Water and temperature parameters associated with winter wheat diseases caused by soilborne pathogens.

作者: Richard W. Smiley

DOI: 10.1094/PDIS-93-1-0073

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摘要: Smiley, R. W. 2009. Water and temperature parameters associated with winter wheat diseases caused by soilborne pathogens. Plant Dis. 93:73-80. Wheat in eastern Oregon is produced mostly as a 2-year rotation of summer fallow. Maximum agronomic yield potential expected early September planting dates but actual yields are generally highest for plantings made mid-October. Field experiments sequential from to December were performed over 4 years. Associations among yield, disease incidence, 19 moisture evaluated. Incidence Cephalosporium stripe, crown rot, eyespot, take-all decreased was delayed. Crown rot eyespot negatively correlated more significantly frequently than parameters, temperature. Rhizoctonia root unrelated date climatic parameters. identified most (4 5 tests) an important contributor suppression closely (R2 > 0.96) effects single only two five location–year tests. Yield related combinations three tests, complicating development modules growthsimulation models. Additional keywords: gramineum, Fusarium pseudograminearum, Helgardia herpotrichoides, Pseudocercosporella solani AG-8, Triticum aestivum

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