Biological and Ecological Fitness of the Two-Spotted Spider Mite, Tetranychus urticae Koch (Acari: Tetranychidae) on Certain Host Plants The comparative population growth parameters of the two-spotted spider mite, Tetranychus urticae Koch on cucurbits vegetable crops; Sudanian, Musk and Snake melons commonly planted in numerous districts of Egypt were studied. These parameters were estimated at 25 ± 1°C, 60 ± 5% R.H. and a photoperiod of 14:10 hrs. (L: D) daily. Developmental time, survival to adult stage and egg hatchability were similar among the three host plants, hut significant variation in fecundity and longevity, resulting in large differences tor population growth parameters. such as the intrinsic rate of natural increase (rm), net reproductive rate (Ro) and finite rate of increase(λ) were detected. Sudanian melon was the most favorable host for the two-spotted spider mite with rm (0.297), followed by Musk melon (0.243) off springs/female/day. The slowest population growth was observed on Snake melon with rm (0.231) off springs/ female/day.
Ibrahim, M., El-Esnawy, B., & El-Adawy, A. (2016). Biological and Ecological Fitness of the Two-Spotted Spider Mite, Tetranychus urticae Koch (Acari: Tetmnychidae) on Certain Host Plants. Acarines: Journal of the Egyptian Society of Acarology, 10(1), 31-35. doi: 10.21608/ajesa.2016.164059
MLA
M. M. Ibrahim; Badriea A. El-Esnawy; A. M. El-Adawy. "Biological and Ecological Fitness of the Two-Spotted Spider Mite, Tetranychus urticae Koch (Acari: Tetmnychidae) on Certain Host Plants". Acarines: Journal of the Egyptian Society of Acarology, 10, 1, 2016, 31-35. doi: 10.21608/ajesa.2016.164059
HARVARD
Ibrahim, M., El-Esnawy, B., El-Adawy, A. (2016). 'Biological and Ecological Fitness of the Two-Spotted Spider Mite, Tetranychus urticae Koch (Acari: Tetmnychidae) on Certain Host Plants', Acarines: Journal of the Egyptian Society of Acarology, 10(1), pp. 31-35. doi: 10.21608/ajesa.2016.164059
VANCOUVER
Ibrahim, M., El-Esnawy, B., El-Adawy, A. Biological and Ecological Fitness of the Two-Spotted Spider Mite, Tetranychus urticae Koch (Acari: Tetmnychidae) on Certain Host Plants. Acarines: Journal of the Egyptian Society of Acarology, 2016; 10(1): 31-35. doi: 10.21608/ajesa.2016.164059
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