News about San Jose scale

San José scale: a threat to nursery production even in protected environments

Nurseries

16 May 2025

A three-year study in Bulgaria shows that San Jose scale severely damages apples, cherries and plums grown both in protected and open fields. Infected propagation material significantly worsens plant quality and growth in nurseries.

Controlling San José Scale with new chemicals: a possible solution?

Crop protection

03 Jun 2024

A US study evaluated the efficacy of two San Jose mealybug defence programmes in black cherry using Sivanto Prime 200SL and flupyradifuron 300SL. Due to the slow onset of action of the treatments, the results did not show significant data.