Library of South China University of Tropical Agriculture,Danzhou 571737,China;
Tropical Crops Germplasm Resources Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou 571737,China;
Rubber Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou 571737,China;
Sci-Tech Information Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou 571737,China;
Analytical and Testing Centre,Chinese Academy of Tropical Agricultural Sciences,Haikou 571101,China;
Eucalyptus grandis × E.urophylla; essential oil; allelopathic effect; pathogenic fungi; pest insects;