Biological Efficacy of Herbicides in Maize Hybrid Kneja 435 | Биологична ЕФИКАСНОСТ НА ХЕРБИЦИДнИ препарати ПРИ ЦАРЕВИЧЕН ХИБРИД КНежа 435
2014
Goranovska, S., Institute of Maize, Knezha (Bulgaria) | Kalinova, Shch., Agricultural University, Plovdiv (Bulgaria)
The field experiment was carried out during the period 2011 – 2012 to identity the weed species in the field and to investigate the efficacy of soil and foliar herbicides in maize and their effect on the grain yield of hybrid Kneja 435. Eight different herbicides were applied in maize. The trial was set in a randomized block design with four replications with a plot size of 29.4 m2. Maximum weed density 149.8 plants/m2 and 102.5 plants/m2 was recorded for Sinapis arvensis L. and Sorghum halepense L. Pers. The herbicide application reduced the weed density and affected positively on the grain yield in comparison to the untreated control. Maximum grain yield – 5.96 t/ha average for period was found in plots treated with Elumis OD 30 g/l nicosulfuron + 75 g/l mezotrion in doze 2 l/ha.
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