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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Đánh giá hiệu lực và tuyển chọn vi rút NPV (Nuclepolyhedrovirus) đối với sâu xanh da láng (Spodoptera exigua Hubner) và sâu ăn tạp (Spodoptera litura Fabricius) - nghiên cứu nuôi, nhân sâu xanh da láng trong phòng thí nghiệm :</subfield>
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   <subfield code="b">Luận văn tốt nghiệp Cao học. Chuyên ngành Bảo vệ thực vật</subfield>
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   <subfield code="a">Nội dung đề tài nghiên cứu thu thập định danh vi rút NPV trên sâu xanh da láng Spodoptera exigua tại những vùng thu mấu bằng phương pháp truyền thống và công nghệ sinh học, so sánh một số công thức thức ăn nhân tạo cho sâu xanh da láng trong điều kiện phòng thí nghiệm, đánh giá hiệu quả và xác định nồng độ phù hợp của các dòng vi rút NPV trên sâu xanh da láng và sâu ăn tạp trong điều kiện phòng thí nghiệm.</subfield>
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   <subfield code="a">Parasites,Ký sinh trùng</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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