Effect of Triazole Fungicide on the Growth of Creeping Bentgrass and the Number of Fungi in the Soil
2022
Jee, J.U. | Chun, S.C.
This study was conducted to determine the effect of a triazole-based fungicide on growth inhibition when used in the summer (period of growth decline) and spring or autumn (period of active growth) of creeping bentgrass in the field. Among all the fungicides tested in the present study, the metconazole and tebuconazole both as liquid formulation showed the most excellent effects on the plant growth inhibition of creeping bentgrass, and the improvement of leaf color and shoot quality. Also, those two fungicides had similar effects each other on the suppression of shoot growth of creeping bentgrass, on the improvement of turfgrass quality in both spring and summer, and on the antifungal effect suppressing the number of fungi in the soil. However, both fungicides showed less quality of leaf color and less ability to suppress the growth of aboveground parts than those of the trinexapac-ethyl as a liquid formulation. The present study indicated that the tebuconazole and metconazole application in the field were effective on suppressing above the ground growth of creeping bentgrass, on reducing the number of fungi in soil, and on the improvement of leaf color regardless of the season.
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