The Yd2 resistance to barley yellow dwarf virus is effective in barley plants but not in their leaf protoplasts
Larkin, P. J., Young, M. J., Gerlach, W. L., & Waterhouse, P. M. (1991) The Yd2 resistance to barley yellow dwarf virus is effective in barley plants but not in their leaf protoplasts. Annals of Applied Biology, 118(1), pp. 115-125.
The Yd2 gene for “resistance” to barley yellow dwarf virus (BYDV) has been widely used in barley (Hordeum vulgare). We have tested Australian isolates of BYDV of varying severity against barley genotypes with and without the Yd2 gene and report here a positive relationship between symptoms and virus levels determined by ELISA. Cultivar Shannon is the result of backcrossing the resistant line CI 3208 to cultivar Proctor, a susceptible line. It appears to be intermediate in reaction to BYDV between Proctor and CI 3208, although it carries the major gene, Yd2. Unlike the whole plant studies, no significant differences were observed with regard to the ability of protoplasts derived from these various genotypes to support BYDV replication. It is therefore demonstrated for the first time that the Yd2 gene is not among the small number of resistance genes which are effective against virus replication in isolated protoplasts.
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|Item Type:||Journal Article|
|Subjects:||Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > PLANT BIOLOGY (060700)|
|Divisions:||Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||John Wiley & Sons, Inc|
|Deposited On:||09 Jan 2014 07:26|
|Last Modified:||12 Feb 2015 01:31|
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