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      Tetraploid Mixture

      Germinal’s Tetraploid Mixture is a specialist agricultural grass seed mix for overseeding in intensive grazing systems.

      Overseeding helps rejuvenate swards with minimal time out of production. If you are looking to overseed grass swards damaged by poaching, the Tetraploid Mixture is the best option for you.

      Tetraploid grass seed

      The heavier seeds of high-quality perennial ryegrass varieties contained within the mixture give it the ability to establish rapidly.

      The larger, more upright, leaves also make the swards easier to graze. The more open growth habit of these grasses, however, makes this mixture less suited to heavier soil types due to an increased risk of poaching.

      Key benefits

      • Increased palatability driving higher intakes
      • High-quality tetraploid grasses giving superior animal performance
      • Excellent sward utilisation
      • Suited to overseeding to repair damaged swards
      • Rapid establishment
      kg/acre Variety Type Heading date
      4.00 Gracehill Perennial ryegrass (T) 04 June
      4.00 Ballintoy Perennial ryegrass (T) 04 June
      4.00 Dunluce Perennial ryegrass (T) 29 May
      12.00

      Notes: Farms in derogation are required to sow a minimum of 0.6 kg uncoated clover seed or 1.0 kg coated clover per acre when reseeding. This tetrapolid grass seed mixture does not contain clover. If required, please request clover or speak to one of our sales team for advice.

      Ask an expert

      To learn more about Tetraploid Mixture or any of our agricultural grass seed mixtures, please ask a Germinal expert today.

      Sowing rate: 14 kg/acre (35 kg/ha)

      Sowing time: April-September

      Sowing depth: 10-15 mm

      Sowing instructions: Cultivate to achieve a fine, firm seedbed. Ploughing will help level rough fields. Sow in good conditions (warm with rain forecast), no deeper than 10-15 mm. Roll well after sowing to ensure good soil/seed contact. Apply N, P & K as per soil test results and nitrates rules.

      After sowing: Monitor for pest attack and take immediate action where necessary. Post-emergence weed spray is essential approx. 5-6 weeks after establishment, prior to first grazing. Where clover is included in the sown mixture, use a clover safe spray.

      Grazing: Graze the new reseeds frequently and at low covers (<1200 kg DM/ha) to assist in tillering and help create a dense sward.

      Uses: Dairy – Y; cattle – Y; sheep – Y; silage – Y