Estamino (F1) Tomato Seed
Estamino is a strong, generative rootstock that puts a high proportion of energy into fruit. Easier to balance than Maxifort. Especially useful for tomatoes in cultivation for less than six months, in unheated hoophouses, or with small-fruited (less than 100 gm) varieties. Also pairs well with Marnero, Margold, and Marbonne. High resistance to Fusarium wilt races 1, 2, and 3, Fusarium crown and root rot, leaf mold, nematodes, tomato mosaic virus, tomato spotted wilt virus, and Verticillium wilt. For use as rootstock only. Seed has been primed to improve germination. Avg. 345,700 seeds/lb.
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Maintaining a constant temperature of 80-82-F (27-28-C) from the time of planting until germination is ideal for optimum germination. We recommend verifying the temperature with a soil probe.
CULTURE: For more information on grafting with rootstock tomatoes, please refer to one of our production guides: Top Grafting Tomatoes or Side Grafting Tomatoes. Maxifort rootstock can lead to uneven germination in some conditions; if grafting to Maxifort, see our Maxifort production guide for tips on mitigating this issue. After cotyledons (first leaves) have expanded, fertilize with a complete nutrient solution (EC 1.0, pH 5.8) or equivalent as needed to keep plants dark green and healthy; increase EC as plants grow. Once the grafted plants have healed, continue by growing and managing the plants as you would normally. Grow plants at 66-68°F (19-20°C) day and night temperature. When transplanting into the greenhouse, maintain 73-77°F (23-25°C) day and night temperature for a few days after transplanting to promote rapid vegetative growth and root establishment. Once fruit begins to set, lower night temperature to 62-66°F (17-19°C) and keep a daytime temperature of 68-72°F (20-22°C).
DISEASES AND PESTS: Regularly schedule releases of beneficial insects to control pests.
TRANSPLANTS: Avg. 950 plants/1,000 seeds.
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