Rootstock comparison table
Rootstock | M40 |
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Summary | M40 is compatible with many prunes, apricots and Japanese plums. Its almond compatibility is similar to ‘Marianna 26-24’ and is incompatible with peaches, nectarines and some almond varieties. |
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Using
M40 | |
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Species compatibility | Japanese plum European plum Apricot |
Vigour % of standard | 85% |
Growing
M40 | |
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Rootstock size class | Vigorous |
Support required | Free-standing |
Climate
M40 | |
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Cold-hardiness | Cold-hardy |
Identification
M40 | |
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Developer | University of California Davis Plant Breeding Center |
Country of origin | United States |
Problems
M40 | |
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Phytophthora | Some resistance |
Bacterial canker | Some susceptibility |
Root knot nematode | Some resistance |
Honey / Oak root fungus | Some resistance |
Root suckers | Few |