See reports for information about these experiments conducted in 2021 at LIHREC (click on publication year to download report; all are also available at Plant Disease Management Reports website):
- McGrath, M. T. and Downing, C. T. 2022. Efficacy of biopesticides for managing powdery mildew in pumpkin, 2021. Plant Disease Management Reports 16:V110.
- McGrath, M. T. and Downing, C. T. 2022. Efficacy of biopesticides applied with conventional fungicides for managing powdery mildew in pumpkin, 2021. Plant Disease Management Reports 16:V111.
Evaluation of Biopesticides for Powdery Mildew in Pumpkin (experiment 1)
A copper fungicide approved for organic production (Kocide 3000-O) was included for comparison.
Application dates were 1=27 Jul, 2=2 Aug, 3=10 Aug, 4=17 Aug, 5=26 Aug, and 6=31 Aug.
The following photos of plots were taken on 10 September, 11 days after the last application for the treatments.
Evaluation of Biopesticides and Conventional Fungicides for Powdery Mildew in Pumpkin (experiment 2)
Application dates were 1=27 Jul, 2=3 Aug, 3=10 Aug, 4=17 Aug, 5=26 Aug, 6=31 Aug, and 7=7 Sep.
The following photos of plots were taken on 10 September, 3 days after the last application for the treatments.
