Trangressive segregation for resistance in wheat to &lt;i&gt;Septoria tritici&lt;/i&gt; blotch

Arama, P.F.; Parlevliet, J.E.; Silfhout, C.H. van

doi:10.4314/acsj.v8i3.27686

Cited by 9 publications

(14 citation statements)

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“…Transgressive segregation was reported for climbing ability in common beans developed from inter-gene pool crosses (Checa et al, 2006). Transgressive segregation was also found useful in enhancing resistance of wheat to Septoria tritici blotch for yield increase (Arama et al, 2000).…”

Section: Discussionmentioning

confidence: 94%

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Agronomic qualities of genetic pyramids of common bean developed for multiple-disease-resistance

Okii¹,

Tukamuhabwa²,

Tusiime³

et al. 2017

Afr. Crop Sci. J.

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Section: Discussionmentioning

confidence: 94%

“…In addition, transgressive segregation is another source of genetic variability to look out for among genetic pyramids, since it causes individuals in a segregating population to express traits of interest outside the boundaries of the parents (Arama et al, 2000;Schwarzbach et al, 2001;Acquaah, 2007).…”

Section: Introductionmentioning

confidence: 99%

Agronomic qualities of genetic pyramids of common bean developed for multiple-disease-resistance

Okii¹,

Tukamuhabwa²,

Tusiime³

et al. 2017

Afr. Crop Sci. J.

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“…Genetic studies on inheritance of resistance to STB have generally been conducted at the seedling growth stage in the greenhouse and have been oriented towards examining the effects of simple Mendelian inheritance using single gene model (Arama et al, 2000). In practical plant breeding situations, screening for resistance to STB is carried out under field condition allowing full exposure of the genetic material to real natural multi-virulence pathogen population.…”

Section: Discussionmentioning

confidence: 99%

Quantitative inheritance of resistance to Septoria tritici blotch in durum wheat in Tunisia

Berraies¹,

Ammar²,

Gharbi

et al. 2014

Chilean J. Agric. Res.

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Septoria tritici blotch, causal agent Mycosphaerella graminicola (Fuckel) J. Schröt. (anamorph: Zymoseptoria tritici Desm.), is the major foliar disease of wheat (Triticum aestivum L.) in Tunisia causing frequent epidemics on T. turgidum L. var. durum (Desf.) Bowden, and important yield and grain quality losses. To determine the inheritance of resistance to septoria, a cross was made using resistant ('Salim') and susceptible ('Karim') cultivars. Parents, and the 149 derived recombinant lines, were tested for resistance to septoria under field conditions during the 2009 and 2010 crop seasons. The inheritance of resistance to septoria was quantitative where a continuous and normal distribution (W = 0.93) was shown among segregate progenies. During 2009 and 2010 crop seasons, the mean disease severities of recombinant inbred lines (RILs) ranged from 29.1% to 41.8%, respectively, and 53% of RILs were associated with lower disease severity than the mid-parent value. The severity was significantly affected by Genotype × Year interaction (p < 0.01). Broad sense heritability was 0.55 suggesting a quantitative inheritance of resistance to M. graminicola. These results would imply that genetic resistance to STB could be attributed to additive gene effects. Thus, using identified sources of tolerance to STB in a breeding program would enhance the development of cultivars that are adapted to the prevailing isolates in field conditions.

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“…Transgressive segregants in half diallel wheat crosses have also been mentioned in case of Septoria tritici blotch resistant [23]. Both susceptible and resistant type of transgressive segregants for stripe rust were reported by [8] in F2 and F3 generations of some wheat crosses.…”

Section: Discussionmentioning

confidence: 98%

Assessment of genes controlling Area under Disease Progress Curve (AUDPC) for stripe rust (P. Striiformis F. Sp. Tritici) in two wheat (Triticum Aestivum L.) crosses

Irfaq

Ajab

et al. 2009

Cytol. Genet.

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Trangressive segregation for resistance in wheat to <i>Septoria tritici</i> blotch

Cited by 9 publications

References 0 publications

Agronomic qualities of genetic pyramids of common bean developed for multiple-disease-resistance

Agronomic qualities of genetic pyramids of common bean developed for multiple-disease-resistance

Quantitative inheritance of resistance to Septoria tritici blotch in durum wheat in Tunisia

Assessment of genes controlling Area under Disease Progress Curve (AUDPC) for stripe rust (P. Striiformis F. Sp. Tritici) in two wheat (Triticum Aestivum L.) crosses

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