• I harvest some infected leaves with S. turcicum patches.
  • I dried them during 4 days at 30-35°C. 
  • In which form do you think it is better to conserve it ? Leafs, powder ?

    In which conditions ? In a cold chamber ? (6-8°C and H2O%=50%)?

    How long can I preserve theses spores in well-adapted storage conditions?

    Many thanks in advance for all the answers!

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