THE RESPONSE OF GRAIN CORN GENOTYPES TO DROUGHT AND DETERMINATION OF DROUGHT TOLERANCE INDICES

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GOLBASHY M.; EBRAHIMI M.; KHAVARI KHORASANI S.; SABOUR M.H.

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Journal: Iranian Journal of Field Crops Research Year:2011 | Volume:9 | Issue:15 Page(s): 103-113

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Title

THE RESPONSE OF GRAIN CORN GENOTYPES TO DROUGHT AND DETERMINATION OF DROUGHT TOLERANCE INDICES

Author(s)

GOLBASHY M. | EBRAHIMI M. | KHAVARI KHORASANI S. | SABOUR M.H. | Issue Writer Certificate

Keywords

MULTIVARIATE ANALYSISQ2

TOLERANCE INDEXQ2

MEAN PRODUCTIVITYQ2

GOLDEN MEANQ2

Abstract

Water deficit is one of the most common constraints to crop productivity in the world and Iran. In order to study effect of drought stress on morphologic traits, yield and yield components of 34 hybrids of corn, an experiment was carried out based of complete randomized block design with three replication under F.C. irrigation and drought stress in Khorasan Razavi Agricultural Research and Natural Resources Institute mashhad,Iran on 2010. Results of analysis of variance showed that in both conditions there are significant different between all hybrids for all traits. In these experiment drought tolerance indices as TOL, MP, GMP, SSI, STI, HARM and also GOLDEN MEAN (new index) were calculated. Results of hybrid means comparison showed that in F.C. Irrigation condition S.C500 hybrid and in stress condition N.11 hybrid was better than others in yield trait (13/79 and 5/69, respectively). It seems that Harm, STI, MP and GMP indices have a similar ability to separate drought sensitive and tolerant genotypes. According to cluster analysis (UPGMA method) based on stress tolerance and susceptibility indices and grain yield in both F.C. and stress conditions, hybrids were classified in three groups with low intra- and high extra-group similarities. In conclusion, it can be suggested that H11 and SC250 hybrids should be recommended in Mashhad Plain.

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APA: Copy

GOLBASHY, M., EBRAHIMI, M., KHAVARI KHORASANI, S., & SABOUR, M.H.. (2011). THE RESPONSE OF GRAIN CORN GENOTYPES TO DROUGHT AND DETERMINATION OF DROUGHT TOLERANCE INDICES. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 9(15), 103-113. SID. https://sid.ir/paper/119198/en

Vancouver: Copy

GOLBASHY M., EBRAHIMI M., KHAVARI KHORASANI S., SABOUR M.H.. THE RESPONSE OF GRAIN CORN GENOTYPES TO DROUGHT AND DETERMINATION OF DROUGHT TOLERANCE INDICES. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2011;9(15):103-113. Available from: https://sid.ir/paper/119198/en

IEEE: Copy

M. GOLBASHY, M. EBRAHIMI, S. KHAVARI KHORASANI, and M.H. SABOUR, “THE RESPONSE OF GRAIN CORN GENOTYPES TO DROUGHT AND DETERMINATION OF DROUGHT TOLERANCE INDICES,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 9, no. 15, pp. 103–113, 2011, [Online]. Available: https://sid.ir/paper/119198/en

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