<section><h2><p>Potato Cyst Nematode Quiz</p></h2><p><p>Think you know all there is about PCN? Take our quiz and put your knowledge to the test!</p></p></section><section><h2><p><strong>What is a PCN cyst?</strong></p></h2></section><section><h3><p><strong>How big is a typical PCN cyst in diameter?</strong></p></h3></section><section><h3><p>Which species of PCN cysts have an early yellow or gold colour?</p></h3></section><section><h3><p>Typically how many PCN eggs hatch spontaneously in the spring if no host plant is present?</p></h3></section><section><h3><p>What’s the longest time viable juveniles can remain dormant in cysts in the soil?</p></h3></section><section><h3><p>In potato crops what triggers PCN eggs to hatch?</p></h3></section><section><h3><p>How long does the hatching period typically last in <em>Globodera pallida</em>?</p></h3></section><section><h3><p>In which type of soil does PCN decline fastest?</p></h3></section><section><h3><p>What is the typical rate of decline of <em>Globodera pallida</em> in fields without a host?</p></h3></section><section><h3><p>Minimising multiplication rates is central to the long-term control of PCN. According to the AHDB PCN Guide, in a population of 10 eggs/gram of soil of <em>Globodera pallida</em>, if left untreated, what multiplication rates can be expected after one year?</p></h3></section><section><h3><p>What is the key characteristic of a PCN-resistant variety?</p></h3></section><section><h3><p>The most effective means of reducing PCN populations is the use of resistant varieties, but few varieties are resistant to both species of PCN. Of the varieties listed below, which is recognised as being resistant to both <em>Globodera pallida</em> and <em>Globodera rostochiensis</em>?</p></h3></section><section><h3><p>According to AHDB research, what level of control of PCN eggs might you expect from a trap crop of Sticky nightshade?</p></h3></section><section><h3><p>Which of the following nematicides is a liquid formulation?</p></h3></section><section><h3><p>Three cans of Velum will treat 24ha. To treat the same area with a full rate of the granular nematicide Vydate would require how many containers?</p></h3></section><section><h2><p>You need to brush up on your PCN knowledge!</p></h2><p><p>Velum Prime contains fluopyram. Nemathorin 10G contains foshiazate. Vydate 10G contains oxamyl. Nemguard contains <em>Allium sativum.</em> Velum is a registered Trade Mark of Bayer. All other brands listed may be Trade Marks of other manufacturers and proprietary rights may exist. Use plant protection products safely. Always read the label and product information before use. Pay attention to the risk indications and follow the safety precautions on the label. For further information, including contact details, visit <a href="http://www.cropscience.bayer.co.uk/" target="_blank" style="background-color: rgb(255, 255, 255);">www.cropscience.bayer.co.uk</a> or call 0808 1969522. © Bayer CropScience Limited 2019</p></p></section><section><h3><p>Good try!</p></h3><p><p>Velum Prime contains fluopyram. Nemathorin 10G contains foshiazate. Vydate 10G contains oxamyl. Nemguard contains <em>Allium sativum.</em> Velum is a registered Trade Mark of Bayer. All other brands listed may be Trade Marks of other manufacturers and proprietary rights may exist. Use plant protection products safely. Always read the label and product information before use. Pay attention to the risk indications and follow the safety precautions on the label. For further information, including contact details, visit <a href="http://www.cropscience.bayer.co.uk/" target="_blank" style="background-color: rgb(255, 255, 255);">www.cropscience.bayer.co.uk</a> or call 0808 1969522. © Bayer CropScience Limited 2019</p></p></section><section><h3><p>Well done! You're a PCN expert.</p></h3><p><p>Velum Prime contains fluopyram. Nemathorin 10G contains foshiazate. Vydate 10G contains oxamyl. Nemguard contains <em>Allium sativum.</em> Velum is a registered Trade Mark of Bayer. All other brands listed may be Trade Marks of other manufacturers and proprietary rights may exist. Use plant protection products safely. Always read the label and product information before use. Pay attention to the risk indications and follow the safety precautions on the label. For further information, including contact details, visit <a href="http://www.cropscience.bayer.co.uk/" target="_blank" style="background-color: rgb(255, 255, 255);">www.cropscience.bayer.co.uk</a> or call 0808 1969522. © Bayer CropScience Limited 2019</p></p></section>