STUDY OF COMPETETIVE EFFECTS OF BARNYARDGRASS (ECHINOCHLOA CRUS-GALLI) AND REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) ON DRY BEAN (PHASEOLUS VULGARIS)

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IZADI DARBANDI E.; RASHED MOHASEL M.H.; NASIRI MAHALATI MAHDI

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Paper Information

Journal: Iranian Journal of Field Crops Research Year:2004 | Volume:1 | Issue:1 Page(s): 13-22

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Title

STUDY OF COMPETETIVE EFFECTS OF BARNYARDGRASS (ECHINOCHLOA CRUS-GALLI) AND REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) ON DRY BEAN (PHASEOLUS VULGARIS)

Author(s)

IZADI DARBANDI E. | RASHED MOHASEL M.H. | NASIRI MAHALATI MAHDI | Issue Writer Certificate

Keywords

DRY BEANQ2

BARNYARDGRASSQ2

REDROOT PIGWEEDQ3

COMPETITIVE EFFECTSQ3

YIELD AND YIELD'S COMPONENTSQ3

Abstract

In order to study the COMPETITIVE EFFECTS of barnyard grass and REDROOT PIGWEED on DRY BEAN yield, an additive experiment was conducted at Ferdowsi University of Mashhad experimental Farm station. The type of design was completely randomized block (CRBD). Treatments included three levels of REDROOT PIGWEED densities (4, 8, 12 plants/m2) and three levels of barnyard grass( 10, 20, 30 plants/m2), planted at constant density of bean(20 plants/m2) plus weed free check in each block. To interpret the COMPETITIVE EFFECTS, the Cousense three parameters model were used. The results indicated severe damage of DRY BEAN due to both weeds. REDROOT PIGWEED resulted more reducing of DRY BEAN compare to barnyard grass. The biological and economical yield reducing due to REDROOT PIGWEED was %74.05 and %76.48 and due to barnyard grass was %49.49 and %55.88 respectively. Also results from yield reduction model indicated high competitiveness of REDROOT PIGWEED. The comparison in biological yield of REDROOT PIGWEED and barnyard grass indicated that one REDROOT PIGWEED plant has competitive ability as much as fifteen barnyard grass in competitive with DRY BEAN. Based on these results, these two weeds have the most effects on economical yield by reducing the number of lateral branches and reducing the number of pods per plant. 100 seed weight and the number of seed per pod did affect by none of these weeds.

Cites

References

اجزا عملکرد در لوبیا (Phaseolus vulgaris L)

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APA: Copy

IZADI DARBANDI, E., RASHED MOHASEL, M.H., & NASIRI MAHALATI, MAHDI. (2004). STUDY OF COMPETETIVE EFFECTS OF BARNYARDGRASS (ECHINOCHLOA CRUS-GALLI) AND REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) ON DRY BEAN (PHASEOLUS VULGARIS). IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 1(1), 13-22. SID. https://sid.ir/paper/119244/en

Vancouver: Copy

IZADI DARBANDI E., RASHED MOHASEL M.H., NASIRI MAHALATI MAHDI. STUDY OF COMPETETIVE EFFECTS OF BARNYARDGRASS (ECHINOCHLOA CRUS-GALLI) AND REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) ON DRY BEAN (PHASEOLUS VULGARIS). IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2004;1(1):13-22. Available from: https://sid.ir/paper/119244/en

IEEE: Copy

E. IZADI DARBANDI, M.H. RASHED MOHASEL, and MAHDI NASIRI MAHALATI, “STUDY OF COMPETETIVE EFFECTS OF BARNYARDGRASS (ECHINOCHLOA CRUS-GALLI) AND REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) ON DRY BEAN (PHASEOLUS VULGARIS),” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 1, no. 1, pp. 13–22, 2004, [Online]. Available: https://sid.ir/paper/119244/en

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