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Glasnik Zaštite Bilja, Vol. 45. No. 4., 2022.

Professional paper

https://doi.org/10.31727/gzb.45.4.8

Biofumigation – use of specialized cover crops in plant protection

Dinka Grubišić ; Agronomski fakultet, Sveučilište u Zagrebu, Hrvatska
Petra Tišljar ; Agronomski fakultet, Sveučilište u Zagrebu, Hrvatska
Mirjana Brmeź ; Fakultet agrobiotehničkih znanosti Osijek, Sveučilište J. J. Strossmayera u Osijeku, Hrvatska
Ivan Juran ; Agronomski fakultet, Sveučilište u Zagrebu, Hrvatska

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Abstract

Biofumigation is a method of controlling soil-born pests based on the cultivation of plant species that produce inhibitory chemical compounds, known as secondary metabolites. The biofumigant effect was found in plants from the Brassicaceae family, which contain glucosinolates in their tissues. In most cases, biofumigant species are sown as cover crops in the meantime between commercial crops, grown and crushed and incorporated into the soil during the flowering phase, in order to release isothiocyanates in the hydrolysis process. Isothiocyanates are the active substance of synthetic preparations. Numerous studies indicate that biofumigation leads to a significant reduction in pest populations, the symptoms they cause, and increases in yield and quality. For the purpose of biofumigation, seed flours of biofumigant species in the formulation of powder or pellets are also used. In addition to protecting commercial crops from pests, growing biofumigant crops provides other benefits to the treated area, such as improving the soil structure, preventing soil compaction or soil erosion by water or wind, improving nutrient utilization in the soil, enriching the soil with organic matter and increasing populations of some beneficial microorganisms. To improve the use of biofumigation, it is necessary to conduct research in specific pedoclimatic conditions of the Republic of Croatia and education of producers, to integrate this environmentally friendly method of plant protection into organic and integrated agricultural production.

Keywords

glucosinolate; isothiocyanate; Brassicaceae; biological control of soil-borne organisms

Hrčak ID:

281312

URI

https://hrcak.srce.hr/281312

Publication date:

14.7.2022.

Article data in other languages: croatian

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License (open-access, http://creativecommons.org/licenses/by/2.5/):

Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

License (open-access):

Ovo je članak s otvorenim pristupom distribuiran pod uvjetima licence Creative Commons Attribution, koji dopušta neograničenu upotrebu, distribuciju i reprodukciju u bilo kojem mediju, pod uvjetom da se izvorno djelo pravilno citira.

License (open-access):

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Date received: 31 May 2022

Date accepted: 30 June 2022

Publication date: 14 July 2022

Volume: 45

Issue: 4

Pages: 82-87

DOI: 10.31727/gzb.45.4.8

Article Information (continued)

Categories:

Subject: Stručni rad

Categories:

Subject: Case-report

Keywords:

Keyword: glukozinolati

Keyword: izotiocijanati

Keyword: Brassicaceae

Keyword: biološko suzbijanje štetnih organizama u tlu

Keywords:

Keyword: glucosinolate

Keyword: isothiocyanate

Keyword: Brassicaceae

Keyword: biological control of soil-borne organisms

Biofumigacija - primjena specijaliziranih pokrovnih usjeva u zaštiti bilja

Translated Title (en): Biofumigation – use of specialized cover crops in plant protection

Dinka Grubišić[1]

Email: djelinic@agr.hr

Petra Tišljar[1]

Email:

Mirjana Brmeź[2]

Email:

Ivan Juran[1]

Email:

 

[1] Agronomski fakultet, Sveučilište u Zagrebu, Hrvatska

[2] Fakultet agrobiotehničkih znanosti Osijek, Sveučilište J. J. Strossmayera u Osijeku, Hrvatska

Abstract

Biofumigacija je metoda suzbijanja štetnih organizama u tlu koja se temelji na uzgoju biljnih vrsta koje proizvode inhibitorne kemijske spojeve, poznate kao sekundarni metaboliti. Biofumigantni učinak utvrđen je u biljaka iz porodice Brassicaceae, koje u svojim tkivima sadrže glukozinolate. U većini slučajeva, biofumigantne vrste siju se i uzgajaju kao pokrovni usjevi u međuvremenu između komercijalnih usjeva, te se u fazi cvatnje usitnjavaju i inkorporiraju u tlo, kako bi u procesu hidrolize došlo do oslobađanja izotiocijanata. Izotiocijanati aktivna su tvar sintetskih pripravaka. Brojna istraživanja ukazuju kako biofumigacija dovodi do značajne redukcije populacija štetnih organizama, simptoma koje oni uzrokuju te povećanja prinosa. Osim sjetve usjeva, u svrhu biofumigacije primjenjuju se i brašna sjemena biofumigantnih vrsta u formulaciji prašiva ili peleta. Uz zaštitu komercijalnih usjeva od štetnih organizama, uzgoj biofumigantnih usjeva osigurava i druge koristi na tretiranoj površini, poput poboljšavanja vodozračnog režima, sprječavanja zbijanja tla ili erozije tla vodom ili vjetrom, poboljšavanja iskorištavanja hranjiva u tlu, obogaćivanja tla organskom tvari i porasta populacija nekih korisnih mikroorganizama. U svrhu što bolje iskoristivosti biofumigacije, potrebno je provesti istraživanja u specifičnim pedoklimatskim uvjetima Republike Hrvatske te edukacije proizvođača, kako bi ovu ekološki prihvatljivu metodu zaštite bilja od štetnika integrirali u ekološku, ali i u integriranu poljoprivrednu proizvodnju.

Translated Abstract

Biofumigation is a method of controlling soil-born pests based on the cultivation of plant species that produce inhibitory chemical compounds, known as secondary metabolites. The biofumigant effect was found in plants from the Brassicaceae family, which contain glucosinolates in their tissues. In most cases, biofumigant species are sown as cover crops in the meantime between commercial crops, grown and crushed and incorporated into the soil during the flowering phase, in order to release isothiocyanates in the hydrolysis process. Isothiocyanates are the active substance of synthetic preparations. Numerous studies indicate that biofumigation leads to a significant reduction in pest populations, the symptoms they cause, and increases in yield and quality. For the purpose of biofumigation, seed flours of biofumigant species in the formulation of powder or pellets are also used. In addition to protecting commercial crops from pests, growing biofumigant crops provides other benefits to the treated area, such as improving the soil structure, preventing soil compaction or soil erosion by water or wind, improving nutrient utilization in the soil, enriching the soil with organic matter and increasing populations of some beneficial microorganisms. To improve the use of biofumigation, it is necessary to conduct research in specific pedoclimatic conditions of the Republic of Croatia and education of producers, to integrate this environmentally friendly method of plant protection into organic and integrated agricultural production.

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