EFFECTS OF WATER DEFICIT ON WATER USE EFFICIENCY AND YIELD OF CANOLA CULTIVARS (BRASSICA NAPUS L.)

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VAFABAKHSH J.; NASIRI MAHALATI MAHDI; KOUCHAKI ALI REZA; AZIZI MAHDI

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Journal: Iranian Journal of Field Crops Research Year:2009 | Volume:7 | Issue:1 Page(s): 297-304

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Title

EFFECTS OF WATER DEFICIT ON WATER USE EFFICIENCY AND YIELD OF CANOLA CULTIVARS (BRASSICA NAPUS L.)

Author(s)

VAFABAKHSH J. | NASIRI MAHALATI MAHDI | KOUCHAKI ALI REZA | AZIZI MAHDI | Issue Writer Certificate

Keywords

CANOLAQ2

DROUGHTQ2

YIELDQ2

WATER USE EFFICIENCYQ2

HARVEST INDEXQ2

LEAF AREA INDEXQ2

Abstract

Water deficit is a major factor influencing YIELD and CANOLA seed oil content. A two years field experiment was conducted during 2005 and 2006 growing seasons in the Agriculture Research Station of Torogh, Mashhad to evaluate response of CANOLA cultivars to limited water. Experimental design was a split plot with three replications in which irrigation regimes were allocated to main plots and cultivars to subplots. Irrigation treatments included 100 (R1), 80 (R2), 65 (R3) and 50 (R4) percent of water requirement based on previously determined water requirement of CANOLA in Mashhad. Cultivars were Zarfam, Okapi, SLM046 and Licord. The results showed that YIELD and YIELD components were significantly affected by DROUGHT stress in two years. In R3 seed YIELD was decreased at first year however, at R4 decreased seed YIELD was observed in both years. WATER USE EFFICIENCY in all stress treatments was higher than control. Average of WUE at all cultivars in control treatment was 2.78 g per kilogram by 3500 m3 watered requirement and 6.13 g per kilogram by 1750 m3 watered requirement in severe stress. The highest and lowest WUE observed in SLM046 in R4 and R1 treatments by 8.20 and 1.52 g per kilogram. These results showed considerable differences between CANOLA cultivars regarding to WUE and YIELD analysis. In addition the ability of oil production by CANOLA cultivars under DROUGHT stress is not followed by seed YIELD. This ability to produce seed YIELD is so less than oil content.

Cites

EFFECT OF SODIUM NITROPRUSSIDE APPLICATION ON LEAF AREA, GROWTH AND WATER USE EFFICIENCY OF KIDNEY BEAN (PHASEOLUS VULGARIS L.) UNDER WATER DEFICIT STRESS

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APA: Copy

VAFABAKHSH, J., NASIRI MAHALATI, MAHDI, KOUCHAKI, ALI REZA, & AZIZI, MAHDI. (2009). EFFECTS OF WATER DEFICIT ON WATER USE EFFICIENCY AND YIELD OF CANOLA CULTIVARS (BRASSICA NAPUS L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 7(1), 297-304. SID. https://sid.ir/paper/118897/en

Vancouver: Copy

VAFABAKHSH J., NASIRI MAHALATI MAHDI, KOUCHAKI ALI REZA, AZIZI MAHDI. EFFECTS OF WATER DEFICIT ON WATER USE EFFICIENCY AND YIELD OF CANOLA CULTIVARS (BRASSICA NAPUS L.). IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2009;7(1):297-304. Available from: https://sid.ir/paper/118897/en

IEEE: Copy

J. VAFABAKHSH, MAHDI NASIRI MAHALATI, ALI REZA KOUCHAKI, and MAHDI AZIZI, “EFFECTS OF WATER DEFICIT ON WATER USE EFFICIENCY AND YIELD OF CANOLA CULTIVARS (BRASSICA NAPUS L.),” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 7, no. 1, pp. 297–304, 2009, [Online]. Available: https://sid.ir/paper/118897/en

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