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Influence of different host plants on the biological characteristics of the seychellarum mealybug Icerya seychellarum (Westwood) [electronic resource].

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Awadalla, S. S

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Language: English Summary language: Arabic Description: p.245-254Other title:

تأثير العوائل النباتية المختلفة على الصفات البيولوجية للبق الدقيقى السيشلارم [Added title page title]

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Mansoura University Journal of plant protection and pathology, 2015 v. 6 (2) [electronic resource].

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In: Mansoura University Journal of Plant Protection and Pathology 2015.v.6(2)Summary: Laboratory experiments were carried out to study the influence of different host plants on some biological characteristics of I. seychellarum . The experiments were conducted in the Insectary of the Economic Entomology Department, Faculty of Agriculture, Mansoura University under fluctuated temperature degrees of 28±1°c ; 20±1°c and 60±5% R.H. The total developmental stages were the shortest when I. seychellarum reared on ornamental palm and represented by 40.1 ± 0. 71 and 54.9 ± 1.61 days under fluctuated temperature of 28 ± 1 °c and 20 ± 1°c respectively. The survival rates during the nymphal stage of I. seychellarum was the highest on ornamental palm followed by persimmon and the lowest on mango and guava . Based on the survival rate as an index of suitability of different host plants . the suitability in decreasing order was: on ornamental palm. persimmon, ficus. loquat. guava, mango under fluctuated temperature of 28 ± 1 °c and 20 ± 1°c .

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Laboratory experiments were carried out to study the influence of different host plants on some biological characteristics of I. seychellarum . The experiments were conducted in the Insectary of the Economic Entomology Department, Faculty of Agriculture, Mansoura University under fluctuated temperature degrees of 28±1°c ; 20±1°c and 60±5% R.H. The total developmental stages were the shortest when I. seychellarum reared on ornamental palm and represented by 40.1 ± 0. 71 and 54.9 ± 1.61 days under fluctuated temperature of 28 ± 1 °c and 20 ± 1°c respectively. The survival rates during the nymphal stage of I. seychellarum was the highest on ornamental palm followed by persimmon and the lowest on mango and guava . Based on the survival rate as an index of suitability of different host plants . the suitability in decreasing order was: on ornamental palm. persimmon, ficus. loquat. guava, mango under fluctuated temperature of 28 ± 1 °c and 20 ± 1°c .

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