A threshold value for cutting intensity in relation to Fusarium root rot of red clover (Trifolium pratense L.)
1987
Rufelt, S. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Plant and Forest Protection)
Although cutting the foliage is known to increase Fusarium root rot severity in red clover (Trifolium pratense L.), no quantitative relationship has so far been determined. In this study, results from a number of greenhouse experiments, where plants were artificially inoculated with Fusarium avenaceum (Corda ex Fr.) Sacc., show a linear relationship between cutting intensity and Fusarium root rot in red clover, cv. 'Hermes 2', an increased cutting intensity giving an increased root rot severity. Theoretically, a threshold value can be calculated beyond which no increase in root rot severity, compared to an uncut plant, should be expected
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