NDLI: Susceptibility to Fusarium head blight is associated with the Rht-D1b semi-dwarfing allele in wheat

Content Provider	Springer Nature Link
Author	Gosman, N. Steed, A. Simmonds, J. Leverington Waite, M. Wang, Y. Snape, J. Nicholson, P.
Copyright Year	2008
Abstract	Fusarium head blight (FHB) is an important disease of wheat worldwide. The cultivar Spark is more resistant than most other UK winter wheat varieties but the genetic basis for this is not known. A mapping population from a cross between Spark and the FHB susceptible variety Rialto was used to identify quantitative trait loci (QTL) associated with resistance. QTL analysis across environments revealed nine QTL for FHB resistance and four QTL for plant height (PH). One FHB QTL was coincident with the Rht-1D locus and accounted for up to 51% of the phenotypic variance. The enhanced FHB susceptibility associated with Rht-D1b is not an effect of PH per se as other QTL for height segregating in this population have no influence on susceptibility. Experiments with near-isogenic lines supported the association between susceptibility and the Rht-D1b allele conferring the semi-dwarf habit. Our results demonstrate that lines carrying the Rht-1Db semi-dwarfing allele are compromised in resistance to initial infection (type I resistance) while being unaffected in resistance to spread within the spike (type II resistance).
Starting Page	1145
Ending Page	1153
Page Count	9
File Format	PDF
ISSN	00405752
Journal	Theoretical and Applied Genetics
Volume Number	116
Issue Number	8
e-ISSN	14322242
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-03-18
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fusarium head blight Semi-dwarf Fusarium culmorum Fusarium graminearum Plant height Rht2 Biotechnology Biochemistry Plant Biochemistry Agriculture Plant Genetics & Genomics Plant Breeding/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Genetics Medicine Biotechnology Agronomy and Crop Science

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Effect of theRht-D1dwarfing locus onFusariumhead blight rating in three segregating populations of winter wheat

Semi-dwarfing Rht-B1 and Rht-D1 loci of wheat differ significantly in their influence on resistance to Fusarium head blight

Original paper semi-dwarfing rht-b1 and rht-d1 loci of wheat differ significantly in their influence on resistance to fusarium head blight.

Common resistance of wheat to members of the Fusarium graminearum species complex and F. culmorum

Effect of a rye dwarfing gene on plant height, heading stage, and Fusarium head blight in triticale (×Triticosecale Wittmack)

Differential gene expression of related wheat lines with contrasting levels of head blight resistance after Fusarium graminearum inoculation

Can effectoromics and loss-of-susceptibility be exploited for improving Fusarium head blight resistance in wheat?

Effects of plant height on type I and type II resistance to fusarium head blight in wheat

Mapping of Fhb2 on chromosome 6BS: a gene controlling Fusarium head blight field resistance in bread wheat (Triticum aestivum L.)

Susceptibility to Fusarium head blight is associated with the Rht-D1b semi-dwarfing allele in wheat

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Effect of theRht-D1dwarfing locus onFusariumhead blight rating in three segregating populations of winter wheat

Semi-dwarfing Rht-B1 and Rht-D1 loci of wheat differ significantly in their influence on resistance to Fusarium head blight

Original paper semi-dwarfing rht-b1 and rht-d1 loci of wheat differ significantly in their influence on resistance to fusarium head blight.

Common resistance of wheat to members of the Fusarium graminearum species complex and F. culmorum

Effect of a rye dwarfing gene on plant height, heading stage, and Fusarium head blight in triticale (×Triticosecale Wittmack)

Differential gene expression of related wheat lines with contrasting levels of head blight resistance after Fusarium graminearum inoculation

Can effectoromics and loss-of-susceptibility be exploited for improving Fusarium head blight resistance in wheat?

Effects of plant height on type I and type II resistance to fusarium head blight in wheat

Mapping of Fhb2 on chromosome 6BS: a gene controlling Fusarium head blight field resistance in bread wheat (Triticum aestivum L.)

Susceptibility to Fusarium head blight is associated with the Rht-D1b semi-dwarfing allele in wheat