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= a plant hormone/ endogenous plant growth substance hormone. they promote cell elongation of internodal regions. ie) in a dwarf plant the gene controlling gibberillins is turned off but if it is sprayed with gibberillins they will grow to normal height
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∙ 14y ago
Wiki User
∙ 12y agoit increase the plant height because of cell ilongation
Wiki User
∙ 10y agoGibberellin are produced by shoot apex.
Avena coleoptyle is used to demonstrate the action of gibberellin in cell elongation.
Wiki User
∙ 14y agoon root tip (apex) and shoot tip.
Wiki User
∙ 15y agoits a growth plant hormone
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What is produced in meristems?
gibberellins
Alkaloid production in plants is regulated by a change in the endogenous pool of?
gibberellins
How do the effects of abscisic acid differfrom those of gibberellins?
The answer to this question is that it matters on the seasonal changes.
What is the effect do gibberellins have on stem?
They cause stems to grow longer due to an extended internode distance.
Where are gibberellins made?
gibberllins are made in the spactory cells. the gibberllins can sometimes affect the practory cells and transfer them into the guardal cells.
What are the two types of plant hormones?
Auxins, cytokinins and gibberellins
Why do farmers hormones auxins and gibberellins in plant?
preventing from scencences
A plant that produces too little of the gibberellins might?
Stem elongation will be stunted.
What plant hormone is responsible for most tropisms?
Gibberellins are growth hormones that control plant height and bud development.
Both cytokinins and gibberellins promote plant growth. Compare the ways in which these hormones stimulate growth.?
Gibberellins promote cell growth by stimulating cell elongation. Cytokinins promote plant growth by stimulating mitosis and cell division.
What substances help plant growth?
Growth regulators help in plant growth. Examples are auxin, gibberellins, cytokinens etc.
Gibberellins cause plant growth by stimulating?
Gibberllins cause plant growth by stimulating cell division. It causes growth in the stems and leaves.
Which plant hormone is responsible for breaking the dormancy cycle in plants?
The plant hormone that is responsible for breaking the dormancy cycle in plants is gibberellins. The endosperm of a plant forms the food supply for the new sporophyte plant.
What is produced in meristems?
gibberellins
Japanese scientists found that the extraordinary growth of a certain rice plant was caused by?
Japanese scientists found that the extraordinary growth of a certain rice plant was caused by gibberellins. In Japan there is a lot of rice grown.
What are the 4 hormones used in horticulture?
Auxin,Cytokinin,Abscic Acids,Gibberellin,&Ethylene
Explain the role of gibberellins in the germination of wheat or barley?
They are plant hormones that regulate the growth and developmental processes of such plants. Please see the related link below for more information.
