Cunea

常見例句

• HCNPV and Bt were used against Hyphantria cunea Drury.The result showed they could kill over 74% of the pest.
  摘要采用美國白蛾核型多角體病毒和蘇云金桿菌對美國白蛾幼蟲進(jìn)行了防治試驗，效果均在74%25以上。
• Hyphantria cunea Drury is a exotic species and has invaded and spread to Liaoning, Hebei, Tianjin, Shandong, Shanxi and Shanghai.
  美國白蛾為外來入侵種,現(xiàn)已擴(kuò)散蔓延到遼寧、河北、天津、山東、陜西、上海等省市。
• Hyphantria cunea invaded Jinan for the first time in 2007, and has caused serious damage to city scape and ecological security of Jinan.
  摘要2007年美國白蛾首次入侵濟(jì)南市，對城市景觀和生態(tài)安全構(gòu)成嚴(yán)重威脅。
• Quarantine and monitoring procedures and techniques were described in accordance with characteristics and scale of Hyphantria Cunea (Drury) in terms of its occurrence, damage symptom, host, phases as well as its spread modes.
  本文依據(jù)美國白蛾發(fā)生、危害癥狀、寄主、蟲態(tài)、特征、發(fā)生期、傳播方式等方面的特點與規(guī)律,探討了美國白蛾的監(jiān)測檢疫檢驗技術(shù)程序與方法。
• Z,12Z ) octadecadienal and ( 9Z,12Z,15Z ) octadecatrienal were two major components of the sex pheromones emitted by females of the Hyphantria cunea (Drury). The compounds were prepared from linoleic and linolenic acids as if the pathway of biosynthesis.
  采用仿生合成法制備了美國白蛾 Hyphantria cunea性信息素的兩個主要成分 ,(9Z,12 Z) -十八碳二烯醛和 (9Z,12 Z,15 Z) -十八碳三烯醛。
• Z,12Z,15Z)-Octadecatrienal is one of the principal components of Hyphantria cunea(Drury) pheromone. In the synthetic process of the compound its efficiency of separation and purification was monitored by GC.
  (9Z,12Z,15Z)_十八碳三烯醛是美國白蛾信息素的主要有效成分之一,在其合成的過程中 ,采用氣相色譜監(jiān)測分離提純效果 ;
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