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Effect of plant growth promoting rhizobacteria on Ambrosia rtemisiifolia L. seed germination

Uticaj zemljišnih bakterija na klijanje semena korovske vrste Ambrosia artemisiifolia L.

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2011
2518.pdf (316.4Kb)
Authors
Vrbničanin, Sava
Božić, Dragana
Sarić, Marija
Pavlović, Danijela
Raičević, Vera
Article (Published version)
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Abstract
Soil bacteria are able either to stimulate or inhibit seed germination. If seed germination is stimulated, the seedlings of weed species emerge more uniformly, so that they could be killed in the next step of weed control. This investigation focused on testing the germination of Ambrosia artemisiifolia L. on several media: Pseudomonas fluorescens (B1), Azotobacter chroococcum (B2), Bacillus licheniformis (B3), B. pumilus (B4), B. amyloliquefaciens (B5). In control, seeds germinated in water. Seed germination varied depending on bacterial media. Germination was inhibited by bacterial treatments B1 and B3, treatments B2 and B4 stimulated germination, while germination in treatment B5 was similar to control.
Zemljišne bakterije mogu imati stimulativno ili inhibitorno delovanje na klijanje semena mnogih biljaka. Ukoliko je klijanje semena stimulisano, ponici korova se javljaju znatno uniformnije, što pruža realnu mogućnost da se u nekoj od narednih operacija nege useva korovi eliminišu. U ovim istraživanjima ispitivan je uticaj nekoliko zemljišnih bakterija (Pseudomonas fluorescens (B1), Azotobacter chroococcum (B2), Bacillus licheniformis (B3), B. pumilus (B4), B. amyloliquefaciens (B5) na klijanje semena alohtone invazivne korovske vrste Ambrosia artemisiifolia L. U kontrolnu varijantu je dodata česmenska voda. Na osnovu dobijenih rezultata može se konstatovati da je klijanje semena A. artemisiifolia variralo u zavisnosti od toga na kojoj bakterijskoj podlozi je vršeno naklijavanje. Naime, utvrđen je manji procenat klijavosti semena na podlozi B1 i B3, odnosno veća klijavost je postignuta na podlogama B2 i B4 u odnosu na čistu vodu. Osim toga, klijanje semena A. artermisiifolia na podlozi... B5 je bilo gotovo istovetno kao i u čistoj vodi (kontroli).

Keywords:
Ambrosia artemisiifolia L. / plant growth promoting rhizobacteria / seed germination / Ambrosia artemisiifolia L. / zemljišne bakterije / klijanje semena
Source:
Pesticidi i fitomedicina, 2011, 26, 2, 141-146
Publisher:
  • Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd
Funding / projects:
  • Development of integrated management of harmful organisms in plant production in order to overcome resistance and to improve food quality and safety (RS-46008)

DOI: 10.2298/PIF1102141V

ISSN: 1820-3949

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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/2521
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