Lecture 21 - 03:31 ServicePaper: Nomorethan5pages...

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03:31 Service Paper: No more than 5 pages Can incorporate reflections  Not a scientific paper  Turf: /lawns are a central element of the American landscape  Something you can walk on, cover the soil  Some grasses grow uniquely, have underground rhizomes – spread  Grasses that are good for lawns are contiguous  Why have a lawn: Aesthetically pleasing  Recreation / play space  Cooling – house is cooler  Collect dust and pollution Produces oxygen  Increase home value Prevents erosion Why not have a lawn: Energy consuming Toxic chemicals – not good for pets or kids to play on 
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Expensive to maintain  More input than any other landscape!  Grasses Anatomy Growth Traditional and ornamental Cultivation Anatomy and Growth Meristem is at the base of the crown  Leaves are all wrapped around one another  Can have rhizomes (underground stem) or stolons (above ground stem) Can mow grass – can cut at top and will continue to grow Roots  Stems Leaves Tillers  Another set of leaves come out from base of crown  See more in crops  Basic growth - corn ex: Meristem, radical and shoot meristem   surrounded by unique leaf growth Primary root goes down and then branching off that to help anchor plant 
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No stem is all leaves Variety of Inflorescences  Lots of different forms of flowers Fertile spike Each are separate flowers, come in pairs  Flowers are perfect  Most grasses are wind pollinated 
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This note was uploaded on 02/17/2012 for the course HORTI 120 taught by Professor Paterson during the Fall '11 term at Wisconsin.

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Lecture 21 - 03:31 ServicePaper: Nomorethan5pages...

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