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Effectiveness of Huwa-San TR50 on Tomato Russet Mite Aculops lycopersici (Massee) (Acari: Eriophyideae)

Effectiveness of Huwa-San TR50 on Tomato Russet Mite Aculops lycopersici (Massee) (Acari: Eriophyideae)

Mahmoud M. Al-Azzazy1,2 and Saleh S. Alhewairini1,*

1Department of Plant Production and Protection, College of Agriculture and Veterinary Medicine, Qassim University, P.O. Box 6622, Buraidah 51452, Al-Qassim, Saudi Arabia
2Agricultural Zoology and Nematology Department, Faculty of Agriculture, Al-Azhar University, Cairo, Egypt

*      Corresponding author: hoierieny@qu.edu.sa

 

Fig. 1.

The difference between the IC50 values for the effects of Huwa-San TR50 on both tomato russet mite A. lycopersici and the predatory mite, (N. cucumeris Oudemans) (Acari: Phytoseiidae) under laboratory conditions (LC) and greenhouse conditions (GC).

Fig. 2.

Effects of Huwa-San TR50 on the average mortality on larvae hatching from eggs of the tomato russet mite under greenhouse and laboratory conditions after one week of exposure, expressed as a percentage of the control mortality in well water. Each point is the mean ± SEM of 5 replicates, but in most cases, the error bars are smaller than the symbols used. The lines were fitted using a non-linear regression (log (inhibitor) vs. normalized response- variable slope) in Graphpad Prism 7 with the maximum plateau being 80% and the minimum being 0%.

Fig. 3.

Effects of Huwa-San TR50 on the average mortality of tomato russet mite A. lycopersici and the predatory mite (N. cucumeris Oudemans) after one week of exposure, expressed as a percentage of the control mortality in well water. Each point is the mean ± SEM of 4 replicates, but in most cases, the error bars are smaller than the symbols used. The lines were fitted using a non-linear regression (log (inhibitor) vs. normalized response- variable slope) in Graphpad Prism 7 with the maximum plateau being 110% and the minimum being 0%.

Corrected %

Pakistan Journal of Zoology

April

Vol. 50, Iss. 2, Pages 401-797

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