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because you are not removing the root which is the source where plants take in food and water needed for photosynthesis and growth. It is similar to us getting a hair cut. If we rip our hair out it is gone but if we cut it continues to grow because the follicle is still there.

2006-10-17 14:50:52 · answer #1 · answered by jdaddy76 2 · 2 0

Ok, first of all, the roots being there is valid in that if you yank up a plant, removing the roots, it will die. However, this is not the reason it continues to grow, but only part of the reason it continues to live. Grass continues to grow because of the location of the meristematic tissue (cells that can divide and make more cells), not just because the roots are still there. In most plants, meristematic tissue is found at tips of roots and shoots, and axillary buds (these are typically inactive until the primary, or "main" bud is damaged or pinched off)- this is valid for dicots. Grass is a monocot, thus has a whole different set of "meristem rules". The meristmatic tissue isn't once gone, gone forever in monocots-

2006-10-18 10:40:32 · answer #2 · answered by kimbee 1 · 0 0

The roots still being present is only part of the answer here. Many plants, grasses included, have the ability to change the forms of their cells from one to another depending on what conditions the plant is experiencing. In this case the damage to the plant caused by mowing causes the cells near the damage to change from a "somatic" or "just sitting there getting energy from the sun" state to a growth state by becoming Meristematic. This means they can grow and divide and become any of the cell types needed to recover the full structure of the grass blade.

2006-10-17 15:01:51 · answer #3 · answered by beatmassacre 1 · 2 0

Because grasses, unlike most plants, have their meristematic tissue (the growth point) at their base rather than their tip. If you cut the tip of most plants they'll either die or branch if you cut them high enough (because you've removed the part that regulates single-stem growth), but you're not cutting off the regulatory and growing part of the grass.

2006-10-17 16:54:26 · answer #4 · answered by candy2mercy 5 · 2 0

This is actiually a good question. If you were to continually cut the tips of most plants they would eventually die or become severely stunted. That is because most plants have growth tissue (meristem) at the tips of roots and shoots. Grass grows from its base. This may have been important in the evolution of grazing mammals or may have even evolved due to grazing mammals.

2006-10-17 15:43:08 · answer #5 · answered by snorkelsc 2 · 4 0

I mow in concentric circles, with the clippings expelled far off from the uncut factors. in case you expel clippings in uncut factors you clog up the undercarraige/blade plenty quicker and shrink performance. (Assuming you're no longer utilising a mulching mower or a rear series bag.) My mower can do the two, yet there are nevertheless some area ejected clippings no count what. a minimum of I no longer could rake. The consequence interior the grass is a squared spiral of traces.

2016-12-13 10:16:24 · answer #6 · answered by ? 4 · 0 0

The top of the grass is like our hair.When you cut your hair you do not remove them by the roots so it still continues to grow.It's the same for the grass

2006-10-17 15:40:27 · answer #7 · answered by Anonymous · 1 0

because the grass continues to grow

2006-10-18 07:19:49 · answer #8 · answered by shiara_blade 6 · 0 0

Why can you cut the end of your hair off & continue to see growth???
BECAUSE your are NOT cutting the roots!!!!!

2006-10-17 15:15:26 · answer #9 · answered by More Lies & More Smoke Screens 6 · 0 0

because the roots aren't killed

2006-10-17 14:54:37 · answer #10 · answered by ? 7 · 0 0

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