Effect of Management Operations on the Time of Velvetleaf (Abutilon theophrasti Medicus. ) Emergence in Soybean

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KHAKZAD M.R.; ALEBRAHIM M.T.; OVIESI M.

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ISSN: 2588-4824

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Journal: WEED RESEARCH JOURNAL Year:2018 | Volume:10 | Issue:2 Page(s): 37-47

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Title

Effect of Management Operations on the Time of Velvetleaf (Abutilon theophrasti Medicus. ) Emergence in Soybean

Author(s)

KHAKZAD M.R. | ALEBRAHIM M.T. | OVIESI M. | Issue Writer Certificate

Keywords

Conventional tillageQ2

emergence rateQ1

herbicide doseQ1

no-tillQ1

seeding rateQ1

Abstract

In order to evaluate the effect of different management practices on the emergence time of vevetleaf, a split-split plot experiment was conducted in a completely randomized block design with three replications in Dasht-e-Naz Sari in 2016 and 2017. Two tillage systems (Conventional tillage and no-till), three soyabean seeding rates (200, 000; 300, 000 and 400, 000 seeds ha-1), and three doses of imazethapyr (SL 10%) (0, 50, and 100 g ai ha-1) were considered as experimental factors. The velvetleaf emergence was significantly affected by management practices including tillage system, soybean seeding rate, and imazethapyr dose. no-till system, a density of 400 000 seeds ha-1 and a 100 g a. i. ha-1 imazethapyr dose not only resulted in the lowest velvetleaf seedling density m-2 but also caused the longest delay in the time to reach 50% of seedling emergence, thus resulting in a long lag phase of velvetleaf emergence early in the season. Findings from our study may facilitate the development of effective P. oleracea management strategies.

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APA: Copy

KHAKZAD, M.R., ALEBRAHIM, M.T., & OVIESI, M.. (2018). Effect of Management Operations on the Time of Velvetleaf (Abutilon theophrasti Medicus. ) Emergence in Soybean. WEED RESEARCH JOURNAL, 10(2 ), 37-47. SID. https://sid.ir/paper/230798/en

Vancouver: Copy

KHAKZAD M.R., ALEBRAHIM M.T., OVIESI M.. Effect of Management Operations on the Time of Velvetleaf (Abutilon theophrasti Medicus. ) Emergence in Soybean. WEED RESEARCH JOURNAL[Internet]. 2018;10(2 ):37-47. Available from: https://sid.ir/paper/230798/en

IEEE: Copy

M.R. KHAKZAD, M.T. ALEBRAHIM, and M. OVIESI, “Effect of Management Operations on the Time of Velvetleaf (Abutilon theophrasti Medicus. ) Emergence in Soybean,” WEED RESEARCH JOURNAL, vol. 10, no. 2 , pp. 37–47, 2018, [Online]. Available: https://sid.ir/paper/230798/en

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