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Aneuploids in Oat Varietal Populations (1963)

HACKER, J. B. ; RILEY, RALPH

[s.l.] : Nature Publishing Group

Nature 197 (1963), S. 924-925

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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] As Avena sativa is a hexaploid, there is considerable duplication of genetic material and, in consequence, relatively high levels of aneuploidy are tolerated. Mono-somics and nullisomics have been reported to be viable and, to some extent, fertile1. Thus once an aneuploid has arisen in a ...

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1038/197924a0

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Genetic control of some esterase isozymes of Digitaria species, and their utility in the identification of hybrids (1980)

Hayward, M. D. ; Hacker, J. B.

Springer

Euphytica 29 (1980), S. 347-356

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ISSN: 1573-5060

Keywords: Digitaria ; esterase ; tropical grasses ; grass breeding

Source: Springer Online Journal Archives 1860-2000

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Summary The use of esterase isozymes for the detection of inter- and intra-specific hybrids between five diploid accessions of the grass genus Digitaria (section Erianthae) was investigated. Variation was observed between accessions and between plants within accessions. Segregation patterns in selfed progeny and in crosses between parents differing by a morphological marker were used to elucidate the genetic control of esterase banding. This information was subsequently used to ascertain hybridity in combinations where no suitable morphological marker existed.