نتایج جستجو برای: pgrs

تعداد نتایج: 362  

Journal: :Biocell 2023

Salinity is one of the major abiotic factors that limit growth and productivity plants. Foliar application plant regulators (PGRs) may help plants ameliorate negative impacts salinity. Thus, a field experiment was conducted at Botanical Garden University Balochistan, Quetta, to explore potential role PGRs, i.e., moringa leaf extract (MLE; 10%), proline (PRO; 1 µM), salicylic acid (SA; 250 thiou...

2016
Nicola Voyle Hamel Patel Amos Folarin Stephen Newhouse Caroline Johnston Pieter Jelle Visser Richard J.B. Dobson Steven J. Kiddle

BACKGROUND The search for a biomarker of Alzheimer's disease (AD) pathology (amyloid-β (Aβ) and tau) is ongoing, with the best markers currently being measurements of Aβ and tau in cerebrospinal fluid (CSF) and via positron emission tomography (PET) scanning. These methods are relatively invasive, costly, and often have high screening failure rates. Consequently, research is aiming to elucidate...

2010
Maria Amely Zavattieri António Miguel Frederico Mónica Lima Rui Sabino Birgit Arnholdt-Schmitt

Abbreviations: 2,4-D: 2,4-dichlorophenoxyacetic acid ABA: abscisic acid ABI3: ABI gene family member 3 ANP1: Arabidopsis NPK1-like protein kinase AP: ascorbate peroxidase AOX: alternative oxidase DNA: deoxyribonucleic acid Fe-EDTA: ferric ethylenediaminetetraacetic acid M: molar concentration MAPK: mitogen-activated protein kinase NO: Nitric oxide PGRs: plant growth regulators ROS: reactive oxy...

Journal: :Higher Education 2023

Abstract Postgraduate research students (PGRs) experience disproportionately high levels of psychological distress. Many factors contribute to this poor mental wellbeing and relate each other in complex dynamic ways. However, the relationship between PGRs their supervisor(s) is known strongly affect former. This study explores health with a focus on role student—supervisor relationship. Using c...

Journal: :Journal of Applied Phycology 2021

Omega-3 fatty acids containing microalgae are considered a promising feedstock for food and nutraceutical applications. To meet the commercial nutritional demands of essential omega-3 acids, different strategies being implemented, including supplementation plant growth regulators (PGRs). In present study effects selected, PGRs, i.e., gibberellic acid (GA), salicylic (SA), malic (MA; TCA cycle i...

Journal: :Notulae Scientia Biologicae 2021

In vitro morphogenic response of mature seed embryo-derived callus cultures Chonemorpha fragrans was studied using solid and liquid Murashige Skoog medium amended with cytokinins or their combinations naphthalene acetic acid at 0.5 mg L-1. The plant growth regulators (PGRs) combination concentrations tested could not stimulate organogenesis after three subcultivations the on same PGRs-amended w...

Journal: :Ornamental Horticulture 2021

Abstract Leucojum aestivum is a valuable and endangered plant species with bulb scales best suited as explants in micropropagation. In the current study, its micropropagation was investigated by using two different various concentrations combinations of growth regulators (PGRs). Bulbs were first disinfected benomyl® for 5 hours. After meeting chilling requirements, two-scale four-scale provided...

2012
Frank Rossi

Plant growth regulator (PGR) technology is poorly understood by a majority of golf turf managers. PGRs are touted as tools for reducing mowing, controlling annual bluegrass and increasing green speed. PGRs recommended for use on high quality (or Class A type) turf generally inhibit cell elongation for a period of time (weeks). The process of regulating cell elongation includes the synthesis of ...

Journal: :progress in biological sciences 2013
masoud mirmasoumi pejman azadi ali sharafi valentine ntui otang masahiro mii

transverse thin cell layer sections excised from in vitro scales of lilium ledebourii were cultured on murashige and skoog (ms) medium supplemented with various plant growth regulators (pgrs) at different concentrations. although, bulblets were produced on pgrfree ms medium during organogenesis, addition of 0.25 mg l-1 6-benzyladenine or 5.0 mg l-1 indole-3-acetic acid to the medium increased t...

Transverse thin cell layer sections excised from in vitro scales of Lilium ledebourii were cultured on Murashige and Skoog (MS) medium supplemented with various plant growth regulators (PGRs) at different concentrations. Although, bulblets were produced on PGRfree MS medium during organogenesis, addition of 0.25 mg l-1 6-benzyladenine or 5.0 mg l-1 indole-3-acetic acid to the medium increased t...

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