EFFECTS OF PLANTING DATE AND PLANT DENSITY ON YIELD AND YIELD COMPONENTS OF BRASSICA NIGRA UNDER ABARKOOH CLIMATIC CONDITIONS

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ASGARNEZHAD M.R.; ZAREII GH.R.; ZARE ZADEH A.

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Journal: Crop Production Year:2015 | Volume:8 | Issue:3 Page(s): 183-197

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Title

EFFECTS OF PLANTING DATE AND PLANT DENSITY ON YIELD AND YIELD COMPONENTS OF BRASSICA NIGRA UNDER ABARKOOH CLIMATIC CONDITIONS

Author(s)

ASGARNEZHAD M.R. | ZAREII GH.R. | ZARE ZADEH A. | Issue Writer Certificate

Keywords

BLACK MUSTARDQ2

PLANTING DATEQ3

PLANT DENSITYQ2

SEED YIELDQ2

YIELD COMPONENTSQ2

Abstract

Background and objectives: BLACK MUSTARD (Brassica nigra (L.) Koch) is an annual plant belongs toBrassicaceae. It has a variety of uses in traditional medicine for rheumatic and neurological pain. Growth, development and production of medicinal plants like other plants are influenced by genetic and environmental factors. Selecting the most appropriate PLANTING DATE and the most favorable PLANT DENSITY is an important factors in the success of any cultivated plant. There is optimal PLANTING DATE for each crop and the delay is usually reduced its yield. Agronomists believe that the appropriate PLANT DENSITY at the farm is the foundation of a farming system. In appropriate density the plant can use all environmental factors and decreased competition between plants.Materials and methods: In order to evaluate the effects of sowing date and PLANT DENSITY on yield and YIELD COMPONENTS of BLACK MUSTARD, an experiment was conducted based on RCBD with three replications at Abarkooh (Yazd Province) and the height is 1700 meters above sea level in the region during growing season in 2012. Treatments were three PLANTING DATEs (30/Jan, 19/Feb and 11/March/2012) and three plant densities (33, 50 and 100 plant/m2). leaf water potential (LWP), relative water content (RWC), plant height, branch/plant, fruit/plant, seed/fruit, 1000-seed weight, SEED YIELD, biological yield, oil percent and oil yield of BLACK MUSTARD were measured. Solutions from sucrose (-5, -10 and -15 bar) was used for measuring LWP. Data analyzed by MSTATC and SAS 9.2 and then means compared with LSD.Results: Results showed there is significant difference between PLANTING DATEs on RWC, plant height, branch/plant, fruit/plant, seed/fruit, 1000-seed weight, SEED YIELD and biological yield.30/Jan is the best date with 1474.2 Kg ha-1 (seed yield), 359.34 Kg ha-1 (oil yield) and 8190 Kg ha-1 (biological yield). There is no significant difference among plant densities on biological yield, SEED YIELD and oil yield traits. The interaction effect of PLANTING DATE and density on the number of silique/plant and the number of seed/silique were significantly different. The effect of PLANT DENSITY on SEED YIELD did not have significant difference. In high density SEED YIELD decreased because of decreasing of branch and silique/plant. There’s no significant difference between plant densities and sowing dates on oil percent.Conclusion: Results showed that PLANTING DATEs have strong effect and selected densities have poor effect on yield, in appropriate PLANTING DATE arise plants with good vegetative growth and finally high yield. In general, according to the results of mean comparison of interaction effects of density and PLANTING DATE on SEED YIELD and oil yield, 30/Jan and 100 plant/m2 is recommended in the Abarkooh and similar areas.

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APA: Copy

ASGARNEZHAD, M.R., ZAREII, GH.R., & ZARE ZADEH, A.. (2015). EFFECTS OF PLANTING DATE AND PLANT DENSITY ON YIELD AND YIELD COMPONENTS OF BRASSICA NIGRA UNDER ABARKOOH CLIMATIC CONDITIONS. ELECTRONIC JOURNAL OF CROP PRODUCTION, 8(3), 183-197. SID. https://sid.ir/paper/135168/en

Vancouver: Copy

ASGARNEZHAD M.R., ZAREII GH.R., ZARE ZADEH A.. EFFECTS OF PLANTING DATE AND PLANT DENSITY ON YIELD AND YIELD COMPONENTS OF BRASSICA NIGRA UNDER ABARKOOH CLIMATIC CONDITIONS. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2015;8(3):183-197. Available from: https://sid.ir/paper/135168/en

IEEE: Copy

M.R. ASGARNEZHAD, GH.R. ZAREII, and A. ZARE ZADEH, “EFFECTS OF PLANTING DATE AND PLANT DENSITY ON YIELD AND YIELD COMPONENTS OF BRASSICA NIGRA UNDER ABARKOOH CLIMATIC CONDITIONS,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 8, no. 3, pp. 183–197, 2015, [Online]. Available: https://sid.ir/paper/135168/en

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