EFFECT OF PLANTING PATTERN AND PLANT DENSITY ON GROWTH INDICES AND RADIATION USE EFFICIENCY OF APETALOUS FLOWRES AND PETALLED FLOWERS RAPESEED (BRASSICA NAPUS L.) CULTIVARS

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OUZOUNI DOUJI A.A.; ESFAHANI MASOUD; SAMIZADEH LAHIJI H.A.; RABIEI MOHAMMAD

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Journal: Iranian Journal of Crop Sciences Year:2008 | Volume:9 | Issue:4 (36) Page(s): 382-400

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Title

EFFECT OF PLANTING PATTERN AND PLANT DENSITY ON GROWTH INDICES AND RADIATION USE EFFICIENCY OF APETALOUS FLOWRES AND PETALLED FLOWERS RAPESEED (BRASSICA NAPUS L.) CULTIVARS

Author(s)

OUZOUNI DOUJI A.A. | ESFAHANI MASOUD | SAMIZADEH LAHIJI H.A. | RABIEI MOHAMMAD | Issue Writer Certificate

Keywords

PLANTING PATTERNQ3

PLANT DENSITYQ3

GROWTH INDICESQ2

RADIATION USE EFFICIENCYQ3

APETALUOSQ3

PETALLEDQ3

RAPESEED (BRASSICA NAPUS L.)Q3

Abstract

In order to evaluate the effects of PLANT DENSITY and PLANTING PATTERN on yield, yield components of apetalous flowers and PETALLED rapeseed, a field experiment was conducted in Rice Research Institute of Iran located in Rasht in 2005- 2006. The experimental design was arranged as a split plot-factorial in a randomized complete block with three replications in which, PLANTING PATTERN (rectangular and square) assigned to main plot and two rapeseed cultivars (petalled = Hyola 401 and apetalous = Hylite 201) and plant densities (33, 67 and 133 plants per unit area) as factorial in sub-plots. Results showed that there were significant differences between cultivars, PLANT DENSITY and PLANTING PATTERNs in GROWTH INDICES and RADIATION USE EFFICIENCY (RUE). At the flowering, the leaf area index in apetalous cultivar was 3% greater than the PETALLED rapeseed (3.22 and 3.12, respectively). Dry Matter of apetalous rapeseed was 11% higher than the PETALLED rapeseed (1441 and 1280 g/m2, respectively). Similar results were obtained for crop growth rate (CGR) and net assimilation rate (NAR) (1.5 and 23%, respectively). Maximum LAI and TDM were obtained earlier with the high PLANT DENSITY. Leaf area index, Dry Weight, CGR and NAR in square PLANTING PATTERN were higher than the rectangular PLANTING PATTERN. RADIATION USE EFFICIENCY in apetalous rapeseed was 9.2% higher than the PETALLED cultivar (2.38 and 2.16 g/Mj) which caused 14.6% increase in grain yield.

Cites

EFFECT OF PLANTING PATTERN AND PLANT DENSITY ON YIELD OF IRANIAN OXTONYUE (ECHIUM AMOENUM L.) IN THREE YEARS HARVESTING

References

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APA: Copy

OUZOUNI DOUJI, A.A., ESFAHANI, MASOUD, SAMIZADEH LAHIJI, H.A., & RABIEI, MOHAMMAD. (2008). EFFECT OF PLANTING PATTERN AND PLANT DENSITY ON GROWTH INDICES AND RADIATION USE EFFICIENCY OF APETALOUS FLOWRES AND PETALLED FLOWERS RAPESEED (BRASSICA NAPUS L.) CULTIVARS. IRANIAN JOURNAL OF CROP SCIENCES, 9(4 (36)), 382-400. SID. https://sid.ir/paper/57339/en

Vancouver: Copy

OUZOUNI DOUJI A.A., ESFAHANI MASOUD, SAMIZADEH LAHIJI H.A., RABIEI MOHAMMAD. EFFECT OF PLANTING PATTERN AND PLANT DENSITY ON GROWTH INDICES AND RADIATION USE EFFICIENCY OF APETALOUS FLOWRES AND PETALLED FLOWERS RAPESEED (BRASSICA NAPUS L.) CULTIVARS. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2008;9(4 (36)):382-400. Available from: https://sid.ir/paper/57339/en

IEEE: Copy

A.A. OUZOUNI DOUJI, MASOUD ESFAHANI, H.A. SAMIZADEH LAHIJI, and MOHAMMAD RABIEI, “EFFECT OF PLANTING PATTERN AND PLANT DENSITY ON GROWTH INDICES AND RADIATION USE EFFICIENCY OF APETALOUS FLOWRES AND PETALLED FLOWERS RAPESEED (BRASSICA NAPUS L.) CULTIVARS,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 9, no. 4 (36), pp. 382–400, 2008, [Online]. Available: https://sid.ir/paper/57339/en

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