Browse on keywords: disease WA tillage
Search results on 07/21/18
1819. Elliott, L.F. (ed.). 1987. STEEP - Conservation concepts and accomplishments.. Washington State Univ. Publ., 662pp..
A compilation of 48 papers covering: tillage and plant maagement; erosion and runoff predictions; plant design; pest management; socio-economic; integrated systems; technology transfer for cropping systems; 22 technical notes. T: many
8476. Brown, D.. 1990. USDA scientist announces farming breakthrough.. News, WSU CAHE Information Dept., WSU, Pullman, WA 99164.
Dr. Jim Cook announced a new one-pass no-till system that appears to solve some of the disease problems of the past. The drill uses paired rows 7" apart, with 17" between pairs. By placing a fertilizer shank in each row, rather than in the middle of the pair, soil diseases are discouraged and young diseased roots can still reach fertilizer and grow past the damage.
10903. Weller, D.M., R.J. Cook, E.N. Bassett, R.L. Powelson, and R.R. Peterson. 1986. Rhizoctonia root rot of small grains favored by reduced tillage in the Pacific Northwest.. Plant Disease 70:70-73.
The first field identification of Rhizoctonia root rot of wheat and barley was made in eastern Oregon and Washington at six different locations. At all sites where the disease occurred, the wheat or barley was either direct drilled into stubble, sown with minimum tillage, or sown the same day the soil was tilled. In experimental plots with winter wheat, there were 9.9, 2.8, and 1.4 patches per treatment in which no-till, reduced till, and conventional till, respectively, were practiced.
11007. Moore, K.J. and R.J. Cook. 1984. Increased take-all of wheat with direct drilling in the Pacific Northwest.. Phytopathology 74:1044-1049.
Take-all occurred more frequently or more severely on consecutive wheat crops seeded no-till into undisturbed stubble compared to plots with moldboard or disk plowing. This held true at three different climatic locations, for two seasons, and for winter and spring wheat. Differences in soil temperature and moisture could not account for the effect, nor did additional fertilization. Disease with no-till apparently was increased because of more infested debris and because the inoculum source was ideally positioned for infection of the crop.
11067. Cook, R.J. and J.T. Waldher. 1977. Influence of stubble-mulch residue management on Cercosporella foot rot and yields of winter wheat.. Plant Disease Reporter 61:96-100.
The stubble-mulch method of residue management at Pullman, WA, did not favor more Cercosporella foot rot than the moldboard plow method. Foot rot was generally less severe on wheat in stubble-mulched plots, apparently because of poorer wheat growth already in early fall. This poorer wheat growth in certain years was not corrected by benomyl application. In general, Cercosporella severity was directly proportional to plant size and vigor in the fall, regardless of tillage method.