Relative Scion Vigour: Moderate
Rootknot Nematode Resistance: Moderate
Dagger Nematode Resistance: Moderate
Root Lesion Nematode Resistance: Low
Phylloxera Resistance: Moderate
Lime Tolerance: Low
Drought Tolerance: Low to Moderate
Root Strike: Good
General Comments:
1613 Courdec is best suited to moist fertile sandy/sandy loam soils. Not suited to finer textured soils in cooler climates. Outperformed by many other rootstocks.