STUDY OF AGRO-PHYSIOLOGICAL CHARACTRISTICS RELATED TO DROUGHT TOLERANCE IN ADVANCED DURUM GENOTYPES

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MOHAMMADI R.; DARYAEI A.; RAJABI R.

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Journal: Iranian Journal of Field Crops Research Year:2010 | Volume:8 | Issue:3 Page(s): 403-414

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Title

STUDY OF AGRO-PHYSIOLOGICAL CHARACTRISTICS RELATED TO DROUGHT TOLERANCE IN ADVANCED DURUM GENOTYPES

Author(s)

MOHAMMADI R. | DARYAEI A. | RAJABI R. | Issue Writer Certificate

Keywords

DURUM WHEATQ2

AGRO-PHYSIOLOGICAL TRAITSQ3

STIQ3

GSIQ3

Abstract

This study was conducted with 18 advanced durum genotypes and two check cultivars, Zardak (durum check) and Sardari (Bread wheat check), under rainfed and supplemental irrigation in field and also under stress (polyethylene glycol) and non-stress (distilled water) conditions in laboratory in Sararood station during growing seasons 2004-5 and 2005-6. The genotypes were significantly varied based on analysis of variance and mean comparison for the studied agro-physiologic traits. In the both growing seasons, the genotypes No.9, 15 and 19 had the highest grain yield under rain-fed condition. Tthe genotypes No.13 and 16 for 2004-05 and the genotypes No.8, 12 and 19 for 2005-06 had the highest grain yield performance under supplemental irrigation.The genotype No-16 with the highest yield across environments had the highest STI and TOL, whereas the genotype No.8 with the lowest yield had the lowest TOL and relatively low STI. The results of path-coefficient analysis for grain yield under rain-fed condition showed that the traits of DHE, DM, FL, Ped.L/PLH, PLH, RWC, SL had positive direct effect on yield and the others traits had negative direct effect. The genotype No.19 had the highest coleoptile and rootlet length and for these two traits genotypes No.6 and 17 were in lowest. The genotype No.19 had the highest PIS and PIN and genotype No.3 had the lowest. The genotypes No.3, 9, 11, 14 and 20 had the higher GSI under stress than non-stress conditions. The STI as a field criterion had significant positive correlation with the traits of Root.L. and Root. No., which indicating selection based on Root. L. and Root.No. in laboratory condition may be useful and recommended for screening in field condition.

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APA: Copy

MOHAMMADI, R., DARYAEI, A., & RAJABI, R.. (2010). STUDY OF AGRO-PHYSIOLOGICAL CHARACTRISTICS RELATED TO DROUGHT TOLERANCE IN ADVANCED DURUM GENOTYPES. IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 8(3), 403-414. SID. https://sid.ir/paper/119349/en

Vancouver: Copy

MOHAMMADI R., DARYAEI A., RAJABI R.. STUDY OF AGRO-PHYSIOLOGICAL CHARACTRISTICS RELATED TO DROUGHT TOLERANCE IN ADVANCED DURUM GENOTYPES. IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2010;8(3):403-414. Available from: https://sid.ir/paper/119349/en

IEEE: Copy

R. MOHAMMADI, A. DARYAEI, and R. RAJABI, “STUDY OF AGRO-PHYSIOLOGICAL CHARACTRISTICS RELATED TO DROUGHT TOLERANCE IN ADVANCED DURUM GENOTYPES,” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 8, no. 3, pp. 403–414, 2010, [Online]. Available: https://sid.ir/paper/119349/en

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