The Effect of Source and Rates of Fe on Yield and components of Oil-seed Sunflower
Subject Areas : crop production
1 - - دانش آموخته گروه كشاورزي – زراعت، واحد خوي، دانشگاه آزاد اسلامي، خوي – ايران.
Keywords: biological yield - foliar application - chlorophyll - Fe chalate,
Abstract :
To study the effects of amount and source of Fe on the form of oil and foliar application on yield and its components in oil seed sunflower ( variety Farrokh ), an experiment was performed in 8 treatments and 3 replications in complete randomized block design in Agricultural and Natural Resource Station in Khoy, W. Azarbaijan. The tests were respectively T1 : control ( non consuming ), T2 : 10 kg per hectare land consuming FeEDTA. T3 : two – phase solution spray. T4 : two-phase 10 in thousand FeEDTA solution spray. T5 : 10 kg per hectare Feso4 ×H2O land consuming. T6 : in thousand Feso4 ×H2O solution spray. T7: 10 kg per hectare Feso4 ×H2O land consuming and 5 in thousand FeEDTA solution spray. T8 : 50 kg per hectare Feso4×HO land consuming and 5 in thousand FeEDTA solution spray. After the analysis of variance about characteristics under evolution, it became clear that there was a significant difference between the sprig height, chlorophyll percentage, seed number of each tray, thousand seed weight, hollow area, oil percentage, and the biological yield of different tests. The maximum percentage of oil ( 40.247 ) and number of seeds in a tray ( 696 ) and chlorophyll ( 42.85 ) were found in T3 that had used Fe solution spray ( foliar )at the rate of 5 kg per hectare in two phases of star of hand and tray seeds filling, and the maximum yield seed ( 351.3 gr) and a thousand seed weight ( 62. 567 ) was found in T8 that had used 5 kg in hectare Feso4 × H2O land consuming and 5 kg in hectare FeEDTA solution spray and the maximum hollow area was for T1 control ( non consuming ) ( 34.107 mm ) and the minimum was for T4 that had used two-phase 10 in thousand FeEDTA solution spray ( 25.10 mm ). In general, most of the tests which had used Fe solution spray were placed in upper level than other tests which used land consuming or didn't use Fe in statistical group. So, to achieve the high yields and improve the quality of sunflower, consumption of Fe is recommended.
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