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・ Tillberga IK Bandy
・ Tille
・ Tille (river)
・ Tille Höyük
・ Tille trevally
・ Tillebrook Provincial Park
・ Tilleda
・ Tilleda, Wisconsin
・ Tillegem Castle
・ Tillegra Dam proposal
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・ Tiller
Tiller (botany)
・ Tiller (disambiguation)
・ Tiller (horse)
・ Tiller Church
・ Tiller Girls
・ Tiller IL
・ Tiller Ranger Station
・ Tiller Upper Secondary School
・ Tiller, Norway
・ Tiller, Oregon
・ Tillergone Slope
・ Tillerman Cycle
・ Tilleroyes
・ Tillers of the Soil
・ Tillery-Fries House


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Tiller (botany) : ウィキペディア英語版
Tiller (botany)
A tiller is a stem produced by grass plants, and refers to all shoots that grow after the initial parent shoot grows from a seed.〔See (Parts of a Grass Plant ) for an illustration.〕 Tillers are segmented, each segment possessing its own two-part leaf. They are involved in vegetative propagation and, in some cases, also seed production.
"Tillering" refers to the production of side shoots and is a property possessed by many species in the family Poaceae. This enables them to produce multiple stems (tillers) starting from the initial single seedling. This ensures the formation of dense tufts and multiple seed heads. Tillering rates are heavily influenced by soil water status. When soil moisture is low, grasses tend to develop more sparse and deep root systems (as opposed to dense, lateral systems). Thus tillering is inhibited; the lateral nature of tillering is not supported by lateral root growth in dry soils.
==References==



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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