PLANTING DATE AND POPULATION DENSITY INFLUENCE ON COMPETITIVENESS OF CORN (ZEA MAYS L.) WITH REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.)

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MAKARIAN H.; BANAIAN M.; RAHIMIAN H.; IZADI DARBANDI E.

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Journal: Iranian Journal of Field Crops Research Year:2004 | Volume:1 | Issue:2 Page(s): 271-279

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Title

PLANTING DATE AND POPULATION DENSITY INFLUENCE ON COMPETITIVENESS OF CORN (ZEA MAYS L.) WITH REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.)

Author(s)

MAKARIAN H. | BANAIAN M. | RAHIMIAN H. | IZADI DARBANDI E. | Issue Writer Certificate

Keywords

PLANTING DATEQ3

PLANT DENSITYQ3

COMPETITIONQ2

COMQ2

REDROOT PIGWEEDQ3

Abstract

In order to study the effects of PLANTING DATE and COM density on COM-redroot pigweed COMPETITION/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank"> COMPETITION, a split plot design with three replications were conducted in 2001 in a field experiment at Ferdowsi University of Mashhad. Main plots were PLANTING DATEs (21 May, 6 June) and pure stands of COM at two densities (9.5 and 7.1 plant per m2) and pure and mixed stands of REDROOT PIGWEED at two densities of COM were employed as subplots. REDROOT PIGWEED density was 9.5 plant per m2 in both pure and mixed stands. Results showed that because of desirable environmental conditions at second PLANTING DATE, REDROOT PIGWEED produced higher dry matter than the first. At the second PLANTING DATE, REDROOT PIGWEED caused greater COM yield loss at mixed stands. Because of shorter growth period and synchronization of anthesis and seed filling period with undesirable environment conditions at the second PLANTING DATE, dry matter and seed yield of COM was lower than the first. Total dry matter of REDROOT PIGWEED reduced as radiation decreased along with increasing COM density.

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APA: Copy

MAKARIAN, H., BANAIAN, M., RAHIMIAN, H., & IZADI DARBANDI, E.. (2004). PLANTING DATE AND POPULATION DENSITY INFLUENCE ON COMPETITIVENESS OF CORN (ZEA MAYS L.) WITH REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 1(2), 271-279. SID. https://sid.ir/paper/119369/en

Vancouver: Copy

MAKARIAN H., BANAIAN M., RAHIMIAN H., IZADI DARBANDI E.. PLANTING DATE AND POPULATION DENSITY INFLUENCE ON COMPETITIVENESS OF CORN (ZEA MAYS L.) WITH REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2004;1(2):271-279. Available from: https://sid.ir/paper/119369/en

IEEE: Copy

H. MAKARIAN, M. BANAIAN, H. RAHIMIAN, and E. IZADI DARBANDI, “PLANTING DATE AND POPULATION DENSITY INFLUENCE ON COMPETITIVENESS OF CORN (ZEA MAYS L.) WITH REDROOT PIGWEED (AMARANTHUS RETROFLEXUS L.),” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 1, no. 2, pp. 271–279, 2004, [Online]. Available: https://sid.ir/paper/119369/en

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