Frambuesa

Raspberry Spur Blight

Didymella applanata

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Resumen

  • Blue or violet spots & spore blisters on the shoots.
  • Bark bursts open.
  • Early leaf drop.

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0 Cultivos

Frambuesa

Síntomas

Blue to violet spots appear on the shoots and the bark bursts open. Subsequently, the spore cushions form blisters on the shoots. The plant drops its leaves early in the year. In spring the affected shoots do not sprout.

Recommendations

Control orgánico

Remove infected shoots. After an infection, use a plant fortifier, so the plants are able to fight the fungi. You can choose more resilient varieties, such as Glen Moy, Glen Rosa, Julia, Malling Admiral or Leo.

Tratamiento químico

Fungicides based on Lime Sulfur or Captan/Fenhexamid mixtures can be used.

Qué lo causó

The pathogen enters the plant with humid spring weather and hibernates in the affected shoots.

Medidas preventivas

  • Balanced nutrition supply is important.
  • Injuries should be avoided.
  • Leave sufficient distance between plants.
  • Apply plant fortifier.

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