Vegetative Development and Organic Reserves of Tall Fescue Under Conditions of Accumulated Growth1

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Abstract
We evaluated tiller and bud development and storage of organic reserves by ‘Kentucky 31’ tall fescue under accumulated growth conditions. Number of tillers increased from June to July and remained fairly constant thereafter. Number of buds increased progressively from June to September before leveling off. Buds were located predominantly on the stem bases, with fewer buds on the nodes of connecting rhizomes. Most buds remained short or dormant from June 23 to November 12. Apparently, summer growth under accumulated growth conditions arose largely from tillers that were present in June; only a few buds elongated to form new tillers. Organic reserves increased 174% between August and November, followed by a 30% decline between January and February.

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