Harvista 1.3 — plant growth regulator, presented as a concentrate suspension containing the active ingredient 1-methylcyclopropene at a concentration of 1.3%. The product is intended for use on apple trees. It is applied once at a dosage of 8.75 to 11.7 liters per hectare. Harvista 1.3 helps regulate plant growth and provides optimal conditions for the development of fruit trees. The product is manufactured by AgróFres Holding France S.A.S., located in Paris, France. Using Harvista 1.3 allows effectively managing the growth and development of apple trees, ensuring quality care for plantations. Harvista 1.3 is applied by spraying crops at the specified dosages. The product is environmentally safe and achieves high efficiency with minimal impact on the ecosystem.