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  <leader>01767nam a2200241Ia 4500</leader>
  <controlfield tag="001">CTU_178453</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">632.96</subfield>
  </datafield>
  <datafield tag="082" ind1=" " ind2=" ">
   <subfield code="b">Tr309</subfield>
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   <subfield code="a">60620112</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
   <subfield code="a">Lê, Đông Triều</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Ly trích hoạt chất Aza dirachtin từ hạt cây Neem Ấn Độ (Azadirachta indica A. Juss) và khảo sát một số tác động của chất này đối với sâu ăn tạp (Spodoptera litura Fabricius) trong điều kiện phòng thí nghiệm :</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="b">Luận văn thạc sĩ khoa học Nông nghiệp chuyên ngành Bảo vệ thực vật</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Lê Đông Triều ; Trần Văn Hai (Hướng dẫn khoa học)</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="a">Cần Thơ</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="b">Trường Đại học Cần Thơ</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="c">2012</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
   <subfield code="a">Đề tài được thực hiện nhằm mục đích: ly trích và xác định hàm lượng azadirachtin từ nhân hạt cây neem (Azadirachta indica). Xác định LC50 của dịch trích azadirachtin đối với sâu ăn tạp  (Spodoptera litura Fabricius) tuổi 2 trong điều kiện phòng thí nghiệm, làm cơ sở cho những nghiên cứu sâu và rộng hơn. Khảo sát một số tác động chính của azadirachtin đối với sâu ăn tạp như khả năng gây ngán ăn, khả năng gây ức chế sinh trưởng, phát triển.</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="a">Côn trùng,Agricultural chemical,Spodoptera litura Farbricius,Hóa nông</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="x">Sinh lý học</subfield>
  </datafield>
  <datafield tag="904" ind1=" " ind2=" ">
   <subfield code="i">Thái</subfield>
  </datafield>
  <datafield tag="910" ind1=" " ind2=" ">
   <subfield code="a">Nguyên</subfield>
  </datafield>
  <datafield tag="980" ind1=" " ind2=" ">
   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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