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--- library:articles:soybean_cyst_nematodes 2018/12/31 09:56
+++ library:articles:soybean_cyst_nematodes 2018/12/31 09:57 current
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-Each state has developed it's own method of determining the SCN population and practices to follow. Cysts was the generally adapted procedure in the beginning, today due to more resistance the preferred method of determination is by egg count. On May 8, 2018 Spectrum Analytic switched to reporting egg counts. Any reports prior to May 8, 2018 that you may need to reprint will say eggs and you will need to know that the old reports were a cyst count. Spectrum Analytic has chosen to use the University of Illinois procedure. These are similar to the guidelines of other Midwest SCN egg and cyst ranges and recommendations. Our interpretation is therefore based on this process. This process involves counting eggs. Our categories of infestation are as follows:
+Each state has developed it's own method of determining the SCN population and practices to follow. Cysts was the generally adapted procedure in the beginning, today due to more resistance the preferred method of determination is by egg count. **On May 8, 2018 Spectrum Analytic switched to reporting egg counts.** Any reports prior to May 8, 2018 that you may need to reprint will say eggs and you will need to know that the old reports were a cyst count. Spectrum Analytic has chosen to use the University of Illinois procedure. These are similar to the guidelines of other Midwest SCN egg and cyst ranges and recommendations. Our interpretation is therefore based on this process. This process involves counting eggs. Our categories of infestation are as follows:
 ^  Egg Count Per 100cc of Soil  ^  Cyst Count  ^  Population Level  ^  Management Strategies  |
 |  0  |  0  |  NONE DETECTED  | Monitor with periodic SCN egg counts, at least every 3rd year soybean is grown.  |