Presenter Information

G H. Horeman, PAGV

Publication Date

1989

Description

Significant seed yield increases were obtained (Hampton and Hebblethwaite, 1984) to fungicide application before ear emergence only, but the effects of fungal pathogens on the rye­ grass seed crop could not be assessed. After application of _ propiconazol before anthesis significant seed yield increases were obtained, even in absence of fungal pathogens (Horeman 1987). In this paper results of two experiments are presented. The aim was to investigate whether yield increases after fungicide application is consistent over the years and to find an explanation for these increases.

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Effect of Fungicides on Perennial Ryegrass Seed Production

Significant seed yield increases were obtained (Hampton and Hebblethwaite, 1984) to fungicide application before ear emergence only, but the effects of fungal pathogens on the rye­ grass seed crop could not be assessed. After application of _ propiconazol before anthesis significant seed yield increases were obtained, even in absence of fungal pathogens (Horeman 1987). In this paper results of two experiments are presented. The aim was to investigate whether yield increases after fungicide application is consistent over the years and to find an explanation for these increases.