海南省桉树枝瘿姬小蜂危害现状及桉树抗品系调查

Investigate of Leptocybe Invasa Fisher et La Salle Damage Status and Eucalyptus Resistant Stain in Hainan

为了有效防控桉树枝瘿姬小蜂危害的发生和扩散,保障海南省生态环境安全,该研究对海南省桉树枝瘿姬小蜂危害现状及桉树抗性品系进行调查。结果表明,桉树枝瘿姬小蜂对海南桉树的危害已扩散蔓延至澄迈、临高、儋州、乐东、东方、昌江、白沙、琼中、保亭、五指山、陵水及三亚等12个市县,受灾总面积76910亩;桉树不同品系对桉树枝瘿姬小蜂的抗虫性存在差异,其中:金光21号、金光3号、金光26号、金光4号、U6、小叶桉等品系抗虫性较强。

In order to prevent and control the occurerence and diffusion of Leptocybe invasa Fisher et La Salle, support the safty of ecological environment of Hainan provience, the Leptocybe Invasa Fisher et La Salle Damage Status and Eucalyptus Resistant Stain in Hainan was surveied. The results indicated that Leptocybe invasa Fisher et La SaUe has spread in Chengmai, Lingao, Ledong, Dongfang, Changjiang,, Baisha, Qiongzhong, Baoting, Wuzhishan, Linshui and Sanya et al,the disaster area was 76 910 mu. The pest resistance of different eucalypyus to Leptocybe invasa Fisher et La Salle had significant difference, and the strain of Jinguang 21, Jinguang 3, Jinguang 26, Jinguang 4, U6 and leaflet eucalyptus showed best pest resistance chatacter.