Effects of water potential and temperature on the development of eyespot lesions in wheat

A - Papers appearing in refereed journals

Higgins, S. and Fitt, B. D. L. 1985. Effects of water potential and temperature on the development of eyespot lesions in wheat. Annals of Applied Biology - AAB. 107 (1), pp. 1-9. https://doi.org/10.1111/j.1744-7348.1985.tb01541.x

AuthorsHiggins, S. and Fitt, B. D. L.

Growth of Pseudocercosporella herpotrichoides on potato dextrose agar at water potentials from ‐0.5 to ‐6.9 MPa was optimal at 20°C. At 12 and 20°C, six isolates of P. herpotrichoides grew more rapidly at ‐0.5 to ‐2 MPa than at ‐6.9 MPa. Wheat plants inoculated with P. herpotrichoides and grown in columns of soil at either 15 or 20°C developed more severe eyespot lesions under a heavy watering regime than under medium or light watering regimes. P. herpotrichoides penetrated leaf sheaths of inoculated plants grown in compost more rapidly at 10°C night/15°C day temperatures than at 5/10°C; death of leaf sheaths was also more rapid and consequently there were fewer living infected leaf sheaths at 10/15°C than at 5/10°C. Irrigating for 5 wk before harvest increased the severity of eyespot lesions in a 1983 wheat crop.

Year of Publication1985
JournalAnnals of Applied Biology - AAB
Journal citation107 (1), pp. 1-9
Digital Object Identifier (DOI)https://doi.org/10.1111/j.1744-7348.1985.tb01541.x
Open accessPublished as non-open access
Output statusPublished
Publication dates
PrintAug 1985
Copyright licenseCC BY

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