Tag Archives: micromycetes

xxx A. Parfeniuk, V. Mineralova, I. Beznosko, A. Lishchuk, V. Borodai and V. Krut
Mycobiota of the rhizosphere of raspberry plants (Rubus idaeus L.) under the influence of varieties and new fertilizers in conditions of organic production
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Mycobiota of the rhizosphere of raspberry plants (Rubus idaeus L.) under the influence of varieties and new fertilizers in conditions of organic production

A. Parfeniuk¹, V. Mineralova¹*, I. Beznosko¹, A. Lishchuk¹, V. Borodai² and V. Krut³

¹Institute of Agroecology and Nature Management of NAAS of Ukraine, Metrologichna, 12, UA03143 Kyiv, Ukraine
²The National University of Life and Environmental Sciences of Ukraine, Heroiv Oborony, 15, UA03041 Kyiv, Ukraine
³Institute of Microbiology and Virology named after D.K. Zabolotnyi of NAAS of Ukraine, Academician Zabolotny, 154, UA03143 Kyiv, Ukraine
*Correspondence: valentinamk@ukr.net

Abstract:

The results of studies of influence of raspberry plant varieties and new organic fertilizers on the abundance and species composition of the micromycetes in rhizospheric soil in conditions of organic production are presented. The mycobiota of Joan J and Himbo-Top raspberry varieties during plant ontogeny was analyzed and the species composition of phytopathogenic micromycetes, which are presented in the rhizospheric plant soil, was defined. It was revealed that the following fungi species prevail in the population: Botrytis cinerea, Pers, Aspergillus niger, V. Tiegh, Alternaria alternata, (Fr.) Keissl, Fusarium sp. These fungi are producers of mycotoxins that can cause dangerous diseases in animals and humans. There is a stabilizing selection of microorganisms in the phase of separation of buds in inflorescences in the mycobiota of the rhizosphere of plants of raspberry varieties under the influence of the organic fertilizer VITERI with the addition of Basil essential oil.

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97-107 E. Bakšienė, A. Ražukas, T.L. Nedzinskienė,O. Salina and J. Repečkienė
Influence of various farming systems on agrochemical indices and amount of microorganisms in Haplic Luvisol
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Influence of various farming systems on agrochemical indices and amount of microorganisms in Haplic Luvisol

E. Bakšienė¹, A. Ražukas¹, T.L. Nedzinskienė¹,O. Salina² and J. Repečkienė²

¹Voke Branch of Lithuanian Institute of Agriculture, Žalioji a. 2, Trakų Vokė,LT-02232 Vilnius; e-mail: eugenija.baksiene@voke.lzi.lt
²Institute of Botany, Žaliųjų Ežerų 49, LT-08406, Vilnius;e-mail: olga.salina@botanika.lt

Abstract:

The article presents data from a study comparing the influence on plant productivity of three different farming systems – ecological, sustainable and chemical – and the use of various plants grown for green manure. Crops were lupine, white mustard and red clover. Calculations of the nutritional content of the soil in the experiments show that various crop rotations (treatments) affect the phosphorus and potassium balance.The data indicate that productivity of plant rotations depends on the plants cultivated andthe applied farming system. In all farming systems, the highest yield was achieved cultivating plants after fertilization with green manure (lupines and white mustard). The results of the experiments show that crop rotations result in negative nitrogen, phosphorus (except in sustainable and chemical farming systems) and potassium balance in the soil.Crop rotations had no effect on the soil acidity and increased total nitrogen and organiccarbon content in the soil. The amount of phosphorus in the soil increased in all farming systems; potassium increased only in the sustainable and chemical farming systems.Data indicating the number of micromycetes, organic and mineral nitrogen assimilatingbacteria in the rizosphere soil of various grown plants are also presented.

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