THE CRITICAL PERIOD OF WEED CONTROL IN SORGHUM (SORGHUM BICOLOR L.)

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BARJESTEH A.R.; RAHIMIAN H.

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Journal Paper

Paper Information

Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:12 | Issue:Supplement (Special Issue Agronomy) Page(s): 109-119

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Information Journal Paper

Title

THE CRITICAL PERIOD OF WEED CONTROL IN SORGHUM (SORGHUM BICOLOR L.)

Author(s)

BARJESTEH A.R. | RAHIMIAN H. | Issue Writer Certificate

Keywords

SORGHUMQ3

COMPETITIONQ4

CRITICAL PERIODQ4

GROWTH ANALYSISQ2

Abstract

The study was conducted in Mashhad (NE of Iran) during 1996 to determine the critical weed control period in SORGHUM. Treatments included weed free and weed infested period to 3,5,7,9 leaf stages and total growth season (weed free and weed infested check). Treatments were replicated four times in complete randomized block design. Results showed that a critical weed control period in SORGHUM between 20-31 days after SORGHUM emergence (about 3 to 5 leaf stage) with 5% allowance reduction for yield. By increasing allowance reduction for yield to 8%, the CRITICAL PERIOD was changed to a critical weed control time (24 days after emergence or about 5th leaf stage). Weed free period up to 5th leaf stage decreased weed dry matter and population to 90% and 70% respectively. Nightshade (Solanum nigrum), Redroot pigweed (Amaranthus retroflexus), Common lambsquarter (Chenopodium album) and Field bindweed (Convolvulus arvensis) were the dominant weed of this experiment.

Cites

EFFECTS OF CHEMICAL WEED CONTROL ON FORAGE YIELD OF SORGHUM (SORGHUM BICOLOR L.)

References

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APA: Copy

BARJESTEH, A.R., & RAHIMIAN, H.. (2006). THE CRITICAL PERIOD OF WEED CONTROL IN SORGHUM (SORGHUM BICOLOR L.). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 12(Supplement (Special Issue Agronomy)), 109-119. SID. https://sid.ir/paper/9038/en

Vancouver: Copy

BARJESTEH A.R., RAHIMIAN H.. THE CRITICAL PERIOD OF WEED CONTROL IN SORGHUM (SORGHUM BICOLOR L.). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;12(Supplement (Special Issue Agronomy)):109-119. Available from: https://sid.ir/paper/9038/en

IEEE: Copy

A.R. BARJESTEH, and H. RAHIMIAN, “THE CRITICAL PERIOD OF WEED CONTROL IN SORGHUM (SORGHUM BICOLOR L.),” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 12, no. Supplement (Special Issue Agronomy), pp. 109–119, 2006, [Online]. Available: https://sid.ir/paper/9038/en

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