Rootstocks
Dusa®
Dusa® is the dominant leading avocado rootstock worldwide. It demonstrates good performance under various growing conditions. They are more root-rot tolerant and productive than Duke 7. Dusa® is widely planted in avocado-producing regions.

Rootstock

Dusa® (Merensky 2)


Geographic origin

South Africa (Plant Variety Rights protected)


Vigour

Medium, with the potential to grow vigorously on soils without Phytophthora cinnamomi.


Yields

Medium-High. Westfalia Fruit reports yield increases of 20% of Hass on Dusa® when compared to Hass on Duke 7.


Tolerance to Phythophthora cinnamomi

High. Is used on replanting sites where Phytophthora cinnamomi occurs.


Tolerance to Salinity

High


Tolerance to Frost

Medium

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Other cultivars & rootstocks
Steddom
Steddom exhibits high tolerance to Phytophthora cinnamomi and grows slowly when grafted with Hass.
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