Paper Information

Journal:   IRANIAN JOURNAL OF SOIL AND WATERS SCIENCES   2003 , Volume 17 , Number 2; Page(s) 140 To 150.
 
Paper: 

EFFECTS OF IRON, MANGANESE, ZINC, AND COPPER ON WHEAT YIELD AND QUALITY UNDER SALINE CONDITION

 
 
Author(s):  BAI BOURDI A., MALAKOUTI M.J.*
 
* Staff at East Azarbyjan
 
Abstract: 
Wheat (Triticum aestivum L.) is sensitive to zinc deficiency, but less sensitive to iron and copper deficiencies. A series of experiments was carried out at Khosrow-Shahr Agricultural Experiment Station to evaluate the effects of various rates of micronutrients on wheat production under saline condition. The project included four completely randomized block experiments carried out in 10 m2 plots. Various rates of iron, zinc, copper or manganese were tested in three replications with the following treatments: 1control; 2- the recommended rates; 3- the nutrient rate at 50% below the recommended level; and 4- the nutrient rates at 50% above the recommended level. The analysis of variance showed no significant effects of Iron on the seed yield, straw yield, the weight of a thousand seeds, the number of spikes per unit area and on copper concentration in the wheat grain. But, there were significant effects (at 1 % level) due to various rates of iron on the number of seeds per plant, the grain concentrations of iron, zinc, and manganese, and the grain protein content (at 5% level). Also, the effects of various rates of zinc sulfate on straw and grain yield, and the number of spikes per unit area were significant at 5% level, and on the Thousand Kernel Weight (TKW), the number of seeds per plant, the grain protein and zinc contents were significantly affected at 1% level. The analysis of variance showed that the effects of the rates of manganese applications on the grain and straw yields were significant at 5% level and on the grain concentrations of iron and zinc significant at 1% level. Also, the effects of copper on the TKW, the number of spikes per unit area and on the grain iron and zinc concentrations were significant at 1% level and on the grain copper concentration at 5% level.
 
Keyword(s):  WHEAT GRAIN YIELD; FORTIFICATION; SALINE CONDITION
 
References: 
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