Early soybean diseases put the entire crop's production potential at risk

Published 2025년 12월 12일

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Early soybean diseases are among the main challenges for the good establishment of the crop. They attack the crop during germination, emergence, and the first stages of development, phases in which any loss can turn into irreversible damage. At this moment, another critical factor is the climatic alternation recorded in several producing regions, with short rains followed by periods of high temperature and low humidity, which has increased the risk of infection by soil pathogens.

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According to Diego Braga, Market Development Consultant at Conceito Agrícola, the impacts go far beyond the initial appearance of the crop. “When diseases appear early in the soybean, the loss is silent, but definitive. Plants with low health and vigor produce fewer branches, fewer productive nodes, and less biomass, which directly reduces the capacity to generate pods and grains. In addition, the root system becomes limited, the absorption of water and nutrients decreases, and the crop becomes more sensitive to stresses throughout the cycle. In practice, these factors translate into reduced productivity. And the impact is not only agronomic, it is economic. The producer faces replanting, extra applications of fungicides, and delayed cycle, which compromises the profitability of the entire crop,” he says. Main early diseases Among the most harmful diseases is damping-off, caused by the complex of soil fungi Rhizoctonia solani, Fusarium spp., and Pythium spp., which compromises ...

Source: Agrolink