THE ROOT METABOLITES OF SUNFLOWER PLANTS AS FACTOR INFLUENCE ON THE VIABILITY OF PHYTOPATHOGENIC FUNGUS ALTERNARIA ALTERNATA (FR.) KEISS

Authors

  • Ю. А. Туровнік Professor, Institute of Agroecology and Environmental Management of NAAS, Ukraine
  • А. І. Парфенюк Professor, Institute of Agroecology and Environmental Management of NAAS, Ukraine
  • О. С. Дем’янюк Professor, Institute of Agroecology and Environmental Management of NAAS, Ukraine
  • І. В. Безноско Professor, Institute of Agroecology and Environmental Management of NAAS, Ukraine

DOI:

https://doi.org/10.33730/2310-4678.1.2020.203936

Keywords:

sunflower hybrids, phytopathogenic micromycetes, exometabolites, allelopathy

Abstract

The presented results evaluating influence root metabolites hybrids sunflower Dushko and Oliver are on physiology properties and reproductive ability fungus Alternaria alternata (Fr.) The installed that root metabolites of sunflower hybrids Dushko and Oliver, depending on the technology cultivation, able as inhibit and stimulate the growth of phytopathogenic fungi also to influence on the intensity him sporification.

For results of the study established that the root metabolites of plants sunflower hybrid grown by organic technology, much reduce the intensity of sporulation fungus, compared with hybrids grown by traditional technology. Identified that the root metabolites of plants sunflower hybrid grown by organic technology are able to reduce degree of infectious loading in agrophytocenoses during the growing season and accordingly reduce degree of biological contamination by the phytopathogenic fungus A. alternata. The root metabolites of sunflower hybrids Dushko and Oliver are differentiated for influence on the speed of radial growth mycelium and the intensity of sporulation fungus.This is shows their different antifungal activity.This indicator should be used for ecological research of sunflower hybrids as a factor of biological pollution of agrocenoses, that will allow to managing the stability of agroecosystems and receiving ecologicalpure plant products

Author Biographies

Ю. А. Туровнік, Professor, Institute of Agroecology and Environmental Management of NAAS

Turovnik Yuliia Anatolivna — graduate student

А. І. Парфенюк, Professor, Institute of Agroecology and Environmental Management of NAAS

Parfenuk Alla Ivanivna — Doctor of Biological Sciences, Professor

О. С. Дем’янюк, Professor, Institute of Agroecology and Environmental Management of NAAS

Demyanyuk Elena Sergeevna — Doctor of Agriculture, Professor

І. В. Безноско, Professor, Institute of Agroecology and Environmental Management of NAAS

Beznosko Irina Volodymyrivna — PhD in Biological sciences

References

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Published

2020-05-20

Issue

No. 1 (2020)

Section

ECOLOGY

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