It is traditionally accepted that there are 5 major classes of natural plant hormones (endogenous) that play key roles in a plants life cycle. (hightimes.com)
The objective of this study was to investigate the effects of root cutting stress on the dynamic changes of endogenous hormone content and growth characteristics of Quercus variabilis roots, and to explore the physiological role of endogenous hormones in regulating root-crown interactions in the short term. (techscience.com)
The results showed that the root growth indexes and root endogenous hormones in the RP group were superior to those in the CK group. (techscience.com)
Through comprehensive analysis of endogenous hormones, it was found that the crosstalk of IAA, JA, ABA and SA could activate the root growth defense. (techscience.com)
Plant hormones such as cytokinins (CK) are signaling molecules controlling gene expression and the activity of various biochemical pathways. (rutgers.edu)
The levels of endogenous hormones were analysed in four different shoot types of current season, bearing terminal shoot, non-bearing terminal shoot, bearing lateral shoot and non-bearing lateral shoot. (yyu.edu.tr)
Statistical findings indicated that changes in endogenous hormones exhibited a collective behaviour in walnut shoots during vegetation period. (yyu.edu.tr)
The obtained results showed that anatomical-morphological and structural-functional rearrangements of sweet pepper plants under the action of exogenous gibberellic acid and EW-250 took place against the background of changes in the balance and distribution of endogenous hormones. (edu.ua)
Chuliang), and the relationships between endogenous hormones and fruit development were discussed. (scau.edu.cn)
To study the effects of 6-BA and ABA applications on carbohydrate contents and endogenous hormones in subtending leaf, and their relationship to cotton yield and qualities under different planting dates, we conducted a field experiment with two cotton cultivars Kemian 1 and NuCOTN 33B in the Lower Reaches of Yangtze River (Nanjing) and in the Yellow River Valley (Anyang), China. (chinacrops.org)
The results showed that the application of 6-BA significantly increased contents of sucrose and starch, and sucrose transformation rate in subtending leaf, while the application of ABA only regulated the balance of endogenous hormones. (chinacrops.org)
Auxin5
Relationships among changes in endogenous gibberellin, auxin and cytokinin contents were computed using correlation and regression analyses. (yyu.edu.tr)
Remarkable positive correlation coefficients were found among changes in gibberellin, auxin and cytokinin contents. (yyu.edu.tr)
Changes of endogenous gibberellins (GA4 + 7 ), cytokinin (ZRs), auxin(IAA) levels and fruit growth pattern were studied during fruit development of longan (Dimocarpus longan Lour. (scau.edu.cn)
Seasonal changes of gibberellins (GAs), the cytokinin trans-zeatin (t-Z), the auxin indole-3-acetic acid (IAA) and abscisic acid (ABA) in Rosa canina L. were analyzed by high performance liquid chromatography (HPLC). (gazi.edu.tr)
Gene Ontology (GO) enrichment analysis of differentially expressed genes between wild type plants and STTM159 transgenic plants showed that genes involved in cell division, auxin, cytokinin (CK) and brassinosteroids (BRs) biosynthesis and signaling are significantly down-regulated in STTM159 plants. (biomedcentral.com)
Gibberellic acid3
The levels of endogenous gibberellic acid equivalents, indole acetic acid, trans-zeatin and trans-zeatin riboside in bearing and non-bearing shoots of walnut (Juglans regia L.) were detected by high-performance liquid chromatography during vegetation period. (yyu.edu.tr)
We investigated the effect of foliar treatment with 0.005% solution of gibberellic acid (GA3) and 0.025% solution of the antigibberellic preparation tebuconazole (EW-250) on morphogenesis, leaf mesostructure, the content of photosynthetic pigments, the balance of endogenous phytohormones and productivity of Capsicum annuum L., Antey variety. (edu.ua)
In addition, exogenous NO significantly increased the concentration of Indole-3-Acetic Acid (IAA), Gibberellic Acid (GA), Cytokinin (CK) and Abscisic Acid (ABA) compared to the control, which likely linked to an increase in Nitric Oxide Synthase (NOS)-like activity and endogenous NO release in tall fescue roots. (ac.ir)
Trans-zeatin1
This study was designed to determine whether SWE-based cytokinins affect creeping bentgrass heat tolerance, and to compare effects of SWE-based cytokinins to those of a trans -zeatin riboside ( t -ZR)-standard. (bioagservicescorp.com)
Exogenous factors1
These results imply of the role of exogenous factors such as cytokinins and auxins supplementation in affecting the terpenoid biogenesis in vitro by altering the levels of endogenous cytokinins and physiological status of the plant organism. (cas.cz)
Physiological1
For the occurrence of floral transition at an opportune time, these regulatory mechanisms integrate varied environmental cues with the endogenous physiological ones. (jabonline.in)
Auxins1
Zinnia cell culture is a unique model system, which at the administration of certain ratio of cytokinins and auxins can be induced to trans-differentiate into vessel elements. (europa.eu)
Creeping bentgrass4
Bingru Huang presents her study to turfgrass field attendants, demonstrating improved drought tolerance of creeping bentgrass by manipulating endogenous cytokinin synthesis of plant tissues. (rutgers.edu)
Seaweed extract (SWE)-based cytokinins have been used to improve stress tolerance, but their specific effects on creeping bentgrass under supraoptimal temperatures are lacking. (bioagservicescorp.com)
Proper application of SWE-based cytokinins may be an effective approach to improve summer performance of creeping bentgrass. (bioagservicescorp.com)
2002) noted that root- zone-injection of zeatin riboside increased endogenous cytokinins, antioxidant activity, and delayed senescence in heat-stressed creeping bentgrass. (bioagservicescorp.com)
Zeatin1
Analytical determination of endogenous phytohormones - indolyl-3-acetic (IAA), gibberellic (GA3) and abscisic (ABA) acids and cytokinins - zeatin (Z), zeatin-O-glucoside (ZG), zeatinribozide (ZR), isopentenyladenine (iP) and isopentenyladenosine (iPA) were performed by high performance liquid chromatography - mass spectrometry (HPLC-MS). With GA3 treatment, plant height increased considerably, while with EW-250, it decreased. (edu.ua)
Phytohormones1
Cytokinins (CKs) are one class of important phytohormones widely investigated in most aspects of plant life. (unboundmedicine.com)
Biosynthesis1
High soil temperature may damage roots, a primary site of cytokinin biosynthesis. (bioagservicescorp.com)
Hormone Levels1
Endogenous hormone levels in bearing and. (yyu.edu.tr)
Roots3
The morphological characteristics and endogenous hormone contents of normal roots (no root cutting, CK) and cut roots (cut by 1/3 of the length of the main root, RP) were determined by liquid chromatography, which was combined with mass spectrometry at different levels of different developmental stages. (techscience.com)
Perhaps the most striking characteristic of roots that distinguishes them from other plant organs such as stem-branches and leaves is that roots have an endogenous [5] origin, i.e. , they originate and develop from an inner layer of the mother axis, such as pericycle . (wikimili.com)
In response to the concentration of nutrients, roots also synthesise cytokinin , which acts as a signal as to how fast the shoots can grow. (wikimili.com)
Plant4
We report here on the effects of plant growth regulators on the terpenoid profile, structure of photosystem II in vitro as well as on the endogenous cytokinin levels of both above- and underground parts. (cas.cz)
It is shown that after treatment with exogenous GA3, the content of endogenous IAA and ABA decreased and GA3 in plant stems increased. (edu.ua)
Seasonal changes of endogenous plant hor. (gazi.edu.tr)
STTM (Short Tandem Target Mimic) is an effective tool to block the activity of endogenous mature miRNA activity in plant. (biomedcentral.com)
Vitro1
The aim is to obtain better understanding of the involvement of different endogenous and environmental factors in the process of xylogenesis, to elucidate the potential of pharmaceutical treatments for manipulation the dimensions of xylem vessels and to use the information obtained from the in vitro studies for in planta improvement of the post-harvest quality of cut flowers. (europa.eu)
Processes1
Thimann (1987) found that cytokinins delay senescence processes probably by maintaining the integrity of the tonoplast membrane. (bioagservicescorp.com)
Levels2
It was revealed that the growth regulators-modified growth and development as well as the alterations of photosystem II structural organization were related to the cytokinin levels of Artemisia alba. (cas.cz)
These results suggested that mowing increased NOS-like activity, leading to elevated endogenous NO levels. (ac.ir)
Responses1
Besides the long-standing role of cytokinins (CKs) as growth regulators, their current positioning at the interface of development and stress responses is coming into recognition. (frontiersin.org)
Bases1
The contents of cytokinin bioactive forms (free bases and ribosides) were followed. (cas.cz)
Drought1
Drought injury symptoms have been associated with an inhibition in CK synthesis and maintenance of endogenous CK is associated with alleviation of drought damage. (rutgers.edu)
Growth4
Extensive research has identified cytokinins as a class of very effective antisenescence growth regulators (Woo et al. (bioagservicescorp.com)
Treatment of plants with the studied growth regulators caused a decrease in the pool of cytokinins (CK) in stems. (edu.ua)
Furthermore, we show that the alterations to protein expression triggered by growth at elevated CO 2 can help rebalance endogenous protein expression and/or increase foreign protein production in chloroplast-engineered tobacco. (biomedcentral.com)
It is postulated that when the drug decouples from receptors, there is a rebound increase release of met 5 -encephalin(opioid growth factor, OGF), that is metabolized to endorphins and encephalin, our endogenous pain killers. (centerforpain.net)
Effects2
Beneficial effects of SWE on heat tolerance appear to be associated with their organic, especially cytokinin, components and not the mineral (ashed) fraction. (bioagservicescorp.com)
At the standard dose, naltrexone blocks the effects of both the endogenous opioids, which are endogenous endorphins and prescription opioids. (centerforpain.net)
Root2
Exogenous 6-BA also increased root cytokinin level (Wang et al. (bioagservicescorp.com)