The Influence Of Iron Sulfate Application Interval On The Suppression Of Microdochium Patch On An Annual Bluegrass Research Green In Western Oregon
CROP FORAGE & TURFGRASS MANAGEMENT(2019)
摘要
Core Ideas Two pounds of Iron sulfate heptahydrate per thousand square feet applied every two weeks suppresses Microdochium patch more consistently than a four week application interval and more effectively than a six or eight week interval at the peak of disease. Regardless of the iron sulfate application interval, the turfgrass quality was considered unacceptable because of either a lack of complete disease control or turfgrass thinning caused by the iron sulfate treatments. Future research will be necessary to determine if it is possible to move away from a calendar based spray schedule by developing a weather based application model.
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关键词
annual bluegrass research green,iron sulfate application interval,microdochium patch
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