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 six months or less, in unheated hoophouses, or with small-fruited (less than 100 gm) varieties. Good disease package for soil. High resistance to Fusarium races 1–3, 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 organically primed to improve germination. Organically grown. Avg. 21,400 seeds/oz.
SCIENTIFIC NAME: Solanum lycopersicum CULTURE: For more information on grafting with rootstock tomatoes, please refer to one of our production guides: Top Grafting Tomatoes or Side Grafting Tomatoes. 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. After cotyledons (first leaves) 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. 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). TRELLISING: We recommend pruning the plants to 1-2 stems and trellising up a string. HARVEST: Fully vine-ripen fruit only for local retailing or use. Pick fruit less ripe the further the distance and the longer the time between harvest and the customer. DISEASES AND PESTS: Use crop rotation or new media to reduce soil-borne disease problems. Regularly schedule releases of beneficial insects to control pests. TRANSPLANTS: Avg. 950 plants/1,000 seeds.
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Days To Maturity
Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.
Disease Resistance Codes
Fusarium Wilt (Races 1, 2, and 3)
Fusarium Crown and Root Rot
Resistant to Leaf Molds A-E
Tomato Mosaic Virus
Tomato Spotted Wilt Virus
Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits. Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next.
Variety that we have found, based on our trials, to be the best performers in a climate-controlled greenhouse environment.
Organic Seeds, Plants, and Supplies
Plants, or seeds harvested from plants, that have been grown without synthetic fertilizers or pesticides, strictly adhering to the USDA's National Organic Standards Board (NOSB) organic gardening practices are designated as Organic.
Supplies that meet the USDA's National Organic Program (NOP) rules according to a third-party authority such as OMRI, WSDA, and/or a local authority such as MOFGA or NOFA.
Variety that can be grown successfully using hydroponic growing methods, such as NFT (Nutrient Film Technique), DWC (Deep Water Culture), or other soilless growing systems.