Preventive management is key to avoiding phytotoxicity

Published 2025년 10월 23일

Tridge summary

The occurrence of weeds "in the clean" in direct planting systems is a recurring challenge in subtropical summer crops, requiring special attention to herbicide management. According to Guilherme Oliveira, a product developer for corn at GDM Seeds, the adoption of preventive strategies is essential to avoid productivity losses and reduce the risks of phytotoxicity.

Original content

The occurrence of weeds "in the clean" in direct planting systems is a recurring challenge in subtropical summer crops, requiring special attention to herbicide management. According to Guilherme Oliveira, a corn product developer at GDM Seeds, the adoption of preventive strategies is essential to avoid productivity losses and reduce the risks of phytotoxicity. The use of post-emergent herbicides as a corrective measure can cause sensitivity symptoms in the hybrid, especially when associated with factors such as high dosage, more aggressive formulations, and adverse climatic conditions that enhance the absorption of the product. Although the post-emergent application eliminates the weeds, the biological cost imposed on the plant is high, resulting in stress and lower productive performance. Technical recommendations indicate early desiccation of the area with products that do not have a residual effect that compromises the germination and initial development of the corn. ...
Source: Agrolink

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