Evaluation of Cyperus rotundus management practices in Jiroft onion fields

Document Type : Research Paper

Authors

1 Agronomy, agriculture,mohaghegh , ardabil, iran

2 Associate Professor, Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, Mohaghegh Ardebil University, iran

3 Assistant Professor, Agricultural and Natural Resources Research and Education Center, south of Kerman province, Iran.

4 Associate Professor, Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, Mohaghegh Ardebil University, Iran

5 Associate Prof. Department of Agronomy and Plant breeding, Faculty of Agriculture, university of Mohaghegh Ardabili, Ardabil, Iran

Abstract

Purple nutsedge is one of the most problematic weeds of onion fields. To investigate the management practices of this weed, an experiment was conducted in the Agricultural and Natural Resources Center in Southern Kerman in 2017-2018 as a randomized complete block design with three replications. Treatments included twice disk + glyphosate, heavy plow + disk, metribiuzin, pendimethalin (Stomp), hand weeding, soil solarization, soil solarization + glyphosate, Control (no control), pendimethalin (Prowl), three times plowing, and twice disk + two times glyphosate. The results showed that the effect of different treatments was significant on shoot and underground dry weight and density, neck diameter, number of leaves and yield of onion. Twice disk + twice glyphosate decreased shoot and underground dry weight and density by 86, 87, and 87.2 %, respectively, and yield of onion increased 83 %. Therefore, combination of disk and glyphosate was desired in purple nutsedge control and this treatment is recommended.

Keywords

References

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Iranian Journal of Weed Science
Volume 15, Issue 2
December 2019
Pages 55-63

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