tiểu luận virus gây bệnh côn trùng

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2 $.! V& 48 a   Baculoviridae, Reoviridae, Iridoviridae,
Parvoviridae, Picaviridae, Poxviridae, Rhabdoviridae.
2*806!0483>
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b:@4B*4RCIIridovirus, Densovirus, Baculovirus,
UB?RU!G0 Baculoviridae
U#B?RU!G0 Reoviridae
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2?0HA"P+Q
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N=C8!4
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RCI+
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B4C*
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(! !"#"$%"&'-".'/01+$.2+,
X4J!&7C
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(!(!3+%%3+%+,%"4+05'+,67"+8#0
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- Triệu chứng sâu bị virus xâm nhập
+ Hoạt động yếu, ít ăn, cơ thể đổi màu.
+ Sau 2-3 ngày, sâu bệnh, cơ thể căng phồng mọng nước, da mỏng dần và dễ bị vỡ, sau 3-4
ngày thì dịch trắng chảy ra.
+ Riêng NPV, sâu bị chết nhũn và treo ngược lên cành cây, đầu chút xuống dưới (bệnh thối
nhũn) (Phạm Thị Thuỳ. 2010).
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