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林业科学 ›› 1995, Vol. 31 ›› Issue (5): 421-427.

• 论文及研究报告 • 上一篇    下一篇

木麻黄皮暗斑螟的发生与综合防治技术研究*

黄金水   

  1. 福建省林业科学研究所 福州 350002
  • 收稿日期:1994-04-07 出版日期:1995-09-25 发布日期:1995-09-25

A STUDY ON THE OCCURENCE AND INTEGRATED MANAGEMENT OF EUZOPHERA BATANGENSIS

Jinshui Huang   

  1. Fujian Forest Research Institute Fuzhou 350012
  • Received:1994-04-07 Online:1995-09-25 Published:1995-09-25

摘要:

在1989—1993年, 对沿海防护林木麻黄新害虫皮暗斑螟(Euzophera batangensis Caradja)的发生及综合防治技术进行了试验研究, 根据51个不同的木麻黄地理种源的虫害率及生长情况, 应用IBM-PC计算机进行数据分析, 发现C38、C39、C44种源属绝抗类群。自然界有拟小腹茧蜂、蚂蚁等10余种天敌。次暗斑螟幼虫多寄居在树干的2m以下部位, 郁闭度0.3、林龄2年以下林木虫害发生轻。通过8个昆虫病原斯氏线虫品系的侵染力测定, 筛选出Steinernema feltiae Agriotos为最佳品系, 林间喷洒200条/ml线虫水液, 死亡率为72.0%在室内, 新发现的白僵菌对害虫感染率为100%;以不同施用方法比较得知, 以白僵菌+柴油+清水混合液剂效果最好, 林间喷雾效果为86.1%。管氏肿腿蜂、Scleroderma guani Xiao et Wu、苏云金杆菌、20%杀灭菊酯等对它均有较好的防治效果。

关键词: 木麻黄皮暗斑螟, 抗虫序列, 斯氏线虫, 白僵菌,  

Abstract:

A study on Euzophera batangensis Caradja was conducted in Fujiau province from 1989-1993. Euzophera batangensis Caradja is one of the primary pests damaging stem of Casuarina shelterbelt along the sea shore. The growth and resistance performance of 51 different geographical provenances of Casuarina spp. intraduced in 1987 and 1989 were investigated. The varianceanalysis showed that the ability of C38, C39, C44, to resist the pest was quite significant and they were the most resistant provenances. More than ten species of natural enemies of the borer were collected. If the crown density is over 0.3 or the age of stand is over 2 years, the tree could de hardly damaged. The comparison of infectivety of 8 steinernematid Steinernema feltiac Agriotos was the best one. Putting the nematode to water inthe ratio of 200 nematode juveniles to one ml of water and spraying the lipuid to the damaged sites of the tress in forest, a mortality of 72.0% could be obtained. The best way to use Beauveria bastiana to control the pest was to spray the mixture of Beauveria, diesel oil and water, the motality was from 86.1% to 100%.

Key words: Casuarina spp., Euzophera batangensis Caradja, Tree resistance, Nematode, Beauveria bassiana