Retardant
Retardants are plant growth regulators that inhibit stem elongation, helping to produce shorter, thicker, and stronger stems to prevent lodging.
Также говорят: growth retardant, plant growth regulator, anti-gibberellin
The primary purpose of using plant growth retardants is to improve standability in cereal crops. By shortening internodes and thickening the cell walls, these substances reduce the risk of crop lodging caused by heavy rain, wind, or high nitrogen application.
Application timing is crucial and typically occurs during the early stem elongation phase. It is essential to avoid applying these products when the crop is already under stress from drought or nutrient deficiency, as this can severely impact plant development and yield potential.
Common application errors include choosing the wrong growth stage and failing to adjust dosages based on local weather conditions. Over-application can lead to stunted growth and reduced biomass, while under-application may fail to provide the intended structural support to the crop.