You may no longer grow seed potatoes on this field. As of 2010 you may only resample after 6 years or 3 years after a control measure. You must also have samples taken with a more intensive method (1500 ml/ha), which reduces the chance of a PCN-free status being awarded. Compare chances of formal scheduling of the four scenarios
Considerable infestation spot, 745 m2 infested. Over 15 million cysts Click to enlarge
The chance of detection considerably increases after each crop of Bintje with the - in certain cases permitted - statutory method of 600 ml/ha. The detection chance in 2015 is still more than 60% and with the now compulsory method of 1500 ml/ha even 90%.
Click to enlarge
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