نتایج جستجو برای: salix

تعداد نتایج: 1705  

2014
Guodong Rao Jinkai Sui Yanfei Zeng Caiyun He Aiguo Duan Jianguo Zhang Matty Knight

Salix matsudana Koidz. is a deciduous, rapidly growing, and drought resistant tree and is one of the most widely distributed and commonly cultivated willow species in China. Currently little transcriptomic and small RNAomic data are available to reveal the genes involve in the stress resistant in S. matsudana. Here, we report the RNA-seq analysis results of both transcriptome and small RNAome d...

Journal: :Plant physiology 2013
Sally P Ward Jemma Salmon Steven J Hanley Angela Karp Ottoline Leyser

The success of the short-rotation coppice system in biomass willow (Salix spp.) relies on the activity of the shoot-producing meristems found on the coppice stool. However, the regulation of the activity of these meristems is poorly understood. In contrast, our knowledge of the mechanisms behind axillary meristem regulation in Arabidopsis (Arabidopsis thaliana) has grown rapidly in the past few...

2017
Qinggang Wang Xiangyan Su Nawal Shrestha Yunpeng Liu Siyang Wang Xiaoting Xu Zhiheng Wang

Ambient energy, niche conservatism, historical climate stability and habitat heterogeneity hypothesis have been proposed to explain the broad-scale species diversity patterns and species compositions, while their relative importance have been controversial. Here, we assessed the relative contributions of contemporary climate, historical climate changes and habitat heterogeneity in shaping Salix...

ژورنال: :مجله گیاهشناسی ایران 2011
اعظم عبداله زاده شاهرخ کاظم پور اوصالو علی اصغر معصومی

این مطالعه آنالیز فیلوژنتیکی داده های توالی های nrdna its برای 62 تاکسون شامل 55 گونه salix و دو گونه ی populus به عنوان برون گروه و توالی های trnl-f کلروپلاستی برای 14 گونه salix استفاده شد. آنالیز فیلوژنتیکی با استفاده از روشهای بیشینه ی صرفه جوئی (maximum parsimony) و bayesianانجام گرفت. فیلوژنی حاصل از توالی های  nrdna its نشان داد که همه ی پنج زیرجنس رایج salix به استثنای زیرجنس مونوتیپیکl...

ژورنال: :بوم شناسی گیاهان زراعی 2011
علی احدیت

سنک بید و صنوبر،monosteira unicostata ، از آفات مهم گونهﻫﺎی مختلف بید و صنوبر در بسیاری از نقاط کشور به شمار میﺭود که به طور مستقیم به برگﻫﺎ و غیرمستقیم روی کیفیت و کمیت چوب این درختان خسارت وارد میﺳﺎزد. به‎منظور بررسی میزان مقاومت گونهﻫﺎی مختلف بید به این آفت، سازوکار مقاومت آنتیﺯنوزی 11 گونه بید در شرایط آزمایشگاهی در سال 1387در ﻣﺆسسه تحقیقات جنگلﻫﺎ و مراتع تهران بررسی گردید. قلمهﻫﺎیی سه تا ش...

2015
Cai-Hua Zhang Tao Ma Wen-Chun Luo Jian-Mei Xu Jian-Quan Liu Dong-Shi Wan J. Peter W. Young

4-Coumarate:CoA ligase (4CL) genes are critical for the biosynthesis of plant phenylpropanoids. Here we identified 20 4CL genes in the genomes of two desert poplars (Populus euphratica and P. pruinosa) and salt-sensitive congener (P. trichocarpa), but 12 in Salix suchowensis (Salix willow). Phylogenetic analyses clustered all Salicaceae 4CL genes into two clades, and one of them (corresponding ...

2017
MAsAyA KATo MuNEKAzu IINuMA TosHIyuKI TANAKA HIDEKI SAKAi MIzuo MIzuNo

(Phytochemistry, 26, 2418 (1987)) Acylated Luteolin Glucosides from Salix gitgiana. MIzuo MIzuNo*, MAsAyA KATo, MuNEKAzu IINuMA, TosHIyuKI TANAKA, ' ARIKA KIMuRA, HIRoyosHI OHAsHI, HIDEKI SAKAi Besides apigenin and luteolin 7-glucoside, four novel glucosides acylated with acetic, trans-cinnamic, P-coumaric and ferulic acids, respectively were isolated from the leaves of Salix gitgiana (Salicace...

Journal: :Ambio 2011
Isla H Myers-Smith David S Hik Catherine Kennedy Dorothy Cooley Jill F Johnstone Alice J Kenney Charles J Krebs

Canopy-forming shrubs are reported to be increasing at sites around the circumpolar Arctic. Our results indicate expansion in canopy cover and height of willows on Herschel Island located at 70 degrees north on the western Arctic coast of the Yukon Territory. We examined historic photographs, repeated vegetation surveys, and conducted monitoring of long-term plots and found evidence of increase...

2016
Yajuan Zhu Guojie Wang Renqiang Li

Water is a limiting factor for plant growth and vegetation dynamics in alpine sandy land of the Tibetan Plateau, especially with the increasing frequency of extreme precipitation events and drought caused by climate change. Therefore, a relatively stable water source from either deeper soil profiles or ground water is necessary for plant growth. Understanding the water use strategy of dominant ...

2013
Anna Lehrman Tina Boddum Johan A. Stenberg Colin M. Orians Christer Björkman

While carnivores are known to be attracted to herbivore-induced plant volatiles, little is known about how such volatiles may affect the behaviour of omnivorous predators that may use both plants and herbivores as food. Here, we examine how systemically produced plant volatiles, in response to local herbivore damage, differentially attract a key omnivorous predator, Anthocoris nemorum (Heteropt...

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