楊桃害蟲之生態與防治

Abstract

楊桃為臺灣重要之經濟果樹，有關其病蟲害之問題日受重視。據本分所調查，常見之楊桃害蟲有 20 餘種，其中以楊桃花姬捲葉蛾為害最烈。其次者為東方果實蠅與柑桔葉蟎，再次者為鳥羽蛾、粉介壳蟲及杜鵑粉蝨。此等害蟲分別為害桃之枝幹、葉片、花穗或果實，有些全年為害嚴重，有些則為局部性或偶發性的為害。 Carambola is an important economic fruit crop in Taiwan. More than 20 species of insect pests have been found in the carambola orchards. among them, the fruit fly and citrus red mite. The plume moth, mealy bug and white fly are also of some importance. These insects may cause damages to the carambola tree trunk, twigs, leaves, flowers and fruits.