Evaluation of competitiveness of different wheat genotypes with weeds and their quantitative and qualitative changes in rainfed and supplementary irrigation

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NEYESTANI E.; MAKARIAN H.; AMERI A.A.; HEYDARI M.

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Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2019 | Volume:11 | Issue:38 Page(s): 162-173

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Title

Evaluation of competitiveness of different wheat genotypes with weeds and their quantitative and qualitative changes in rainfed and supplementary irrigation

Author(s)

NEYESTANI E. | MAKARIAN H. | AMERI A.A. | HEYDARI M. | Issue Writer Certificate

Keywords

Weed interferenceQ2

droughtQ2

yield lossQ2

wheat linesQ1

Abstract

The competitiveness of 20 advanced wheat genotypes with weeds under rainfed and supplementary irrigation was studied as a split-plot experiment based on randomized complete block design with four replications at Shirvan Agricultural Research Station of North Khorasan in 2015-2016. The main plots included weed-free and weed-infest and subplots included 20 advanced wheat genotypes. Based on the compound analysis of variance results, a significant difference was observed between wheat genotypes in the all traits. Wheat growth and yield reduction by weeds under irrigated conditions was higher than in rainfed condition. Based on the results, genotypes 12 (MOB/NE94406 BALANCO) and 17 (SISABAN-4), had the highest grain yield compared to the other genotypes in the supplementary irrigation and rainfed conditions in both weedy and weedfree treatments. The greatest reduction in biomass of weeds was related to genotypes 12 and 17. The most yield reduction by weeds in irrigation (37%) and rainfed (26%) conditions was related to genotype 20. The least yield reduction by weeds in both irrigation and rainfed conditions was created by genotypes 12 and 17 than other genotypes. Based on our research results, competitive ability of wheat genotypes with weeds is different under irrigated and rainfed conditions an also, weed control is more important in irrigated than rainfed conditions.

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APA: Copy

NEYESTANI, E., MAKARIAN, H., AMERI, A.A., & HEYDARI, M.. (2019). Evaluation of competitiveness of different wheat genotypes with weeds and their quantitative and qualitative changes in rainfed and supplementary irrigation. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 11(38 ), 162-173. SID. https://sid.ir/paper/188464/en

Vancouver: Copy

NEYESTANI E., MAKARIAN H., AMERI A.A., HEYDARI M.. Evaluation of competitiveness of different wheat genotypes with weeds and their quantitative and qualitative changes in rainfed and supplementary irrigation. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2019;11(38 ):162-173. Available from: https://sid.ir/paper/188464/en

IEEE: Copy

E. NEYESTANI, H. MAKARIAN, A.A. AMERI, and M. HEYDARI, “Evaluation of competitiveness of different wheat genotypes with weeds and their quantitative and qualitative changes in rainfed and supplementary irrigation,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 11, no. 38 , pp. 162–173, 2019, [Online]. Available: https://sid.ir/paper/188464/en

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