EVALUATION OF RICE CULTIVARS IN DROUGHT AND NORMAL CONDITIONS BASED ON SENSITIVE AND TOLERANCE INDICES

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GHIASY M.; FARAHBAKHSH H.; SABOURI H.; MOHAMADI NEJAD GH.

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Journal: Crop Production Year:2014 | Volume:6 | Issue:4 Page(s): 55-75

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Title

EVALUATION OF RICE CULTIVARS IN DROUGHT AND NORMAL CONDITIONS BASED ON SENSITIVE AND TOLERANCE INDICES

Author(s)

GHIASY M. | FARAHBAKHSH H. | SABOURI H. | MOHAMADI NEJAD GH. | Issue Writer Certificate

Keywords

RICEQ2

DROUGHT STRESSQ2

TOLERANCE INDICESQ2

YIELDQ2

Abstract

Drought stress has been well documented as an effective parameter in decreasing crop production, developing and releasing new varieties which are adapted to water deficit conditions can be a constructive program to overcome unsuitable environmental conditions. In order to evaluate the adaptation of RICE genotypes to DROUGHT STRESS and to identify the tolerant and sensitive genotypes, 15 genotypes were studied in two environments (stressed and non–stressed conditions) using randomized complete block design with three replications in the research farm of Gonbad Kavous University in 2008 growing season. Analysis of variance showed that there was highly significant effect (P>0.01) among genotypes in all traits and in both environments. Mean comparison showed that the highest YIELD belonged to Domsiah, Sarkho and Sangjo in non-stressed and Gerde, Sangjo and IR83752-B-B123 in stressed conditions. Based on biplot and correlation analysis mean productivity (MP), geometric mean productivity (GMP) stress tolerance index (STI) and mean harmonic were the most suitable indices for selection of genotypes under stress and non-stress condition. Based on MP, GMP and STI and also biplot technique, Garde, Sarkho, Sangjo, IR83752-B-B123, Tarom mahali and Tarom Amiri) were determined as the most tolerant cultivars while BRSBONANC GRALDO being the low YIELD and most sensitive to DROUGHT STRESS.

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APA: Copy

GHIASY, M., FARAHBAKHSH, H., SABOURI, H., & MOHAMADI NEJAD, GH.. (2014). EVALUATION OF RICE CULTIVARS IN DROUGHT AND NORMAL CONDITIONS BASED ON SENSITIVE AND TOLERANCE INDICES. ELECTRONIC JOURNAL OF CROP PRODUCTION, 6(4), 55-75. SID. https://sid.ir/paper/135013/en

Vancouver: Copy

GHIASY M., FARAHBAKHSH H., SABOURI H., MOHAMADI NEJAD GH.. EVALUATION OF RICE CULTIVARS IN DROUGHT AND NORMAL CONDITIONS BASED ON SENSITIVE AND TOLERANCE INDICES. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2014;6(4):55-75. Available from: https://sid.ir/paper/135013/en

IEEE: Copy

M. GHIASY, H. FARAHBAKHSH, H. SABOURI, and GH. MOHAMADI NEJAD, “EVALUATION OF RICE CULTIVARS IN DROUGHT AND NORMAL CONDITIONS BASED ON SENSITIVE AND TOLERANCE INDICES,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 6, no. 4, pp. 55–75, 2014, [Online]. Available: https://sid.ir/paper/135013/en

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