| Issue № 4 |
Original research |
pdf-version |
The effect of the phytomass of competing plants on the fruiting of bluegrass (Poa pratensis)
| Zagurskaya Yulia Vasilyevna | Ph.D., Federal Research Center of Coal and Coal Chemistry SB RAS, Kemerovo Leningradsky Ave., 10, syjil@mail.ru |
| Ufimtsev Vladimir Ivanovich | D.Sc., Federal Research Center of Coal and Coal Chemistry SB RAS, Kemerovo Leningradsky Ave., 10, uwy2079@gmail.com |
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Keywords: plant competition succession degraded forest soils bluegrass goldenrod seed reproduction Solidago canadensis Filipendula ulmaria Chamaenerion angustifolium Cirsium setosum |
Summary: The remediation of anthropogenically disturbed phytocenoses and the interaction of their components is not only of theoretical, but also of economic significance. Bluegrass (Poa pratensis), yellow thistle (Cirsium setosum), meadowsweet (Filipendula ulmaria) and rosebay willow herb (Chamaenerion angustifolium) are the main cenose-formers on degraded forest soils of the Kemerovo region. Of the invasive species that disrupt the natural development of communities, Canadian goldenrod (Solidago Canadensis) is the most widespread. We considered the fruiting aspects of the plants of meadow grass (Poa pratensis) with periodic application of phytomass of competitive plants growing in boxes in the open air. In the conditions of the 2022 growing season, Poa pratensis plants in all experimental variants entered the generative phase of development. Control plants had minimal seed maturity at the time of harvest, but a sufficiently large number of generative shoots forming. The best productive plants were formed with periodic application of rosebay willow herb (C. angustifolium) parts. In other variants, there was a decrease in the reproductive potential of experimental plants, especially the number of generative shoots. Generative development does not directly correlate with vegetative morphological traits. The observed changes are probably explained by changes in the characteristics of the soil substrate as a result of surface mulching by plant parts. © Petrozavodsk State University |
Received on: 08 July 2024 Published on: 23 December 2024 | |
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