Science Source December 1, 2009 DVD
EN_00957892_0722
Potato X virus. Transmission electron micrograph (TEM) of particles of the potato X virus. Potato X is a member of the potexvirus group that infects potato plants. It possesses long, filamentous particles that are transmitted by physical contact between healthy and infected plants. The use of virus-free propagative materials can control the spread of the virus. Potexviruses cause mosaics (patches of yellow or green color) or ringspots (yellow circles with green centers) to develop in infected plants. Magnification: x400,000.
2011-03-21
EAST NEWS
Science Source
Biophoto Associates
9m8728
3,6MB
24cm x 31cm przy 300dpi
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