Taxonomic Composition and Systematic Dendroflora Structure in Belozersk

Complete text of the article:

Download article (pdf, 0.4MB )

UDС

UDC 630*232

DOI:

10.17238/issn0536-1036.2016.4.54

Abstract

Studies of the choice of the ingredients and optimization of ratios of composite polymeric structures and target additives are necessary for the development of the technology of pellet-ed seeds and their subsequent use in the forest nursery economy. It will allow the more ra-tional use of expensive seeds and provide the forest planting by the standard planting mate-rial. Seeds of Scotch pine from the first to the third quality classes have been studied. The weight of 1000 pieces of seeds varied from 6.35 to 7.83 g, and the purity – from 96.0 to 99.1 %. The laboratory researches on the determination of viability and energy of germi-nation of pelleted seeds of conifers were carried out by the technique developed by the au-thors. We used plastic germinators and double crepe filter paper. The height of one tooth of crepe filter paper was 20±1 mm. The optimum values of concentration of ingredients of the polymeric structure for the maximum values of moisture-holding ability and durability at a gap were various. The comparison of the significance coefficients allowed defining the following optimum ratios of the components in the polymeric composition (wt, %): vegeta-ble polysaccharides based on pine – 62…70; sodium carboxymethyl cellulose – 7…12; sap-ropel – 5…9; water. The best quality indicators of the received pelleted seeds were observed in the variants with the shared use of vegetable polysaccharides with the particles of the size of 350…400 microns. The strength of the coated seed pellets under compression of the frac-tions was maximum and made 34…37 N. Analysing the received test batches of pelleted seeds in these variants of the experiment we can assert that nearly 100 % of seeds have the optimum uniform size of granules, and their strength (20…30 N) allows using similar seeds in mechanized planting in the forest nurseries for the cultivation of planting material.

Authors

M.M. Andronova, Candidate of Engineering Sciences

Affiliation

Vologda Institute of Law and Economics of the Federal Penal Service, Shchetinin str., 2, Vologda, 160002, Russian Federation; е-mail: kafedra214@mail.ru

Keywords

dendroflora, landscaping, town, introducers, extrazonal species, family, shrub.

References

1. Drozdov I.I., Yangutov A.I. Metodicheskie rekomendatsii po izucheniyu lesnykh kul'tur introdutsirovannykh porod [Guidelines for the Study of the Forest Plantations of Introduced Species]. Moscow, 1984. 41 p.
2. Zherebtsova G.P., Pronin M.I., Yakubov Kh.G. Pravila provedeniya inventari-zatsii zelenykh nasazhdeniy i pasportizatsiya ozelenennykh territoriy [Rules of the Amenity Stands Inventory and Certification of Green Areas]. Moscow, 1998. 40 p.
3. Zolotareva E.V., Samoshkin E.N. Vidovoy sostav i sostoyanie drevesnykh intro-dutsentov v nasazhdeniyakh g. Orla [Species Composition and the State of Arboreal Alien Crops in the Orel City Stands]. Lesnoy zhurnal, 2012, no 3, pp. 33–36.
4. Instruktsiya po provedeniyu inventarizatsii i pasportizatsii gorodskikh ozelenen-nykh territoriy [Instructions for Inventory and Certification of Urban Green Areas]. Moscow, 2002. 22 p.
5. Metodika provedeniya edinovremennoy inventarizatsii introdutsirovannykh le-snykh porod [Methodology of the One-Time Inventory of the Introduced Forest Species]. Moscow, 1986. 24 p.
6. Mingaleva N.A., Pestov S.V., Zagirova S.V. Zhiznennoe sostoyanie i bi-opovrezhdeniya list'ev introdutsirovannykh derev'ev i kustarnikov v zelenykh nasazhdeni-yakh goroda Syktyvkara [Life Status and Foliage Biological Impairment of Alien Trees and Brushwoods in the Green Zones of the City of Syktyvkar]. Lesnoy zhurnal, 2012, no 4, pp. 25–32.
7. Nilov V.N. Rekomendatsii po assortimentu drevesnykh rasteniy dlya ozeleneniya gorodov i poselkov Severa [Guidelines for the Range of Woody Plants for Landscaping of the Cities and Settlements of the North]. Arkhangelsk, 1981. 19 p.
8. Srodnykh T.B. Sostoyanie ozeleneniya v gorodakh severa Zapadnoy Sibiri [Status of Gardening in the Cities in the North of Western Siberia]. Lesnoy zhurnal, 2005, no 3, pp. 26–33.
9. Godron M., Forman R.T.T. Landscape Modification and Changing Ecological Characteristics. Disturbance and Ecosystems, Components and Responses. Ed. by H.A. Mooney, M. Godron. New York, 1983, pp. 12–28.
10. Faeth S.H., Bang C., Saari S. Urban Biodiversity: Patterns and Mechanisms. An-nals of the New York Academy of Sciences, 2011, no. 1223, рр. 69–81. 10.1111/j. 1749-6632.2010.05925.
11. Zipperer W.C., Burgess R.L., Nyland R.D. Patterns of Deforestation and Refor-estation in Different Landscape Types in Central New York. Forest Ecol. Manage., 1990, no. 36, pp. 103–117.
12. Zipperer W.C., Susinni S.M., Pouyat R.V. Urban Tree Cover: an Ecological Per-spective. Urban Ecosystems, 1997, no. 1, pp. 229–246.
Received on February 09, 2015