EFFECT OF DEFICIT IRRIGATION LEVELS AT FOUR GROWTH STAGES ON YIELD AND QUALITY OF SUGAR BEET

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MIRZAEI M.R.; REZVANI S.M.

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Journal: Iranian Journal of Crop Sciences Year:2012 | Volume:14 | Issue:2 (54) Page(s): 94-107

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Title

EFFECT OF DEFICIT IRRIGATION LEVELS AT FOUR GROWTH STAGES ON YIELD AND QUALITY OF SUGAR BEET

Author(s)

MIRZAEI M.R. | REZVANI S.M. | Issue Writer Certificate

Keywords

BABBLER IRRIGATIONQ2

SUGAR BEETQ3

SUGAR YIELDQ2

CROP SENSITIVITY FACTOR AND WATER DEFICITQ2

Abstract

To estimate the crop sensitivity factor (Ky) and to assess water stress effect in different growth stages of SUGAR BEET, an experiment was conducted as split plot arrangement in randomized complete block design with four replications. The experiment was carried out in 2004 and 2005 growing seasons in the Agricultural and Natural Resources Research Center of Hamadan Province, Hamedan, Iran. Main plots consisted of four different growth stages including; 1: germination to establishment, 2: establishment to 70-80% canopy development, 3: full canopy development and 4: beginning of canopy senescence to crop maturity (maximum extraction coefficient). Sub-plots consisted of different water consumption levels; 100, 85, 70 and 55% of full irrigation requirements. Combined analysis of variance showed that there was significant difference between growth stages for SUGAR YIELD and white SUGAR YIELD. Quality properties including sugar content and white sugar content also differed significantly. There was significant difference between irrigation levels for quantitative traits as well as alkalinity coefficient. Interaction effect of growth stage×irrigation level was significant for different quantitative traits. In conclusion SUGAR BEET sensitivity to water stress is alike in all of the growth stages. The most sensitive growth stage of SUGAR BEET to water stress was the first stage for root yield and SUGAR YIELD. The crop sensitivity factor for different growth stages of SUGAR BEET was 1.23, 1.02, 1.06 and 0.84, respectively. It is suggested that the available irrigation water is applied during the growth stages of SUGAR BEET with crop sensitivity factor less than one. Therefore, water consumption can be reduced by 45% at the second and fourth growth stages and 15% at third growth stage, relative to full irrigation, without significant decrease in white SUGAR YIELD.

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APA: Copy

MIRZAEI, M.R., & REZVANI, S.M.. (2012). EFFECT OF DEFICIT IRRIGATION LEVELS AT FOUR GROWTH STAGES ON YIELD AND QUALITY OF SUGAR BEET. IRANIAN JOURNAL OF CROP SCIENCES, 14(2 (54)), 94-107. SID. https://sid.ir/paper/57288/en

Vancouver: Copy

MIRZAEI M.R., REZVANI S.M.. EFFECT OF DEFICIT IRRIGATION LEVELS AT FOUR GROWTH STAGES ON YIELD AND QUALITY OF SUGAR BEET. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2012;14(2 (54)):94-107. Available from: https://sid.ir/paper/57288/en

IEEE: Copy

M.R. MIRZAEI, and S.M. REZVANI, “EFFECT OF DEFICIT IRRIGATION LEVELS AT FOUR GROWTH STAGES ON YIELD AND QUALITY OF SUGAR BEET,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 14, no. 2 (54), pp. 94–107, 2012, [Online]. Available: https://sid.ir/paper/57288/en

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