Journal of Food, Agriculture and Environment
Vol 12,
Issue 2,2014
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Comparison of morphological features of Setaria pumila, grown in ex situ conditions
Author(s):
Asta Klimienė,
Rimanta VainorienėRecieved Date: 2014-02-10, Accepted Date: 2014-04-08
Abstract:Morphological variations of 14 Setaria pumila (Poir.) Schult. collection samples have been investigated according to 13 features and the weight of 1000 seeds has been determined. Investigated Setaria pumila individuals were determined in consignments of maize (12 samples), rye (1) and barley (1). There were 14 Setaria weeds grain specimens from 4 East European countries (Belarus, Moldova, Russia and Ukraine). Seeds of Setaria pumila were germinated and plants were grown in the greenhouse of Botanical Garden of Šiauliai University. Research shows that Setaria pumila individuals, native of different geographical regions, phenotypically vary and significantly differ according to several indicators. Morphological differences are determined by competition and different environmental conditions. Setaria pumila weeds evidently adapt to agrocenosis of cultural plants. Setaria pumila, which was growing in maize, diverges not only by higher stems, but also by other morphological parameters. Individuals from Russia and Belarus were statistically reliably different. Collection samples from Ukraine are morphologically heterogeneous. Two collection samples from Ukraine were forming common group with individuals from Russia and Belarus. According to characteristics of morphological features, samples of plants from Moldova and 8 samples from Ukraine fell into separate groups.
Keywords:Setaria pumila,
contamination, exotic weed seeds, accidentally imported plant, ex situ, morphological variationJournal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Environment
Pages: 1087-1091
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