| Gray leaf spot of perennial ryegrass turf in Pennsylvania. PJ Landschoot, BF Hoyland | 86 | 1992 |
| A comparison of visual vs. instrumental measurement of color differences in bentgrass turf. PJ Landschoot, CF Mancino | 64 | 2000 |
| Effect of nitrogen fertilizers on suppression of dollar spot disease of Agrostis stolonifera L. PJ Landschoot, AS McNitt | 61 | 1997 |
| Response of turfgrass to various nitrogen sources PJ Landschoot, DV Waddington Soil Science Society of America Journal 51 (1), 225-230, 1987 | 61 | 1987 |
| Magnaporthe poae sp. nov., a hyphopodiate fungus with a Phialophora anamorph from grass roots in the United States. PJ Landschoot, N Jackson | 58 | 1989 |
| Variation in Pathogenicity, Morphology, and RAPD Marker Profiles in Colletotrichum graminicola from Turfgrasses PA Back, PJ Landschoot, DR Huff Crop Science 39 (4), 1129-1135, 1999 | 50 | 1999 |
| Improving turf with compost. P Landschoot, A McNitt | 49 | 1994 |
| Inhibition of Pythium spp. and Suppression of Pythium Blight of Turfgrasses with Phosphonate Fungicides PJ Cook, PJ Landschoot, MJ Schlossberg Plant disease 93 (8), 809-814, 2009 | 46 | 2009 |
| Effects of soil reinforcing materials on the surface hardness, soil bulk density, and water content of a sand root zone AS McNitt, PJ Landschoot Crop science 43 (3), 957-966, 2003 | 41 | 2003 |
| Gaeumannomyces incrustans sp. nov., a root-infecting hyphopodiate fungus from grass roots in the United States. PJ Landschoot, N Jackson | 40 | 1989 |
| Taxonomy and biology of ectotrophic root-infecting fungi associated with patch diseases of turfgrasses PJ Landschoot Turfgrass patch diseases caused by ectotrophic root-infecting fungi, 1993 | 32 | 1993 |
| Shedding some light on anthracnose basal rot P Landschoot, B Hoyland Golf Course Management 63 (11), 52-55, 1995 | 29 | 1995 |
| Sorting out the phosphonate products P Landschoot GCM 73, 73-77, 2005 | 28 | 2005 |
| Evaluation of the playing surface hardness of an infilled synthetic turf system DM Petrukak, AS McNitt, PJ Landschoot I International Conference on Turfgrass Management and Science for Sports …, 2003 | 28 | 2003 |
| THE EFFECTS OF SOIL REINFORCING INCLUSIONS IN ANATHLETIC FIELD ROOTZONE AS McNitt, PJ Landschoot | 26 | 2001 |
| Effects of turfgrass, cutting height and soil conditions on traction AS McNitt, PJ Landschoot, DV Waddington I International Conference on Turfgrass Management and Science for Sports …, 2003 | 25 | 2003 |
| Using composts to improve turf performance P Landschoot Publications Distribution Center, Pennsylvania State University Cooperative …, 1996 | 23 | 1996 |
| Fungi similar to Gaeumannomyces associated with root rot of turfgrasses in Florida. ML Elliott, PJ Landschoot | 23 | 1991 |
| Effects of dew removal and mowing frequency on fungicide performance for dollar spot control TC Delvalle, PJ Landschoot, JE Kaminski Plant disease 95 (11), 1427-1432, 2011 | 22 | 2011 |
| Effect of dazomet on annual bluegrass emergence and creeping bentgrass establishment in turf maintained as a golf course fairway BS Park, PJ Landschoot Crop science 43 (4), 1387-1394, 2003 | 22 | 2003 |
