THE EFFECT OF VARIOUS PLANT DENSITY ON THE COMPETITIVENESS OF CORN WITH NATURAL POPULATION OF WEEDS

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CHAAB A.; SIADAT A.; FATHI GH.; GHARINEH M.; ZAND E.; ANAFIEH Z.

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Journal: JOURNAL OF RESEARCH IN CROP SCIENCES Year:2015 | Volume:7 | Issue:26 Page(s): 1-14

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Title

THE EFFECT OF VARIOUS PLANT DENSITY ON THE COMPETITIVENESS OF CORN WITH NATURAL POPULATION OF WEEDS

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Keywords

PLANT DENSITYQ3

COMPETITIONQ2

INTERFERENCEQ2

NATURAL POPULATION WEEDSQ2

CORNQ2

Abstract

In order to study the effects of increasing CORN PLANT DENSITY on competitive ability of CORN with natural weed population in Khuzestan climate, a Randomized Complete Block design with four replications was conducted in the experimental field station at Ramin Agricultural and Natural resources, Mollasani university of Ahwaz. Treatments included pure stands of CORN at three density (40000, 70000 and 100000 plants ha) and weed INTERFERENCE period to v9 and v13 in any of PLANT DENSITY (40000, 70000 and 100000 plant ha). Also another additional treatment was adopted as weed-interference during the growth season with density of 70000 plant ha.Results showed that there was significant difference between the studied characters, biological yield, grain yield, harvest index, grain number per ear, and row number per ear, grain number per row and 1000-kernel weight among treatments. The studied characters were severely reduced by increasing the duration of weed INTERFERENCE after CORN emergence. In addition, results showed that with CORN plant increasing density, CORN plants tolerated the presence of weeds until v9 stage with approximately 6-15% in yield loss.

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APA: Copy

CHAAB, A., SIADAT, A., FATHI, GH., GHARINEH, M., ZAND, E., & ANAFIEH, Z.. (2015). THE EFFECT OF VARIOUS PLANT DENSITY ON THE COMPETITIVENESS OF CORN WITH NATURAL POPULATION OF WEEDS. JOURNAL OF RESEARCH IN CROP SCIENCES, 7(26 ), 1-14. SID. https://sid.ir/paper/167864/en

Vancouver: Copy

CHAAB A., SIADAT A., FATHI GH., GHARINEH M., ZAND E., ANAFIEH Z.. THE EFFECT OF VARIOUS PLANT DENSITY ON THE COMPETITIVENESS OF CORN WITH NATURAL POPULATION OF WEEDS. JOURNAL OF RESEARCH IN CROP SCIENCES[Internet]. 2015;7(26 ):1-14. Available from: https://sid.ir/paper/167864/en

IEEE: Copy

A. CHAAB, A. SIADAT, GH. FATHI, M. GHARINEH, E. ZAND, and Z. ANAFIEH, “THE EFFECT OF VARIOUS PLANT DENSITY ON THE COMPETITIVENESS OF CORN WITH NATURAL POPULATION OF WEEDS,” JOURNAL OF RESEARCH IN CROP SCIENCES, vol. 7, no. 26 , pp. 1–14, 2015, [Online]. Available: https://sid.ir/paper/167864/en

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