EVALUATION OF YIELD AND MORPHOLOGICAL CHARACTERISTICS OF SWEET CORN (ZEA MAYS VAR. SACCHARATA) BY DIFFERENT IRRIGATION LEVELS AND CULTIVATION TECHNIQUES

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FEREIDOONI M.J.; FARAJEE H.; SEDGHI ASL M.

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Journal: Crop Production Year:2016 | Volume:9 | Issue:2 Page(s): 127-150

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Title

EVALUATION OF YIELD AND MORPHOLOGICAL CHARACTERISTICS OF SWEET CORN (ZEA MAYS VAR. SACCHARATA) BY DIFFERENT IRRIGATION LEVELS AND CULTIVATION TECHNIQUES

Author(s)

FEREIDOONI M.J. | FARAJEE H. | SEDGHI ASL M. | Issue Writer Certificate

Keywords

DRIP TAPE IRRIGATIONQ1

EVAPOTRANSPIRATIONQ2

GRAIN YIELDQ2

WATER USE EFFICIENCYQ2

Abstract

Background and objectives: In Iran, reducing of water resources and increasing of water losses in the various methods of the surface irrigation, has increased attention to pressurized irrigation method, especially drip irrigation. Application of the plastic mulch method is used in cultivation of early sweet corn. Application of this technique due to providing temperature in both plant growth and early maturity results the on-time delivery of product to the target market. Additionally, to reducing of water consumption, using germinated seedlings in the greenhouse and transplants it under plastic on the farm, cause early maturity.Materials and methods: In order to evaluation of yield and some morphological characteristics of sweet corn by different irrigation levels and cultivation techniques, an experiment was carried out as split plot in randomize complete blocks design with three replication in Faculty of Agriculture, Research Field Station of Yasouj University in 2015. The main factor consisted of three levels of irrigation (100 (I1), 75 (I2) and 50 percentage of water requirement (I3)) and the sub-factors were cultivation techniques of sweet corn in six levels (seed cultivation of sweet corn under plastic mulch on April 4 (CT1), seedling cultivation under plastic mulch on April 4 (CT2), seed cultivation to conventional method of sweet corn on May 5 (CT3), seed cultivation of sweet corn under plastic mulch on May 5 (CT4), seedling cultivation of sweet corn under plastic mulch on May 5 (CT5) and seedling cultivation to conventional method of sweet corn on May 5 (CT6)).Results: The result indicated that interaction effect of irrigation and cultivation techniques were significant on ear yield, the canned yield, WATER USE EFFICIENCY based on fresh grain, forage yield and biological yield. The maximum ear yield was obtained in I2CT1, I1CT1, I2CT2 and I1CT2 treatment equal to 1442, 1441, 1369 and 1351 g m-2, respectively. The minimum ear yield was obtained in I3CT3 treatment equal to 706 g m-2. The maximum canned yield was obtained in I1CT1, I2CT1, I1CT2 and I2CT2 treatment equal to 558.7, 551.1, 536.2 and 527.4 g m-2, respectively. Transplanting accelerated plant growth and development. The maximum WATER USE EFFICIENCY based on fresh grain was obtained in I2CT2, I2CT1, I3CT2 and I3CT1 treatment equal to 2.21, 2.18, 2.16 and 2.14 Kg m-3, respectively. With increasing of water consumption economic efficiency of water consumption decreased. Then drip irrigation along with supplying 75 percentage water requirement with achieve acceptable performance with maximum WATER USE EFFICIENCY. The maximum forage yield and biological yield were in I1CT1 treatment equal to 2008 and 3399 g m-2 and the minimum forage yield and biological yield were in I3CT6 treatment equal to 1237 and 1947 g m-2, respectively. The effect of irrigation was significant on ear length and the effect of cultivation techniques was significant on plant height. The maximum ear length 100 percentage water requirement in treatment were equal to 20.3 cm and the minimum in 50 percentage water requirement treatment equal to 17.6 cm. the maximum plant height was obtained in seed cultivation under plastic mulch on April 4.Conclusion: If there are water restrictions, application of 75 percentage of water requirement of sweet corn with plastic mulch is suitable for maximum yield production.

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APA: Copy

FEREIDOONI, M.J., FARAJEE, H., & SEDGHI ASL, M.. (2016). EVALUATION OF YIELD AND MORPHOLOGICAL CHARACTERISTICS OF SWEET CORN (ZEA MAYS VAR. SACCHARATA) BY DIFFERENT IRRIGATION LEVELS AND CULTIVATION TECHNIQUES. ELECTRONIC JOURNAL OF CROP PRODUCTION, 9(2), 127-150. SID. https://sid.ir/paper/135174/en

Vancouver: Copy

FEREIDOONI M.J., FARAJEE H., SEDGHI ASL M.. EVALUATION OF YIELD AND MORPHOLOGICAL CHARACTERISTICS OF SWEET CORN (ZEA MAYS VAR. SACCHARATA) BY DIFFERENT IRRIGATION LEVELS AND CULTIVATION TECHNIQUES. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2016;9(2):127-150. Available from: https://sid.ir/paper/135174/en

IEEE: Copy

M.J. FEREIDOONI, H. FARAJEE, and M. SEDGHI ASL, “EVALUATION OF YIELD AND MORPHOLOGICAL CHARACTERISTICS OF SWEET CORN (ZEA MAYS VAR. SACCHARATA) BY DIFFERENT IRRIGATION LEVELS AND CULTIVATION TECHNIQUES,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 9, no. 2, pp. 127–150, 2016, [Online]. Available: https://sid.ir/paper/135174/en

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