نتایج جستجو برای: plant relationship

تعداد نتایج: 933165  

Journal: :Molecular ecology 2007
G M Wimp S Wooley R K Bangert W P Young G D Martinsen P Keim B Rehill R L Lindroth T G Whitham

With the emerging field of community genetics, it is important to quantify the key mechanisms that link genetics and community structure. We studied cottonwoods in common gardens and in natural stands and examined the potential for plant chemistry to be a primary mechanism linking plant genetics and arthropod communities. If plant chemistry drives the relationship between plant genetics and art...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

this study was designed and conducted to find out if there is any significant relationship between iranian efl learners preferance for one of the three degrees of obtrusiveness in foreign language instruction (focus on form, forms and meaning) and their preferred experiential learing style. to collect the data two questionnaires were used. the first one on the degree of obtrusiveness and the se...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1390

with the growth of more humanistic approaches towards teaching foreign languages, more emphasis has been put on learners’ feelings, emotions and individual differences. one of the issues in teaching and learning english as a foreign language is demotivation. the purpose of this study was to investigate the relationship between the components of language learning strategies, optimism, duration o...

Journal: :EUROPEAN JOURNAL OF ENVIRONMENTAL SCIENCES 2012

Journal: :Alınteri Zirai Bilimler Dergisi 2019

Journal: :Proceedings of the National Academy of Sciences 1998

Journal: :Proceedings of the Royal Society B: Biological Sciences 2013

Journal: :Veethika: an international interdisciplinary research journal 2022

Aphids are harmful agricultural insect pests that feed on the phloem sap of their hosts, infecting them with diseases. Plant-aphid interaction is a dynamic system always changing and varying. During life cycle, several aphid species change host plant. They travel between main secondary plant in spring fall. This shift has happened due to sap's nutritional importance necessity for reproduction. ...

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