Antinematodal Activity of Some Tropical Rainforest Plants against the Pinewood Nematode, Bursaphelenchus xylophilus

Author:

Alen Yohannes1,Nakajima Shuhei2,Nitoda Teruhiko3,Baba Naomichi2,Kanzaki Hiroshi2,Kawazu Kazuyoshi3

Affiliation:

1. The Graduate School of Natural Science and Technology, Department of Applied Bioscience and Biotechnology, Laboratory of Natural Products Chemistry, Okayama University, Tsushima naka 3-1-1, Okayama 700-8530, Japan./ Faculty of Agriculture, Okayama University, Tsushima naka 1-1-1, Okayama 700-8530, Japan / On Leave from Laboratory of Natural Products Chemistry, Department of Pharmacy, Faculty of Mathematic and Natural Sciences, Andalas University, Padang, Indonesia

2. The Graduate School of Natural Science and Technology, Department of Applied Bioscience and Biotechnology, Laboratory of Natural Products Chemistry, Okayama University, Tsushima naka 3-1-1, Okayama 700-8530, Japan. / Faculty of Agriculture, Okayama University, Tsushima naka 1-1-1, Okayama 700-8530, Japan

3. Faculty of Agriculture, Okayama University, Tsushima naka 1-1-1, Okayama 700-8530, Japan

Abstract

Abstract Sixty five methanolic extracts of Sumatran rainforest plants representing 63 species of 21 families were assayed in vivo for antinematodal activity against Bursaphelenchus xylophilus using our cotton ball-fungal mat method. Extracts of 27 plants species from 14 families exhibited antinematodal activity, while 37 species were inactive. Among them, three extracts of Bischofia javanica, Knema hookeriana and Areca catechu exhibited very strong activity at minimum effective dose (MED ) of 0.7 mg/cotton ball (mg/bl.). Eight extracts from Allamanda cathartica, Ervatamia corymbosa, Hoya diversifolia, Bischofia javanica, Derris malacensis, Melastoma melabathricum, Ophiorriza konsteleary and Brucea sumatrana also showed strong activity (MED, 5 mg/bl.).

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

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