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The obtained results suggest
that the tested lines were susceptible to the attack, and that in
years climatically favourable for the occurrence and development of
Fusarium graminearum, severe outbreaks of this disease on
spikes can be expected. It inevitably leads to high yield reductions,
and in seed production of these lines created danger of severe
infection which can result in failure to obtain certificate for seeds
as commodity, according to our current regulations.
Other diseases that occurred, first of all powdery mildew on leaves
were of the same intensity in all variants of trials and did not have
any effect on ultimate results of trials.
Instead of a conclusion, one needs to emphasize that in some years
the problem of fusarium head blight is pronouncedly manifested. In
our struggle for reduced influence of this fungus on yield, all
available means should be used -- from cultural practices to
development of resistant and tolerant varieties. Unfortunately,
chemical protection does not give reliable and safe effects at
presents, but they seem to be sporadic and depend more on timing
rather than on the effectiveness of the fungicide itself.
Author's would like to thank Viktorija Vlahavic M. Sc. for her
identification of Fusarium species.
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