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[Solanum lycopersicum] Canestrino di Lucca tomato seeds, ancient Tuscan heirloom variety, firm sweet low-acid flesh.
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Canestrino di Lucca tomato is an ancient Tuscan variety, grown for over a century in family gardens around Lucca and listed in the Tuscany Region Biodiversity Register since 2015.
It belongs to the species Solanum lycopersicum, family Solanaceae. An indeterminate-growth plant with widely spaced trusses; fruits are pear-shaped on the lower trusses and become ribbed higher up, with a characteristic green colour persisting near the stem.
Sow in a heated seedbed from February to June, with soil temperature between 20 and 25°C; transplant into the field after the last frosts.
It is grown only vertically, staked on canes or wire, and requires more care than other varieties; it prefers fertile, well-drained soil with regular watering.
Harvest at full ripeness, when it holds well on the plant for several days; summer heat and drought can cause small surface cracks, considered a distinctive trait of the variety.
It can be affected by downy mildew, alternaria and blossom-end rot in case of irregular watering; crop rotation and good ventilation help prevent the main plant diseases.
Thanks to its low water content and firm flesh, it is excellent fully ripe in salads, but also for fresh sauces, preserves and even freezing.
Rich in lycopene, vitamin C and potassium, canestrino tomato has antioxidant properties and a sweet flavour thanks to its high sugar content and low acidity.
Per 100 grams, canestrino tomato provides about 18 kcal, 0.9 g protein, 3.9 g carbohydrates, 0.2 g fat and 1.2 g fibre.