EVALUATION OF BREAD WHEAT GENOTYPES (TRITICUM AESTIVUM L.) RESPONSE TO SALINITY STRESS

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GOMARIAN M.; MALBOOBI M.A.; DARVISH F.; MOHAMMADI S.A.; RAZAVI KH.

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Journal: JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE Year:2009 | Volume:5 | Issue:1 Page(s): 21-31

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Title

EVALUATION OF BREAD WHEAT GENOTYPES (TRITICUM AESTIVUM L.) RESPONSE TO SALINITY STRESS

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Keywords

SALINITY STRESSQ3

WHEATQ3

SODIUM CHLORIDEQ3

K+/NA+ RATIOQ3

Abstract

In a greenhouse experiment the effects of SALINITY STRESS on fifteen bread WHEAT genotypes were evaluated. Experimental factorial design was in a randomized completely block design (RCBD) with four replications. Seed of the bread WHEAT genotypes sown in thoroughly washed sand in plastic containers. The sand was irrigated on alternative days with full strength Hoagland’s nutrient solution prepared in distilled water. Control and salinity treatments contain full strength Hoagland’s with 0 and 150 mM NaCl, respectively.Kharchia-66 and Chinese spring were tow of selected bread WHEAT genotypes as tolerant and susceptible control respectively.Other genotypes include double haploid lines that obtain from maize and WHEAT crosses as follow: DH-1557-1, DH-1557-3, DH-1557-7, DH-1557-15, DH-1557-33, DH-1102-12 and three Onfarm genotypes consist of Onfarm-4, Onfarm-6 and Onfarm9. The result showed that tolerant and susceptible bread WHEAT genotypes as regards to absorbance of sodium and potassium have genetic variability. The positive and significant correlation were observed between K+/Na+ ratio and grain filling duration and seed dry weight. SALINITY STRESS had no effects on flowering time but it causes reduction of grain filling period and this reduction were greater in susceptible genotypes. Cluster analysis divided genotypes in four groups. SSI was considered to separate relative tolerance from absolute tolerance. Mahooti cultivar and DH-1557-3 double haploid line superior from other genotypes in view of stress susceptibility index of grain and shoot dry weight that indicate accumulation tolerant genes in two genotypes and also Ghods cultivar and DH-1102-12 double haploid line inferior from other genotypes in view of stress susceptibility index. The result also indicated that the relative tolerance to SALINITY STRESS was highest in Roshan cultivar and among Onfarm lines the highest relative tolerance observed in Onfarm-6 line.

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APA: Copy

GOMARIAN, M., MALBOOBI, M.A., DARVISH, F., MOHAMMADI, S.A., & RAZAVI, KH.. (2009). EVALUATION OF BREAD WHEAT GENOTYPES (TRITICUM AESTIVUM L.) RESPONSE TO SALINITY STRESS. JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE, 5(1), 21-31. SID. https://sid.ir/paper/115263/en

Vancouver: Copy

GOMARIAN M., MALBOOBI M.A., DARVISH F., MOHAMMADI S.A., RAZAVI KH.. EVALUATION OF BREAD WHEAT GENOTYPES (TRITICUM AESTIVUM L.) RESPONSE TO SALINITY STRESS. JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE[Internet]. 2009;5(1):21-31. Available from: https://sid.ir/paper/115263/en

IEEE: Copy

M. GOMARIAN, M.A. MALBOOBI, F. DARVISH, S.A. MOHAMMADI, and KH. RAZAVI, “EVALUATION OF BREAD WHEAT GENOTYPES (TRITICUM AESTIVUM L.) RESPONSE TO SALINITY STRESS,” JOURNAL OF RESEARCH IN AGRICULTURAL SCIENCE, vol. 5, no. 1, pp. 21–31, 2009, [Online]. Available: https://sid.ir/paper/115263/en

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