Effect of Sustane Natural Fertilizer on Diseases of Cool-season Turfgrasses

TurfDis8Eric Nelson, Ph.D. Cornell University, Ithaca New York, 1991-1996

Turf management with natural organic fertilizers and the suppressiveness of compost amendments to turfgrass disease. 

Of all the natural organic materials commonly applied to turfgrasses, composted amendments have been among the most consistently effective in reducing the severity of turfgrass diseases. Composted turkey litter (Suståne) and other poultry manure composts are consistently more suppressive to a wider range of diseases than are brewery and municipal biosolids in field experiments.



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Effect of Various Nitrogen Sources, Organic Amendments, and Biological Control Agents on Turfgrass Quality and Disease Development

TurfDis7M. D. Soika and P. L. Sanders - Department of Plant Pathology, The Pennsylvania State University, University Park, Pennsylvania, 1990

Excellent suppression of brown patch was obtained with Ringer Experimental 1, Ringer Experimental 2, Sustane, and ASC 66912.



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Disease and Quality Ratings of Bentgrass Greens Fertilized with Suståne

TurfDis6Karl Guillard and William Dest , University of Connecticut, Department of Plant Science, 1997-1998

The purpose of the research is to determine the effects of Suståne on golf course bentgrass quality, particularly with respect to diseases.



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Organic Fertilizers—A Risk Factor for Black Turfgrass Ataenius?

Daniel A. Potter, University of Kentucky, Turfgrass Trends, July-August 2001TurfDis3

Black Turfgrass ataenius (BTA), a small white grub, is a sporadic, severe pest of golf courses in regions where cool-season turfgrasses are grown. Superintendents who normally don’t expect to see grub injury until late summer may be surprised to find high densities of BTA grubs damaging fairways, tees, collars, and putting greens in June. My recent research suggests that use of certain organic fertilizers may be a risk factor for this pest.



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The Biological Control of Turfgrass Diseases

Eric B. Nelson, Ph.D., Cornell UniversityTurfDis2

The management of turfgrass diseases has become one of the more challenging and constintensive aspects of turfgrass maintenance and culture. More money per acre is spent annually for disease control in turfgrasses than on any other commodity. One of the more exciting alternative strategies being explored is the use of biological controls.



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Reduced Pesticide Approaches Towards the Control and Management of Summer Decline of Mixed Stands of Annual Bluegrass (Poa Annua L.) and Bentgrass (Agrostis sp.) in Coastal California Golf Courses

TurfDis1Nigel M. Grech, Howard D. Ohr, Steven D. Campbel, Ray Festa, and Tom Massey, Department of Plant Pathology, University of California Riverside, California

Morro Bay Golf Course, Department of General Services, Morro Bay, California, 1995-1996

Our group has studied the Anthracnose disease complex, and in this article report on the effectiveness of certain bio-rationale approaches to the management of this devastating malady of recreational turf.



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