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Determination of johnsongrass [Sorghum halepense (L.) Pers.] level of sensibilty to nicosulfuron

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Authors
Božić, D.
Vrbničanin, Sava
Barać, Miroljub
Stefanović, Lidija
Article (Published version)
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Abstract
In 2002, a johnsongrass population survived the application of ALS inhibiting herbicides in the locality of Zemun Polje, Serbia and Montenegro. This locality is known to have been treated with ALS inhibitors for years which may be considered the main cause of selection for herbicide resistance (R). The indices of resistance (IR=1.00 to IR=1.14) of the analyzed morphometric parameters show that no significant difference in susceptibility to nicosulfuron was found between the R and susceptible (S) populations. However, when a more sensitive method of monitoring ALS activity in vivo was employed, the index of resistance (IR=15.95) obtained by comparing enzyme inhibition in the two populations showed that nicosulfuron inhibited the enzyme in the S population of johnsongrass >15 times more than in the R population.
Keywords:
acetolactate synthase / johnsongrass / nicosulfuron / resistance
Source:
Maydica, 2007, 52, 3, 271-275

ISSN: 0025-6153

WoS: 000251638100008

Scopus: 2-s2.0-37249005733
[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_agrospace_1364
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/1364
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  • Radovi istraživača / Researchers’ publications
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Poljoprivredni fakultet

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