DROUGHT RESISTANCE AND ITS RELATION WITH YIELD, LEAF AREA AND CROP GROWTH RATE DURING REPRODUCTIVE STAGE IN BREAD WHEAT GENOTYPES WITH DIFFERENT BREEDING BACKGROUND

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AHMADI A.; SAEIDI M.; ZALI A.A.

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Paper Information

Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:12 | Issue:Supplement (Special Issue Agronomy) Page(s): 81-90

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Information Journal Paper

Title

DROUGHT RESISTANCE AND ITS RELATION WITH YIELD, LEAF AREA AND CROP GROWTH RATE DURING REPRODUCTIVE STAGE IN BREAD WHEAT GENOTYPES WITH DIFFERENT BREEDING BACKGROUND

Author(s)

AHMADI A. | SAEIDI M. | ZALI A.A. | Issue Writer Certificate

Keywords

WHEATQ3

DROUGHT RESISTANCEQ3

WATER STRESSQ2

LEAF AREAQ2

CGRQ4

Abstract

In a field experiment, DROUGHT RESISTANCE and its relation with some of growth parameters in bread WHEAT genotypes of differential breeding background were investigated. A split plot arrangement of treatments (moisture regimes as main-plots and genotypes as sub-plots) based on complete block design with four replications was employed. WATER STRESS was imposed from late jointing. Significant differences were detected between genotypes for grain yield and HI. Azadi and Qods followed by Roushan showed the highest grain yield and HI under both irrigation regimes, while the lowest ones were observed in landraces. Based on DROUGHT RESISTANCE indices, Qods, Azadi and Roushan were considered as resistant, and most of landraces as sensitive to WATER STRESS. The superiority of yield and HI of improved varieties to landraces was revealed due to statistically comparison of the three bread WHEAT genotypes with different breeding backgrounds. WATER STRESS reduced LEAF AREA and crop growth rate. In this respect genotype differences were statistically significant. Significant interaction effects of genotypes and irrigation regimes on LEAF AREA were detected. There were not detected any relationship between this trait and DROUGHT RESISTANCE. Similar results were observed for CGR.

Cites

THE EFFECTS OF WATER STRESS AT PHENOLOGICAL STAGE OF WHEAT ON GROWTH PARAMETER

References

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APA: Copy

AHMADI, A., SAEIDI, M., & ZALI, A.A.. (2006). DROUGHT RESISTANCE AND ITS RELATION WITH YIELD, LEAF AREA AND CROP GROWTH RATE DURING REPRODUCTIVE STAGE IN BREAD WHEAT GENOTYPES WITH DIFFERENT BREEDING BACKGROUND. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 12(Supplement (Special Issue Agronomy)), 81-90. SID. https://sid.ir/paper/373863/en

Vancouver: Copy

AHMADI A., SAEIDI M., ZALI A.A.. DROUGHT RESISTANCE AND ITS RELATION WITH YIELD, LEAF AREA AND CROP GROWTH RATE DURING REPRODUCTIVE STAGE IN BREAD WHEAT GENOTYPES WITH DIFFERENT BREEDING BACKGROUND. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;12(Supplement (Special Issue Agronomy)):81-90. Available from: https://sid.ir/paper/373863/en

IEEE: Copy

A. AHMADI, M. SAEIDI, and A.A. ZALI, “DROUGHT RESISTANCE AND ITS RELATION WITH YIELD, LEAF AREA AND CROP GROWTH RATE DURING REPRODUCTIVE STAGE IN BREAD WHEAT GENOTYPES WITH DIFFERENT BREEDING BACKGROUND,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 12, no. Supplement (Special Issue Agronomy), pp. 81–90, 2006, [Online]. Available: https://sid.ir/paper/373863/en

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