نتایج جستجو برای: additive gene effects for this purpose

تعداد نتایج: 12390952  

Journal: :علوم دامی ایران 0
جواد احمدپناه دانش آموخته کارشناسی ارشد دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران رسول واعظ ترشیزی دانشیار گروه علوم دامی، دانشکده کشاورزی، دانشگاه تربیت مدرس، تهران

in this study, the effect of maternal additive genetic and environment on body weight at 6 weeks (bwt6w), breast width (hbrs), carcass weight (carcwt), breast weight (brswt), blood hematocrit value (hem), residual feed intake (rfi), daily feed intake (dfi) and average daily gain (adg) were investigated in a commercial broiler dam line. with and without maternal effects, six different animal mod...

Journal: :علوم گیاهان زراعی ایران 0
ولی اله محمدی پردیس کشاورزی و منابع طبیعی دانشگاه تهران اعظم عرب نژاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران حسن زینالی پردیس کشاورزی و منابع طبیعی دانشگاه تهران عبدالهادی حسین زاده پردیس کشاورزی و منابع طبیعی دانشگاه تهران حسن امیری اوغان بخش تحقیقات دانه های روغنی، مؤسسه تحقیقات و اصلاح نهال و بذر کرج

inheritance of yield and its contributing characters in rapeseed (brassica napus l.) was studied in a 8×8 diallel cross through griffing and jinks-hayman analyses. both general combining ability (gca) and specific combining ability (sca) were highly significant for seed yield, seed weight and branches per plant, while only gca for seeds per pod and oil content and only sca for pods per plant an...

Journal: :علوم گیاهان زراعی ایران 0
محسن نیازیان دانشجوی سابق کارشناسی ارشد پردیس ابوریحان، دانشگاه تهران رضا امیری دانشیار پردیس ابوریحان، دانشگاه تهران اباذر رجبی محقق مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند کرج محمدرضا اوراضی زاده محقق مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند کرج حمید شریفی محقق مرکز تحقیقات کشاورزی صفی آباد دزفول

to evaluate general and specific combining ability for resistance to bolting and cercospora leaf spot, 36 hybrids derived from crosses between 9 sugar beet lines along with four checks were planted in safiabad agricultural research center (dezful) in 2008-2009. the experimental design was a triple lattice design with three replications. analysis of variance showed significant differences among ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1390

this study intends to investigate samuel beckett’s waiting for godot and endgame under the lacanian psychoanalysis. it begins by explaining the most important concepts of lacanian psychoanalysis. the beckettian characters are studied regarding their state of unconscious, and not the state of consciousness as is common in most beckett studies. according to lacan, language plays the sole role in ...

Journal: :journal of agricultural science and technology 2010
f. azizi a. m. rezaie g. saeidi

the choice of an efficient breeding procedure depends to a large extent on knowledge of the genetic system controlling the character to be selected. the objective of this study was to determine genetic parameters for yield and other traits including some of the yield components under three planting densities, using analysis of generation means (p1, p2, f1, f2, bc1 and bc2) derived from crosses ...

Journal: :TRENDS IN THE SCIENCES 2019

Journal: :علوم باغبانی ایران 0
جمالعلی الفتی چیرانی دانشکده کشاورزی دانشگاه گیلان، استادیار غلامعلی پیوست دانشکده کشاورزی دانشگاه گیلان، استاد حبیب اله سمیع زاده لاهیجی دانشکده کشاورزی دانشگاه گیلان، دانشیار بابک ربیعی دانشکده کشاورزی دانشگاه گیلان، دانشیار سید اکبر خداپرست دانشکده کشاورزی دانشگاه گیلان، دانشیار

combining ability and heterosis were studied in a 6×6 partial diallel cross during 2007-2009 to see the nature of gene action in cucumber (cucumis sativus l.). analysis of variance revealed high significant differences among all the f1 hybrid means and among their respective six parental values for all the traits examined. the mean squares attributed to general combining ability (gca) and speci...

Journal: :journal of agricultural science and technology 2015
h. meena a. kumar b. ram v. v. singh p. d. meena

brassica juncea l. is an important oilseed crop which occupies premier position in indian agriculture. developing high yielding genotypes has been a major breeding objective in indian mustard. present study was conducted at directorate of rapeseed-mustard research, india, during 2010-2013 to determine general combining ability (gca) and specific combining ability (sca) of parental lines and bet...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1386

the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...

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