INHERITANCE OF STRIPE RUST RESISTANCE IN BREAD WHEAT

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KHODARAHMI M.; BIHAMTA M.R.; MOHAMMADI S.A.A.GH.; MAJIDI HERAVAN E.

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Journal: Iranian Journal of Crop Sciences Year:2007 | Volume:8 | Issue:4 (32) Page(s): 368-378

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Title

INHERITANCE OF STRIPE RUST RESISTANCE IN BREAD WHEAT

Author(s)

KHODARAHMI M. | BIHAMTA M.R. | MOHAMMADI S.A.A.GH. | MAJIDI HERAVAN E. | Issue Writer Certificate

Keywords

GENERATION MEAN ANALYSISQ3

STRIPE RUSTQ3

BREAD WHEATQ3

SEEDLING RESISTANCEQ3

Abstract

To study the inheritance of STRIPE RUST resistance and to estimate the genetic components of resistance in wheat, F1, F2, BC1 and BC2 generations derived from a cross between MV17 as resistante and Bolani as susceptible parents together with parental lines were evaluated in a randomized complete block design (RCBD) with three replications in the greenhouse. The plant materials were inoculated with pathotypes 134E134A+ and 166E134A+ of STRIPE RUST in two different experiments. In all plants, resistance components including latent period (days from inoculation to first pustule eruption) and infection type were recorded after appearance of pustules on leaves. GENERATION MEAN ANALYSIS revealed that additive, dominance and epistasis (especially [j] and [l] components) play a major role in increasing and decreasing of latent period and infection type, respectively. In spite of significant additive effect, dominance gene effect was the most important component in controlling these two characteristics. Estimates of degree of dominance were very close to unity for the two concerned traits in response to both pathotypes which indicates a complete dominance resistance. Heritability ranged from moderate to high and number of segregating genes governing resistance ranged from 1 to 3.

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APA: Copy

KHODARAHMI, M., BIHAMTA, M.R., MOHAMMADI, S.A.A.GH., & MAJIDI HERAVAN, E.. (2007). INHERITANCE OF STRIPE RUST RESISTANCE IN BREAD WHEAT. IRANIAN JOURNAL OF CROP SCIENCES, 8(4 (32)), 368-378. SID. https://sid.ir/paper/57088/en

Vancouver: Copy

KHODARAHMI M., BIHAMTA M.R., MOHAMMADI S.A.A.GH., MAJIDI HERAVAN E.. INHERITANCE OF STRIPE RUST RESISTANCE IN BREAD WHEAT. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2007;8(4 (32)):368-378. Available from: https://sid.ir/paper/57088/en

IEEE: Copy

M. KHODARAHMI, M.R. BIHAMTA, S.A.A.GH. MOHAMMADI, and E. MAJIDI HERAVAN, “INHERITANCE OF STRIPE RUST RESISTANCE IN BREAD WHEAT,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 8, no. 4 (32), pp. 368–378, 2007, [Online]. Available: https://sid.ir/paper/57088/en

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