Threshold concepts in weed science refer to the critical levels of weed infestation or density that trigger the need for control measures. Determining ets or action thresholds of weeds involves methods that can measure and predict the level of weed infestation. Adopting economic threshold weed control farming practices typically reduces herbicide costs while maintaining profitability
Soil seedbank dynamics, which are a legacy of previous weed control efficacy, complicate threshold development Researchers have identified at what point during the growing season weeds can inflict the most damage on a crop’s potential yield. This becomes even more complicated since seed from different weed species survive and germinate in different environmental conditions.
Critical period of weed control is a threshold commonly used, which is relative to time from planting date
