Abstract
A new mathematical treatment is given to the concept of relative elemental growth rate, the limiting value at a point of the relative rate of tissue growth. The new point of view requires consideration of a coordinate system in which each point on the root surface is defined by its initial position on the root axis. The resultant technique of plotting growth parameters provides the ability to distinguish between waves of growth propagating toward the root tip away from cells and waves which tend to propagate along with the cells. Thus it is possible to model the plant growth-regulatory process in terms of auxin and other regulators, considering both cell-associated maxima of regulator concentration and maxima which propagate through the tissue.
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Claims 2
Claim · model-written summary
The plotting technique distinguishes waves of growth propagating toward the root tip from waves propagating along with the cells in maize primary roots.
- Organ / stage
- Primary Rootst0
- Outcome
- distinguish between waves of growth propagating toward the root tipe1
- Comparator
- waves which tend to propagate along with the cellse1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“zea mays Primary Roots”
e1“provides the ability to distinguish between waves of growth propagating toward the root tip away from cells and waves which tend to propagate along with the cells”
Claim · model-written summary
The growth-regulatory process of maize primary roots can be modelled in terms of auxin and other regulators, with cell-associated maxima and maxima propagating through the tissue.
- Compound
- auxine2
- Outcome
- plant growth-regulatory processe2
- Comparator
- cell-associated maxima of regulator concentratione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“zea mays Primary Roots”
e2“model the plant growth-regulatory process in terms of auxin and other regulators, considering both cell-associated maxima of regulator concentration and maxima which propagate through the tissue”