EVALUATION OF COMPETITIVE RECIPROCAL YIELD MODEL OF WHEAT (TRITICUM AESTIVUM L) AGAINST RYE (SECALE CEREALE L ) AT VARAMIN

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ATRI A.; BAGHESTANI MEYBODI M.A.

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Journal: IRANIAN JOURNAL OF PLANT PATHOLOGY Year:2005 | Volume:41 | Issue:1 Page(s): 59-71

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Title

EVALUATION OF COMPETITIVE RECIPROCAL YIELD MODEL OF WHEAT (TRITICUM AESTIVUM L) AGAINST RYE (SECALE CEREALE L ) AT VARAMIN

Author(s)

ATRI A. | BAGHESTANI MEYBODI M.A. | Issue Writer Certificate

Keywords

RECIPROCAL YIELD MODELQ3

VOLUNTEER RYEQ4

WINTER WHEATQ4

Abstract

The competitive ability of wheat against rye was evaluated at Agricultural Research Center of Varamin during growing season of 2001 and 2002. The experimental design was randomized complete block with 24 treatments and 4 replications. The competition design was bivariate factorial. The treatments included the pure stands of wheat at densities of 350,450, 550 and 650 plant/m2 and rye at 10, 30, 50 and 60 plant/m2 and mixed stands of the two plants at complete factorial densities. In this experiment, the competitive ability of wheat (CV. Mahdavi) was investigated against rye, using RECIPROCAL YIELD MODEL. Results indicated that under low precipitation conditions, rye was a stronger competitor compared to wheat. With increase in precipitation, wheat was an equal competitor with rye. At the first year of experiment, biological and economic yields of wheat were mainly affected by inter-specific competition whereas, at the second year of experiment, biological and economic yields of wheat were affected equally by inter and intra-specific competition. Economic yield was more affected compared to biologic yield by rye densities. Evaluation of competitive ability, using regression coefficients showed that the effect of each rye plant on reciprocal grain yield of wheat at first and second years were equivalent to 3 and 1.1 plants of wheat, respectively. In other words, each 0.36 and 0.9 plants of rye had an equivalent effect of one wheat on reciprocal economic yields at first and second years, respectively.

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APA: Copy

ATRI, A., & BAGHESTANI MEYBODI, M.A.. (2005). EVALUATION OF COMPETITIVE RECIPROCAL YIELD MODEL OF WHEAT (TRITICUM AESTIVUM L) AGAINST RYE (SECALE CEREALE L ) AT VARAMIN. IRANIAN JOURNAL OF PLANT PATHOLOGY, 41(1), 59-71. SID. https://sid.ir/paper/48151/en

Vancouver: Copy

ATRI A., BAGHESTANI MEYBODI M.A.. EVALUATION OF COMPETITIVE RECIPROCAL YIELD MODEL OF WHEAT (TRITICUM AESTIVUM L) AGAINST RYE (SECALE CEREALE L ) AT VARAMIN. IRANIAN JOURNAL OF PLANT PATHOLOGY[Internet]. 2005;41(1):59-71. Available from: https://sid.ir/paper/48151/en

IEEE: Copy

A. ATRI, and M.A. BAGHESTANI MEYBODI, “EVALUATION OF COMPETITIVE RECIPROCAL YIELD MODEL OF WHEAT (TRITICUM AESTIVUM L) AGAINST RYE (SECALE CEREALE L ) AT VARAMIN,” IRANIAN JOURNAL OF PLANT PATHOLOGY, vol. 41, no. 1, pp. 59–71, 2005, [Online]. Available: https://sid.ir/paper/48151/en

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