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A Threshold Value for Cutting Intensity in Relation to Fusarium Root Rot of Red Clover ( Trifolium pratense L.)
Author(s) -
Rufelt S.
Publication year - 1987
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1111/j.1439-0434.1987.tb00459.x
Subject(s) - red clover , root rot , biology , fusarium , agronomy , greenhouse , horticulture , inoculation , botany
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 II’ 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.