Germination Behavior of Seeds Obtained from Herbicide-treated Amaranthus retroflexus L. Plants

Oğuzhan Cerit, Derya Öğüt Yavuz


Amaranthus retroflexus L. is among the important weeds in sugar beet. The aim of this study was to determine the germination capacities of the seeds obtained from A. retroflexus plants, who survived after the application of chloridazon (C), metamitron (M) and ethofumesate + phenmedipham + desmedipham + lenacil (EPDL) herbicides and some combinations. Parameters of total germination rate (%), normal/abnormal germination rate (%), mean germination time (day) and seed weight (g) were defined. As a result, germination characteristics of A. retroflexus plants exposed to chloridazon + ethofumesate + phenmedipham + desmedipham + lenacil 2, chloridazon + metamitron (post-emergence) and metamitron (pre-emergence) + metamitron (post-emergence) combinations were significantly affected compared to the seeds obtained from the untreated plants. In terms of germination characteristics, the lowest total germination rate (85%) was found in metamitron (pre-emergence) + metamitron (post-emergence) combination.


Redroot pigweed; Seeds; Germination; Herbicide treatment; Abnormal seedling

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ISSN: 2148-127X

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