Identifikasi dan patogenitas penyakit akar pada Acacia mangium Willd

The occurrence of root disease has been found on one year old A. mangium plantation at Cikole Experimental Garden, Lembang- North Bandung. The plantation was drying and even killed in relatively short time. Therefore root disease on A. mangium needs attention especially during seedling up to sapling levels. To identify effective and efficient method of root disease preventation and control, basic research was necessary to be carried out, covering types of pathogen and its phatogenicity. Objective of this research was to identify the pathogen as cause of root disease on A. mangium and its pathogenicity on some age levels of seedlings. Base on macroscopic appearance that covers symptoms of host in the field, Koch Postulate Test and microscopic observation i.e growth colony on PDA medium, that can be used to determine special characteristic of fungi, the cause of root disease on one year old A. mangium plantation was Cylindrocladium sp. fungi. Observation result on pathogenicity of Cylindrocladium sp. fungi, showed high virulence on 7, 14, 30 days old seedlings, that showed damping-off symptom, with mortality percentage of 100 persen, 79 persen and 56,33 persen respectively. Due to high mortality of 7 days old on seedlings treatment for prevention and control should be done since sowing of seeds up to young plantation in the field.

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Judul Seri

null

No. Panggil

//630*443

Penerbit

: .,

Deskripsi Fisik

Buletin penelitian Hutan : No.645

Bahasa

Indonesia

ISBN/ISSN

1410-0649

Klasifikasi

//630*443

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Tipe Media

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Tipe Pembawa

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Edisi

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Subyek

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Info Detil Spesifik

Perpustakaan R.I. Ardi Koesoema

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