Auxin

These are substances found in places such as plant sprouts and human urine which stimulates growth in plant tissues promoting root formation.

Auxin

A plant growth-regulating substance (Indol-3-ylacetic acid) found in plants that stimulates cell elongation in plant tissues.

auxin

(Green plants as organisms) a plant hormone which triggers growth

Auxin

Auxins (plural of auxin n) are a class of plant hormones (or plant growth substances) with some morphogen-like characteristics. Auxins have a cardinal role in coordination of many growth and behavioral processes in the plant`s life cycle and are essential for plant body development. Auxins and their role in plant growth were first described by th....
Found on http://en.wikipedia.org/wiki/Auxin

auxin

<plant biology> A group of plant growth substances (often called phytohormones or plant hormones), the most common example being indole acetic acid (IAA), responsible for raising the pH around cells, making the cell wall less rigid and allowing elongation. ... Auxins include indoleacetic acid, phenylacetic acid, and 4-chloro-indoleacetic acid...
Found on http://www.encyclo.co.uk/local/20973

auxin

noun a plant hormone that promotes root formation and bud growth
Found on https://www.encyclo.co.uk/local/20974

Auxin

A hormone that controls plant growth.
Found on http://www.encyclo.co.uk/local/20077

Auxin

A natural plant hormone or synthetic substance that affects the growth and development of all plant parts, auxins govern many biological processes in plants such as cell enlargement and division, differentiation of vascular tissue, apical dominance, root initiation and signaling.
Found on http://www.rollitup.org/general-marijuana-growing/98008-glossary-terms.html

auxin

A plant growth regulator that controls cell elongation; important in many plant growth responses such as phototropism and geotropism.
Found on http://assoc.garden.org/courseweb/course1/glossary.htm

auxin

any of a group of hormones that regulate plant growth, particularly by stimulating cell elongation in stems and inhibiting it in roots. For example, ... [12 related articles]
Found on http://www.britannica.com/eb/a-z/a/129

auxin

Any of a group of hormones that regulates plant growth. Auxins especially stimulate cell elongation in stems and inhibitition in roots. They also control abscission and the plant's responses to light (see phototropism) and gravity (see gravitropism). Natural auxins are derivatives of indole. Synthet...
Found on http://www.daviddarling.info/encyclopedia/A/auxin.html

auxin

auxin (ôk'sin) , plant hormone that regulates the amount, type, and direction of plant growth. Auxins include both naturally occurring substances and related synthetic compounds that have similar effects. Auxins are found in all members of the plant kingdom. They are most abundantly produc...
Found on http://www.infoplease.com/ce6/sci/A0805426.html

Auxin

Auxin is a hormone that promotes stem and root growth in plants. Auxins influence many aspects of plant growth and development, including cell enlargement, inhibition of development of axillary buds, tropisms, and the initiation of roots. Synthetic auxins are used in rooting powders for cuttings, and in some weed killers, where high auxin concentra...
Found on http://www.probertencyclopaedia.com/browse/BAA.HTM

Auxin

Classification of plant hormones; auxins are responsible for foliage and root elongation.
Found on http://beebetter.info/2016/07/garden-glossary/

Auxin

Classification of plant hormones; auxins are responsible for foliage and root elongation.
Found on http://gardeningwithconfidence.com/blog/2013/03/21/garden-glossary/

Auxin

compound regulating the growth of plants.
Found on http://wheatdoctor.org/glossary?showall=&start=1

auxin

Plant hormone that regulates stem and root growth in plants. Auxins influence many aspects of plant growth and development, including cell enlargement, inhibition of development of axillary buds, tropisms, and the initiation of roots. Auxin affects cell division mainly at the tip, because it is here that cell division in a stem or root mainly occur...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0007030.html

auxin

[n] - a plant hormone that promotes root formation and bud growth
Found on http://www.webdictionary.co.uk/definition.php?query=auxin
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