Journal of Food, Agriculture and Environment

Impact of fertilization and sowing time on formation of productivity seedling elements of Festulolium

Author(s):

Jolanta Leliūnienė ¹*, Giedrė Samuolienė ², Evaldas Klimas ¹, Pavelas Duchovskis ^{1, 2}

Recieved Date: 2014-01-04, Accepted Date: 2014-04-02

Abstract:

The aim of the present study was to examine the impact of NPK fertilization amount and of sowing time on some agronomic characteristics (such as vegetative and generative shoots formation, aboveground dry mass, seed-head and seed yield) of Festulolium crop. The experiment was performed in a simple seed gleyic luvisol in 2011-2013 in Lithuania. The first experiment was performed in 2011 during 3 different sowing times (1^st of June – early sowing, 22^nd of June – medium sowing and 12^th of July – late sowing). The second experiment was performed in 1^st of May – early sowing, 1^st of June – medium sowing and 1^st of July – late sowing in 2012. It was repeated 4 times with two cultivars of Festulolium: Punia (L. perenne x F. pratensis.) and Vėtra (L. perenne x F. arundinacea). Analyses were performed before wintering and after wintering (tillering phase) and during anthesis. According to the obtained results, the lower NPK fertilizer rate was sufficient for shoots formation, aboveground dry mass yield, seed-head formation and seeds yield. These indices were differently influenced by several factors: variety, a seasonal pattern of meteorological conditions in specific year, NPK fertilizer and sowing time. Under the conditions of this study, number of seeds did not correlated with seed-head formation and no significant interaction on seed amount between sowing time and NPK fertilizer rate was found, whereas both factors significantly affected the seed-head formation of cv. Punia in 2013. There were no common tendencies found of sowing time influence on tested agronomic characteristics, the effects were remarkably small, and only a few interactions between sowing time and fertilizers rate were statistically significant.

Keywords:

Festulolium, dry mass, seeds, fertilization, sowing time, vegetative shoots, generative shoots

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Journal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 2
Category: Agriculture
Pages: 515-519

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