Comparative Efficacy of Fungicides for Management of Downy Mildew of Broccoli in 2004
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AbstractDowny mildew of broccoli, cauliflower and cabbage is caused by the oomycete pathogen Peronospora parasitica. Cool moist environmental conditions favor the development of downy mildew on these crops. Several fungicides were evaluated individually or combined with another material (applied as a mixture or in a rotational program) for control of this disease on broccoli in 2004. A moderate level of disease had developed by crop maturity. Tanos+maneb provided the best reduction in disease among treatments. Other treatments that performed well included Tanos alternated with Maneb, Actigard, Reason alternated with Aliette, Reason alternated with Maneb, Maneb, and Serenade+Sonata.
Series/Report no.Series P-139