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2016, vol. 44, iss. 3, pp. 224-230
Efficacy of fungicides in control of downy mildew (Peronospora viciae) in pea crop
aUniversity of Belgrade, Faculty of Agriculture
bStipendista Ministarstva prosvete, nauke i tehnološkog razvoja Republike Srbije
cInstitute for Vegetable Crops, Smederevska Palanka
Keywords: pea; downy mildew; Peronospora viciae; propamocarb-hydrochloride + chlorothalonil; metalaxyl-M + mancozeb; metalaxyl-M+chlorothalonil
During the 2016 growing season, biological efficacy of fungicides mixture propamocarb hydrochloride + chlorothalonil, metalaxyl-M + mancozeb and metalksil-M + chlorothalonil in the control of downy mildew in pea crop (Peronospora viciae), was investigated. The experiments were conducted in the localities of Sakule and Glogonj. The experiments were carried out as randomized block system in four replications EPPO (EPPO, 1997). Two fugicide applications were conducted , one at the beginning of flowering (BBCH 61) (1st treatment), and second at the stage when 10% of pods reached typical size (BBCH 71) (2nd treatment). Favorable conditions resulted in significant disease intensity on untreated plots, which amounted from 19.9 to 24.8% in the first, and from 32.3 to 44.5% in the second assessment. Fungicide mixture propamocarb-hydrochloride + chlorothalonil exhibited efficacy ranging from 92.7-93.9% at the first and from 85.5 to 91.9% at the second assessment. Fungicide metalaxyl-M + mancozeb, reached the efficacy of 93.1-95.4% at the first, and 86.3-93.2% at the second assessment, while the highest efficacy was achieved by a combination metalaxyl-M + chlorothalonil, which ranged from 86.9 to 100% at the first, and from 86.9 to 95.3% at the second assessment.


article language: Serbian
document type: unclassified
published in SCIndeks: 09/02/2017

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