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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Phạm, Thị Thắm</subfield>
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   <subfield code="a">Bước đầu nghiên cứu sử dụng vi khuẩn vùng rễ để quản lý bệnh thối nhũn do vi khuẩn Erwinia carotovora trên Cải bắp :</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">Phạm Thị Thắm ; Nguyễn Thị Thu Nga ( hướng dẫn khoa học )</subfield>
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   <subfield code="b">Trường Đại học Cần Thơ</subfield>
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   <subfield code="a">Nghiên cứu gồm 3 thí nghiệm: thí nghiệm 1 là đánh giá khả năng gây hại của các chủng E. carotovora trên lá cải bắp; thí nghiệm 2 là phân lập vi khuẩn vùg rễ cải bắp và đánh giá khả năng đối kháng của vi khuẩn vùng rễ đối với E. carotovora trong điều kiện in-vitro; thí nghiệm 3 là đánh giá sự ảnh hưởng đối kháng của vi khuẩn vùng rễ đối với vi khuẩn E.carotovora trên lá cải bắp.</subfield>
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   <subfield code="a">Cabbage,Cải bắp</subfield>
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   <subfield code="i">Hồ Thị Cẩm,Qhieu</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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