A. auriculiformis. Quantification of the presence of pathogen and the damage as part of tree health monitoring was represented by the percentage of disease incidence and severity, that was used as a benchmark of A. digitata dynamics. Pathogenic organisms were confirmed by pathogenicity test. The process of infection was studied microscopically and macroscopically. Percentage of disease incidence and severity of all three observation plots during the rainy and the dry season were dynamic, with the highest damage discovered in Plot 5. A. digitata infecting A. auriculiformis produces three types of spores, namely teliospores, uredospores and aeciospores. The hyphae infected the leaf tissue two days after inoculation through stomata. Intracellular hyphae were found five days after inoculation.
Co-Authors . Harjono Siti Muslimah Widyastuti