Influence of Some Soil Herbicides on the Yield of Grafted Rooted Grapevines from Variety Misket Kaylashki and Their Biometric Characteristics | ВЛИЯНИЕ НА НЯКОИ ПОЧВЕНИ ХЕРБИЦИДИ ВЪРХУ ДОБИВА ПРИСАДЕНИ ВКОРЕНЕНИ ЛОЗИ ОТ СОРТ МИСКЕТ КАЙЛЪШКИ И БИОМЕТРИЧНИТЕ ИМ ХАРАКТЕРИСТИКИ
2014
Prodanova-Marinova, N., Institute of Viticulture and Enology , Pleven (Bulgaria) | Dimitrova, M., Agricultural University, Plovdiv (Bulgaria) | Dimitrova, V., Institute of Viticulture and Enology , Pleven (Bulgaria) | Zhelyazkov, I., Agricultural University, Plovdiv (Bulgaria)
During the period 2007 ЁC 2009 in the Institute of Viticulture and Enology ЁC Pleven a field trial was carried out in order to establish the influence of 6 soil herbicides on the production of grapevine planting material from variety Misket Kaylashki, grafted on rootstock Berlandieri ЎБ Riparia SO4. The herbicides Venzar 80 WP, Goal 2 §¦, Devrinol 4 F, Dual Gold 960 EC, Lumax 538 SC and Stomp 33 EC were tested at different doses. The highest yield of grafted rooted grapevines was recorded for Dual Gold 960 EC ЁC 0.3 l/da 54.4%. The treated variants excepting Devrinol 4 F ЁC 0.6 and 0.8 l/da, Lumax 538 SC ЁC 0.4 l/da and Venzar 80 WP ЁC 0.2 kg/da exceeded the weeded control in this trait. In the process of the study no harmful effect of the tested herbicides on the grapevine root system and mature wood formation in their aboveground part was found. The greatest values of length and mass of the mature wood were recorded for the grapevines in the variants treated with Goal 2 E ЁC 0.3 l/da, Venzar 80 WP ЁC 0.2 kg/da and 0.3 kg/da and Stomp 33 EC ЁC 0.8 l/da.
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