نتایج جستجو برای: گیاهشناسی botany

تعداد نتایج: 3192  

ژورنال: :مجله گیاهشناسی ایران 2006
ولی الله مظفریان

در میان جنس های تیره asteraceae جنس .echinops l در ایران از وسعت و دامنة گسترش جغرافیایی زیادی برخوردار است و در عین حال اطلاعات گیاهشناسی در مورد آن منحصر به چند مقاله و فلورا ایرانیکا می باشد. در طی سالها مطالعه گیاهشناسی، این جنس مورد توجه مؤلف بوده و در یک کار منسجم مورد بررسی و بازنگری تاکزونومیکی قرار گرفته است. در این مقاله با نگاهی به صفات و خصوصیات تاکزونومیکی این جنس، کلید شناسایی بخش...

2014
Saima Aslam BHARWANA Shafaqat ALI Muhammad Ahsan FAROOQ Naeem IQBAL Amjad HAMEED Farhat ABBAS Muhammad Sajid Aqeel AHMAD

Saima Aslam BHARWANA, Shafaqat ALI*, Muhammad Ahsan FAROOQ, Naeem IQBAL, Amjad HAMEED, Farhat ABBAS, Muhammad Sajid Aqeel AHMAD Department of Environmental Sciences, Government College University, Faisalabad, Pakistan Department of Botany, Government College University, Faisalabad, Pakistan Nuclear Institute for Agriculture and Biology, Faisalabad, Pakistan Department of Botany, University of A...

2014
K. K. NEWSHAM W. P. GOODALL-COPESTAKE R. OCHYRA J. VÁŇA

K.K. NEWSHAM, W.P. GOODALL-COPESTAKE, R. OCHYRA, J. VÁŇA 5 British Antarctic Survey, Natural Environment Research Council, High Cross, Madingley Road, Cambridge, CB3 0ET, UK Polish Academy of Sciences, Institute of Botany, Bryology Laboratory, UI Lubicz 46, PL-31512, Krakow, Poland Charles University Prague, Department of Botany, Faculty of Science, Benátská 2, CZ-128 01 Prague 2, Czech 10 Repu...

Journal: :Medical History 1982
Neil Morgan

penetrate. I looked for the usual introduction on "How to use this book", and did not find it, until page 39. Equally, it takes a little searching to find out why a large section of the listed material is not actually reproduced in the book, but is on the microfiche. Finally, the coverage of countries is heavily towards Britain and North America, although this is only explained in one of the es...

Journal: :Science 1942
E N Transeau

Obituary: COOPER and PROFESSOR R. A. BRINK, On the Obituary: Localization of Enzymes in Nerve Fibers: DRs. D. Alexander Lowy: DR. ALEXANDER SILVERMAN. NACHMANSOHN and H. B. STEINBACH .............................. 75 Orin F. Stafford: DR. F. L. SHINN. Recent Deaths 62 Scientific Events: Scientific Apparatus and Laboratory Methods: War Work of the Canadian Research Council; The A Color Reaction ...

2016
Farhat Ali Khan Shabana Irum

Farhat Ali Khan and Shabana Irum Department of Botany, Hazara University Mansehra, Pakistan Shazia Erum and Aish Muhammad Plant Genetic Resource Institute, National Agricultural Research Centre, Islamabad, Pakistan Faisal Nouroz Department of Botany, Hazara University Mansehra, Pakistan and Molecular Genetics Laboratory, Department of Biology, University of Leicester, UK Saima Kanwal Food Scien...

2013
Dario Leister Toshiharu Shikanai

1 Department Biology I, Plant Molecular Biology (Botany), Ludwig-Maximilians-University Munich, Munich, Germany 2 PhotoLab Trentino A Joint Initiative of the University of Trento (Centre for Integrative Biology) and the Edmund Mach Foundation (Research and Innovation Centre), San Michele all’Adige and Mattarello, Italy 3 Department of Botany, Graduate School of Science, Kyoto University, Kyoto,...

2013
RAFAEL TORRES

The geography and botany problems of irreducible nonspin symplectic 4-manifolds with a choice of fundamental group from {Zp,Zp⊕Zq,Z,Z⊕Zp,Z⊕Z} are studied by building upon the recent progress obtained on the simply connected realm. Results on the botany of simply connected 4-manifolds not available in the literature are extended.

Journal: :Annals of botany 2015
Michael B Jackson

BACKGROUND The Annals of Botany is a peer-reviewed scientific journal publishing papers on a wide range of topics in plant biology. It first appeared in 1887, making it the oldest continuously published botanical title. The present article gives a historical account of events leading to the founding of the Journal and of its development over the first 50 years. SOURCES OF INFORMATION Much of ...

2007
Tong Chen Xiaoqin Wu Yanmei Chen Nils Böhm Jinxing Lin Jozef Šamaj

Germinated pollen grains form pollen tubes that accomplish rapid polarized growth within female gametophytic tissues in order to deliver the sperm cell to the ovule. This process is essential for successful plant fertilization in vivo. Pollen tubes are considered to be an ideal model system to study tip growth. A more comprehensive understanding of proteins involved in pollen development, germi...

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