How Soil-Applied Maltodextrin with Caraway (Carum carvi L.) Oil Affects Weed and Soil Microbiological Activity in Maize (Zea mays L.) Stands

Agnieszka Synowiec , Anna Lenart-Boroń , Jan Bocianowski , Andrzej Lepiarczyk , Danuta Kalemba


The essential oil (EO) of caraway (Carum carvi L.) is a confirmed source of herbicidal compounds. Therefore, the object of this study was to determine the effect of soil-applied maltodextrin (MD) microcapsules containing approximately 12% caraway EO on weed infestation in maize (Zea mays) stands, the yield of maize and the number of colonies of soil microbes. A two-year field experiment was set up in a randomized block design on brown podzolic soil. It was shown that the MD-EO microcapsules affected the number of only some annual weeds, such as G. quadriradiata, G. parviflora, and E. crus-galli. The dry mass of monocotyledonous and dicotyledonous weeds was significantly reduced by all the MD treatments, on average by 45-65% and 35-65%, respectively, compared to the control. The number of maize plants and cobs per 1 m2 was reduced by 17% and 21%, respectively, following the MD-EO treatments. The mass of the cobs was unaffected by the MD-EO treatments. The application of MD-EO caused a significant decrease in the number of soil mesophilic bacteria colonies but did not affect the amounts of phenolic compounds in the soil. In conclusion, the soil application of caraway EO within MD microcapsules has a potential as a natural weed control agent but should be studied further to optimize its dose and timing of application for weed control in maize stands.
Autor Agnieszka Synowiec (RE / RE-KAiER)
Agnieszka Synowiec
- Katedra Agrotechniki i Ekologii Rolniczej
, Anna Lenart-Boroń (RE / RE-KM)
Anna Lenart-Boroń
- Katedra Mikrobiologii
, Jan Bocianowski
Jan Bocianowski
, Andrzej Lepiarczyk (RE / RE-KAiER)
Andrzej Lepiarczyk
- Katedra Agrotechniki i Ekologii Rolniczej
, Danuta Kalemba
Danuta Kalemba
Tytuł czasopisma/seriiPolish Journal of Environmental Studies, ISSN 1230-1485, e-ISSN 2083-5906, (N/A 40 pkt)
Rok wydania2020
Objętość publikacji w arkuszach wydawniczych0.5
Słowa kluczowe w języku angielskimMicrocapsules, phenolic compounds, soil microbiota, yield
Klasyfikacja ASJC2300 General Environmental Science; 2304 Environmental Chemistry
Języken angielski
Punktacja (całkowita)40
Żródło punktacjijournalList
Wskaźniki publikacji Cytowania WoS = 0; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 0.631; Impact Factor WoS: 2018 = 1.186 (2) - 2018=1.3 (5)
Liczba cytowań*
Pola dodatkowe
FinansowanieOur research was supported by the Polish Ministry of Science and Higher Education as part of the statutory activities of the University of Agriculture in Kraków (DS 3124).
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* Podana liczba cytowań wynika z analizy informacji dostępnych w Internecie i jest zbliżona do wartości obliczanej przy pomocy systemu Publish or Perish.
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