Asian Journal of Crop, Soil Science and Plant Nutrition

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Asian J. Crop. Soil Plan. Nutri. | Volume 01, Issue 01, 01-06| https://doi.org/10.18801/ajcsp.010119.01
​Article type: Research article|Received: 29.06.2019, Revised: 14.07.2019, Date of Publication: 14 July 2019.

Study on the effects of six pesticides on soil bacteria in laboratory

Amani Ahmed F. Qardash 1, Mohammed Farhan Al-Helali 2, Abdurahman Ali M. Thabet 3 and Muath Abdumajeed Ba’abad 1 
1Dept. of Biology, Faculty of Education and Science, Aden University
2Dept. of Biology, Faculty of Science, Sana’a University
3Dept. of Plant Protection- Faculty of Agriculture, Sana’a University, Yemen.

Article correspondence: [email protected] (Muath Abdumajeed Ba’abad).

Abstract
The laboratory studies were conducted to determine the effects of six Pesticides at 3 concentrations (25%, 50% and 100%) respectively on total number of bacteria isolated from the soilin Dhale district, Yemen. The study included isolating and identifying the bacteria form the soil and the tolerance of these bacteria to common pesticides. Nutrient agar medium was used for the count of bacterial. The results showed a lack of numbers of all bacteria in the Nutrient Agar medium treated with Supermectin, Agrinate and Novacron to all (25%, 50% and 100%) concentrations, while the Shahin and Mores no inhibitory effect of 25% concentration, on the bacterial counts. Results showed that pesticides in the laboratory showed its effect on types bacteria in the Nutrient Agar medium and has been associated it effect by quantity additive concentration.

Key Words: Bacterial counts, Pesticides and Nutrient agar medium

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Article Citations

​MLA
Qardash, A. A. F. et al. “Study on the effects of six pesticides on soil bacteria in laboratory.” Asian Journal of Crop, Soil Science and Plant Nutrition 01 (01) (2019): 01-06.
 
APA
Qardash, A. A. F. Al-Helali, M. F. Thabet, A. A. M. and Ba’abad, M. A. (2019). Study on the effects of six pesticides on soil bacteria in laboratory. Asian Journal of Crop, Soil Science and Plant Nutrition, 01 (01), 01-06.
 
Chicago
Qardash, A. A. F. Al-Helali, M. F. Thabet, A. A. M. and Ba’abad, M. A. “Study on the effects of six pesticides on soil bacteria in laboratory”. Asian Journal of Crop, Soil Science and Plant Nutrition 01 (01), (2019): 01-06.
 
Harvard
Qardash, A. A. F. Al-Helali, M. F. Thabet, A. A. M. and Ba’abad, M. A. 2019. Study on the effects of six pesticides on soil bacteria in laboratory. Asian Journal of Crop, Soil Science and Plant Nutrition, 01 (01), pp. 01-06.
 
Vancouver
Qardash, A. A. F. Al-Helali, M. F. Thabet, A. A. M. and Ba’abad, M. A. Study on the effects of six pesticides on soil bacteria in laboratory. Asian Journal of Crop, Soil Science and Plant Nutrition. 2019 July  01 (01): 01-06.

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