نتایج جستجو برای: perennial plants

تعداد نتایج: 205722  

Journal: :Forensic science international. Genetics 2007
Pino Luciano Cinzia M Bertea Giovanni Temporale Massimo E Maffei

Here, we show a new, simple, and rapid SYBR Green-based Real-Time PCR assay for the quantification of hallucinogenic plants in plant mixtures. As a test plant, Salvia divinorum Epling & Játiva-M., a perennial herb belonging to the Lamiaceae family able to induce hallucinations, changes in perception, or other psychologically induced changes with similar potency as LSD, was used. The method was ...

A Aman F Jabin

Even in the 21st century when the modern medicine has made tremendous progress in development of promptly acting medicines and precise diagnostic equipments the total health is still a challenge to medical science. Since many decades the utility of the Traditional Medicines/Wholistic medicine throughout the world has been felt immensely and the World Health Organization have also accepted the v...

Journal: :Phytopathology 2001
W F Pfender

ABSTRACT A temperature-response curve for latent-period duration in stem rust (caused by Puccinia graminis subsp. graminicola) on perennial ryegrass and tall fescue was developed from constant-temperature experiments with inoculated plants and evaluated in field experiments. Under constant-temperature conditions, time from infection to 50% of pustules erupted for perennial ryegrass ranged from ...

Journal: :Plant physiology 2008
Xiaohan Yang Udaya C Kalluri Sara Jawdy Lee E Gunter Tongming Yin Timothy J Tschaplinski David J Weston Priya Ranjan Gerald A Tuskan

F-box proteins are generally responsible for substrate recognition in the Skp1-Cullin-F-box complexes that are involved in protein degradation via the ubiquitin-26S proteasome pathway. In plants, F-box genes influence a variety of biological processes, such as leaf senescence, branching, self-incompatibility, and responses to biotic and abiotic stresses. The number of F-box genes in Populus (Po...

2012
Maria C. Albani Loren Castaings Stefan Wötzel Julieta L. Mateos Jörg Wunder Renhou Wang Mathieu Reymond George Coupland

Higher plants exhibit a variety of different life histories. Annual plants live for less than a year and after flowering produce seeds and senesce. By contrast perennials live for many years, dividing their life cycle into episodes of vegetative growth and flowering. Environmental cues control key check points in both life histories. Genes controlling responses to these cues exhibit natural gen...

2014
Qian Xu Xiao Xu Yang Shi Jichen Xu Bingru Huang

Heat stress is a detrimental abiotic stress limiting the growth of many plant species and is associated with various cellular and physiological damages. Expansins are a family of proteins which are known to play roles in regulating cell wall elongation and expansion, as well as other growth and developmental processes. The in vitro roles of expansins regulating plant heat tolerance are not well...

2005
Yulin LI Douglas A. JOHNSON Yongzhong SU Jianyuan CUI Tonghui ZHANG

We investigated the variations in specific leaf area (SLA) and leaf dry matter content (LDMC) of 20 species (10 annuals and 10 perennials) that have different distributional patterns in the Kerqin Sandy Land in northern China. The main purpose of our study was to determine if SLA and/or LDMC could be used as indicators of plant resource-use strategy in sand dune environments. The selected speci...

Journal: : 2023

The purpose of this research is to clarify the actual usage perennial and native plants in streetside flower beds. We surveyed 43 places community beds summer-autumn 2018 44 spring 2019 Tama city. results survey showed that a total 162 kinds (annual plants: 54sp. / 108sp.) were confirmed. divided into three types, ①Annual plant type, ②Mixed ③perennial type. Moreover ① ② sub-units, a.High-consta...

Journal: :Genetics and molecular research : GMR 2014
L Q Zhang Y D Niu H Huridu J F Hao Z Qi A Hasi

In order to obtain a salt-tolerant perennial alfalfa (Medicago sativa L.), we transferred the halophyte Salicornia europaea L. Na(+)/H(+) antiporter gene, SeNHX1, to alfalfa by using the Agrobacterium-mediated transformation method. The transformants were confirmed by both PCR and RT-PCR analyses. Of 197 plants that were obtained after transformation, 36 were positive by PCR analysis using 2 pr...

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