Consolida regalis Gray seed production as influenced by the habitat and crop plant in the Western Podlasie region

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Title Consolida regalis Gray seed production as influenced by the habitat and crop plant in the Western Podlasie region
Autor: Skrajna, Teresa; Ługowska, Maria; Skrzyczyńska, Janina
URI: http://hdl.handle.net/11331/3465
https://doi.org/10.5586/aa.2013.063
Date: 2013
Źródło: Acta Agrobotanica. Vol. 66, No. 4 (2013), s. 165-172
Abstract: Studies were conducted in 2007–2009 in the Western Podlasie region to examine the seed production potential of Consolida regalis under different habitat conditions. Consolida regalis populations from 15 sites representing the habitat amplitude of this species were examined. Thirty morphologically different plants were sampled from each habitat and soil samples were taken to determine soil contents of available phosphorus (P), potassium (K) and magnesium (Mg) as well as pH. The results were statistically analysed. The seed production potential of the species studied was most strongly correlated with soil contents of magnesium (Mg), potassium (K), phosphorus (P) and soil pH. By contrast, the kind of crop plant and its cover were insignificant. Of the plant characteristics, plant height and traits associated with inflorescence structure had a significant influence on seed production potential. The populations with the greatest seed production potential produced an average of 1287 and 965 se- eds per plant. These populations were associated with the most fertile sites (good wheat soil complex) where the differences in seed production potential resulted from the nutrient contents and soil pH. By contrast, the least seeds were produced by plants growing on poor and acidic light soils. The average seed number per plant ranged from 42 to 83. Low concentrations of the nutrients examined were determined, with the soil content of magnesium being very low

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