Avocado Clonal Rootstocks

Benefits of cloning

  • Trees of uniform and compact growth
  • More productivity
  • Tolerance to root diseases such as Phytophthora cinnamomi and Phytophthora citricola
  • Better adaptation to salinity and lime-induced chlorisis caused respectively by salt and calcium in soil and/or water

Duke 7


Proceso clonal. Entrada en cámara oscura
It comes from a Mexican seedling that was selected in the 50's by Dr. G. Zentmyer, but it was not marketed until mid-70s. It was the first variety of rootstock available against root rot caused by Phytophthora cinnamomi and is still recommended as rootstock in California and South Africa for its productivity.

This rootstock is vigorous, with good frost tolerance. Its tolerance to  is moderate but is more tolerant to Phytophthora citricola instead. Produce good fruit size early in the season. Tend to stay green in cool soils during winter when trees are more susceptible to chlorosis. Moreover, it induces a less alternate bearing than other rootstocks. It is not recommended for poor aerated soil, salinity problems or replanting.

Dusa (Merensky 2)


It's a Mexican rootstock. Hass avocado grafted on Dusa is more productive than on Duke 7. It has a high tolerance to salinity and root rot caused by Phytophthora cinnamomi. It is a new rootstock that is not yet widespread in Spain, however, is the most commonly used in California. This rootstock is suitable for replanting.

Toro Canyon


Mexican rootstock comes from a survivor of an area attacked by Phytophthora cinnamomi. It has high tolerance to cold and root rot caused by Phytophthora cinnamomi. It is very tolerant to Phytophthora canker or collar rot caused by Phytophthora citricola. Its moderate canopy size is a very efficient volume of fruit production. It is more tolerant to salinity than other Mexican seedling rootstock.

BROKAW ESPAÑA, S.L.
Fincas de Cabrillas y Las Alberquillas
Apartado de correos nº 87
29700 Vélez-Málaga. Málaga.
SPAIN

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