揭阳市4种严重危害性外来入侵植物分析

Analysis of Four Most Harmful External Invasion Plants in Jieyang City

多年的入侵植物调查发现,揭阳市外来入侵植物有31科92种,其中4种为揭阳市严重危害性植物,23种较严重危害性植物,65种一般性影响植物。介绍了4种严重危害性植物(空心莲子草、凤眼莲、马缨丹和五爪金龙)的生物学特性及控制方法。

Based on long - term field investigation, 92 external invasion plant species which belonged to 31 families were found in Jieyang city, in which 4 species were the most harmful, 23 species were next to them, and 65 species were common plant. The biological characteristics and control methods of the most harmful 4 species （Alternanthera philoxcroides, Eichhornia crassipes, Lantana camara and Ipomoea cairica） were introduced respectively in this article.