Effects of tillage system and forecrop type on frequency of Fusarium culmorum and F. avenaceum occurrence on culm base of some winter wheat (Triticum aestivum L.) cultivars

In the years 2001 - 2003, there were analyzed relations between the number of Fusarium culmorum and F. avenaceum, fungi found on culm base parts of stalks of seven winter wheat cultivars, and preceding crop type as well as the cultivation system. The research was carried out in Poland, on light soil plots of a Lower Silesia-based experimental station subordinate to the Institute of Soil Science and Plant Cultivation (IUNG). The loglinear and correspondence analyses proved varying immunity of particular wheat cultivars to F. culmorum and F. avenaceum fungi. There were also observed significant differences in Fusarium diseases of wheat as dependent on precipitation and temperature in the growing season. The Kobra cultivar was highly resistant to F. avenaceum. The lowest amounts of F. culmorum fungi were detected in the culm base parts of the Izolda cultivar. The cultivation of corn, as a preceding crop for oats and for spring wheat, did significantly differentiate varieties of fungi in the cultivation systems examined. In the plough cultivation system, wheat was mainly infected by Fusarium culmorum, whereas in direct sowing, particular cultivars of wheat were mostly infected by F. avenaceum.

Abstract licence: CC BY

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