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How to Manage Pests

Pests in Gardens and Landscapes

Vigor and Decline Susceptibility of Bartlett Pear Grown on Different Rootstocks

Rootstock Decline Susceptibility Vigor
Bartlett seelding
 Low Low to moderate

Winter Nelis seedling

Low Moderate
Old Home X Farmingdale rooted cutting Low Moderate, but varies with numbered selection
Pyrus betulaefolia Low Very high
Pyrus callereyana
Moderate to high High to very high
Quince Moderate Low

Statewide IPM Program, Agriculture and Natural Resources, University of California
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