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  <leader>01615nam a2200229Ia 4500</leader>
  <controlfield tag="001">CTU_175625</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">632.9</subfield>
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   <subfield code="a">60620112</subfield>
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   <subfield code="a">Phan, Thị Cẩm Vân</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Khảo sát sâu cuốn lá nhỏ hại lúa Marasmia patnalis bradley (Lepidoptera: Pyralidae): khả năng gây hại, thiên địch ký sinh và phản ứng với một số thuốc trừ sâu :</subfield>
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   <subfield code="b">Luận văn Thạc sĩ Khoa học Nông nghiệp. Chuyên ngành: Bảo vệ thực vật</subfield>
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   <subfield code="c">Phan Thị Cẩm Vân ; Nguyễn Thị Thu Cúc (Người hướng dẫn khoa học)</subfield>
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   <subfield code="a">Cần Thơ</subfield>
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   <subfield code="b">Trường Đại học Cần Thơ</subfield>
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   <subfield code="c">2012</subfield>
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   <subfield code="a">Mục tiêu nghiên cứu của đề tài là xác định sự gây hại và phân bố của sâu cuốn lá nhỏ Marasmia patnalis Bradley trên lúa ở An Giang, Hậu Giang, Trà Vinh, Sóc Trăng, Bạc Liêu và Cà Mau. Các đặc điểm sinh học, thiên địch của M. Patnalis và khả năng gây hại của Marasmia patnalis Bradley trên một số giống lúa. Xác định tính mẫn cảm của Marasmia patnalis đối với một số loại thuốc trừ sâu.</subfield>
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   <subfield code="a">Pests,Rice,Côn trùng gây hại,Cây lúa</subfield>
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   <subfield code="x">Biological control,Kiểm soát sinh học</subfield>
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   <subfield code="i">Hằng Ni, Năm</subfield>
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  <datafield tag="980" ind1=" " ind2=" ">
   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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