EVALUATION OF RADIATION USE EFFICIENCY AND ITS RELATIONSHIP WITH DRY MATTER ACCUMULATION IN THREE MILLET SPECIES

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KAMKAR B.; KOUCHAKI ALI REZA; NASIRI MAHALATI MAHDI; REZVANI MOGHADAM P.

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Journal: Iranian Journal of Field Crops Research Year:2005 | Volume:2 | Issue:2 Page(s): 196-207

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Title

EVALUATION OF RADIATION USE EFFICIENCY AND ITS RELATIONSHIP WITH DRY MATTER ACCUMULATION IN THREE MILLET SPECIES

Author(s)

KAMKAR B. | KOUCHAKI ALI REZA | NASIRI MAHALATI MAHDI | REZVANI MOGHADAM P. | Issue Writer Certificate

Keywords

MILLETQ2

RADIATION USE EFFICIENCYQ2

LIGHT EXTINCTION COEFFICIENTQ2

BIOMASSQ2

Abstract

A factorial arrangement of three MILLETs species (Panicum miliaceum, Pennisetum glaucum, and Setaria italica) and two sowing dates with three replications were used in a completely randomized design to evaluate the RADIATION USE EFFICIENCY and its relationship with dry matter accumulation. Leaf area index was used in daily intervals to calculate daily intercepted radiation. LIGHT EXTINCTION COEFFICIENT was calculated as the slope of regression line between log transformed fraction of intercepted radiation and leaf area index during growing season. RADIATION USE EFFICIENCY was calculated as the slope of linear regression between cumulative intercepted radiation and cumulative BIOMASS during growing season. Results showed that LIGHT EXTINCTION COEFFICIENT and RADIATION USE EFFICIENCY for proso, pearl and foxtail MILLETs were 0.75, 0.66, 0.57 and 1.43, 1.83, 1.74 g/MJ in terms of total radiation, respectively. Differences in BIOMASS production were not significant between proso and pearl MILLETs. Proso MILLET had higher mtercepted radiation, but lower RADIATION USE EFFICIENCY in comparison with pearl MILLET. Foxtail MILLET had lower intercepted radiation than proso and pearl MILLETs, but its RADIATION USE EFFICIENCY was higher than pearl MILLET. Total BIOMASS of foxtail MILLET was lower than other species. Results indicated that proso and pearl MILLETs can produce more BIOMASS than foxtail MILLET.

Cites

EFFECTS OF DROUGHT STRESS ON RADIATION USE EFFICIENCY AND YIELD OF WINTER CANOLA (BRASSICA NAPUS L.)

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APA: Copy

KAMKAR, B., KOUCHAKI, ALI REZA, NASIRI MAHALATI, MAHDI, & REZVANI MOGHADAM, P.. (2005). EVALUATION OF RADIATION USE EFFICIENCY AND ITS RELATIONSHIP WITH DRY MATTER ACCUMULATION IN THREE MILLET SPECIES. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 2(2), 196-207. SID. https://sid.ir/paper/119031/en

Vancouver: Copy

KAMKAR B., KOUCHAKI ALI REZA, NASIRI MAHALATI MAHDI, REZVANI MOGHADAM P.. EVALUATION OF RADIATION USE EFFICIENCY AND ITS RELATIONSHIP WITH DRY MATTER ACCUMULATION IN THREE MILLET SPECIES. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2005;2(2):196-207. Available from: https://sid.ir/paper/119031/en

IEEE: Copy

B. KAMKAR, ALI REZA KOUCHAKI, MAHDI NASIRI MAHALATI, and P. REZVANI MOGHADAM, “EVALUATION OF RADIATION USE EFFICIENCY AND ITS RELATIONSHIP WITH DRY MATTER ACCUMULATION IN THREE MILLET SPECIES,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 2, no. 2, pp. 196–207, 2005, [Online]. Available: https://sid.ir/paper/119031/en

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