نتایج جستجو برای: ulmus glabra andceltis australis from ulmaceae then

تعداد نتایج: 5960164  

Journal: : 2021

In 2016–2021 the ravines floristic diversity of Khinna gorge (Zayamchay river basin, Lesser Caucasus) was studied. is located on right bank Zayamchay river, at foot Gizilja Mount. gorge, 18 species, 13 genera and 11 families plants were found. Plants relict origin also found: Poa nemoralis L., compressa Ulmus glabra Huds., Parietaria chersonensis (Lang & Szov.) Dörfl., Asparagus verticillat...

Journal: :Journal of Integrated Pest Management 2023

Abstract The elm zigzag sawfly (EZS), Aproceros leucopoda Takeuchi, was detected in the United States for first time Virginia 2021. In 2022, it confirmed 4 additional states: Pennsylvania, North Carolina, Maryland, and New York. These are records of this species demonstrate a rapid range expansion an invasive defoliating pest. Native to Asia, EZS feeds exclusively on Ulmus spp. (elms; Ulmaceae)...

2016
Jianfeng Zhu Xiuyan Yang Zhengxiang Liu Huaxin Zhang John MacKay

MicroRNAs (miRNAs) are a class of endogenous small RNAs with important roles in plant growth, development, and environmental stress responses. Ulmus pumila L., a deciduous broadleaved tree species of northern temperate regions, is widely distributed in central and northern Asia and has important economic and ecological value. With the spread and aggravation of soil salinization, salt stress has...

Journal: :Plant Ecology 2023

Abstract Invasive fungal pathogens are an increasing problem globally and can cause strong effects on forest ecosystems. In this study, we contrast vegetation surveys in eutrophic elm ( Ulmus glabra ) ash Fraxinus excelsior forests southern Sweden, conducted just prior to the arrival of Dutch disease (DED) 1989, then again 2021, several years after dieback (ADB) began. At sample plot scale, spe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده علوم طبیعی 1393

روش های مولکولی ابزارهای مهم وقوی در ارزیابی روابط خویشاوندی، تنوع ژنتیکی و شناسایی گونه های گیاهی می باشد. مهمترین توالی های مولکولی برای مطالعات فیلوژنتیکی در سطوح جنس و گونه ناحیه its ژن های dna s26 –s 8/5 –s 18 ریبوزومی هسته می باشد. از نکته نظر تاکسونومیکی یک مشکل بزرگ این جنس خویشاوندی نزدیک بین گونه هاست و بیشتر آنها به وسیله ی فرم های حدواسط که احتمالا منشا هیبرید دارند ابهام دار هستند....

2011
Eun Jung Cho Myoung Soo Park Sahng Seop Kim Gun Kang Sunga Choi Yoo Rhan Lee Seok Jong Chang Kwon Ho Lee Sang Do Lee Jin Bong Park Byeong Hwa Jeon

Ulmus davidiana var. japonica Rehder (Urticales: Ulmaceae) (UD) is a tree widespread in northeast Asia. It is traditionally used for anticancer and anti-inflammatory therapy. The present study investigated the effect of an ethanol extract of UD on vascular tension and its underlying mechanism in rats. The dried root bark of UD was ground and extracted with 80% ethanol. The prepared UD extract w...

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