Mogućnost zaštite šampinjona od paučinaste plesni sterilisanjem pokrivke ekološkim sredstvima

  • Ivana S Potočnik Institut za pesticide i zaštitu životne sredine, Banatska 31b, Beograd
  • Emil Rekanović Institut za pesticide i zaštitu životne sredine, Banatska 31b, Beograd
  • Miloš Stepanović Institut za pesticide i zaštitu životne sredine, Banatska 31b, Beograd
  • Svetlana Milijašević-Marčić Institut za pesticide i zaštitu životne sredine, Banatska 31b, Beograd
  • Biljana Todorović Institut za pesticide i zaštitu životne sredine, Banatska 31b, Beograd
  • Ljiljana Nikolić-Bujanović IHIS Techno-Experts, Batajnički put 23, 11080 Beograd
  • Milan Čekerevac IHIS Techno-Experts, Batajnički put 23, 11080 Beograd
Ključne reči: Soil disinfection||, ||Dezinfekcija zemljišta, Colloidal silver||, ||koloidno srebro, Peracetic acid||, ||persirćetna kiselina, Prochloraz||, ||prohloraz, Cladobotryum dendroides||, ||Cladobotryum dendroides, Agaricus bisporus||, ||Agaricus bisporus,

Sažetak


Zemljišna mikromiceta Cladobotryum dendroides izaziva paučinastu plesan šampinjona (Agaricus bisporus) i nanosi značajne štete u proizvodnji. Uobičajen način dezinfekcije pokrivke za gajenje šampinjona je tretiranje formaldehidom koji ima toksična svojstva. Cilj ovog rada je ispitivanje mogućnosti primene dva ekološka dezinfekciona sredstva na bazi koloidnog srebra i persirćetne kiseline u suzbijanju C. dendroides. Određena je njihova efikasnost, uticaj na prinos šampinjona i međusobna reakcija sa fungicidom prohloraz-Mn.

Pokrivka od crnog treseta i kreča je stavljena na supstrat zasejan micelijom šampinjona soj 737, inokulisana patogenom C. dendroides i tretirana fungicidom prohloraz-Mn i ekološkim dezinficijensima na bazi persirćetne kiseline i koloidnog srebra. Uticaj antifungalnih supstanci na prinos (biološka efikasnost) je određen kroz srazmeru mase ukupnog prinosa šampinjona i mase suvog supstrata. Efikasnost fungicida u suzbijanju patogena i sinergistički faktor su izračunati primenom Abotove formule. Sinergizam između prohloraz-Mn i oba dezinficijensa je određen pomoću Limpelove formule.

Najveća biološka efikasnost je utvrđena u tretmanima sa prohloraz-Mn, preko 92,00,
primenjenim pojedinačno ili u kombinaciji sa oba dezinficijensa. Najveća efikasnost u
suzbijanju patogena, 93.33%, postignuta je u kombinovanoj primeni fungicida sa persirćetnom kiselinom. Ustanovljen je sinergizam između fungicida i persirćetne kiseline i antagonizam u kombinovanoj primeni fungicida i koloidnog srebra.

Primenom persirćetne kiseline omogućena je veća efikasnost u poređenju sa koloidnim
srebrom u suzbijanju prouzrokovača paučinaste plesni, bilo da je primenjena pojedinačno ili u kombinaciji sa fungicidom. Na osnovu ovih ispitivanja, može se preporučiti primena persirćetne kiseline kao ekološkog dezinficijensa pokrivke za gajenje šampinjona i zaštitu od paučinaste plesni.

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Objavljeno
2015/02/10
Kako citirati
Potočnik, I. S., Rekanović, E., Stepanović, M., Milijašević-Marčić, S., Todorović, B., Nikolić-Bujanović, L., & Čekerevac, M. (2015). Mogućnost zaštite šampinjona od paučinaste plesni sterilisanjem pokrivke ekološkim sredstvima. Pesticides and Phytomedicine / Pesticidi I Fitomedicina, 29(4). https://doi.org/10.2298/pif.v29i4.7225
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