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Golden Nematode Program Manual - Phytosanitary Resources

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Procedures: Control<br />

Non-chemical Control<br />

With resistant potato varieties, juvenile nematodes exist on the roots<br />

in part because the nematode must feed on live cells in the potato<br />

plant’s roots. The cells around the nematode’s feeding site in the<br />

resistant roots die, and most of the nematodes die, too. Of the few<br />

surviving nematodes, reproduction is diminished and the offspring<br />

have a lowered rate of infestation.<br />

See the list of potato varieties that are currently resistant to golden<br />

nematode in Figure 4-1-1.<br />

4-1-2 <strong>Golden</strong> <strong>Nematode</strong> <strong>Program</strong> <strong>Manual</strong> 07/2008-01<br />

PPQ

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