نتایج جستجو برای: salix pycnostachya

تعداد نتایج: 1711  

Journal: :Environmental science & technology 2014
Maria Nordborg Christel Cederberg Göran Berndes

The inclusion of ecotoxicity impacts of pesticides in environmental assessments of biobased products has long been hampered by methodological challenges. We expanded the pesticide database and the regional coverage of the pesticide emission model PestLCI v.2.0, combined it with the impact assessment model USEtox, and assessed potential freshwater ecotoxicity impacts (PFEIs) of pesticide use in ...

Journal: :Cryo letters 2014
Remi Bonnart John Waddell Kathy Haiby Mark P Widrlenchner Gayle M Volk

BACKGROUND Methods are needed for the conservation of clonally maintained trees of Populus and Salix. In this work, Populus trichocarpa and Salix genetic resources were cryopreserved using dormant scions as the source explant. OBJECTIVE We quantified the recovery of cryopreserved materials that originated from diverse field environments by using either direct sprouting or grafting. MATERIAL...

2013
MALIK ASIF

This study was carried out at the forest nursery of Department of Forestry, Faculty of Agriculture and Regional Research Station, Wadura SKUAST-K, Sopore, Kashmir during 2006 and 2007 to examine the role of live biofertilizers in litter decomposition and nutrient release in Salix fragilis under natural Salix stands. The experiment was laid in completely randomised design with three replications...

Journal: :Zootaxa 2013
Thomas Pape Sven-Olof Ulefors R Henry L Disney

Abaristophora arctophila Schmitz, 1927 is confirmed from Europe through a series of males and females collected in boreal Sweden. The male of A. arctophila is documented and separated from A. sachalinensis Michailovskaya, 1988 and Abaristophora kolaensis Disney n. sp., which is described from a single male from N.W. Russia. A lectotype is designated for A. arctophila and the female is described...

Journal: :Oesterreichische Botanische Zeitschrift 1881

ژورنال: :مجله گیاهشناسی ایران 2010
زهره خلیلی علی اصغر معصومی فرخ قهرمانی نژاد حسین میرزایی ندوشن

در این پژوهش، مطالعه آناتومی برگ نه گونه از جنس بید متعلق به دو زیر جنس مختلف با استفاده از میکروسکوپ نوری انجام گرفت که عبارتند از: salix aegyptiaca l., s. caprea l., s. cinerea l., s. elbursensis boiss., s. euxina i. v. belyaeva, s. issatissensis  maassoumi, moeeni & rahiminejad, s. triandra l., s. wilhelmsiana m. beib., s. zygostemon boiss. (s. cinerea × s. elbursensis) صفات تشریحی مخت...

Journal: :Botanical Gazette 1906

Journal: :Science 1895

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