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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCES   2006 , Volume 12 , Number 1 (SUPPLEMENT); Page(s) 123 To 132.
 
Paper: 

NEW CULTIVAR WHEAT REACTIONS TOWARDS INSUFFICIENT IRRIGATION SYSTEMS

 
 
Author(s):  REZA DOUST SASAN, ROSHDI MOHSEN
 
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Abstract: 

Considering the limitations of water resources in the second half of Ordibehesht which coincides the seeding stage of Wheat in W. Azarbaijan, made us carry out a test to distinguish the plant’s need for water at the end of growth season and survey the possibilities of reducing 1-2 irrigation between the cultivars of this product. The research was done in Split Plot of the basis of complete block design where the insufficiency of irrigation as the main factor in four stages: (stem elongation + earing, stem elongation + flowering, stem elongation + earing + flowering and stem elongation + earing + flowering + milk development of the seeds, stage as a witness) and the cultivars of C-73-5 (Sahand), C-73-20 (Shahriar), and the Dorum wheat of Simineh and Zarrin were in focus as the secondary Factors. The experiment was done in Khoy Agricultural Research Station, during the years of 81-82 and the result of the compound analysis of the data indicated that all the qualities surveyed except the quality of tillers in number and seed function were under the deficiency of irrigation and the cultivar. Length of the stem. number of the seed in the spike, length of the spike, Weight of 1000 seeds, biological yield, and harvest index were increased by the alteration of irrigation. The seed yield in the fourth irrigation level was two times more than the first and second level. It was deduced that the reason could be in the ease and creation of the suitable conditions for the transmission of hydrocarbons and the other products of photosyntheses. Since the aim of this research was to eliminate one or two stages of irrigation at the end of wheat growth season, the plantation of the C-73-20 cultivars and their irrigation in three phases: stemming, earing, and setting on flower were considered suitable. By the following of this procedure, level of the land under cultivation will be increased and so will the yield of production on the surface unit.

 
Keyword(s): WHEAT, INSUFFICIENT IRRIGATION, CULTIVAR
 
References: 
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