Rootstock Parentage Compatibility Vigor AnchorageDrought

ToleranceSalinity

ToleranceAlkalinity Tolerance

Boron Tolerance

"Wet Feet" Tolerance Suckering

Lovell Peach Good Low Low Low Low Low Low Medium Low

Nemaguard Peach Good Medium Medium Low Medium Low Low Low Low

NemaredRed-Leafed

Peach GoodMedium-

Low Low Low Low Low Low Low LowPeach-Almond

Hybrids (Hanson, Brights, Nickels,

Cornerstone, Paramount

(GF677))

Peach x Almond Good High High Medium High High* High* Very Low Low

Marianna 2624 PlumNot compatible with

Nonpareil, Livingston; Marginal compatibility with Butte/Monterey

Low High Low Low Low Low High High

AtlasPeach x Almond

X Apricot X Plum Good

Medium-High Medium Medium* High* High* High* Low Low

Ishtara Plum x Wild Peach X Peach Unknown Low Unknown Unknown Medium* High* High* High Low

Krymsk-86 Peach X Plum Unknown Medium High Low* Low* Low* Low* High Low

Red TitanRed Leafed

Peach X Almond GoodMedium-

HighMedium-

High Medium* High* High* High* Very-Low Low

Viking

Peach x Almond X Apricot X

Plum Good MediumMedium-

High Medium* High* High* High* Low Low

* These qualities have been defined through the breeding program or observations of plantings. The exact degree of tolerance is unknown due to lack of field trials with these rootstocks. Traits will be updated when data becomes available.

Horticultural Characteristics of Several Commercially Available Almond Rootstocks (2010)

Rootstock ParentageRootknot

NematodeRing

NematodeLesion

NematodeBacterial Canker Phytophthora

Crown Gall

Armillaria (Oak Root Fungus)

Lovell Peach High Low Medium Low Medium Medium Medium

Nemaguard Peach Resistant Medium Medium Medium Medium Medium Medium

Nemared Red-Leafed Peach Resistant Medium Medium Medium Medium Medium Medium

Peach-Almond Hybrids (Hanson, Brights, Nickels, Cornerstone, Paramount

(GF677))

Peach x AlmondMost are

Resistant – Paramount is susceptible

High Low High High High Medium

Marianna 2624 Plum Resistant High Medium High Low Low Low

Atlas Peach x Almond X Apricot X Plum

Resistant High Medium High Medium-High* Medium-low*

Medium

Ishtara Plum x Wild Peach X Peach

Resistant High Medium High Low Low Low

Krymsk-86 Peach X Plum High High Medium High Low Low Low

Red TitanRed Leafed Peach X

AlmondResistant High* Low High* High High* Medium

VikingPeach x Almond X Apricot

X PlumResistant Low Medium Low Medium-High* Medium-

Low*Medium

Disease Management Characteristics of Several Commercially Available Almond Rootstocks (2010)

* These qualities have been defined through the breeding program or observations of plantings. The exact degree of tolerance is unknown due to lack of field trials with these rootstocks. Traits will be updated when data becomes available.