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Role of the Genotype in Controlling Accumulation of Strontium-89 by Plants (1963)

RASMUSSON, D. C. ; SMITH, L. H. ; MYERS, W. M.

[s.l.] : Nature Publishing Group

Nature 198 (1963), S. 1008-1008

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ISSN: 1476-4687

Source: Nature Archives 1869 - 2009

Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics

Notes: [Auszug] In 1960 Myers5 suggested that entry of radioisotopes into the food-chain could be reduced by using plants that would take lower than normal amounts of the material from the soil or that would deposit the material in plant parts that would not be utilized for food. The success of this approach ...

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1038/1981008a0

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Quantitative trait loci associated with resistance to Fusarium head blight and kernel discoloration in barley (1999)

de la Pena, R. C. ; Smith, K. P. ; Capettini, F. ; [et al.]

Springer

Theoretical and applied genetics 99 (1999), S. 561-569

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ISSN: 1432-2242

Keywords: Key words Fusarium head blight ; Scab ; Kernel discoloration ; Black point ; Kernel blight ; Deoxynivalenol (DON) ; RFLP ; Barley

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract Resistance to Fusarium head blight (FHB), deoxynivalenol (DON) accumulation, and kernel discoloration (KD) in barley are difficult traits to introgress into elite varieties because current screening methods are laborious and disease levels are strongly influenced by environment. To improve breeding strategies directed toward enhancing these traits, we identified genomic regions containing quantitative trait loci (QTLs) associated with resistance to FHB, DON accumulation, and KD in a breeding population of F4:7 lines using restriction fragment length polymorphic (RFLP) markers. We evaluated 101 F4:7 lines, derived from a cross between the cultivar Chevron and an elite breeding line, M69, for each of the traits in three or four environments. We used 94 previously mapped RFLP markers to create a linkage map. Using composite interval mapping, we identified 10, 11, and 4 QTLs associated with resistance to FHB, DON accumulation, and KD, respectively. Markers flanking these QTLs should be useful for introgressing resistance to FHB, DON accumulation, and KD into elite barley cultivars.