Slaked lime slurry against fruit tree canker

An opaque white liquid that quickly settles to the bottom if you stop shaking it. After application, the trunks and branches remain white for several weeks. Results are not guaranteed: they depend on the preparation, the time of application, and local conditions.

Application

When to use: Routinely

Opportunist: Fruit tree canker (Nectria) (Fungus)

⚠ Warning: the associations between recipes and opportunists come from other references (traditional practices, publications, user feedback). They are neither a recommendation nor a claim of effectiveness. There is no certainty regarding the preparation, application and use of these bio-preparations. See the regulations

Application description: Use approved by Implementing Regulation (EU) 2015/762 and its review report: pome and stone fruit trees, outdoors only, against fruit tree canker (Neonectria galligena = Nectria galligena) and other fungal diseases listed in the report. Timing: from late October to late December, during and after leaf fall, as a preventive measure before a period of high humidity; brush application during the winter. Spraying is permitted only on pome fruit trees to control canker.

Dose: Spraying (seeds and pits): 1.5–5 kg of calcium hydroxide per hL, 500–1,000 L/ha, 15–25 kg/ha per treatment; 2 to 7 applications spaced 5 to 14 days apart. Spraying (pome fruit only): 0.25–1 kg/hL, 5,000–10,000 L/ha, 25–50 kg/ha per treatment; 2 to 7 applications spaced 5 to 14 days apart. Dipping: up to 150 kg/ha, without added water, only on affected trees; 1 to 2 applications spaced 21 days apart.