example: some herbicides- 2,4-D, 2,4,5-T (components of agent orange). Apical

The role of auxin in apical dominance Two papers in 1933 reported that auxin

Apical dominance in the tomato: The possible roles of auxin and abscisic acid.

Auxins are a class of plant growth substance (often called phytohormone or plant

Although the concept of apical dominance control by the ratio of cytokinin to

Therefore, apically derived auxin can suppress branching by .

The classic Thimann-Skoog or auxin replacement apical dominance test of

Auxin Acts in Xylem-Associated or Medullary Cells to Mediate Apical Dominance.

Auxin may therefore have a dual role in apical dominance by sustaining the

Auxin and Kinetin Interaction in Apical Dominance. C. R. Davies,; A. K. Seth and;

Apical dominance is thought to be caused by the apical bud producing IAA (auxin

Keywords: axillary buds, rhizomes, bud outgrowth, decapitation, auxin. Abstract.

This phenomenon is called an apical dominance. Although the involvement of

Oct 13, 2009 . This process is termed apical dominance and is dependent on the plant hormone

for this observation is that apical dominance is main- ~h~siologies may have

We present a new model that accounts for apical dominance, correlative

Apical dominance seems to result from the downward transport of auxin

Apical dominance seems to result from the downward transport of auxin

In particular, they are known to regulate axillary bud growth as well as affect

Common synthetic forms of auxins are indolebutyric acid (IBA) and

Apical dominance is a phenomenon in which a terminal bud inhibits the

Auxins; History; Functions of Auxins; Cell elongation; Reactivation of cambium;

Their interactions includes synergistic, antagonistic and additive, depending on

This phenomenon is called apical dominance. When the missing apex is

If overall speculative role is true, how should Auxin affect apical dominance?

Auxins affect, for example, the growth of buds, stems, leaves, and roots. In this

Auxins produced in the terminal buds suppress the growth of side buds and

A reappraisal of the role of abscisic acid and its interaction with auxin in apical

Tropistic responses - auxin mediates the tropistic (bending) response of shoots

Auxin-Gibberellin Interaction in Apical Dominance" 2. Tom K. Scott3, David B.

Sep 1, 2001 . Effects of the auxin-inhibiting substances raphanusanin and benzoxazolinone on

Key words: axillary buds, apical dominance, auxin, cytokinin, sunflower.

Auxin-Gibberellin Interaction in Apical Dominance 1,2. Tom K. Scott,3 David B.

(2006) Aloni et al. Annals of Botany. Read by researchers in: 82% Biological

apical dominance remain largely unknown. It has been suggested that the

Also auxin stimulates differentiation and branching, the development of fruit, and

production of auxin by the shoot apex stops growth of neighboring lateral buds - “

Addition of auxin to decapitated shoots restores apical dominance, thus replacing

Auxin is a plant hormone that plays an inportant role in several plant activities,

May 18, 2010 . Auxins promote stem elongation, inhibit growth of lateral buds (maintains apical

Auxin-Gibberellin Interaction in Apical Dominance 12. Scott, Tom K.,; Case,

Jan 1, 2000 . Apical Dominance. The presence of auxins in the lateral areas of the plant (in

Auxin induces shoot apical dominance; the axillary buds are inhibited by auxin,

Because of the strong evidence for a role of auxin as a repressor signal in apical

Auxins play a role in stem elongation and apical dominance. . Related to apical

Aug 2, 2011 . According to the auxin-inhibition hypothesis of apical dominance, apically

PHYSIOLOGIA PLANTARUM, VOL. 11. 1958. The Antagonism of Auxin and

According to the auxin-inhibition hypothesis of apical dominance, apically

notypes of bud] plants include loss of apical dominance, reduced plant size and

1, both auxin and GA signals promote parthenocarpic fruit development (Vivian-

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