نتایج جستجو برای: emergence and post

تعداد نتایج: 16895609  

Journal: :International Journal of Plant and Soil Science 2023

Weeds have been a problem creator in crops since time immemorial competing with them for all the growth resources. cause around 28-100% loss maize crop which necessitates their control. The usage of herbicides control weeds has most prominent method among farmers. However, continuous similar can develop herbicide resistance needs exploration to newer herbicides. Therefore, field experiment was ...

Journal: :The Journal of experimental biology 2000
C I Miles R Booker

The parasitic braconid wasp Cotesia congregata lays its eggs inside the body of the larval stage of its host, the moth Manduca sexta. The Cotesia congregata larvae develop within the hemocoel of their host until their third instar, when they emerge and spin cocoons and pupate on the outer surface of the caterpillar. From this time until their death approximately 2 weeks later, the Manduca sexta...

Journal: :International Journal of Enviornment and Climate Change 2023

Onion (Allium cepa L.) weed interference lowers bulb yield and financial return for onion growers who pay labour. During the Rabi seasons of 2011–12 2012–13, a field experiment was worked out at Horticultural College Research Institute, Dr.Y.S.R University, Venkataramanagudem, Tadepalligudem, West Godavari District, A.P to examine effects pre post emergence herbicides on economics cv.N–53. Ten ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - پژوهشکده تربیت بدنی و علوم ورزشی 1391

چکیده معضل چاقی به عنوان عارضه ای جدی برای زندگی بی تحرک و ماشینی، مورد توجه اغلب مراکز بهداشتی و درمانی دنیا قرار گرفته است. چاقی عامل زمینه ساز و در واقع عامل خطری برای بروز بیماری های قلبی - عروقی است که عموماً با کاهش طول عمر مورد انتظار و افزایش بیماری همراه است. هدف پژوهش حاضر تأثیر 12 هفته تمرینات ویبریشن کل بدن، تمرینات هوازی و تمرینات ترکیبی( هوازی و ویبریشن کل بدن) بر ترکیب بدنی زنان ...

2012
Teresa K. Joy Eileen H. Jeffrey Gutierrez Kacey Ernst Kathleen R. Walker Yves Carriere Mohammad Torabi Michael A. Riehle

Aedes aegypti, the primary vector of dengue virus, is well established throughout urban areas of the Southwestern US, including Tucson, AZ. Local transmission of the dengue virus, however, has not been reported in this area. Although many factors influence the distribution of the dengue virus, we hypothesize that one contributing factor is that the lifespan of female Ae. aegypti mosquitoes in t...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the present study was an attempt to compare the effect of peer metalinguistic corrective feedback on elementary and intermediate efl learners speaking ability to see which level benefits more from this type of feedback. to this end, 117 female efl learners at grade 3, al-zahra high school in kermanshah, iran were non-randomly chosen. the homogeneity of the participants was attained through a pi...

Journal: :Pakistan Journal of Biological Sciences 1999

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