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- Title
Evaluation of the efficacy of Canfor oil and Bifenthrin on eggs and adults of red two-spot mite Acariformes: Tetranychidae (Kock)) Tetranychus urticae on cowpea in laboratory.
- Authors
Meteab, Husham Romeel; Saboori Naji, Hussein Rasim; ALKallbe, Haidar Hussein; al thahawi, Saleh Hussein
- Abstract
Experiments were conducted to evaluate the efficacy of Canfor oil applied at rates of 0.5, 1, 1.5 and 2 ml/L and Bifenthrin applied at rates of 0.25, 0.5, 0.75 and 1 ml/L on the roles of adults and eggs of two-spot mites (Acariformes: Tetranychidae)) ) Tetranychus urticae on the cowpea plant Vigna unguiculata. L. The results of the practical experiment showed that eucalyptus oil at concentrations 0.5, 1, 1.5 and 2 ml / L, respectively, caused the morality of adult mites at a rate of 37.21, 67.43, 83.72 and 95.34 % after 72 hours of treatment.It led to a reduction in the egg hatching rate to 63.33, 43.33, 30 and 20% at the same mentioned concentrations, respectively, after 7 days of treatment, while the comparison treatment recorded a hatching rate of 100% after the same mentioned time period. As for Bifenthrin, at concentrations of 0.25, 0.5, 0.75 and 1 ml / L, respectively, it morality Mite adult by 37.21, 93.02, 100 and 100% after 72 hours of treatment, and it reduced the hatchability rate of eggs to 63.33, 43.33, 40. and 26.66% at the same concentrations mentioned, respectively, after 7 days of treatment, The control treatment recorded a hatching rate of 100% after the same mentioned time period. The practical results indicated that the interaction between Canfor oil and Bifenthrin applied at an average of 0.75 ml/liter of oil + 2 ml/L of pesticide and 1 ml/L of oil + 2 ml/L of pesticide, respectively. It led to the Mite of T. urticae adults with a percentage of 97.77 and 100% after 24 hours of treatment, respectively, and it led to a reduction in the percentage of eggs hatching to 20 and 10% at the same mentioned concentrations, respectively, after 7 days of treatment
- Subjects
HATCHABILITY of eggs; TWO-spotted spider mite; BIFENTHRIN; SPIDER mites; OLEIC acid
- Publication
Jornal of Al-Muthanna for Agricultural Sciences, 2024, Vol 11, p85
- ISSN
2226-4086
- Publication type
Article
- DOI
10.52113/mjas04/11.1/15