EFFECT OF PLANTING DATE ON SOME PHENOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS, YIELD AND YIELD COMPONENTS OF FIVE RAPESEED (BRASSICA NAPUS L.) CULTIVARS

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EHTESHAMI S.M.; TEHRANI AREF A.; SAMADI B.

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

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Journal: Applied Agricultural Research Year:2016 | Volume:- | Issue:109 Page(s): 111-120

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Title

EFFECT OF PLANTING DATE ON SOME PHENOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS, YIELD AND YIELD COMPONENTS OF FIVE RAPESEED (BRASSICA NAPUS L.) CULTIVARS

Author(s)

EHTESHAMI S.M. | TEHRANI AREF A. | SAMADI B. | Issue Writer Certificate

Keywords

CULTIVARQ2

GERMINATIONQ2

GRAIN YIELDQ2

MATURITYQ2

PODQ2

Abstract

This research was conducted to investigate the effect of sowing date on some phenological and morphological characteristics, yield and yield components of five rapeseed (Brassica napus L.) CULTIVARs in research farm of Agriculture and Natural Resources Research Center of Tehran during 2008-2009. The experimental design consisted of four randomized complete blocks (CRDB) in a split-plot arrangement. Four sowing dates (11 September, 27 September, 12 October and 27 October) as main plots and five rapeseed CULTIVARs (RGS003, Hayola401, Okapi, Sarigol and Zarfam) as sub-plots were evaluated. In this experiment, evaluated traits included GERMINATION period length, flowering period length, number of days to flowering and MATURITY, plant height, number of secondary stem, POD lengh per main and secondary stems, number of POD per plant, number of seed per POD and GRAIN YIELD. The sowing date had significant effect on all characteristics, except number of days to MATURITY and POD lengh per main stem. There were significant difference between rapeseed CULTIVARs (P<0.05) for flowering period length, number of days to flowering, plant height, yield and yield components. Change in sowing dates exposed plant development stages to different environmental factors that these factors had an impact on crop production. Delay in sowing date caused to grain filling stage encounter with higher temperatures. These conditions result in a yield reduction, so 11 September sowing date with average yield of 3198 kg.ha-1 and 27 October sowing date with average yield of 2293 kg.ha-1 had the highest and lowest GRAIN YIELD, respectively. Results showed that RGS003 had the maximum seed yield among rapeseed CULTIVARs.

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APA: Copy

EHTESHAMI, S.M., TEHRANI AREF, A., & SAMADI, B.. (2016). EFFECT OF PLANTING DATE ON SOME PHENOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS, YIELD AND YIELD COMPONENTS OF FIVE RAPESEED (BRASSICA NAPUS L.) CULTIVARS. APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), -(109), 111-120. SID. https://sid.ir/paper/214973/en

Vancouver: Copy

EHTESHAMI S.M., TEHRANI AREF A., SAMADI B.. EFFECT OF PLANTING DATE ON SOME PHENOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS, YIELD AND YIELD COMPONENTS OF FIVE RAPESEED (BRASSICA NAPUS L.) CULTIVARS. APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI)[Internet]. 2016;-(109):111-120. Available from: https://sid.ir/paper/214973/en

IEEE: Copy

S.M. EHTESHAMI, A. TEHRANI AREF, and B. SAMADI, “EFFECT OF PLANTING DATE ON SOME PHENOLOGICAL AND MORPHOLOGICAL CHARACTERISTICS, YIELD AND YIELD COMPONENTS OF FIVE RAPESEED (BRASSICA NAPUS L.) CULTIVARS,” APPLIED FIELD CROPS RESEARCH (PAJOUHESH & SAZANDEGI), vol. -, no. 109, pp. 111–120, 2016, [Online]. Available: https://sid.ir/paper/214973/en

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