kaçan, koray muğla sıtkı koçman üniversitesi - ortaca meslek yüksekokulu, Muğla, Türkiye , özkul, çetin bornova zirai mücadele araştırma enstitüsü müdürlüğü, İzmir, türkiye , sokat, yıldız bornova zirai mücadele araştırma enstitüsü müdürlüğü, İzmir, Türkiye

Determination of Problem Weeds and Their Control Methods in Daffodils and Hyacinth Fields

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this study was carried out for determine the problem weeds on daffodils and hyacinth in İzmir between 2013 and 2014. O. pes-caprae (94.74%) was determined as highest frequency of occurrence in study. E. cicutarium (52.0%), B. tectorum (50,0 %), H. murinum (44.74 %) and G.aparine (44.73%) together with this weed were listed in the survey as the first five weeds. As sour grass is the weed type with the highest frequency of occurrence (O. pes-caprae) and as it is an invasive weed, it is estimated that it will spread more in the following years. O. pes-caprae (115.42 Weeds/m2) has been identified as the densest weed in terms of the weed density. H. murinum (34.38 Weeds/m2), A. sterilis (26.29 Weeds/m2), T. repens (14.29 Weeds/m2), B. tectorum (11.42 Weeds/m2), E. cicutarium (8.47 Weeds/m2) followed it respectively. Herbicides with 4 different active substances were taken under evaluation in 3 replications according to a randomized complete block experiment design. When the effects of herbicides on weed dry weights, the greatest effect was obtained from Oxyfluorfen herbicide (43.20%). This effect was closely followed by Picloram + 2,4 D (43,18%). Other effective applications were Aclonifen effect(38.10%) and Phendimethalin (36.00%) and Solarization (5.60%).

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Daffodils , hyacinths , weeds , weed frequency , weed density

The Journal Of Ege University Faculty Of Agriculture

110