Neo-Stop L 500 — plant growth regulator containing chlorpropham at a concentration of 500 g/l. The preparation is used for potatoes and is intended for application after harvest. Treatment is carried out 4-6 weeks after harvest, then repeated every 2-3 months. This helps control plant growth and prevent the development of undesirable shoots. The preparation is used as a concentrate suspension, which is diluted before application. The dosage is 24 ml per ton of potato tubers. Number of applications — 3 times with an interval of 2-3 months after the first application. Neo-Stop L 500 is produced by Arista LifeScience Benelux s.p.r.l., based in Belgium. The preparation is widely used in agricultural practice and meets all requirements established for plant protection products.