Effect of tumble pigweed (Amaranthus albus L. ) competition on yield and yield components of sunflower (Helianthus annuus L. ) cultivars in Birjand

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BABAIE ZARCH MOHAMMAD JAVAD; MAHMOODI SOHRAB; ESLAMI SEYED VAHID

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Journal: JOURNAL OF CROP SCIENCE RESEARCH IN ARID REGIONS Year:2018 | Volume:1 | Issue:2 Page(s): 133-142

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Title

Effect of tumble pigweed (Amaranthus albus L. ) competition on yield and yield components of sunflower (Helianthus annuus L. ) cultivars in Birjand

Author(s)

BABAIE ZARCH MOHAMMAD JAVAD | MAHMOODI SOHRAB | ESLAMI SEYED VAHID | Issue Writer Certificate

Keywords

Azargol

tumble pigweed (Amaranthus albus)

Farrukh

Oil seeds

Abstract

In order to evaluate the effect of tumble pigweed competition on yield, yield components and seed quality of six cultivars of sunflower; an experiment was conducted with factorial layout based on a completely randomized block design at the research farm of College of Agriculture, University of Birjand in 2012. The factors were four weed densities (0, 5, 10 and 15 plants/m2) and six cultivars of sunflower (Azargol, Jame Isfahan, Syrna, Farrukh, Progress and Euroflour). The results showed that by increasing weed density, yield and yield components of sunflower were decreased. By increasing weed density from zero to 15 plants/m2, grain yield of sunflower was decreased up to 40. 2%. Jame Isfahan cultivar produced the highest seed yield (5. 789 kg/ha), and Farrukh cultivar had the least percentage of seed yield loss in weed density of 15 plants/m2. Generally, Progress, Euroflour and Jame Isfahan cultivars had the most competitiveness and Azargol cultivar showed the least competitiveness against tumble pigweed.

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APA: Copy

BABAIE ZARCH, MOHAMMAD JAVAD, MAHMOODI, SOHRAB, & ESLAMI, SEYED VAHID. (2018). Effect of tumble pigweed (Amaranthus albus L. ) competition on yield and yield components of sunflower (Helianthus annuus L. ) cultivars in Birjand. JOURNAL OF CROP SCIENCE RESEARCH IN ARID REGIONS, 1(2 ), 133-142. SID. https://sid.ir/paper/370715/en

Vancouver: Copy

BABAIE ZARCH MOHAMMAD JAVAD, MAHMOODI SOHRAB, ESLAMI SEYED VAHID. Effect of tumble pigweed (Amaranthus albus L. ) competition on yield and yield components of sunflower (Helianthus annuus L. ) cultivars in Birjand. JOURNAL OF CROP SCIENCE RESEARCH IN ARID REGIONS[Internet]. 2018;1(2 ):133-142. Available from: https://sid.ir/paper/370715/en

IEEE: Copy

MOHAMMAD JAVAD BABAIE ZARCH, SOHRAB MAHMOODI, and SEYED VAHID ESLAMI, “Effect of tumble pigweed (Amaranthus albus L. ) competition on yield and yield components of sunflower (Helianthus annuus L. ) cultivars in Birjand,” JOURNAL OF CROP SCIENCE RESEARCH IN ARID REGIONS, vol. 1, no. 2 , pp. 133–142, 2018, [Online]. Available: https://sid.ir/paper/370715/en

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