2021-03-08 · For almost a century, auxin had been well-known as the master regulator of apical dominance. Recently, however, sugars were shown to be the initial regulator of apical dominance, while strigolactones (SLs) and cytokinins (CKs) act downstream of auxin to control bud outgrowth. However, the interactions of the different pathways have remained outstanding questions. Here, we report that
Apical dominance (AD) and apical control (AC) are thought to be important control mechanisms in this developmental response. A two-phase AD-AC hypothesis
apical dominance. a condition in plants where the stem apex prevents the development of side shoots from lateral buds near the apex. The dominance is controlled by the presence of high concentrations of plant hormones (AUXINS) at the apex, produced by the apical bud. Further down the stem the auxin concentration is reduced and strong lateral branches are formed. Definition of apical dominance.
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A two-phase AD-AC hypothesis Mar 23, 2017 Axillary bud growth – and specifically its release from apical dominance – has been a longstanding and complex area of research. Correlative inhibition of the growth of lateral (axillary) shoots exerted by the growing apical bud … Overview[edit]. Apical dominance occurs when the shoot apex inhibits the growth of lateral buds so that the plant may grow vertically. It is important for the Jan 23, 2003 The central philosophy in the study of the regulation of plant shoot architecture is the concept of apical dominance, whereby the growing apical apical dominance. a condition in plants where the stem apex prevents the development of side shoots from lateral buds near the apex.
The domestication of crop plants has often involved an increase in apical dominance (the concentration of resources in the main stem of the plant and a corresponding suppression of axillary branches). A striking example of this phenomenon is seen in maize (Zea mays spp.
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It is best Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical dominance). They are produced in the stem, buds, and root tips. Example: Feb 2, 2016 Apical Dominance in Hedges describes the common process whereby the central stem of most plants grows more strongly than the side stems. ISHS XIII International Symposium on Flower Bulbs and Herbaceous Perennials Apical dominance maximizes reproductive strategies in Lilium longiflorum.
Contextual translation of "apikalt" into English. Human translations with examples: tip, apical, apex pleurisy, apical abscess, apical dullness, apical dominance.
Research Feed. av J Öhman · Citerat av 5 — Pruning is done to remove the apical dominance, to stimulate lateral bud development (Mc Lea 2009, 23) to reach a large amount of branches where the. However, rows 6–7 were added if the survival in the previous rows were low. Scored in 1–5 scale based upon apical dominance and straightness in spring 2002 stem elongation, tropism, and apical dominance. They are generally classified into the following groups; auxins, cytokinins, gibberellins and abscisic acid. Blowers, Andrew & Sundqvist, Göran (eds) (2010) (Special Issue 'Radioactive Waste Management – Technocratic Dominance in an Age of Participation').
Three theories of apical dominance, direct, diversion, and indirect, were proposed in the 1930s to explain how auxin synthesized in the shoot apex might inhibit axillary bud outgrowth, and thus shoot branching. The direct and diversion theories of apical dominance have been investigated in detail, a …
Apical dominance is the control exerted by the shoot apex over lateral bud outgrowth. The concepts and terminology associated with apical dominance as used by various plant scientists sometimes differ, which may lead to significant misconceptions. Apical dominance can be reduced in this case, or in cases where limbs are broken off by accident, by cutting off the auxin flow above side buds that one wishes to stimulate.
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In most plants, apical dominance results from the release of auxin by the apical meristem. The American Heritage® Science Dictionary Copyright © 2011. http://www.theaudiopedia.com What is APICAL DOMINANCE?
It is shown that (a) the solvent used for IAA, (b) the light intensity and (c) the nitrogen and phosphorus nutrition, all control the sensitivity of the buds to auxin inhibition. Using water instead of lanolin, lowering the light intensity or decreasing the supply of either nitrogen or phosphorus all increase the degree of apical dominance.
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They are involved primarily in cell growth and differentiation, but also affect apical dominance, axillary bud growth, and leaf senescence. De medverkar främst
2018 — apiary [eipjari] bigård. apical [äpikl, ei-J spets-, apiculture [eipikxltja] dominance [ddminansj (över-)makt; dominant nZJ mus dominant; Vad är skillnaden mellan Apical och Axillary Bud - Jämförelse av viktiga skillnader. Nyckelbegrepp.
What is apical dominance? It’s the phenomenon in plants where a main shoot dominates and inhibits the outgrowth of other shoots. In plants with strong apical dominance, main shoot tip damage or shoot tip loss, caused by pruning or herbivory, leads to the outgrowth of compact embryonic shoots (axillary buds) into branches.
The ScrOG method, however, discourages apical Auxins are also known for their role in maintaining apical dominance and plant polarity, and are involved in the plant signaling systems, which allows plant cells Apical dominance exerts a significant effect on shoot population fitness and can be However, loss of apical dominance is dependent on the timing of grazing, Auxins Cell Growth and Stem Elongation..16. Apical dominance.16. apical-dominance. GEC-ID. 0176727.
It is important for the Jan 23, 2003 The central philosophy in the study of the regulation of plant shoot architecture is the concept of apical dominance, whereby the growing apical apical dominance. a condition in plants where the stem apex prevents the development of side shoots from lateral buds near the apex. The dominance is Describes a tentative hypothesis for the control of plant branching (apical dominance).