Iranian Journal of Field Crop Science

Iranian Journal of Field Crop Science

Evaluation of phenology relationship with yield potential and drought stress tolerance in some of wheat (Triticum aestivum L.) genotypes and varieties in Iran

Document Type : Research Paper

Authors
Nasrin Ziloee 1
Ali Ahmadi 2
Mehdi Joudi 3
1 Ph.D, Student, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
2 Professor, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
3 Assistant Professor, Moghan College of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Parsabad, Iran
10.22059/ijfcs.2014.53563
Abstract
Proportionality of wheat cultivars growth patterns to the area’s agro climatic condition will improve crop production. The objective of this study was identifying the phenology of a wide range of wheat varieties in Iran, as well as evaluating the relationship between phenology and drought stress tolerance under late season drought stress. In this experiment, 36 wheat genotypes were studied under irrigated and drought stress conditions, at farm of the Agricultural College of Tehran University during 2010-11cropping season. Experimental design was simple lattice with three replications. Phenology, grain yield, grain number per spike and 1000 kernel weight were recorded for all cultivars. The results showed that most of the varieties which had short vegetative duration, subsequently had greater ability to tolerate late season drought stress. Also, under drought stress condition, wheat varieties with short grain filling period had the highest 1000 kernel weight, such as Simineh, Chenab, Stork, Moghan 3, Cross falat hamoon and DN-11
Keywords
Drought stress
Grain filling duration
Phenology
Flowering
Wheat
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Iranian Journal of Field Crop Science
Volume 45, Issue 4 - Serial Number 4
Spring 2015
Pages 531-540

  • Receive Date 05 February 2014
  • Revise Date 19 August 2014
  • Accept Date 23 August 2014
  • Publish Date 22 December 2014