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Merlot |
| Origin: | Bordeaux, France |
| Source: | Federal Research Station Geiweilerhof, West Germany |
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| Color: | Blue/black | Fruit Maturity: | Mid-late season |
| Clusters | Medium, cylindrical, shouldered | Wood Maturity: | Moderately late |
| Berry: | 12-17 mm, round | Cold Hardiness: | Tender - 2 |
| Cluster Compactness: | Well filled | Killing Temperature: | -9.4° |
| Disease & Disorders: | Botrytis, crown gall | Relative Vigor: | Moderate on C.3309 |
| Location | Year | Wt. (lb) | (%) | (grams) | (Tons/Acre) | Date | (%) |
| Fredonia | |||||||
| 1985 | 1.4 | 69 | 117 | 2.1 | 34629 | 21.7 | |
| 1986 | 2.5 | 56 | 79 | 2 | 34616 | 20.4 | |
| 1987 | 2.9 | 54 | 112 | 3.1 | 34599 | 21 | |
| Mean | 2.3 | 60 | 103 | 2.4 | 34605 | 21 | |
| Geneva | |||||||
| 1985 | 0.7 | 78 | 108 | 2.4 | 34624 | 21 | |
| 1986 | 2.1 | 84 | 136 | 4.5 | 34620 | -- | |
| 1987 | 3.1 | 67 | 98 | 3.3 | 34592 | 18 | |
| Mean | 2 | 76 | 114 | 3.4 | 34612 | 19.5 | |
| Hudson | |||||||
| Valley | 1985 | 0.8 | 51 | -- | 3.6 | 34600 | 17.3 |
| 1986 | 0.6 | 63 | 83 | 0.9 | 34593 | 20.3 | |
| Mean | 0.7 | 57 | 83 | 2.3 | 34596 | 18.8 | |
| Long Isle | |||||||
| 1985 | 1.9 | -- | 76 | 1.2 | 34611 | 17.4 | |
| 1986 | 3.8 | 56 | 117 | 2.9 | 34614 | 22.8 | |
| 1987 | 4.9 | 72 | 83 | 2.9 | 34614 | Rot | |
| Mean | 3.5 | 43 | 92 | 2.3 | 34613 | 20.1 |
| Summary: | Botrytis infections are not uncommon, but not a major problem in most years. The trunks are winter tender and subject to crown gall attack. Perhaps a more restirictive rootstock would help attain wood maturation. Because it ripens before the o |
| Recommendations: | Can only be recommended for superior sites. |
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