Effect of Temperature and Host on Development of <I>Brachycaudus schwartzi</I> (Homoptera: Aphididae)
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چکیده
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effect of oral presentation on development of l2 learners grammar
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
15 صفحه اولARTHROPOD BIOLOGY Effect of Temperature and Host on Development of Brachycaudus schwartzi (Homoptera: Aphididae)
Populations of Brachycaudus schwartzi (Börner) were found on peach and nectarine (Prunus persica Siebold & Zuccarini) trees in Parlier, CA, in summer 2000. To determine if this aphid could be a pest of P. persica, a nine-variety host range test was conducted using a no-choice arena and temperature-dependent development studies of the aphid at 15, 20, 22.5, 25, 27.5, 30, and 32.5 C. Nectarine va...
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the effect of using visual aids on the development of speech act of disagreement among iranian intermediate efl learners
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ژورنال
عنوان ژورنال: Annals of the Entomological Society of America
سال: 2002
ISSN: 0013-8746,0013-8746
DOI: 10.1603/0013-8746(2002)095[0597:eotaho]2.0.co;2