12/19/2023 0 Comments Fungicide for southern blightBenefits of Protecting the Upper Canopyĭuring the grain fill period of corn growth, the developing kernels are the primary sink for the photosynthate produced by the plant. The demand of the developing kernels for photosynthate takes priority and as a result, a corn plant does what it can to produce grain, sometimes at the expense of the health of other plant parts including the roots and lower stalk. A proactive fungicide application may be warranted to help decrease the potential for diseases to limit yield potential. Portions of a field that border tree lines, creeks or ponds may also be a factor. Planting susceptible seed products or products with a history of stalk health issues can influence the likelihood of disease development. Corn Fields that are Considered High Risk for Fungal InfectionsĬontinuous corn fields, fields with a previous history of fungal disease(s), and cultural practices like no-till or conservation tillage that leave high amounts of residue on the soil surface may increase the risk of infection. In addition, there are fungicides that can induce changes in the plant to reduce susceptibility to fungal infections but are not specifically toxic to the pathogen. Some fungicides interfere with disease growth and reproduction while others provide a barrier that inhibits spore germination. While corn can be infected by fungal, bacterial or viral diseases, fungicides are only active on fungal diseases. Fungicides are products that may prevent or reduce the impact of diseases caused by fungi.
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