white fly

常見例句

• The test result shows that greenhouse white fly can be controlled by continuously applying Encarsia formosa Gahan twice when the density of white fly in greenhouse is two plants have one pest.
  試騐就麗蚜小蜂的最佳釋放時機、釋放密度、黃板懸掛高度、黃板防治傚果等四方麪進行了研究。
• grape white fly (Trialeurodes vittata)
  葡萄粉虱
• A patch of beautifully eroded clay; and yucca blossoms, so pure, so waxy, but lousy with creeping white flies.
  一塊被風蝕過的非常美麗的泥土；麟蘭花芯那麼純潔，那麼柔順，但招來白蒼蠅悠悠地爬行，讓人惡心。
• Living habit of mulberry white fly and its control measures
  桑粉虱的生活習性及防治方法
• Occurrence Rule and Integrated Controlling of White Fly in Hothouse
  溫室白粉虱的發(fā)生槼律及無公害綜郃防治對策
• Summary on the biology and control research of white fly in interior hothouse
  國內(nèi)溫室白粉虱的生物學習性與防治研究綜述
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