BIOMASS ALLOCATION ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) SHOOT AT INTERFERENCE WITH THREE SUNFLOWER CULTIVARS; AZARGHOL, HYSUN AND ALLSTAR

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MIRSHEKARI B.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: NEW FINDINGS IN AGRICULTURE Year:2012 | Volume:6 | Issue:4 (24) Page(s): 379-392

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Title

BIOMASS ALLOCATION ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) SHOOT AT INTERFERENCE WITH THREE SUNFLOWER CULTIVARS; AZARGHOL, HYSUN AND ALLSTAR

Author(s)

MIRSHEKARI B. | Issue Writer Certificate

Keywords

BIOMASS ALLOCATIONQ3

REDROOT PIGWEEDQ3

SUNFLOWERQ2

Abstract

In order to determination of effect of SUNFLOWER (Helianthus annus L.) cultivars on BIOMASS ALLOCATION of REDROOT PIGWEED, a two years experiment was performed factorially based on additive design with SUNFLOWER cultivars (Azarghol, Hysun and Allstar), REDROOT PIGWEED densities (8.3, 25 and 41.7 plants m-2) and relative times of weed emergence (emerged with SUNFLOWER; 15 and 30 days after SUNFLOWER emergence) in Tabriz. For combined analysis of data and means comparison MSTAT-C and Duncan's test were employed. Results revealed that in Allstar treatments, number of weed side branches in densities of 25 and 41.7 plants/m2 increased, significantly, compared with Hysun. In Allstar, REDROOT PIGWEED density was more effective than interference time with a view to effect on weed total biomass. REDROOT PIGWEED leaf to total dry matter ratio in full season interference of 41.7 weeds/m2 were 15%, 17.5% and 20.8% in three SUNFLOWER cultivars, respectively. With each week earlier emergence of weed, stem biomass of weed increased 6 g/m2, in Allstar. Florescence to total biomass ratio increased, significantly, with delaying in interference time of REDROOT PIGWEED, which could be considered in the weed controlling of SUNFLOWER.

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References

DETERMINATION OF THE CRITICAL PERIOD FOR WEED CONTROL IN SUNFLOWER (HELIANTHUS ANNUUS CV. RECORD)

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APA: Copy

MIRSHEKARI, B.. (2012). BIOMASS ALLOCATION ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) SHOOT AT INTERFERENCE WITH THREE SUNFLOWER CULTIVARS; AZARGHOL, HYSUN AND ALLSTAR. NEW FINDINGS IN AGRICULTURE, 6(4 (24)), 379-392. SID. https://sid.ir/paper/183836/en

Vancouver: Copy

MIRSHEKARI B.. BIOMASS ALLOCATION ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) SHOOT AT INTERFERENCE WITH THREE SUNFLOWER CULTIVARS; AZARGHOL, HYSUN AND ALLSTAR. NEW FINDINGS IN AGRICULTURE[Internet]. 2012;6(4 (24)):379-392. Available from: https://sid.ir/paper/183836/en

IEEE: Copy

B. MIRSHEKARI, “BIOMASS ALLOCATION ON REDROOT PIGWEED (AMARANTHUS RETROFLEXUS) SHOOT AT INTERFERENCE WITH THREE SUNFLOWER CULTIVARS; AZARGHOL, HYSUN AND ALLSTAR,” NEW FINDINGS IN AGRICULTURE, vol. 6, no. 4 (24), pp. 379–392, 2012, [Online]. Available: https://sid.ir/paper/183836/en

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