Full TGIF Record # 16824
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Web URL(s):http://www.grassland.org.nz/publications/nzgrassland_publication_1057.pdf
    Last checked: 02/03/2017
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Author(s):Skipp, R. A.; White, D. W. R.
Author Affiliation:Plant Diseases Division and Grasslands Division, DSIR, Palmerston North.
Title:Somaclonal Variation in Resistance of Perennial Ryegrass to Crown Rust
Source:Proceedings of the New Zealand Grassland Association. Vol. 49, November 1987, p. 93-96.
Publishing Information:Wellington: New Zealand Grassland Association
Keywords:TIC Keywords: Variations; Resistance; Puccinia coronata; Lolium perenne; Tissue culture; Breeding; Disease resistance
Abstract/Contents:"Resistance of perennial ryegrass plants regenerated from tissue culture (somaclones) to crown rust (Puccinia coronata) was assessed in growth cabinet/glasshouse experiments. Somaclones regenerated from callus cultures initiated from the vegetative tissue of three different somaclonal parent plants were tested for resistnace to crown rust collected from Palmerston North and Lincoln. Most plants tested were highly resistant and their leaves developed small pale yellow flecks but showed little or no sporulation. However, a few large pustules did develop on leaves of some of the somaclones. Screening experiments with rust cultures initiated from each of three single pustules showed that somaclones varied in their reaction to crown rust. Within each group of somaclones derived from a particular parent some were more susceptible, and some more resistant, than the parental genotype. Two of the somaclones obtained from one of the parent plants had very fine leaves similar to those of turf perennial ryegrass plants. Somacloning may provide an efficient technique for plant breeders to improve the crown rust resistance of both pasture and turf perennial ryegrasses."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Skipp, R. A., and D. W. R. White. 1987. Somaclonal Variation in Resistance of Perennial Ryegrass to Crown Rust. Proc. N.Z. Grassland Assoc. 49:p. 93-96.
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    Last checked: 02/03/2017
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